Got ring build error when trying to do `cargo install espup` #2758

jacklund · 2026-02-16T05:55:15Z

jacklund
Feb 16, 2026

I ran into this when I tried to install espup on my machine. cargo install espup gave a bunch of errors which disappeared when I checked out the repo and built from the version tag for the version I was trying to install (which is odd). I ran into the same issues trying to install esp-generate, but those didn't disappear when installing from the repo. I found that it seems to be coming from the installation of ring, so I tried building ring from the repo, and ran into the same errors.

My system info:
I'm running Ubuntu 24.04:

% lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 24.04.4 LTS
Release:        24.04
Codename:       noble
% uname -a
Linux jacks-laptop 6.17.0-14-generic #14~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jan 15 15:52:10 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

Here's my rust setup:

% rustup show -v
Default host: x86_64-unknown-linux-gnu
rustup home:  /home/jack/.rustup

installed toolchains
--------------------
stable-x86_64-unknown-linux-gnu (active, default)
  rustc 1.93.1 (01f6ddf75 2026-02-11)
  path: /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu

nightly-x86_64-unknown-linux-gnu
  rustc 1.95.0-nightly (a33907a7a 2026-02-14)
  path: /home/jack/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu

nightly-2025-07-20-x86_64-unknown-linux-gnu
  rustc 1.90.0-nightly (0d9592026 2025-07-19)
  path: /home/jack/.rustup/toolchains/nightly-2025-07-20-x86_64-unknown-linux-gnu

nightly-2025-09-24-x86_64-unknown-linux-gnu
  rustc 1.92.0-nightly (975e6c8fe 2025-09-23)
  path: /home/jack/.rustup/toolchains/nightly-2025-09-24-x86_64-unknown-linux-gnu

1.84-x86_64-unknown-linux-gnu
  rustc 1.84.1 (e71f9a9a9 2025-01-27)
  path: /home/jack/.rustup/toolchains/1.84-x86_64-unknown-linux-gnu

esp
  rustc 1.92.0-nightly (1e93cde56 2025-12-10) (1.92.0.0)
  path: /home/jack/.rustup/toolchains/esp

active toolchain
----------------
name: stable-x86_64-unknown-linux-gnu
active because: it's the default toolchain
compiler: rustc 1.93.1 (01f6ddf75 2026-02-11)
path: /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu
installed targets:
  riscv32imac-unknown-none-elf
  riscv32imafc-unknown-none-elf
  riscv32imc-unknown-none-elf
  wasm32-unknown-unknown
  x86_64-unknown-linux-gnu

and here's the error I'm getting:

