message: New error message with issue link
diff: @@ -194,8 +194,9 @@ impl<'cfg> PackageRegistry<'cfg> {
  let summary = match summaries.next() {
  Some(summary) => summary,
  None => {
  - bail!("patch for `{}` in `{}` did not resolve to any crates. Your patched \
  - dependency may conflict with the version in Cargo.lock.",
  + bail!("patch for `{}` in `{}` did not resolve to any crates. If this is \
  + unexpected, you may wish to consult: \
  + https://github.com/rust-lang/cargo/issues/4678",
  dep.name(), url)
  }
  };
  