this derivation will be built:
  /nix/store/9pfb959d1plk08swbsz0zyqshkv9dpgq-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/9pfb959d1plk08swbsz0zyqshkv9dpgq-bcachefs-module-7.0.0-29-generic.drv'...