this derivation will be built:
  /nix/store/j5g3z5fzvfs9flaxpvgs0b5bvvjqc7d4-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/j5g3z5fzvfs9flaxpvgs0b5bvvjqc7d4-bcachefs-module-7.0.0-27-generic.drv'...