this derivation will be built:
  /nix/store/1ax6v1df1hx2qfhq496a9lrmrzzxmw0q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/1ax6v1df1hx2qfhq496a9lrmrzzxmw0q-bcachefs-module-7.0.0-38-generic.drv'...