Incorrect error message: GOBIN must be an absolute path

[powerman]

$ XDG_CACHE_HOME=.cache gobin -run github.com/cheekybits/genny
failed to run go install github.com/cheekybits/genny: exit status 1
cannot install, GOBIN must be an absolute path

Error message should be: XDG_CACHE_HOME must be an absolute path.

[myitcv]

Thanks for the catch.