Can't build merlin server on Linux Ubuntu 16.04: "redeclared in this block"

[g3rzi]

Prerequisite

• I have read the README
• I have search the opened & closed issues
• I have search the WIKI and its FAQ page

Environment Data

• Merlin Version: 0.8.0.BETA (dev branch)
• Merlin Build: nonRelease
• Go Version: go1.14.4 linux/amd64
• GOPATH Environment Variable: /home/jiren/go
• GOROOT Environment Variable: /usr/local/go
• Operating System: Linux Ubuntu 16.04.3 LTS

Expected Behavior

Build without errors

Actual Behavior

root@ubuntu:~/go/src/merlin# go build cmd/merlinserver/main.go 
# runtime/internal/atomic
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:13:6: Load redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:16:24
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:19:6: Loadp redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:22:32
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:25:6: Load64 redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:28:26
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:31:6: LoadAcq redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:34:27
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:36:6: Xadd redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:39:37
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:39:6: Xadd64 redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:42:39
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:42:6: Xadduintptr redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:45:47
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:45:6: Xchg redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:48:36
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:48:6: Xchg64 redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:51:38
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:51:6: Xchguintptr redeclared in this block
	previous declaration at /usr/local/go/src/runtime/internal/atomic/atomic_amd64.go:54:45
/usr/local/go/src/runtime/internal/atomic/atomic_amd64x.go:51:6: too many errors

Steps to Reproduce Behavior

1. Open terminal and change to root sudo -s
2. Run git clone -b dev https://github.com/Ne0nd0g/merlin.git
3. Copy the directory merlin to ~/go/src/
4. Run go build cmd/merlinserver/main.go

Misc Information

[g3rzi]

I think this is something on my side, I have it on other project.

[g3rzi]

I installed new version on top of old one, I needed to delete golang and reinstall it