cmd/go: go clean giving error

[rajender]

What version of Go are you using (go version)?

Go1.11

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/root/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/local/go"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/root/backend/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build265255989=/tmp/go-build -gno-record-gcc-switches"

What did you do?

Ran go clean -modcachce

What did you expect to see?

Just modcache cleaned. no output.

What did you see instead?

I see different output in different invocations and an error.

[root@dev backend]# go clean
can't load package: package backend: unknown import path "backend": cannot find module providing package backend
[root@dev backend]# go clean -modcache
can't load package: package backend: unknown import path "backend": cannot find module providing package backend
[root@dev backend]# go clean -modcache
go: finding github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826
go: finding github.com/360EntSecGroup-Skylar/excelize v1.3.0
go: finding github.com/google/uuid v0.0.0-20180827204232-d460ce9f8df2
go: finding github.com/pborman/uuid v0.0.0-20180827223501-4c1ecd6722e8
go: finding github.com/sergi/go-diff v1.0.0
go: finding github.com/stripe/stripe-go v43.0.0+incompatible
go: finding github.com/jtolds/gls v4.2.1+incompatible
go: finding github.com/pmezard/go-difflib v1.0.0
go: finding github.com/smartystreets/assertions v0.0.0-20180820201707-7c9eb446e3cf
go: finding github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
go: finding github.com/aws/aws-lambda-go v1.6.0
go: finding github.com/davecgh/go-spew v1.1.1
go: finding github.com/aws/aws-sdk-go v1.15.22
go: finding github.com/gopherjs/gopherjs v0.0.0-20180825215210-0210a2f0f73c
go: finding github.com/stretchr/testify v1.2.2
go: finding github.com/smartystreets/goconvey v0.0.0-20180222194500-ef6db91d284a
go: finding googlemaps.github.io/maps v0.0.0-20180819235337-ce25c900cc16
go: finding golang.org/x/net v0.0.0-20180826012351-8a410e7b638d
go: finding golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2
go: finding golang.org/x/text v0.3.0
go: finding github.com/go-ini/ini v1.25.4
go: finding github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8
can't load package: package backend: unknown import path "backend": cannot find module providing package backend

[rajender]

@gopherbot add label modules

[oiooj]

@rajender Could you print your files in package backend:

ls ./backend/*

I send an incorrect CL and abandoned it.

[bcmills]

Closing as a duplicate of #28680.