this derivation will be built:
  /nix/store/y4pp5dbp63pdakd7iccc8p34nghhsiqr-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y4pp5dbp63pdakd7iccc8p34nghhsiqr-bcachefs-module-7.0.0-39-generic.drv'...