this derivation will be built:
  /nix/store/8g1ykph4vljnxs5l5qn6ixbwjly71bj3-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/8g1ykph4vljnxs5l5qn6ixbwjly71bj3-bcachefs-module-7.0.0-34-generic.drv'...