% cargo build -vvvv
   Compiling libc v0.2.174
   Compiling shlex v1.3.0
   Compiling cfg-if v1.0.1
   Compiling untrusted v0.9.0
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=build_script_build CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174/Cargo.toml CARGO_PKG_AUTHORS='The Rust Project Developers' CA
RGO_PKG_DESCRIPTION='Raw FFI bindings to platform libraries like libc.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=libc CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/rust-lang/libc' CARGO_PKG_RUST_VERSION=1.63 CARGO_PKG_VERSION=0.2.174 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=2 CARGO_PKG_VERS
ION_PATCH=174 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name build_script_build --edition=2021 /home/jack/.cargo/registry/src/index.crates.io-1949cf
8c6b5b557f/libc-0.2.174/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type bin --emit=dep-info,link -C embed-bitcode=no '--allow=clippy::used_underscore_binding' --allow=unused_qualifications '--warn=clippy::unnecessary_semicolon' '--allow=clippy::unnecessary_cast' '--allow=clippy::uninlined_format_args' '--w
arn=clippy::ptr_as_ptr' '--allow=clippy::non_minimal_cfg' '--allow=clippy::missing_safety_doc' '--warn=clippy::map_unwrap_or' '--warn=clippy::manual_assert' '--allow=clippy::identity_op' '--warn=clippy::explicit_iter_loop' '--allow=clippy::expl_impl_clone_on_copy' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("align", "const-extern-fn", "default", "extra_traits"
, "rustc-dep-of-std", "rustc-std-workspace-core", "std", "use_std"))' -C metadata=4a1a9b0033b4867d -C extra-filename=-20b5e5d28240a5b0 --out-dir /home/jack/git/ring/target/debug/build/libc-20b5e5d28240a5b0 -L dependency=/home/jack/git/ring/target/debug/deps --cap-lints warn`
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=cfg_if CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/cfg-if-1.0.1 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/cfg-if-1.0.1/Cargo.toml CARGO_PKG_AUTHORS='Alex Crichton <alex@alexcrichton.com>' CARG
O_PKG_DESCRIPTION='A macro to ergonomically define an item depending on a large number of #[cfg]
parameters. Structured like an if-else chain, the first matching branch is the
item that gets emitted.
' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=cfg-if CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/rust-lang/cfg-if' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=1.0.1 CARGO_PKG_VERSION_MAJOR=1 CARGO_PKG_VERSION_MINOR=0 CARGO_PKG_VERSION_PATCH=1 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/home/jack/git/r
ing/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name cfg_if --edition=2018 /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/cfg-if-1.0.1/src/lib.rs --error-format=json --json=diagnostic-rendered-an
si,artifacts,future-incompat --diagnostic-width=382 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("core", "rustc-dep-of-std"))' -C metadata=0900987d2c739528 -C extra-filename=-4b89bfd5aceffb84 --out-dir /home/jack/git/ring/target/debug/deps -L dependency=/home/jack/git/ring/target/
debug/deps --cap-lints warn`
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=shlex CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/Cargo.toml CARGO_PKG_AUTHORS='comex <comexk@gmail.com>:Fenhl <fenhl@fenhl.ne
t>:Adrian Taylor <adetaylor@chromium.org>:Alex Touchet <alextouchet@outlook.com>:Daniel Parks <dp+git@oxidized.org>:Garrett Berg <googberg@gmail.com>' CARGO_PKG_DESCRIPTION='Split a string into shell words, like Python'\''s shlex.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=shlex CARGO_PKG_README=README.md CARGO_PKG_REPOSI
TORY='https://github.com/comex/rust-shlex' CARGO_PKG_RUST_VERSION=1.46.0 CARGO_PKG_VERSION=1.3.0 CARGO_PKG_VERSION_MAJOR=1 CARGO_PKG_VERSION_MINOR=3 CARGO_PKG_VERSION_PATCH=0 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/
.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name shlex --edition=2015 /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg
'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "std"))' -C metadata=6824fcf1f6d43c38 -C extra-filename=-10a425921a9be8d0 --out-dir /home/jack/git/ring/target/debug/deps -L dependency=/home/jack/git/ring/target/debug/deps --cap-lints warn`
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=untrusted CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/untrusted-0.9.0 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/untrusted-0.9.0/Cargo.toml CARGO_PKG_AUTHORS='Brian Smith <brian@briansmith.org>
' CARGO_PKG_DESCRIPTION='Safe, fast, zero-panic, zero-crashing, zero-allocation parsing of untrusted inputs in Rust.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE=ISC CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=untrusted CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/briansmith/untrusted' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=0.9.0 CARGO_PKG_VERSION_MAJOR=0 CAR
GO_PKG_VERSION_MINOR=9 CARGO_PKG_VERSION_PATCH=0 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name untrusted --edition=2018 /home/jack/.cargo/registry/
src/index.crates.io-1949cf8c6b5b557f/untrusted-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=a01bb32f566cc6d6 -C extra-filename=-8024211d18b60309 --
out-dir /home/jack/git/ring/target/debug/deps -L dependency=/home/jack/git/ring/target/debug/deps --cap-lints warn`
warning: unexpected `cfg` condition name: `manual_codegen_check`
   --> /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/src/bytes.rs:353:12
    |
353 | #[cfg_attr(manual_codegen_check, inline(never))]
    |            ^^^^^^^^^^^^^^^^^^^^
    |
    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
    = help: consider using a Cargo feature instead
    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
             [lints.rust]
             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(manual_codegen_check)'] }
    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(manual_codegen_check)");` to the top of the `build.rs`
    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
    = note: `#[warn(unexpected_cfgs)]` on by default

