error build - AppendFormat undefined

[Ondry]

root@cdr:/opt# go version
go version go1.4.2 linux/amd64
root@cdr:/opt#
root@cdr:/opt# mkdir /opt/app
root@cdr:/opt# cd /opt/app
root@cdr:/opt/app# git clone https://github.com/cdr-stats/cdr-pusher.git
Cloning into 'cdr-pusher'...
remote: Counting objects: 563, done.
remote: Total 563 (delta 0), reused 0 (delta 0), pack-reused 563
Receiving objects: 100% (563/563), 3.52 MiB | 1.82 MiB/s, done.
Resolving deltas: 100% (375/375), done.
Checking connectivity... done.
root@cdr:/opt/app# cd cdr-pusher
root@cdr:/opt/app/cdr-pusher# export GOPATH=pwd
root@cdr:/opt/app/cdr-pusher# make build
found packages fetch_orm.go (fetch) and insert_gorm.go (main) in archive
found packages fetch_orm.go (fetch) and insert_gorm.go (main) in archive

github.com/go-sql-driver/mysql/src/github.com/go-sql-driver/mysql/packets.go:1087: v.In(mc.cfg.Loc).AppendFormat undefined (type time.Time has no field or method AppendFormat)

Makefile:29: ошибка выполнения рецепта для цели «build»
make: *** [build] Ошибка 2
root@cdr:/opt/app/cdr-pusher# git --version
git version 2.1.4