this derivation will be built:
  /nix/store/v7rn7w26bdxnbpjh4m4sgqp122w31jw9-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/v7rn7w26bdxnbpjh4m4sgqp122w31jw9-bcachefs-module-7.0.0-14-generic.drv'...