message: Adjust shadowed names around div_ceil
diff: @@ -65,8 +65,8 @@ fn from_inexact_bitwise_digits_le(v: &[u8], bits: u8) -> BigUint {
  debug_assert!(!v.is_empty() && bits <= 8 && big_digit::BITS % bits != 0);
  debug_assert!(v.iter().all(|&c| BigDigit::from(c) < (1 << bits)));
  - let big_digits = (v.len() as u64).saturating_mul(bits.into());
  - let big_digits = Integer::div_ceil(&big_digits, &big_digit::BITS.into())
  + let total_bits = (v.len() as u64).saturating_mul(bits.into());
  + let big_digits = Integer::div_ceil(&total_bits, &big_digit::BITS.into())
  .to_usize()
  .unwrap_or(core::usize::MAX);
  let mut data = Vec::with_capacity(big_digits);
  @@ -579,8 +579,7 @@ pub(super) fn to_bitwise_digits_le(u: &BigUint, bits: u8) -> Vec<u8> {
  let last_i = u.data.len() - 1;
  let mask: BigDigit = (1 << bits) - 1;
  let digits_per_big_digit = big_digit::BITS / bits;
  - let digits = u.bits();
  - let digits = Integer::div_ceil(&digits, &u64::from(bits))
  + let digits = Integer::div_ceil(&u.bits(), &u64::from(bits))
  .to_usize()
  .unwrap_or(core::usize::MAX);
  let mut res = Vec::with_capacity(digits);
  @@ -606,8 +605,7 @@ fn to_inexact_bitwise_digits_le(u: &BigUint, bits: u8) -> Vec<u8> {
  debug_assert!(!u.is_zero() && bits <= 8 && big_digit::BITS % bits != 0);
  let mask: BigDigit = (1 << bits) - 1;
  - let digits = u.bits();
  - let digits = Integer::div_ceil(&digits, &u64::from(bits))
  + let digits = Integer::div_ceil(&u.bits(), &u64::from(bits))
  .to_usize()
  .unwrap_or(core::usize::MAX);
  let mut res = Vec::with_capacity(digits);
  