go build is hanging there

[shuoli84]

Have no idea why, but it takes forever to build the project.

❯ go build -v                                        [INS]
github.com/mattes/migrate/migrate/direction
github.com/mattes/migrate/pipe
github.com/mattes/migrate/file
github.com/mattes/migrate/driver
github.com/mattes/migrate/driver/bash
github.com/mattes/migrate/driver/cassandra
github.com/mattes/migrate/driver/mysql
github.com/mattes/migrate/driver/postgres
github.com/mattes/migrate/driver/sqlite3
github.com/mattes/migrate/migrate
github.com/mattes/migrate (Hang here)

 ❯ go version                                         [INS]
go version go1.6.2 darwin/amd64