this derivation will be built:
  /nix/store/al7f2j0jjr3nxa279x1kz8s5r0ny1b9y-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/al7f2j0jjr3nxa279x1kz8s5r0ny1b9y-bcachefs-module-7.0.0-29-generic.drv'...