1! go get example.com/retract/ambiguous/other 2stderr 'ambiguous import: found package example.com/retract/ambiguous/nested in multiple modules:' 3stderr '^go: warning: example.com/retract/ambiguous/nested@v1.9.0-bad: retracted by module author: nested modules are bad$' 4 5-- go.mod -- 6module example.com/use 7 8go 1.16 9 10require example.com/retract/ambiguous/nested v1.9.0-bad