message: inline `probe_memoized_value`
diff: @@ -340,9 +340,19 @@ where
  }
  QueryState::Memoized(memo) => {
  - debug!("{:?}: found memoized value", self);
  + debug!(
  + "{:?}: found memoized value, verified_at={:?}, changed_at={:?}",
  + self, memo.verified_at, memo.changed_at,
  + );
  +
  + if let Some(value) = &memo.value {
  + if memo.verified_at == revision_now {
  + let value = StampedValue {
  + durability: memo.durability,
  + changed_at: memo.changed_at,
  + value: value.clone(),
  + };
  - if let Some(value) = memo.probe_memoized_value(revision_now) {
  info!(
  "{:?}: returning memoized value changed at {:?}",
  self, value.changed_at
  @@ -352,6 +362,7 @@ where
  }
  }
  }
  + }
  ProbeState::StaleOrAbsent(state)
  }
  @@ -710,26 +721,6 @@ where
  }
  }
  - /// Returns the memoized value *if* it is known to be update in the given revision.
  - fn probe_memoized_value(&self, revision_now: Revision) -> Option<StampedValue<Q::Value>> {
  - let value = self.value.as_ref()?;
  -
  - debug!(
  - "probe_memoized_value(verified_at={:?}, changed_at={:?})",
  - self.verified_at, self.changed_at,
  - );
  -
  - if self.verified_at == revision_now {
  - return Some(StampedValue {
  - durability: self.durability,
  - changed_at: self.changed_at,
  - value: value.clone(),
  - });
  - }
  -
  - None
  - }
  -
  fn has_untracked_input(&self) -> bool {
  match self.inputs {
  MemoInputs::Untracked => true,
  