warning: hiding a lifetime that's elided elsewhere is confusing
   --> /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/src/lib.rs:228:22
    |
228 | pub fn quote(in_str: &str) -> Cow<str> {
    |                      ^^^^     ^^^^^^^^ the same lifetime is hidden here
    |                      |
    |                      the lifetime is elided here
    |
    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
help: use `'_` for type paths
    |
228 | pub fn quote(in_str: &str) -> Cow<'_, str> {
    |                                   +++

warning: hiding a lifetime that's elided elsewhere is confusing
   --> /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/src/lib.rs:241:26
    |
241 | pub fn try_quote(in_str: &str) -> Result<Cow<str>, QuoteError> {
    |                          ^^^^            ^^^^^^^^ the same lifetime is hidden here
    |                          |
    |                          the lifetime is elided here
    |
    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
help: use `'_` for type paths
    |
241 | pub fn try_quote(in_str: &str) -> Result<Cow<'_, str>, QuoteError> {
    |                                              +++

warning: hiding a lifetime that's elided elsewhere is confusing
   --> /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/src/bytes.rs:484:24
    |
484 | pub fn quote(in_bytes: &[u8]) -> Cow<[u8]> {
    |                        ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
    |                        |
    |                        the lifetime is elided here
    |
    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
help: use `'_` for type paths
    |
484 | pub fn quote(in_bytes: &[u8]) -> Cow<'_, [u8]> {
    |                                      +++

warning: hiding a lifetime that's elided elsewhere is confusing
   --> /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/shlex-1.3.0/src/bytes.rs:497:28
    |
497 | pub fn try_quote(in_bytes: &[u8]) -> Result<Cow<[u8]>, QuoteError> {
    |                            ^^^^^            ^^^^^^^^^ the same lifetime is hidden here
    |                            |
    |                            the lifetime is elided here
    |
    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
help: use `'_` for type paths
    |
497 | pub fn try_quote(in_bytes: &[u8]) -> Result<Cow<'_, [u8]>, QuoteError> {
    |                                                 +++

