this derivation will be built:
  /nix/store/g23s3n4isj7dqwn3yp809ivc06fmx83v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/g23s3n4isj7dqwn3yp809ivc06fmx83v-bcachefs-module-7.0.0-39-generic.drv'...