Summary
The codespace fails to create and starts in recovery mode.
How to reproduce
- Use the template mechanism to create your own copy of the repo
- Ensure you are signed in to github for the new repo.
- Click on codespace | create codespace
- See error
Additional context
The creation log contains this:
first sign of a problem
2026-03-02 12:28:12.429Z: #12 3.011 E: Failed to fetch https://packages.microsoft.com/repos/azure-cli/dists/noble/InRelease 403 Forbidden [IP: 13.107.213.67 443]
12 3.011 E: The repository 'https://packages.microsoft.com/repos/azure-cli noble InRelease' is not signed.
ERROR entry
2026-03-02 12:29:34.057Z: 13 10.13 W: GPG error: https://packages.microsoft.com/repos/microsoft-ubuntu-noble-prod noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EB3E94ADBE1229CF
13 10.13 E: The repository 'https://packages.microsoft.com/repos/microsoft-ubuntu-noble-prod noble InRelease' is not signed.
13 10.13 ERROR: Feature "Docker (Docker-in-Docker)" (ghcr.io/devcontainers/features/docker-in-docker) failed to install! Look at the documentation at ********/devcontainers/features/tree/main/src/docker-in-docker for help troubleshooting this error.
13 ERROR: process "/bin/sh -c cp -ar /tmp/build-features-src/docker-in-docker_1 /tmp/dev-container-features && chmod -R 0755 /tmp/dev-container-features/docker-in-docker_1 && cd /tmp/dev-container-features/docker-in-docker_1 && chmod +x ./devcontainer-features-install.sh && ./devcontainer-features-install.sh && rm -rf /tmp/dev-container-features/docker-in-docker_1" did not complete successfully: exit code: 100
Summary
The codespace fails to create and starts in recovery mode.
How to reproduce
Additional context
The creation log contains this:
first sign of a problem
2026-03-02 12:28:12.429Z: #12 3.011 E: Failed to fetch https://packages.microsoft.com/repos/azure-cli/dists/noble/InRelease 403 Forbidden [IP: 13.107.213.67 443]
12 3.011 E: The repository 'https://packages.microsoft.com/repos/azure-cli noble InRelease' is not signed.
ERROR entry
2026-03-02 12:29:34.057Z: 13 10.13 W: GPG error: https://packages.microsoft.com/repos/microsoft-ubuntu-noble-prod noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EB3E94ADBE1229CF
13 10.13 E: The repository 'https://packages.microsoft.com/repos/microsoft-ubuntu-noble-prod noble InRelease' is not signed.
13 10.13 ERROR: Feature "Docker (Docker-in-Docker)" (ghcr.io/devcontainers/features/docker-in-docker) failed to install! Look at the documentation at ********/devcontainers/features/tree/main/src/docker-in-docker for help troubleshooting this error.
13 ERROR: process "/bin/sh -c cp -ar /tmp/build-features-src/docker-in-docker_1 /tmp/dev-container-features && chmod -R 0755 /tmp/dev-container-features/docker-in-docker_1 && cd /tmp/dev-container-features/docker-in-docker_1 && chmod +x ./devcontainer-features-install.sh && ./devcontainer-features-install.sh && rm -rf /tmp/dev-container-features/docker-in-docker_1" did not complete successfully: exit code: 100