this derivation will be built:
  /nix/store/kv9rlbfr0ry5d7d623nsdjy2zqsk7xyi-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/kv9rlbfr0ry5d7d623nsdjy2zqsk7xyi-bcachefs-module-7.0.0-31-generic.drv'...