this derivation will be built:
  /nix/store/iaw70acfdnqxp2dinmq4qncl86cj58ky-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/iaw70acfdnqxp2dinmq4qncl86cj58ky-bcachefs-module-7.0.0-30-generic.drv'...