this derivation will be built:
  /nix/store/bl43xghsda2xzkikfz6zg5as7a1jw4wz-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/bl43xghsda2xzkikfz6zg5as7a1jw4wz-bcachefs-module-7.0.0-31-generic.drv'...