this derivation will be built:
  /nix/store/2jrcwxrj4y9prssb7phw8zlks9a7cjv6-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/2jrcwxrj4y9prssb7phw8zlks9a7cjv6-bcachefs-module-7.0.0-34-generic.drv'...