this derivation will be built:
  /nix/store/4gncf17dx0nix6d4jzc5bwa932vwvrxm-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/4gncf17dx0nix6d4jzc5bwa932vwvrxm-bcachefs-module-7.0.0-39-generic.drv'...