Dockerfile：
FROM vault:latest
RUN apk --no-cache add \
perl-utils
我使用的命令：
podman build -t vaultplugin vaultplugin.Dockerfile
我收到的错误：
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0x12d10aa]
goroutine 1 [running]:
github.com/containers/buildah/imagebuildah.BuildDockerfiles(0x1bad1e0, 0xc0000b4018, 0x1bd5580, 0xc0002ed7a0, 0xc000642ac0, 0x3d, 0x0, 0x0, 0x0, 0x0, ...)
vendor/github.com/containers/buildah/imagebuildah/build.go:204 +0xd9a
github.com/containers/libpod/libpod.(*Runtime).Build(0xc00067a000, 0x1bad1e0, 0xc0000b4018, 0xc000642ac0, 0x3d, 0x0, 0x0, 0x0, 0x0, 0x3, ...)
libpod/runtime_img.go:150 +0xba
github.com/containers/libpod/pkg/adapter.(*LocalRuntime).Build(0xc00047e910, 0x1bad1e0, 0xc0000b4018, 0x2bc9120, 0xc000642ac0, 0x3d, 0x0, 0x0, 0x0, 0x0, ...)
pkg/adapter/runtime.go:316 +0x2e8
main.buildCmd(0x2bc9120, 0x0, 0x0)
cmd/podman/build.go:321 +0xf45
main.glob..func2(0x2b585c0, 0xc00026efc0, 0x1, 0x3, 0x0, 0x0)
cmd/podman/build.go:44 +0xd0
github.com/spf13/cobra.(*Command).execute(0x2b585c0, 0xc0000be020, 0x3, 0x3, 0x2b585c0, 0xc0000be020)
vendor/github.com/spf13/cobra/command.go:826 +0x473
github.com/spf13/cobra.(*Command).ExecuteC(0x2b616c0, 0x0, 0x0, 0x413000)
vendor/github.com/spf13/cobra/command.go:914 +0x2f8
github.com/spf13/cobra.(*Command).Execute(0x2b616c0, 0x6, 0x192e1e0)
vendor/github.com/spf13/cobra/command.go:864 +0x2b
main.main()
cmd/podman/main.go:160 +0x63
所以问题是......我做错了什么？