podman: RUN fails in rootless podman build when cgroups is v1

Is this a BUG REPORT or FEATURE REQUEST? (leave only one on its own line)

/kind bug

Description

When cgroups is v1 podman build fails on RUN step with the following:

ERRO[0000] systemd cgroup flag passed, but systemd support for managing cgroups is not available 
systemd cgroup flag passed, but systemd support for managing cgroups is not available
error running container: error creating container for [/bin/sh -c touch /file]: : exit status 1
Error: error building at STEP "RUN touch /file": error while running runtime: exit status 1

Cannot reproduce with buildah bud, so filing it here.

Steps to reproduce the issue:

On a system running an up-to-date Fedora 32:

1. Check that podman build is working okay:

$ podman build --no-cache -f -
FROM fedora:latest
RUN touch /file
STEP 1: FROM fedora:latest
STEP 2: RUN touch /file
STEP 3: COMMIT
--> 85f1922ea05
85f1922ea05bfe11e035caefa54d31f22a8c10559e7f4ca3fe9215ea2b31e163

1. Configure system to use cgroups v1 and reboot.

sudo grubby --update-kernel=ALL --args="systemd.unified_cgroup_hierarchy=0"

1. Run podman build again:

$ podman build --no-cache -f -
FROM fedora:latest                          
RUN touch /file
STEP 1: FROM fedora:latest
STEP 2: RUN touch /file
ERRO[0000] systemd cgroup flag passed, but systemd support for managing cgroups is not available 
systemd cgroup flag passed, but systemd support for managing cgroups is not available
error running container: error creating container for [/bin/sh -c touch /file]: : exit status 1
Error: error building at STEP "RUN touch /file": error while running runtime: exit status 1

1. buildah bud works:

$ buildah bud --no-cache -f -
FROM fedora:latest
RUN touch /file
STEP 1: FROM fedora:latest
STEP 2: RUN touch /file
STEP 3: COMMIT
--> 03c30b816e2
03c30b816e266f69814b26c377a85c4419a4c26086b799f29c13bf79e6f4f527

Describe the results you received:

Build fails on RUN step.

Describe the results you expected:

Build should succeed.

Additional information you deem important (e.g. issue happens only occasionally):

Tested this on a fresh Fedora 32 installation.

The above is working with podman 1.8.2, but fails after upgrading to podman 2.0.2

Output of podman version:

Version:      2.0.2
API Version:  1
Go Version:   go1.14.3
Built:        Thu Jan  1 01:00:00 1970
OS/Arch:      linux/amd64

Output of podman info --debug:

When cgroups is v1

host:
  arch: amd64
  buildahVersion: 1.15.0
  cgroupVersion: v1
  conmon:
    package: conmon-2.0.18-1.fc32.x86_64
    path: /usr/bin/conmon
    version: 'conmon version 2.0.18, commit: 6e8799f576f11f902cd8a8d8b45b2b2caf636a85'
  cpus: 8
  distribution:
    distribution: fedora
    version: "32"
  eventLogger: file
  hostname: localhost-live
  idMappings:
    gidmap:
    - container_id: 0
      host_id: 1000
      size: 1
    - container_id: 1
      host_id: 100000
      size: 65536
    uidmap:
    - container_id: 0
      host_id: 1000
      size: 1
    - container_id: 1
      host_id: 100000
      size: 65536
  kernel: 5.7.8-200.fc32.x86_64
  linkmode: dynamic
  memFree: 2097209344
  memTotal: 4090630144
  ociRuntime:
    name: runc
    package: runc-1.0.0-144.dev.gite6555cc.fc32.x86_64
    path: /usr/bin/runc
    version: |-
      runc version 1.0.0-rc10+dev
      commit: fbdbaf85ecbc0e077f336c03062710435607dbf1
      spec: 1.0.1-dev
  os: linux
  remoteSocket:
    path: /run/user/1000/podman/podman.sock
  rootless: true
  slirp4netns:
    executable: /usr/bin/slirp4netns
    package: slirp4netns-1.1.1-1.fc32.x86_64
    version: |-
      slirp4netns version 1.1.1
      commit: bbf27c5acd4356edb97fa639b4e15e0cd56a39d5
      libslirp: 4.2.0
      SLIRP_CONFIG_VERSION_MAX: 2
  swapFree: 2147479552
  swapTotal: 2147479552
  uptime: 39.76s
registries:
  search:
  - registry.fedoraproject.org
  - registry.access.redhat.com
  - registry.centos.org
  - docker.io
store:
  configFile: /home/csomh/.config/containers/storage.conf
  containerStore:
    number: 0
    paused: 0
    running: 0
    stopped: 0
  graphDriverName: overlay
  graphOptions:
    overlay.mount_program:
      Executable: /usr/bin/fuse-overlayfs
      Package: fuse-overlayfs-1.1.2-1.fc32.x86_64
      Version: |-
        fusermount3 version: 3.9.1
        fuse-overlayfs: version 1.1.0
        FUSE library version 3.9.1
        using FUSE kernel interface version 7.31
  graphRoot: /home/csomh/.local/share/containers/storage
  graphStatus:
    Backing Filesystem: extfs
    Native Overlay Diff: "false"
    Supports d_type: "true"
    Using metacopy: "false"
  imageStore:
    number: 2
  runRoot: /run/user/1000/containers
  volumePath: /home/csomh/.local/share/containers/storage/volumes
version:
  APIVersion: 1
  Built: 0
  BuiltTime: Thu Jan  1 01:00:00 1970
  GitCommit: ""
  GoVersion: go1.14.3
  OsArch: linux/amd64
  Version: 2.0.2

