this derivation will be built:
  /nix/store/bwq9sv3n09wixwqvd60k5zkyfqvjcssl-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/bwq9sv3n09wixwqvd60k5zkyfqvjcssl-bcachefs-module-7.0.0-34-generic.drv'...