Fix some rustdoc links
@nickm Assigning you reviewer solely because you did the recent cleanup of the error type and I wanted you to check that it is right to be vague in the docs about the NoLock error, rather than exposing and documenting it.
@nickm Assigning you reviewer solely because you did the recent cleanup of the error type and I wanted you to check that it is right to be vague in the docs about the NoLock error, rather than exposing and documenting it.