cmd / go：构建项目时出现意外的目录布局

        import path: github.com/gruntwork-io/terratest/modules/helm
        root: /home/vagrant/go/src
        dir: /home/vagrant/go/src/k8stests/vendor/github.com/gruntwork-io/terratest/modules/helm
        expand root: /home/vagrant/go/src
        expand dir: /home/vagrant/go/src/k8stests/vendor/github.com/gruntwork-io/terratest/modules/helm
        separator: /

$ go env

GOARCH="amd64"
GOBIN=""
GOCACHE="/home/vagrant/.cache/go-build"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/vagrant/go:/home/vagrant/go/src/k8stests"
GORACE=""
GOROOT="/usr/lib/go-1.10"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go-1.10/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build737322677=/tmp/go-build -gno-record-gcc-switches"

in the project root directory /home/vagrant/go/src/k8stests i tried build command

go build ... Can you please help me on why i am facing this issue?