this derivation will be built:
  /nix/store/fbl987r16lqy2h4kj2d41rf3mk355zkd-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/fbl987r16lqy2h4kj2d41rf3mk355zkd-bcachefs-module-7.0.0-27-generic.drv'...