When I run go get github.com/PuerkitoBio/purell with Go1.12rc1, I get the following. I think this is due to the fix for https://golang.org/issue/22907.
--- FAIL: TestEncodeNecessaryEscapesAll (0.00s)
purell_test.go:768: Got error parse http://host/
!": net/url: invalid control character in URL
FAIL
FAIL github.com/PuerkitoBio/purell 0.088s
When I run
go get github.com/PuerkitoBio/purell
with Go1.12rc1, I get the following. I think this is due to the fix for https://golang.org/issue/22907.