this derivation will be built:
  /nix/store/pq3ls4zhh4gv6cs5d37ds185q27l6hm9-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pq3ls4zhh4gv6cs5d37ds185q27l6hm9-bcachefs-module-7.0.0-39-generic.drv'...