this derivation will be built:
  /nix/store/vkyqmv4v3cqbq4i27whm3hv20r3gywhi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vkyqmv4v3cqbq4i27whm3hv20r3gywhi-bcachefs-module-7.0.0-39-generic.drv'...