| env TESTGO_VERSION=go1.21 | |
| env GOTOOLCHAIN=local | |
| ! go mod download rsc.io/future@v1.0.0 | |
| stderr '^go: rsc.io/future@v1.0.0 requires go >= 1.999 \(running go 1.21; GOTOOLCHAIN=local\)$' | |
| -- go.mod -- | |
| module m | |
| go 1.21 | |
| -- x.go -- | |
| package p | |
| import "rsc.io/future/foo" |