path=example.com/m
version=v1.0.0
hash=h1:xctQQey8/y7IcBjFZDP/onWLSXhlqcsC3i1fgSdpMHk=
-- a.go --
package a
-- b/GO.MOD --
MODULE EXAMPLE.COM/M/B
-- b/b.go --
package b