this derivation will be built:
  /nix/store/8igwbgg107hdvaww1jnfl0gm8g7hmy3v-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/8igwbgg107hdvaww1jnfl0gm8g7hmy3v-bcachefs-module-7.0.0-38-generic.drv'...