$ cat $GOPATH/src/sandbox/bar/bar.go 
package bar

import "C"

$ cat foo.go
package main

import (
	"fmt"

	"golang.org/x/tools/go/packages"
)

func main() {
	cfg := &packages.Config{
		Mode: packages.LoadAllSyntax,
	}
	pkgs, err := packages.Load(cfg, "sandbox/bar")
	fmt.Println(err)
	packages.PrintErrors(pkgs)
}

$ go version
go version go1.11.1 linux/amd64

# Building the program with Go 1.11.1
$ go build foo.go

# Running the program with Go 1.11.1, success
$ ./foo
<nil>

$ PATH=~/go/bin:$PATH go version
go version go1.10.4 linux/amd64

# Running the program with Go 1.10.4, fails
$ PATH=~/go/bin:$PATH ./foo
<nil>
/tmp/gopackages197109030/go-build/runtime_cgo/_cgo_gotypes.go:7:10: could not import runtime/cgo (no metadata for runtime/cgo)

# Plain go build has no issues.
$ PATH=~/go/bin:$PATH go build sandbox/bar; echo $? 
0

# Debug output with Go 1.11.1 and Go 1.10.4 respectively
$ GOPACKAGESDEBUG=1 ./foo                             
2019/01/07 14:45:32 116.362087ms for GOROOT= GOPATH=/home/dominikh/prj/ GO111MODULE= PWD=/tmp go [list -e -json -compiled -test=false -export=false -deps=true -find=false -- sandbox/bar]

$ GOPACKAGESDEBUG=1 PATH=~/go/bin:$PATH ./foo         
2019/01/07 14:45:50 8.65362ms for GOROOT= GOPATH=/home/dominikh/prj/ GO111MODULE= PWD=/tmp go [list -e -json -compiled -test=false -export=false -deps=true -find=false -- sandbox/bar]
2019/01/07 14:45:51 623.45465ms for GOROOT= GOPATH=/home/dominikh/prj/ GO111MODULE= PWD=/tmp go [list -e -json -- sandbox/bar]
2019/01/07 14:45:51 354.261038ms for GOROOT= GOPATH=/home/dominikh/prj/ GO111MODULE= PWD=/tmp go [list -e -json -- internal/race runtime runtime/cgo runtime/internal/atomic runtime/internal/sys sync sync/atomic syscall unsafe]
<nil>
/tmp/gopackages628127153/go-build/runtime_cgo/_cgo_gotypes.go:7:10: could not import runtime/cgo (no metadata for runtime/cgo)