What steps will reproduce the problem?

lucky(~) % go test fmt fmt fmt fmt fmt fmt fmt
# fmt_test
go/src/pkg/fmt/fmt_test.go:9: import $WORK/fmt/_test/fmt.a: not a package file
# fmt
can't create $WORK/fmt/_test/_go_.6: No such file or directory
# fmt_test
go/src/pkg/fmt/fmt_test.go:840: undefined: IsSpace
go/src/pkg/fmt/fmt_test.go:841: undefined: IsSpace
FAIL    fmt [build failed]
FAIL    fmt [build failed]
# fmt_test
go/src/pkg/fmt/fmt_test.go:840: undefined: IsSpace
go/src/pkg/fmt/fmt_test.go:841: undefined: IsSpace
# fmt_test
go/src/pkg/fmt/fmt_test.go:840: undefined: IsSpace
go/src/pkg/fmt/fmt_test.go:841: undefined: IsSpace
FAIL    fmt [build failed]
FAIL    fmt [build failed]
FAIL    fmt [build failed]
# fmt
can't create $WORK/fmt/_test/_go_.6: No such file or directory
FAIL    fmt [build failed]
# fmt
can't create $WORK/fmt/_test/_go_.6: No such file or directory
FAIL    fmt [build failed]

What is the expected output? What do you see instead?

fmt test should pass (either once, or 7 times)

Please use labels and text to provide additional information.

lucky(~) % go version
go version go1.0.3