this derivation will be built:
  /nix/store/wd5i3f2x1d5b919qlmdvgg0cbgwm8d9h-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/wd5i3f2x1d5b919qlmdvgg0cbgwm8d9h-bcachefs-module-7.0.0-39-generic.drv'...