this derivation will be built:
  /nix/store/q3695707snrklzqdfbhs5h98yvzq065p-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/q3695707snrklzqdfbhs5h98yvzq065p-bcachefs-module-7.0.0-31-generic-64k.drv'...