this derivation will be built:
  /nix/store/40713xy7nxpz72ffgvs81k5qy0d95jq5-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/40713xy7nxpz72ffgvs81k5qy0d95jq5-bcachefs-module-7.0.0-38-generic.drv'...