this derivation will be built:
  /nix/store/p2d8xpspwrwyz42v18654417bn5qpy55-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/p2d8xpspwrwyz42v18654417bn5qpy55-bcachefs-module-7.0.0-38-generic.drv'...