Golang go version is slow and creates junk files

Go version

go version go1.23.0 darwin/arm64

Output of go env in your module/workspace:

GO111MODULE=''
GOARCH='arm64'
GOBIN=''
GOCACHE='/Users/mike/Library/Caches/go-build'
GOENV='/Users/mike/Library/Application Support/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='arm64'
GOHOSTOS='darwin'
GOINSECURE=''
GOMODCACHE='/Users/mike/go/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='darwin'
GOPATH='/Users/mike/go'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/opt/homebrew/Cellar/go/1.23.0/libexec'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='local'
GOTOOLDIR='/opt/homebrew/Cellar/go/1.23.0/libexec/pkg/tool/darwin_arm64'
GOVCS=''
GOVERSION='go1.23.0'
GODEBUG=''
GOTELEMETRY='local'
GOTELEMETRYDIR='/Users/mike/Library/Application Support/go/telemetry'
GCCGO='gccgo'
GOARM64='v8.0'
AR='ar'
CC='cc'
CXX='c++'
CGO_ENABLED='1'
GOMOD='/dev/null'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'

What did you do?

go version

What did you see happen?

A go folder was created with junk files

$ find go
go
go/pkg
go/pkg/sumdb
go/pkg/sumdb/sum.golang.org
go/pkg/sumdb/sum.golang.org/latest
go/pkg/mod
go/pkg/mod/cache
go/pkg/mod/cache/download
go/pkg/mod/cache/download/sumdb
go/pkg/mod/cache/download/sumdb/sum.golang.org
go/pkg/mod/cache/download/sumdb/sum.golang.org/lookup
go/pkg/mod/cache/download/sumdb/sum.golang.org/lookup/golang.org
go/pkg/mod/cache/download/sumdb/sum.golang.org/lookup/golang.org/x
go/pkg/mod/cache/download/sumdb/sum.golang.org/lookup/golang.org/x/telemetry
go/pkg/mod/cache/download/sumdb/sum.golang.org/lookup/golang.org/x/telemetry/config@v0.29.0
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/0
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/0/x113
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/0/x113/563
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/0/x114
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/0/x114/749.p
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/0/x114/749.p/11
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/1
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/1/448.p
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/1/448.p/61
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/1/443
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/3
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/3/000.p
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/3/000.p/1
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/2
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/2/001.p
go/pkg/mod/cache/download/sumdb/sum.golang.org/tile/8/2/001.p/192
go/pkg/mod/cache/download/golang.org
go/pkg/mod/cache/download/golang.org/x
go/pkg/mod/cache/download/golang.org/x/telemetry
go/pkg/mod/cache/download/golang.org/x/telemetry/config
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v/v0.29.0.ziphash
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v/v0.29.0.info
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v/list
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v/v0.29.0.mod
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v/v0.29.0.zip
go/pkg/mod/cache/download/golang.org/x/telemetry/config/@v/v0.29.0.lock
go/pkg/mod/golang.org
go/pkg/mod/golang.org/x
go/pkg/mod/golang.org/x/telemetry
go/pkg/mod/golang.org/x/telemetry/config@v0.29.0
go/pkg/mod/golang.org/x/telemetry/config@v0.29.0/go.mod
go/pkg/mod/golang.org/x/telemetry/config@v0.29.0/LICENSE
go/pkg/mod/golang.org/x/telemetry/config@v0.29.0/config.json
go/pkg/mod/golang.org/x/telemetry/config@v0.29.0/doc.go

What did you expect to see?

No filesystem writes

Comment From: gabyhelp

Related Issues and Documentation

• cmd/go: `go mod download -json` should output valid json #33648 (closed)
• cmd/go: unexpected files left in tmpdir: [dsymutil-f087bc] #59026 (closed)
• x/tools/cmd/godoc: godoc HTTP server taking > 8 GB of memory #17344 (closed)
• cmd/go: doesn't preserve file permissions when modifying the go.mod and go.sum files #34634 (closed)
• cmd/go: `go get` creates go.mod and go.sum files inconsistently, depending on directory #30248 (closed)
• release: go1.10beta1 ships as: 2x the size of 1.9.1 due to pkg/obj/go-build files. go clean -cache does not shrink #23299 (closed)
• affected/package: go install not working #52294 (closed)
• go work: init adds directories in a format edit can't understand #51619 (closed)
• cmd/go: clean -cache -n should not delete cache #39250 (closed)
• cmd/go: go mod creates files with incorrect read-only permissions #35615 (closed)

_{(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)}

Comment From: moenodedev

go version takes a few seconds on CI and makes network requests

Comment From: seankhliao

Duplicate of #68946