How to solve this problem? The program works. But the methods in Gogland are highlighted in red. Qt version 5.8 is added.
Gogland (1.0 Preview) 1.0 EAP Build #GO
Ran into this recently with a project in 'bitbucket.org' GOPATH not finding ones in 'github.com'. Checked the "Index entire GOPATH" box and it fixed it.
This option is present at: Files > Settings (Preferences) > Go > GOPATH