this derivation will be built:
  /nix/store/k4914s4lw4rb7xpfgkhx2i08d515bi9p-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/k4914s4lw4rb7xpfgkhx2i08d515bi9p-bcachefs-module-7.0.0-38-generic.drv'...