   Compiling cc v1.2.27
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=cc CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.27 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.27/Cargo.toml CARGO_PKG_AUTHORS='Alex Crichton <alex@alexcrichton.com>' CARGO_PKG_DESC
RIPTION='A build-time dependency for Cargo build scripts to assist in invoking the native
C compiler to compile native C code into a static archive to be linked into Rust
code.
' CARGO_PKG_HOMEPAGE='https://github.com/rust-lang/cc-rs' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=cc CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/rust-lang/cc-rs' CARGO_PKG_RUST_VERSION=1.63 CARGO_PKG_VERSION=1.2.27 CARGO_PKG_VERSION_MAJOR=1 CARGO_PKG_VERSION_MINOR=2 CARGO_PKG_VERSION_PATCH=27 CARGO_PKG_VERSION_PRE=''
LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name cc --edition=2018 /home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.27/src/lib.rs --error-format=json --j
son=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=c573fc8ca90ab90a -C extra-filename=-6819318581e7a5bc --out-dir /home/jack/git/ring/target/debug/deps -L dependency=/home/jack/git/ring
/target/debug/deps --extern shlex=/home/jack/git/ring/target/debug/deps/libshlex-10a425921a9be8d0.rmeta --cap-lints warn`
warning: `shlex` (lib) generated 5 warnings
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CFG_DEBUG_ASSERTIONS='' CARGO_CFG_FEATURE='' CARGO_CFG_PANIC=unwind CARGO_CFG_TARGET_ABI='' CARGO_CFG_TARGET_ARCH=x86_64 CARGO_CFG_TARGET_ENDIAN=little CARGO_CFG_TARGET_ENV=gnu CARGO_CFG_TARGET_FAMILY=unix CARGO_CFG_TARGET_FEATURE=fxsr,sse,sse2 CARGO_CFG_TARGET_HAS_ATOMIC=16,32,64,8,
ptr CARGO_CFG_TARGET_OS=linux CARGO_CFG_TARGET_POINTER_WIDTH=64 CARGO_CFG_TARGET_VENDOR=unknown CARGO_CFG_UNIX='' CARGO_ENCODED_RUSTFLAGS='' CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174/Cargo.toml CARGO_PKG_AUTHORS='The Rust Project D
evelopers' CARGO_PKG_DESCRIPTION='Raw FFI bindings to platform libraries like libc.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=libc CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/rust-lang/libc' CARGO_PKG_RUST_VERSION=1.63 CARGO_PKG_VERSION=0.2.174 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=2 C
ARGO_PKG_VERSION_PATCH=174 CARGO_PKG_VERSION_PRE='' DEBUG=true HOST=x86_64-unknown-linux-gnu LD_LIBRARY_PATH='/home/jack/git/ring/target/debug:/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_
64-linux-gnu/dri' NUM_JOBS=16 OPT_LEVEL=0 OUT_DIR=/home/jack/git/ring/target/debug/build/libc-4b28a79ed344fe71/out PROFILE=debug RUSTC=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc RUSTDOC=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustdoc TARGET=x86_64-unknown-linux-gnu /home/jack/git/ring/target/debug/build/libc-20b5e5d28240a5b0/
build-script-build`
[libc 0.2.174] cargo:rerun-if-changed=build.rs
[libc 0.2.174] cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_FREEBSD_VERSION
[libc 0.2.174] cargo:rustc-cfg=freebsd11
[libc 0.2.174] cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_MUSL_V1_2_3
[libc 0.2.174] cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64
[libc 0.2.174] cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_GNU_FILE_OFFSET_BITS
[libc 0.2.174] cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_GNU_TIME_BITS
[libc 0.2.174] cargo:rustc-cfg=libc_const_extern_fn
[libc 0.2.174] cargo:rustc-check-cfg=cfg(emscripten_old_stat_abi)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(espidf_time32)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(freebsd10)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(freebsd11)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(freebsd12)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(freebsd13)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(freebsd14)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(freebsd15)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(gnu_file_offset_bits64)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(gnu_time_bits64)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(libc_const_extern_fn)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(libc_deny_warnings)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(libc_thread_local)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(libc_ctest)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(linux_time_bits64)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(musl_v1_2_3)
[libc 0.2.174] cargo:rustc-check-cfg=cfg(target_os,values("switch","aix","ohos","hurd","rtems","visionos","nuttx","cygwin"))
[libc 0.2.174] cargo:rustc-check-cfg=cfg(target_env,values("illumos","wasi","aix","ohos","nto71_iosock","nto80"))
[libc 0.2.174] cargo:rustc-check-cfg=cfg(target_arch,values("loongarch64","mips32r6","mips64r6","csky"))
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=libc CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174/Cargo.toml CARGO_PKG_AUTHORS='The Rust Project Developers' CARGO_PKG_DESCRI
PTION='Raw FFI bindings to platform libraries like libc.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=libc CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/rust-lang/libc' CARGO_PKG_RUST_VERSION=1.63 CARGO_PKG_VERSION=0.2.174 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=2 CARGO_PKG_VERSION_PATCH=174
CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' OUT_DIR=/home/jack/git/ring/target/debug/build/libc-4b28a79ed344fe71/out /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name libc --edition=2021 /home/ja
ck/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.174/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 '--allow=clippy::used_underscore_binding' --allow=unused_qualifications '--warn=clippy::unnecessary_semicolon' '--allow
=clippy::unnecessary_cast' '--allow=clippy::uninlined_format_args' '--warn=clippy::ptr_as_ptr' '--allow=clippy::non_minimal_cfg' '--allow=clippy::missing_safety_doc' '--warn=clippy::map_unwrap_or' '--warn=clippy::manual_assert' '--allow=clippy::identity_op' '--warn=clippy::explicit_iter_loop' '--allow=clippy::expl_impl_clone_on_copy' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cf
g(feature, values("align", "const-extern-fn", "default", "extra_traits", "rustc-dep-of-std", "rustc-std-workspace-core", "std", "use_std"))' -C metadata=da66adb99600610b -C extra-filename=-82dd9cf63b686c54 --out-dir /home/jack/git/ring/target/debug/deps -L dependency=/home/jack/git/ring/target/debug/deps --cap-lints warn --cfg freebsd11 --cfg libc_const_extern_fn --check-cfg 'cfg
(emscripten_old_stat_abi)' --check-cfg 'cfg(espidf_time32)' --check-cfg 'cfg(freebsd10)' --check-cfg 'cfg(freebsd11)' --check-cfg 'cfg(freebsd12)' --check-cfg 'cfg(freebsd13)' --check-cfg 'cfg(freebsd14)' --check-cfg 'cfg(freebsd15)' --check-cfg 'cfg(gnu_file_offset_bits64)' --check-cfg 'cfg(gnu_time_bits64)' --check-cfg 'cfg(libc_const_extern_fn)' --check-cfg 'cfg(libc_deny_warn
ings)' --check-cfg 'cfg(libc_thread_local)' --check-cfg 'cfg(libc_ctest)' --check-cfg 'cfg(linux_time_bits64)' --check-cfg 'cfg(musl_v1_2_3)' --check-cfg 'cfg(target_os,values("switch","aix","ohos","hurd","rtems","visionos","nuttx","cygwin"))' --check-cfg 'cfg(target_env,values("illumos","wasi","aix","ohos","nto71_iosock","nto80"))' --check-cfg 'cfg(target_arch,values("loongarch6
4","mips32r6","mips64r6","csky"))'`
   Compiling getrandom v0.2.16
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=getrandom CARGO_MANIFEST_DIR=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.16 CARGO_MANIFEST_PATH=/home/jack/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.16/Cargo.toml CARGO_PKG_AUTHORS='The Rand Project Developers' CAR
GO_PKG_DESCRIPTION='A small cross-platform library for retrieving random data from system source' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=getrandom CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/rust-random/getrandom' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=0.2.16 CARGO_PKG_VERSION_MAJOR=0 CARGO
_PKG_VERSION_MINOR=2 CARGO_PKG_VERSION_PATCH=16 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name getrandom --edition=2018 /home/jack/.cargo/registry/s
rc/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("compiler_builtins", "core", "custom", "js", "js-sys", "linux_disable_f
allback", "rdrand", "rustc-dep-of-std", "std", "test-in-browser", "wasm-bindgen"))' -C metadata=d069006cc72463a4 -C extra-filename=-6a43056f508d3d05 --out-dir /home/jack/git/ring/target/debug/deps -L dependency=/home/jack/git/ring/target/debug/deps --extern cfg_if=/home/jack/git/ring/target/debug/deps/libcfg_if-4b89bfd5aceffb84.rmeta --extern libc=/home/jack/git/ring/target/debug
/deps/liblibc-82dd9cf63b686c54.rmeta --cap-lints warn`
   Compiling ring v0.17.14 (/home/jack/git/ring)
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CRATE_NAME=build_script_build CARGO_MANIFEST_DIR=/home/jack/git/ring CARGO_MANIFEST_PATH=/home/jack/git/ring/Cargo.toml CARGO_PKG_AUTHORS='' CARGO_PKG_DESCRIPTION='An experiment.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='Apache-2.0 AND ISC' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=ri
ng CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/briansmith/ring' CARGO_PKG_RUST_VERSION=1.83.0 CARGO_PKG_VERSION=0.17.14 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=17 CARGO_PKG_VERSION_PATCH=14 CARGO_PKG_VERSION_PRE='' CARGO_PRIMARY_PACKAGE=1 CARGO_SBOM_PATH='' LD_LIBRARY_PATH='/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stabl
e-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri' /home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc --crate-name build_script_build --edition=2021 build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=382 --crate-type bin --emit=dep-info,link -C embed-bitcode=no --cfg 'feature
="alloc"' --cfg 'feature="default"' --cfg 'feature="dev_urandom_fallback"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dev_urandom_fallback", "less-safe-getrandom-custom-or-rdrand", "less-safe-getrandom-espidf", "slow_tests", "std", "test_logging", "unstable-testing-arm-no-hw", "unstable-testing-arm-no-neon", "wasm32_unknown_unknown_js"))'
 -C metadata=8457f06dc887cbff -C extra-filename=-114bc84e625e216a --out-dir /home/jack/git/ring/target/debug/build/ring-114bc84e625e216a -C incremental=/home/jack/git/ring/target/debug/incremental -L dependency=/home/jack/git/ring/target/debug/deps --extern cc=/home/jack/git/ring/target/debug/deps/libcc-6819318581e7a5bc.rlib`
     Running `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CFG_DEBUG_ASSERTIONS='' CARGO_CFG_FEATURE=alloc,default,dev_urandom_fallback CARGO_CFG_PANIC=unwind CARGO_CFG_TARGET_ABI='' CARGO_CFG_TARGET_ARCH=x86_64 CARGO_CFG_TARGET_ENDIAN=little CARGO_CFG_TARGET_ENV=gnu CARGO_CFG_TARGET_FAMILY=unix CARGO_CFG_TARGET_FEATURE=fxsr,sse,sse2 CARGO_C
