this derivation will be built:
  /nix/store/85hb8vwvqj0j6iz99348crcq2nhhjn2f-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/85hb8vwvqj0j6iz99348crcq2nhhjn2f-bcachefs-module-7.0.0-39-generic.drv'...