this derivation will be built:
  /nix/store/a8syjvvz09hp4i0l06zlksxyciqn8vpp-repo-no-dead-component-names-test.drv
building '/nix/store/a8syjvvz09hp4i0l06zlksxyciqn8vpp-repo-no-dead-component-names-test.drv'
repo-no-dead-component-names-test> stale exemption (path gone): docs/migration-hermes.md
error: Cannot build '/nix/store/a8syjvvz09hp4i0l06zlksxyciqn8vpp-repo-no-dead-component-names-test.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xdzy037zjy0j0bgz4xvi95vwwmv4g62f-repo-no-dead-component-names-test
       Last 1 log lines:
       > stale exemption (path gone): docs/migration-hermes.md
       For full logs, run:
         nix log /nix/store/a8syjvvz09hp4i0l06zlksxyciqn8vpp-repo-no-dead-component-names-test.drv