$ cat Gopkg.toml
...
[[constraint]]
branch = "master"
name = "github.com/coreos/operator-sdk"
[[constraint]]
name = "k8s.io/apimachinery"
version = "kubernetes-1.8.0"
$ cat Gopkg.lock
# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
[[projects]]
branch = "master"
name = "github.com/coreos/operator-sdk"
packages = ["pkg/k8sclient","pkg/sdk","pkg/sdk/action","pkg/sdk/handler","pkg/sdk/informer","pkg/sdk/types","pkg/util/k8sutil"]
revision = "a11560116f61ab3147e9b3a8e27be15fde10e827"
...
[[projects]]
branch = "master"
name = "k8s.io/api"
packages = ["admissionregistration/v1alpha1","apps/v1beta1","apps/v1beta2","authentication/v1","authentication/v1beta1","authorization/v1","authorization/v1beta1","autoscaling/v1","autoscaling/v2beta1","batch/v1","batch/v1beta1","batch/v2alpha1","certificates/v1beta1","core/v1","extensions/v1beta1","networking/v1","policy/v1beta1","rbac/v1","rbac/v1alpha1","rbac/v1beta1","scheduling/v1alpha1","settings/v1alpha1","storage/v1","storage/v1beta1"]
revision = "b378c47b2dcba7f5c3ef97d8a5a0b3821ec6a001"
[[projects]]
name = "k8s.io/apimachinery"
packages = ["pkg/api/equality","pkg/api/errors","pkg/api/meta","pkg/api/resource","pkg/apis/meta/internalversion","pkg/apis/meta/v1","pkg/apis/meta/v1/unstructured","pkg/apis/meta/v1alpha1","pkg/conversion","pkg/conversion/queryparams","pkg/conversion/unstructured","pkg/fields","pkg/labels","pkg/runtime","pkg/runtime/schema","pkg/runtime/serializer","pkg/runtime/serializer/json","pkg/runtime/serializer/protobuf","pkg/runtime/serializer/recognizer","pkg/runtime/serializer/streaming","pkg/runtime/serializer/versioning","pkg/selection","pkg/types","pkg/util/cache","pkg/util/clock","pkg/util/diff","pkg/util/errors","pkg/util/framer","pkg/util/intstr","pkg/util/json","pkg/util/net","pkg/util/runtime","pkg/util/sets","pkg/util/validation","pkg/util/validation/field","pkg/util/wait","pkg/util/yaml","pkg/version","pkg/watch","third_party/forked/golang/reflect"]
revision = "019ae5ada31de202164b118aee88ee2d14075c31"
version = "kubernetes-1.8.0"
[[projects]]
name = "k8s.io/client-go"
packages = ["discovery","discovery/cached","dynamic","kubernetes","kubernetes/scheme","kubernetes/typed/admissionregistration/v1alpha1","kubernetes/typed/apps/v1beta1","kubernetes/typed/apps/v1beta2","kubernetes/typed/authentication/v1","kubernetes/typed/authentication/v1beta1","kubernetes/typed/authorization/v1","kubernetes/typed/authorization/v1beta1","kubernetes/typed/autoscaling/v1","kubernetes/typed/autoscaling/v2beta1","kubernetes/typed/batch/v1","kubernetes/typed/batch/v1beta1","kubernetes/typed/batch/v2alpha1","kubernetes/typed/certificates/v1beta1","kubernetes/typed/core/v1","kubernetes/typed/extensions/v1beta1","kubernetes/typed/networking/v1","kubernetes/typed/policy/v1beta1","kubernetes/typed/rbac/v1","kubernetes/typed/rbac/v1alpha1","kubernetes/typed/rbac/v1beta1","kubernetes/typed/scheduling/v1alpha1","kubernetes/typed/settings/v1alpha1","kubernetes/typed/storage/v1","kubernetes/typed/storage/v1beta1","pkg/version","rest","rest/watch","tools/cache","tools/clientcmd/api","tools/metrics","tools/pager","tools/reference","transport","util/cert","util/flowcontrol","util/integer","util/workqueue"]
revision = "35ccd4336052e7d73018b1382413534936f34eee"
version = "kubernetes-1.8.2"
[[projects]]
branch = "master"
name = "k8s.io/kube-openapi"
packages = ["pkg/common"]
revision = "50ae88d24ede7b8bad68e23c805b5d3da5c8abaf"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "0f44f1453a6bc20f0d0a55ee8acd57bc589e0981f9578b3e830b237938cca28d"
solver-name = "gps-cdcl"
solver-version = 1
$ ./tmp/build/build.sh
building app-operator...
# github.com/coreos/app-operator/vendor/k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1
vendor/k8s.io/client-
go/kubernetes/typed/admissionregistration/v1alpha1/externaladmissionhookconfiguration.go:36:5132: too many errors
# github.com/coreos/app-operator/vendor/k8s.io/client-go/kubernetes/typed/extensions/v1beta1
vendor/k8s.io/client-go/kubernetes/typed/extensions/v1beta1/thirdpartyresource.go:36:40: undefined: v1beta1.ThirdPartyResource
too many errors