FG_TARGET_HAS_ATOMIC=16,32,64,8,ptr CARGO_CFG_TARGET_OS=linux CARGO_CFG_TARGET_POINTER_WIDTH=64 CARGO_CFG_TARGET_VENDOR=unknown CARGO_CFG_UNIX='' CARGO_ENCODED_RUSTFLAGS='' CARGO_FEATURE_ALLOC=1 CARGO_FEATURE_DEFAULT=1 CARGO_FEATURE_DEV_URANDOM_FALLBACK=1 CARGO_MANIFEST_DIR=/home/jack/git/ring CARGO_MANIFEST_LINKS=ring_core_0_17_14_ CARGO_MANIFEST_PATH=/home/jack/git/ring/Cargo.t
oml CARGO_PKG_AUTHORS='' CARGO_PKG_DESCRIPTION='An experiment.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='Apache-2.0 AND ISC' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=ring CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/briansmith/ring' CARGO_PKG_RUST_VERSION=1.83.0 CARGO_PKG_VERSION=0.17.14 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=17 CARGO_PKG_VERSION
_PATCH=14 CARGO_PKG_VERSION_PRE='' DEBUG=true HOST=x86_64-unknown-linux-gnu LD_LIBRARY_PATH='/home/jack/git/ring/target/debug:/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/lib/x86_64-linux-gnu/dri'
 NUM_JOBS=16 OPT_LEVEL=0 OUT_DIR=/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out PROFILE=debug RUSTC=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc RUSTDOC=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustdoc TARGET=x86_64-unknown-linux-gnu /home/jack/git/ring/target/debug/build/ring-114bc84e625e216a/build-script-buil
d`
[ring 0.17.14] cargo:rerun-if-env-changed=RING_PREGENERATE_ASM
[ring 0.17.14] cargo:rerun-if-env-changed=PERL_EXECUTABLE
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/chacha/asm/chacha-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/chacha-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/aes-gcm-avx2-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/aes-gcm-avx2-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/aesni-gcm-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/aesni-gcm-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/aesni-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/aesni-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/ghash-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/ghash-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/vpaes-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/vpaes-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/bn/asm/x86_64-mont.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/x86_64-mont-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/bn/asm/x86_64-mont5.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/x86_64-mont5-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/ec/asm/p256-x86_64-asm.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/p256-x86_64-asm-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/sha/asm/sha512-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/sha512-x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/cipher/asm/chacha20_poly1305_x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/chacha20_poly1305_x86_64-elf.S"
[ring 0.17.14] running "perl" "//home/jack/git/ring/crypto/fipsmodule/sha/asm/sha512-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/sha256-x86_64-elf.S"
[ring 0.17.14] OPT_LEVEL = Some(0)
[ring 0.17.14] OUT_DIR = Some(/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out)
[ring 0.17.14] TARGET = Some(x86_64-unknown-linux-gnu)
[ring 0.17.14] HOST = Some(x86_64-unknown-linux-gnu)
[ring 0.17.14] cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu
[ring 0.17.14] CC_x86_64-unknown-linux-gnu = None
[ring 0.17.14] cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
[ring 0.17.14] CC_x86_64_unknown_linux_gnu = None
[ring 0.17.14] cargo:rerun-if-env-changed=HOST_CC
[ring 0.17.14] HOST_CC = None
[ring 0.17.14] cargo:rerun-if-env-changed=CC
[ring 0.17.14] CC = None
[ring 0.17.14] cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[ring 0.17.14] RUSTC_WRAPPER = None
[ring 0.17.14] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[ring 0.17.14] CRATE_CC_NO_DEFAULTS = None
[ring 0.17.14] DEBUG = Some(true)
[ring 0.17.14] CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2)
[ring 0.17.14] cargo:rerun-if-env-changed=CFLAGS
[ring 0.17.14] CFLAGS = None
[ring 0.17.14] cargo:rerun-if-env-changed=HOST_CFLAGS
[ring 0.17.14] HOST_CFLAGS = None
[ring 0.17.14] cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[ring 0.17.14] CFLAGS_x86_64_unknown_linux_gnu = None
[ring 0.17.14] cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[ring 0.17.14] CFLAGS_x86_64-unknown-linux-gnu = None
[ring 0.17.14] CARGO_ENCODED_RUSTFLAGS = Some()
[ring 0.17.14] cargo:warning=as: unrecognized option '--64'
[ring 0.17.14]
[ring 0.17.14]
[ring 0.17.14] error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-I" "/home/jack/git/ring/include" "-I" "/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out" "-Werror" "-Wall" "-Wextra" "-fvisibility=hidden" "-s
td=c1x" "-Wall" "-Wbad-function-cast" "-Wcast-align" "-Wcast-qual" "-Wconversion" "-Wmissing-field-initializers" "-Wmissing-include-dirs" "-Wnested-externs" "-Wredundant-decls" "-Wshadow" "-Wsign-compare" "-Wsign-conversion" "-Wstrict-prototypes" "-Wundef" "-Wuninitialized" "-g3" "-o" "/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/25ac62e5b3c53843-curve25519.o"
 "-c" "/home/jack/git/ring/crypto/curve25519/curve25519.c"
[ring 0.17.14]
[ring 0.17.14]
warning: ring@0.17.14: as: unrecognized option '--64'
error: failed to run custom build command for `ring v0.17.14 (/home/jack/git/ring)`

