this derivation will be built:
  /nix/store/l4l91nw18kbjvds1f4j689miwjpr3rpj-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/l4l91nw18kbjvds1f4j689miwjpr3rpj-bcachefs-module-7.0.0-28-generic.drv'...