Devcontainer fails with "remoteUser" with "mkdir: cannot create directory ‘/root’: Permission denied"

• VSCode Version:

  Version: 1.73.1
  Commit: 6261075646f055b99068d3688932416f2346dd3b
  Date: 2022-11-09T03:54:53.913Z
  Electron: 19.0.17
  Chromium: 102.0.5005.167
  Node.js: 16.14.2
  V8: 10.2.154.15-electron.0
  OS: Linux x64 5.14.0-1054-oem
  Sandboxed: No
  

• Local OS Version: Ubuntu 20.04

• Remote OS Version: Ubuntu 18.04

• Remote Extension/Connection Type: Containers/Server

• Logs:

[2022-12-08T13:27:09.218Z] Stop (83 ms): Run in container: uname -m
[2022-12-08T13:27:09.218Z] Start: Run in container: (cat /etc/os-release || cat /usr/lib/os-release) 2>/dev/null
[2022-12-08T13:27:09.219Z] NAME="Ubuntu"
VERSION="18.04.6 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.6 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic
[2022-12-08T13:27:09.220Z] 
[2022-12-08T13:27:09.220Z] Stop (2 ms): Run in container: (cat /etc/os-release || cat /usr/lib/os-release) 2>/dev/null
[2022-12-08T13:27:09.220Z] Start: Run in container: cat /etc/passwd
[2022-12-08T13:27:09.221Z] Stop (1 ms): Run in container: cat /etc/passwd
[2022-12-08T13:27:09.221Z] Start: Updating configuration state
[2022-12-08T13:27:09.225Z] Stop (4 ms): Updating configuration state
[2022-12-08T13:27:09.226Z] Start: Setup shutdown monitor
[2022-12-08T13:27:09.226Z] Forking shutdown monitor: /home/dima/.vscode/extensions/ms-vscode-remote.remote-containers-0.266.1/dist/shutdown/shutdownMonitorProcess /run/user/1000/vscode-remote-containers-6da2fc337d9acc87b102df1f9a3bef3253fbe77b.sock singleContainer Debug /home/dima/.config/Code/logs/20221208T152051/window1/exthost/ms-vscode-remote.remote-containers 1670506027518
[2022-12-08T13:27:09.229Z] Stop (3 ms): Setup shutdown monitor
[2022-12-08T13:27:09.230Z] Start: Run in container: test -d /root/.vscode-server
[2022-12-08T13:27:09.230Z] 
[2022-12-08T13:27:09.230Z] 
[2022-12-08T13:27:09.231Z] Exit code 1
[2022-12-08T13:27:09.231Z] Stop (1 ms): Run in container: test -d /root/.vscode-server
[2022-12-08T13:27:09.231Z] Start: Run in container: test -d /root/.vscode-remote
[2022-12-08T13:27:09.231Z] 
[2022-12-08T13:27:09.232Z] 
[2022-12-08T13:27:09.232Z] Exit code 1
[2022-12-08T13:27:09.232Z] Stop (1 ms): Run in container: test -d /root/.vscode-remote
[2022-12-08T13:27:09.232Z] Start: Run in container: test ! -f '/root/.vscode-server/data/Machine/.writeMachineSettingsMarker' && set -o noclobber && mkdir -p '/root/.vscode-server/data/Machine' && { > '/root/.vscode-server/data/Machine/.writeMachineSettingsMarker' ; } 2> /dev/null
[2022-12-08T13:27:09.233Z] 
[2022-12-08T13:27:09.233Z] mkdir: cannot create directory ‘/root’: Permission denied
[2022-12-08T13:27:09.234Z] Exit code 1
[2022-12-08T13:27:09.234Z] Stop (2 ms): Run in container: test ! -f '/root/.vscode-server/data/Machine/.writeMachineSettingsMarker' && set -o noclobber && mkdir -p '/root/.vscode-server/data/Machine' && { > '/root/.vscode-server/data/Machine/.writeMachineSettingsMarker' ; } 2> /dev/null
[2022-12-08T13:27:09.234Z] Start: Run in container: cat /root/.vscode-server/data/Machine/settings.json
[2022-12-08T13:27:09.235Z] 
[2022-12-08T13:27:09.235Z] cat: /root/.vscode-server/data/Machine/settings.json: Permission denied
[2022-12-08T13:27:09.235Z] Exit code 1
[2022-12-08T13:27:09.235Z] Stop (1 ms): Run in container: cat /root/.vscode-server/data/Machine/settings.json
[2022-12-08T13:27:09.235Z] Start: Run in container: test -d /root/.vscode-server/bin/6261075646f055b99068d3688932416f2346dd3b
[2022-12-08T13:27:09.235Z] 
[2022-12-08T13:27:09.236Z] 
[2022-12-08T13:27:09.236Z] Exit code 1
[2022-12-08T13:27:09.236Z] Stop (1 ms): Run in container: test -d /root/.vscode-server/bin/6261075646f055b99068d3688932416f2346dd3b
[2022-12-08T13:27:09.236Z] Start: Run in container: test -d /vscode/vscode-server/bin/linux-x64/6261075646f055b99068d3688932416f2346dd3b
[2022-12-08T13:27:09.236Z] 
[2022-12-08T13:27:09.236Z] 
[2022-12-08T13:27:09.237Z] Stop (1 ms): Run in container: test -d /vscode/vscode-server/bin/linux-x64/6261075646f055b99068d3688932416f2346dd3b
[2022-12-08T13:27:09.237Z] Start: Run in container: mkdir -p '/root/.vscode-server/bin' && ln -snf '/vscode/vscode-server/bin/linux-x64/6261075646f055b99068d3688932416f2346dd3b' '/root/.vscode-server/bin/6261075646f055b99068d3688932416f2346dd3b'
[2022-12-08T13:27:09.238Z] 
[2022-12-08T13:27:09.238Z] mkdir: cannot create directory ‘/root’: Permission denied
[2022-12-08T13:27:09.238Z] Exit code 1
[2022-12-08T13:27:09.238Z] Stop (1 ms): Run in container: mkdir -p '/root/.vscode-server/bin' && ln -snf '/vscode/vscode-server/bin/linux-x64/6261075646f055b99068d3688932416f2346dd3b' '/root/.vscode-server/bin/6261075646f055b99068d3688932416f2346dd3b'
[2022-12-08T13:27:09.240Z] Command in container failed: mkdir -p '/root/.vscode-server/bin' && ln -snf '/vscode/vscode-server/bin/linux-x64/6261075646f055b99068d3688932416f2346dd3b' '/root/.vscode-server/bin/6261075646f055b99068d3688932416f2346dd3b'
[2022-12-08T13:27:09.240Z] mkdir: cannot create directory ‘/root’: Permission denied
[2022-12-08T13:27:09.240Z] Exit code 

Steps to Reproduce:

1. Prepare an image with a non-root user
2. Add "remoteUser": "non-root-user,
3. Reopen in container
   ==> Fails with the error above.

Does this issue occur when you try this locally?: No
Does this issue occur when you try this locally and all extensions are disabled?: Yes