this derivation will be built:
  /nix/store/11d2s5r3h0j7bc2dh16v7kv1maslk9zz-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/11d2s5r3h0j7bc2dh16v7kv1maslk9zz-bcachefs-module-7.0.0-27-generic.drv'...