this derivation will be built:
  /nix/store/pgszk3xzskfwvr5s278c5pqpb4wlcbgf-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pgszk3xzskfwvr5s278c5pqpb4wlcbgf-bcachefs-module-7.0.0-39-generic.drv'...