Use a query to get parent modules

[Zoxc]

Split out from #69015 / #68944.

r? @michaelwoerister

[rust-highfive]

The job mingw-check of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

2020-02-22T18:58:08.0800073Z ========================== Starting Command Output ===========================
2020-02-22T18:58:08.0802714Z [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/8415089e-1344-4fdb-bc36-7e9f49265364.sh
2020-02-22T18:58:08.0802930Z 
2020-02-22T18:58:08.0806237Z ##[section]Finishing: Disable git automatic line ending conversion
2020-02-22T18:58:08.0825676Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/69380/merge to s
2020-02-22T18:58:08.0829177Z Task         : Get sources
2020-02-22T18:58:08.0829510Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-02-22T18:58:08.0829758Z Version      : 1.0.0
2020-02-22T18:58:08.0829926Z Author       : Microsoft
---
2020-02-22T18:58:09.1061735Z ##[command]git remote add origin https://github.com/rust-lang/rust
2020-02-22T18:58:09.1065845Z ##[command]git config gc.auto 0
2020-02-22T18:58:09.1068627Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2020-02-22T18:58:09.1071292Z ##[command]git config --get-all http.proxy
2020-02-22T18:58:09.1077370Z ##[command]git -c http.extraheader="AUTHORIZATION: basic ***" fetch --force --tags --prune --progress --no-recurse-submodules --depth=2 origin +refs/heads/*:refs/remotes/origin/* +refs/pull/69380/merge:refs/remotes/pull/69380/merge
---
2020-02-22T19:07:17.2043551Z     Checking rustdoc v0.0.0 (/checkout/src/librustdoc)
2020-02-22T19:07:19.8878647Z error[E0308]: mismatched types
2020-02-22T19:07:19.8879694Z    --> src/librustdoc/passes/collect_intra_doc_links.rs:352:29
2020-02-22T19:07:19.8880621Z     |
2020-02-22T19:07:19.8881456Z 352 |                 id if id != hir_id => Some(self.cx.as_local_hir_id(id).unwrap()),
2020-02-22T19:07:19.8882614Z     |                             ^^^^^^ expected struct `rustc_hir::def_id::DefId`, found struct `rustc_hir::HirId`
2020-02-22T19:07:20.0773844Z error: aborting due to previous error
2020-02-22T19:07:20.0774319Z 
2020-02-22T19:07:20.0774801Z For more information about this error, try `rustc --explain E0308`.
2020-02-22T19:07:20.0892182Z error: could not compile `rustdoc`.
---
2020-02-22T19:07:20.1001906Z   local time: Sat Feb 22 19:07:20 UTC 2020
2020-02-22T19:07:20.2524880Z   network time: Sat, 22 Feb 2020 19:07:20 GMT
2020-02-22T19:07:20.2528477Z == end clock drift check ==
2020-02-22T19:07:20.7676029Z 
2020-02-22T19:07:20.7739554Z ##[error]Bash exited with code '1'.
2020-02-22T19:07:20.7764253Z ##[section]Finishing: Run build
2020-02-22T19:07:20.7803097Z ##[section]Starting: Checkout rust-lang/rust@refs/pull/69380/merge to s
2020-02-22T19:07:20.7807719Z Task         : Get sources
2020-02-22T19:07:20.7808006Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2020-02-22T19:07:20.7808289Z Version      : 1.0.0
2020-02-22T19:07:20.7808472Z Author       : Microsoft
2020-02-22T19:07:20.7808472Z Author       : Microsoft
2020-02-22T19:07:20.7808768Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2020-02-22T19:07:20.7809127Z ==============================================================================
2020-02-22T19:07:21.0780290Z Cleaning any cached credential from repository: rust-lang/rust (GitHub)
2020-02-22T19:07:21.0820140Z ##[section]Finishing: Checkout rust-lang/rust@refs/pull/69380/merge to s
2020-02-22T19:07:21.0906678Z Cleaning up task key
2020-02-22T19:07:21.0907937Z Start cleaning up orphan processes.
2020-02-22T19:07:21.1060736Z Terminate orphan process: pid (6059) (python)
2020-02-22T19:07:21.1198583Z ##[section]Finishing: Finalize Job

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

[michaelwoerister]

Looks good, thank you!

@bors r+

[bors]

📌 Commit 1ade97a3b00de1ce5ae91739e3735439323af95e has been approved by michaelwoerister

[bors]

☔ The latest upstream changes (presumably #69555) made this pull request unmergeable. Please resolve the merge conflicts.

[Zoxc]

@bors r=michaelwoerister

[bors]

📌 Commit 98251d8 has been approved by michaelwoerister

[bors]

⌛ Testing commit 98251d8 with merge 360e42d...

[bors]

☀️ Test successful - checks-azure
Approved by: michaelwoerister
Pushing 360e42d to master...