Caused by:
  process didn't exit successfully: `CARGO=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/cargo CARGO_CFG_DEBUG_ASSERTIONS='' CARGO_CFG_FEATURE=alloc,default,dev_urandom_fallback CARGO_CFG_PANIC=unwind CARGO_CFG_TARGET_ABI='' CARGO_CFG_TARGET_ARCH=x86_64 CARGO_CFG_TARGET_ENDIAN=little CARGO_CFG_TARGET_ENV=gnu CARGO_CFG_TARGET_FAMILY=unix CARGO_CFG_TARGET_FEATUR
E=fxsr,sse,sse2 CARGO_CFG_TARGET_HAS_ATOMIC=16,32,64,8,ptr CARGO_CFG_TARGET_OS=linux CARGO_CFG_TARGET_POINTER_WIDTH=64 CARGO_CFG_TARGET_VENDOR=unknown CARGO_CFG_UNIX='' CARGO_ENCODED_RUSTFLAGS='' CARGO_FEATURE_ALLOC=1 CARGO_FEATURE_DEFAULT=1 CARGO_FEATURE_DEV_URANDOM_FALLBACK=1 CARGO_MANIFEST_DIR=/home/jack/git/ring CARGO_MANIFEST_LINKS=ring_core_0_17_14_ CARGO_MANIFEST_PATH=/hom
e/jack/git/ring/Cargo.toml CARGO_PKG_AUTHORS='' CARGO_PKG_DESCRIPTION='An experiment.' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='Apache-2.0 AND ISC' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=ring CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/briansmith/ring' CARGO_PKG_RUST_VERSION=1.83.0 CARGO_PKG_VERSION=0.17.14 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MIN
OR=17 CARGO_PKG_VERSION_PATCH=14 CARGO_PKG_VERSION_PRE='' DEBUG=true HOST=x86_64-unknown-linux-gnu LD_LIBRARY_PATH='/home/jack/git/ring/target/debug:/home/jack/git/ring/target/debug/deps:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib:/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib:/snap/alacritty/150/usr/li
b/x86_64-linux-gnu/dri' NUM_JOBS=16 OPT_LEVEL=0 OUT_DIR=/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out PROFILE=debug RUSTC=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustc RUSTDOC=/home/jack/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/bin/rustdoc TARGET=x86_64-unknown-linux-gnu /home/jack/git/ring/target/debug/build/ring-114bc84e625
e216a/build-script-build` (exit status: 1)
  --- stdout
  cargo:rerun-if-env-changed=RING_PREGENERATE_ASM
  cargo:rerun-if-env-changed=PERL_EXECUTABLE
  OPT_LEVEL = Some(0)
  OUT_DIR = Some(/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out)
  TARGET = Some(x86_64-unknown-linux-gnu)
  HOST = Some(x86_64-unknown-linux-gnu)
  cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu
  CC_x86_64-unknown-linux-gnu = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
  CC_x86_64_unknown_linux_gnu = None
  cargo:rerun-if-env-changed=HOST_CC
  HOST_CC = None
  cargo:rerun-if-env-changed=CC
  CC = None
  cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
  RUSTC_WRAPPER = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some(true)
  CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2)
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  cargo:rerun-if-env-changed=HOST_CFLAGS
  HOST_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
  CFLAGS_x86_64_unknown_linux_gnu = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
  CFLAGS_x86_64-unknown-linux-gnu = None
  CARGO_ENCODED_RUSTFLAGS = Some()
  cargo:warning=as: unrecognized option '--64'

