this derivation will be built:
  /nix/store/fk8q4kmj23cb5086rr0dkrnb27jbnx9m-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/fk8q4kmj23cb5086rr0dkrnb27jbnx9m-bcachefs-module-7.0.0-38-generic.drv'...