Found go.mod file, using Go version 'go1.14' specified by it.
Switching Go version to 'go1.14'
Now using version go1.14.6
/home/prow/go /home/prow/go/src/github.com/knative/docs
Now using version go1.14.6 in local package set
Local GOPATH is now /home/prow/go/.gvm_local
/home/prow/go/src/github.com/knative/docs
Overriding GOPATH to '/home/prow/go'
Activated service account credentials for: [prow-job@knative-tests.iam.gserviceaccount.com]
+ ./test/presubmit-link-check.sh
Changed files in commit b324fb3f9651c5e72d3736a638039d8efc1f79dc:
go.mod
go.sum
hack/tools.go
hack/update-deps.sh
test/e2e-tests.sh
vendor/cloud.google.com/go/CHANGES.md
vendor/cloud.google.com/go/compute/metadata/metadata.go
vendor/cloud.google.com/go/go.mod
vendor/cloud.google.com/go/go.sum
vendor/cloud.google.com/go/internal/.repo-metadata-full.json
vendor/cloud.google.com/go/internal/version/version.go
vendor/golang.org/x/net/http2/server.go
vendor/golang.org/x/net/http2/transport.go
vendor/golang.org/x/sys/unix/asm_openbsd_mips64.s
vendor/golang.org/x/sys/unix/ioctl.go
vendor/golang.org/x/sys/unix/mkall.sh
vendor/golang.org/x/sys/unix/mkerrors.sh
vendor/golang.org/x/sys/unix/syscall_darwin.1_12.go
vendor/golang.org/x/sys/unix/syscall_darwin.go
vendor/golang.org/x/sys/unix/syscall_darwin_386.1_11.go
vendor/golang.org/x/sys/unix/syscall_darwin_386.go
vendor/golang.org/x/sys/unix/syscall_darwin_amd64.1_11.go
vendor/golang.org/x/sys/unix/syscall_darwin_amd64.go
vendor/golang.org/x/sys/unix/syscall_darwin_arm.1_11.go
vendor/golang.org/x/sys/unix/syscall_darwin_arm.go
vendor/golang.org/x/sys/unix/syscall_darwin_arm64.1_11.go
vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go
vendor/golang.org/x/sys/unix/syscall_linux.go
vendor/golang.org/x/sys/unix/syscall_linux_arm.go
vendor/golang.org/x/sys/unix/syscall_linux_gc_arm.go
vendor/golang.org/x/sys/unix/syscall_openbsd_mips64.go
vendor/golang.org/x/sys/unix/zerrors_linux.go
vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go
vendor/golang.org/x/sys/unix/zerrors_openbsd_mips64.go
vendor/golang.org/x/sys/unix/zsyscall_darwin_386.1_11.go
vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.1_11.go
vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.1_11.go
vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.1_11.go
vendor/golang.org/x/sys/unix/zsyscall_linux.go
vendor/golang.org/x/sys/unix/zsyscall_openbsd_mips64.go
vendor/golang.org/x/sys/unix/zsysctl_openbsd_mips64.go
vendor/golang.org/x/sys/unix/zsysnum_darwin_386.go
vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
vendor/golang.org/x/sys/unix/zsysnum_darwin_arm.go
vendor/golang.org/x/sys/unix/zsysnum_darwin_arm64.go
vendor/golang.org/x/sys/unix/zsysnum_linux_386.go
vendor/golang.org/x/sys/unix/zsysnum_linux_amd64.go
vendor/golang.org/x/sys/unix/zsysnum_linux_arm.go
vendor/golang.org/x/sys/unix/zsysnum_linux_arm64.go
vendor/golang.org/x/sys/unix/zsysnum_linux_mips.go
vendor/golang.org/x/sys/unix/zsysnum_linux_mips64.go
vendor/golang.org/x/sys/unix/zsysnum_linux_mips64le.go
vendor/golang.org/x/sys/unix/zsysnum_linux_mipsle.go
vendor/golang.org/x/sys/unix/zsysnum_linux_ppc64.go
vendor/golang.org/x/sys/unix/zsysnum_linux_ppc64le.go
vendor/golang.org/x/sys/unix/zsysnum_linux_riscv64.go
vendor/golang.org/x/sys/unix/zsysnum_linux_s390x.go
vendor/golang.org/x/sys/unix/zsysnum_linux_sparc64.go
vendor/golang.org/x/sys/unix/zsysnum_openbsd_mips64.go
vendor/golang.org/x/sys/unix/ztypes_linux.go
vendor/golang.org/x/sys/unix/ztypes_linux_386.go
vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
vendor/golang.org/x/sys/unix/ztypes_linux_riscv64.go
vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
vendor/golang.org/x/sys/unix/ztypes_openbsd_mips64.go
vendor/golang.org/x/sys/windows/syscall_windows.go
vendor/golang.org/x/sys/windows/types_windows.go
vendor/golang.org/x/sys/windows/types_windows_386.go
vendor/golang.org/x/sys/windows/types_windows_amd64.go
vendor/golang.org/x/sys/windows/types_windows_arm.go
vendor/golang.org/x/sys/windows/zsyscall_windows.go
vendor/golang.org/x/tools/internal/gopathwalk/walk.go
vendor/golang.org/x/tools/internal/imports/fix.go
vendor/golang.org/x/tools/internal/imports/mod.go
vendor/golang.org/x/tools/internal/imports/zstdlib.go
vendor/google.golang.org/api/internal/gensupport/media.go
vendor/google.golang.org/api/internal/settings.go
vendor/google.golang.org/api/option/internaloption/internaloption.go
vendor/google.golang.org/api/storage/v1/storage-api.json
vendor/google.golang.org/api/storage/v1/storage-gen.go
vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go
vendor/google.golang.org/genproto/googleapis/api/annotations/client.pb.go
vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go
vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go
vendor/google.golang.org/genproto/googleapis/api/annotations/resource.pb.go
vendor/google.golang.org/genproto/googleapis/iam/v1/iam_policy.pb.go
vendor/google.golang.org/genproto/googleapis/iam/v1/options.pb.go
vendor/google.golang.org/genproto/googleapis/iam/v1/policy.pb.go
vendor/google.golang.org/genproto/googleapis/rpc/code/code.pb.go
vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go
vendor/google.golang.org/genproto/googleapis/type/expr/expr.pb.go
vendor/google.golang.org/grpc/version.go
vendor/knative.dev/net-istio/LICENSE
vendor/knative.dev/net-istio/third_party/istio-stable/README.md
vendor/knative.dev/net-istio/third_party/istio-stable/dummy.go
vendor/knative.dev/net-istio/third_party/istio-stable/install-istio.sh
vendor/knative.dev/net-istio/third_party/istio-stable/istio-ci-mesh.yaml
vendor/knative.dev/net-istio/third_party/istio-stable/istio-ci-no-mesh.yaml
vendor/knative.dev/net-istio/third_party/istio-stable/istio-kind-mesh.yaml
vendor/knative.dev/net-istio/third_party/istio-stable/istio-kind-no-mesh.yaml
vendor/knative.dev/net-istio/third_party/istio-stable/istio-minimal.yaml
vendor/knative.dev/test-infra/scripts/library.sh
vendor/knative.dev/test-infra/scripts/markdown-link-check-config.rc
vendor/knative.dev/test-infra/scripts/markdown-lint-config.rc
vendor/knative.dev/test-infra/scripts/presubmit-tests.sh
vendor/modules.txt
./test/presubmit-link-check.sh: line 33: markdown_build_tests: command not found
+ EXIT_VALUE=127
+ set +o xtrace