cmd/go: work use silently ignores nonexistent target

[ansidev]

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

go version go1.18 darwin/amd64

Does this issue reproduce with the latest release?

• Yes

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

go env Output

$ go env
GO111MODULE=""

GOARCH="amd64"

GOBIN=""

GOCACHE="{secret}"

GOENV="{secret}"

GOEXE=""

GOEXPERIMENT=""

GOFLAGS=""

GOHOSTARCH="amd64"

GOHOSTOS="darwin"

GOINSECURE=""

GOMODCACHE="{secret}"

GONOPROXY="{secret}"

GONOSUMDB="{secret}"

GOOS="darwin"

GOPATH="/Users/mac/go"

GOPRIVATE="{secret}"

GOPROXY="https://proxy.golang.org,direct"

GOROOT="/usr/local/Cellar/go/1.18/libexec"

GOSUMDB="sum.golang.org"

GOTMPDIR=""

GOTOOLDIR="/usr/local/Cellar/go/1.18/libexec/pkg/tool/darwin_amd64"

GOVCS=""

GOVERSION="go1.18"

GCCGO="gccgo"

GOAMD64="v1"

AR="ar"

CC="clang"

CXX="clang++"

CGO_ENABLED="1"

GOMOD="/dev/null"

GOWORK="{secret}"

CGO_CFLAGS="-g -O2"

CGO_CPPFLAGS=""

CGO_CXXFLAGS="-g -O2"

CGO_FFLAGS="-g -O2"

CGO_LDFLAGS="-g -O2"

PKG_CONFIG="pkg-config"

GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/rg/2ghbpv594593xwc66z446w5w0000gn/T/go-build2275001121=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

Run the following commands:

(Format: $ {current_dir} > {command})
$ go > mkdir workspace
$ go > cd workspace
$ workspace > go work init
$ workspace > ls -la
total 8
-rw-r--r-- 1 user staff 8B Mar 26 17:51 go.work
$ workspace > go work use ./lib

What did you expect to see?

Error, because the folder ./lib does not exist.

What did you see instead?

Empty output.

[seankhliao]

cc @matloob