When cgroups is v2:

host:
  arch: amd64
  buildahVersion: 1.15.0
  cgroupVersion: v2
  conmon:
    package: conmon-2.0.18-1.fc32.x86_64
    path: /usr/bin/conmon
    version: 'conmon version 2.0.18, commit: 6e8799f576f11f902cd8a8d8b45b2b2caf636a85'
  cpus: 8
  distribution:
    distribution: fedora
    version: "32"
  eventLogger: file
  hostname: localhost-live
  idMappings:
    gidmap:
    - container_id: 0
      host_id: 1000
      size: 1
    - container_id: 1
      host_id: 100000
      size: 65536
    uidmap:
    - container_id: 0
      host_id: 1000
      size: 1
    - container_id: 1
      host_id: 100000
      size: 65536
  kernel: 5.7.8-200.fc32.x86_64
  linkmode: dynamic
  memFree: 1938636800
  memTotal: 4090626048
  ociRuntime:
    name: crun
    package: crun-0.14.1-1.fc32.x86_64
    path: /usr/bin/crun
    version: |-
      crun version 0.14.1
      commit: 598ea5e192ca12d4f6378217d3ab1415efeddefa
      spec: 1.0.0
      +SYSTEMD +SELINUX +APPARMOR +CAP +SECCOMP +EBPF +YAJL
  os: linux
  remoteSocket:
    path: /run/user/1000/podman/podman.sock
  rootless: true
  slirp4netns:
    executable: /usr/bin/slirp4netns
    package: slirp4netns-1.1.1-1.fc32.x86_64
    version: |-
      slirp4netns version 1.1.1
      commit: bbf27c5acd4356edb97fa639b4e15e0cd56a39d5
      libslirp: 4.2.0
      SLIRP_CONFIG_VERSION_MAX: 2
  swapFree: 2147479552
  swapTotal: 2147479552
  uptime: 1m 50.78s
registries:
  search:
  - registry.fedoraproject.org
  - registry.access.redhat.com
  - registry.centos.org
  - docker.io
store:
  configFile: /home/csomh/.config/containers/storage.conf
  containerStore:
    number: 0
    paused: 0
    running: 0
    stopped: 0
  graphDriverName: overlay
  graphOptions:
    overlay.mount_program:
      Executable: /usr/bin/fuse-overlayfs
      Package: fuse-overlayfs-1.1.2-1.fc32.x86_64
      Version: |-
        fusermount3 version: 3.9.1
        fuse-overlayfs: version 1.1.0
        FUSE library version 3.9.1
        using FUSE kernel interface version 7.31
  graphRoot: /home/csomh/.local/share/containers/storage
  graphStatus:
    Backing Filesystem: extfs
    Native Overlay Diff: "false"
    Supports d_type: "true"
    Using metacopy: "false"
  imageStore:
    number: 0
  runRoot: /run/user/1000/containers
  volumePath: /home/csomh/.local/share/containers/storage/volumes
version:
  APIVersion: 1
  Built: 0
  BuiltTime: Thu Jan  1 01:00:00 1970
  GitCommit: ""
  GoVersion: go1.14.3
  OsArch: linux/amd64
  Version: 2.0.2

Package info (e.g. output of rpm -q podman or apt list podman):

$ rpm -q podman
podman-2.0.2-1.fc32.x86_64
$ rpm -q buildah
buildah-1.15.0-1.fc32.x86_64

Additional environment details (AWS, VirtualBox, physical, etc.):

Was able to reproduce both on physical machine as in VM.