this derivation will be built:
  /nix/store/853h5crl92zavqph3vfkpzypf0b0b6iz-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/853h5crl92zavqph3vfkpzypf0b0b6iz-bcachefs-module-7.0.0-38-generic.drv'...