this derivation will be built:
  /nix/store/f18ayfr61bfv46fkg5wja5al7a0hix7a-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/f18ayfr61bfv46fkg5wja5al7a0hix7a-bcachefs-module-7.0.0-31-generic.drv'...