this derivation will be built:
  /nix/store/b84qc7sznbkvqri4mnx78hbblgzx5xy1-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/b84qc7sznbkvqri4mnx78hbblgzx5xy1-bcachefs-module-7.0.0-38-generic.drv'...