this derivation will be built:
  /nix/store/lxchazpa4mb5kjclmalv8b9i1027zh8q-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/lxchazpa4mb5kjclmalv8b9i1027zh8q-bcachefs-module-7.0.0-39-generic.drv'...