Rollup of 1 pull requests

[Dylan-DPC-zz]

Successful merges:

• Detect errors caused by async block in 2015 edition #71783 (Detect errors caused by async block in 2015 edition)

Failed merges:

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.

========================== Starting Command Output ===========================
[command]/bin/bash --noprofile --norc /home/vsts/work/_temp/de151594-ca62-43f8-a555-e75b7c08d6b2.sh

##[section]Finishing: Disable git automatic line ending conversion
##[section]Starting: Checkout rust-lang/rust@refs/pull/71965/merge to s
Task         : Get sources
Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
Version      : 1.0.0
Author       : Microsoft
---
##[command]git remote add origin https://github.com/rust-lang/rust
##[command]git config gc.auto 0
##[command]git config --get-all http.https://github.com/rust-lang/rust.extraheader
##[command]git config --get-all http.proxy
##[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/71965/merge:refs/remotes/pull/71965/merge
fatal: couldn't find remote ref refs/pull/71965/merge
##[warning]Git fetch failed with exit code 128, back off 1.975 seconds before retry.
##[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/71965/merge:refs/remotes/pull/71965/merge
fatal: couldn't find remote ref refs/pull/71965/merge
##[warning]Git fetch failed with exit code 128, back off 3.703 seconds before retry.
##[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/71965/merge:refs/remotes/pull/71965/merge
fatal: couldn't find remote ref refs/pull/71965/merge
##[error]Git fetch failed with exit code: 128
##[section]Finishing: Checkout rust-lang/rust@refs/pull/71965/merge to s
##[section]Starting: Checkout rust-lang/rust@refs/pull/71965/merge to s
Task         : Get sources
Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
Version      : 1.0.0
Author       : Microsoft
Author       : Microsoft
Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
==============================================================================
##[section]Finishing: Checkout rust-lang/rust@refs/pull/71965/merge to s
Cleaning up task key
Start cleaning up orphan processes.
##[section]Finishing: Finalize Job
##[section]Finishing: Linux x86_64-gnu-tools

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