this derivation will be built:
  /nix/store/arqghi19313b0yxnf69ajm982d46vi7w-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/arqghi19313b0yxnf69ajm982d46vi7w-bcachefs-module-7.0.0-14-generic.drv'...