  --- stderr
  running "perl" "//home/jack/git/ring/crypto/chacha/asm/chacha-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/chacha-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/aes-gcm-avx2-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/aes-gcm-avx2-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/aesni-gcm-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/aesni-gcm-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/aesni-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/aesni-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/ghash-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/ghash-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/aes/asm/vpaes-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/vpaes-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/bn/asm/x86_64-mont.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/x86_64-mont-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/bn/asm/x86_64-mont5.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/x86_64-mont5-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/ec/asm/p256-x86_64-asm.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/p256-x86_64-asm-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/sha/asm/sha512-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/sha512-x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/cipher/asm/chacha20_poly1305_x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/chacha20_poly1305_x86_64-elf.S"
  running "perl" "//home/jack/git/ring/crypto/fipsmodule/sha/asm/sha512-x86_64.pl" "elf" "//home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/sha256-x86_64-elf.S"


  error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-I" "/home/jack/git/ring/include" "-I" "/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out" "-Werror" "-Wall" "-Wextra" "-fvisibility=hidden" "-std=c1x" "-Wal
l" "-Wbad-function-cast" "-Wcast-align" "-Wcast-qual" "-Wconversion" "-Wmissing-field-initializers" "-Wmissing-include-dirs" "-Wnested-externs" "-Wredundant-decls" "-Wshadow" "-Wsign-compare" "-Wsign-conversion" "-Wstrict-prototypes" "-Wundef" "-Wuninitialized" "-g3" "-o" "/home/jack/git/ring/target/debug/build/ring-a0a928b58910a791/out/25ac62e5b3c53843-curve25519.o" "-c" "/home/
jack/git/ring/crypto/curve25519/curve25519.c"

It seems to be cargo:warning=as: unrecognized option '--64', even though that's a warning, not an error.

I'm happy to try to figure this out myself, but I'm not familiar enough with the build setup you're using, so any help in tracking down what's going on would be greatly appreciated.

Thanks!

-Jack

jacklund · 2026-02-17T03:29:44Z

jacklund
Feb 17, 2026
Author

Welp, never mind, I found the issue.

When I had been playing around with esp-idf, it had altered my path to include its version of as, which doesn't have the same command line args 🤦‍♂️. For anyone coming across this, if you do which as and get something like $HOME/.espressif/tools/esp32ulp-elf/2.38_20240113/esp32ulp-elf/esp32ulp-elf/bin/as, you'll know you've been bitten by it.

Closing this.

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Got ring build error when trying to do `cargo install espup` #2758

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Got ring build error when trying to do cargo install espup #2758

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jacklund Feb 17, 2026 Author

Got ring build error when trying to do `cargo install espup` #2758

jacklund
Feb 16, 2026

jacklund
Feb 17, 2026
Author