error[E0277]: the trait bound `modular_bitfield::private::checks::SevenMod8: modular_bitfield::private::checks::TotalSizeIsMultipleOfEightBits` is not satisfied
  --> $DIR/invalid-specified-as-filled.rs:5:1
   |
5  | pub struct UnfilledBitfield {
   | ^^^ the trait `modular_bitfield::private::checks::TotalSizeIsMultipleOfEightBits` is not implemented for `modular_bitfield::private::checks::SevenMod8`
   |
  ::: $WORKSPACE/src/private/checks.rs
   |
   |     <Self::Size as RenameSizeType>::CheckType: TotalSizeIsMultipleOfEightBits,
   |                                                ------------------------------ required by this bound in `modular_bitfield::private::checks::CheckTotalSizeMultipleOf8`