this derivation will be built:
  /nix/store/864qhgk6878j9q2fl38a3cvh4877my02-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/864qhgk6878j9q2fl38a3cvh4877my02-bcachefs-module-7.0.0-29-generic.drv'...