this derivation will be built:
  /nix/store/d76af39jvjv4vrnq3bmff7jbqncavkb2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/d76af39jvjv4vrnq3bmff7jbqncavkb2-bcachefs-module-7.0.0-38-generic.drv'...