Rollup of 6 pull requests

[Centril]

Successful merges:

• Include message on tests that should panic but do not #64745 (Include message on tests that should panic but do not)
• Remove stray references to the old global tcx #64781 (Remove stray references to the old global tcx)
• Fix format macro expansions spans to be macro-generated #64793 (Fix format macro expansions spans to be macro-generated)
• Fix double panic when printing query stack during an ICE #64799 (Fix double panic when printing query stack during an ICE)
• Fix div_duration() marked as stable by mistake #64815 (Fix div_duration() marked as stable by mistake)
• update rtpSpawn's parameters type(It's prototype has been updated in libc) #64818 (update rtpSpawn's parameters type(It's prototype has been updated in libc))

Failed merges:

• Rename *.node to *.kind, and hair::Pattern* to hair::Pat* #64813 (Rename *.node to *.kind, and hair::Pattern* to hair::Pat*)

r? @ghost

[rust-highfive]

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.

2019-09-27T06:08:14.4315029Z ##[command]git remote add origin https://github.com/rust-lang/rust
2019-09-27T06:08:14.4532957Z ##[command]git config gc.auto 0
2019-09-27T06:08:14.4619167Z ##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
2019-09-27T06:08:14.4679281Z ##[command]git config --get-all http.proxy
2019-09-27T06:08:14.4826324Z ##[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/64831/merge:refs/remotes/pull/64831/merge
2019-09-27T06:08:15.2725034Z fatal: couldn't find remote ref refs/pull/64831/merge
2019-09-27T06:08:15.3984228Z ##[warning]Git fetch failed with exit code 128, back off 8.481 seconds before retry.
2019-09-27T06:08:23.7890099Z ##[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/64831/merge:refs/remotes/pull/64831/merge
2019-09-27T06:08:24.3896457Z fatal: couldn't find remote ref refs/pull/64831/merge
2019-09-27T06:08:24.4398297Z ##[warning]Git fetch failed with exit code 128, back off 7.054 seconds before retry.
2019-09-27T06:08:31.4461462Z ##[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/64831/merge:refs/remotes/pull/64831/merge
2019-09-27T06:08:32.0419097Z fatal: couldn't find remote ref refs/pull/64831/merge
2019-09-27T06:08:32.1018502Z ##[error]Git fetch failed with exit code: 128
2019-09-27T06:08:32.1319493Z ##[section]Starting: Checkout
2019-09-27T06:08:32.1321092Z ==============================================================================
2019-09-27T06:08:32.1321155Z Task         : Get sources
2019-09-27T06:08:32.1321193Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.

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