this derivation will be built:
  /nix/store/6947dgjljv3r0s3h9b9flq7syj2zfwmw-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/6947dgjljv3r0s3h9b9flq7syj2zfwmw-bcachefs-module-7.0.0-29-generic.drv'...