Help needed to test

[sulsj]

Hi
I am interested in this project and trying to test it.
When I ran go get . it asked me to run go mod init so I did it.
And then I found

$ go get .
go: downloading github.com/opencontainers/runc v1.0.2
go: downloading github.com/moby/sys/mountinfo v0.4.1
go: downloading github.com/pkg/errors v0.9.1
go: downloading github.com/cyphar/filepath-securejoin v0.2.2
go: downloading github.com/sirupsen/logrus v1.8.1
go: downloading golang.org/x/sys v0.0.0-20210426230700-d19ff857e887
go: downloading github.com/coreos/go-systemd/v22 v22.3.2
go: downloading github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417
go: downloading github.com/godbus/dbus/v5 v5.0.4
# github.com/opencontainers/runc/libcontainer/cgroups
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:79:14: undefined: unix.Openat2
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:79:45: undefined: unix.OpenHow
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:100:18: undefined: unix.RESOLVE_BENEATH
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:100:41: undefined: unix.RESOLVE_NO_MAGICLINKS
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:101:17: undefined: unix.CGROUP2_SUPER_MAGIC
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:103:20: undefined: unix.RESOLVE_NO_XDEV
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:103:43: undefined: unix.RESOLVE_NO_SYMLINKS
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/v1_utils.go:155:9: undefined: Mount
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/v1_utils.go:163:87: undefined: Mount
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/v1_utils.go:191:37: undefined: Mount
../../../../pkg/mod/github.com/opencontainers/[email protected]/libcontainer/cgroups/file.go:103:43: too many errors

Can you help me to test it?
Thanks,
Seung