this derivation will be built:
  /nix/store/186rzc1smfs454fd982h7r8b6rmcfd3s-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/186rzc1smfs454fd982h7r8b6rmcfd3s-bcachefs-module-7.0.0-30-generic.drv'...