go version go version go1.12.2 gccgo (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0 linux/amd64 GO111MODULE=on go run *.go build command-line-arguments: cannot load crypto/ed25519: cannot find module providing package crypto/ed25519
go version
go version go1.12.2 gccgo (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0 linux/amd64
GO111MODULE=on go run *.go
build command-line-arguments: cannot load crypto/ed25519: cannot find module providing package crypto/ed25519