this derivation will be built:
  /nix/store/ahb3kxffpqf4j0yfbr6ikbflq5q65g35-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ahb3kxffpqf4j0yfbr6ikbflq5q65g35-bcachefs-module-7.0.0-39-generic.drv'...