2026-02-12T23:20:01.8466935Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/124356/merge to s
2026-02-12T23:20:01.8576766Z ==============================================================================
2026-02-12T23:20:01.8577900Z Task         : Get sources
2026-02-12T23:20:01.8578399Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-02-12T23:20:01.8578608Z Version      : 1.0.0
2026-02-12T23:20:01.8578998Z Author       : Microsoft
2026-02-12T23:20:01.8579563Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-02-12T23:20:01.8579748Z ==============================================================================
2026-02-12T23:20:03.0057636Z Syncing repository: dotnet/runtime (GitHub)
2026-02-12T23:20:03.0062914Z ##[command]git version
2026-02-12T23:20:03.0068251Z git version 2.52.0
2026-02-12T23:20:03.0068851Z ##[command]git lfs version
2026-02-12T23:20:03.8749054Z git-lfs/3.0.2 (GitHub; linux amd64; go 1.18.1)
2026-02-12T23:20:03.8897885Z ##[command]git init "/mnt/vss/_work/1/s"
2026-02-12T23:20:03.9806563Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-02-12T23:20:03.9807170Z hint: will change to "main" in Git 3.0. To configure the initial branch name
2026-02-12T23:20:03.9807536Z hint: to use in all of your new repositories, which will suppress this warning,
2026-02-12T23:20:03.9807861Z hint: call:
2026-02-12T23:20:03.9808102Z hint:
2026-02-12T23:20:03.9808444Z hint: 	git config --global init.defaultBranch <name>
2026-02-12T23:20:03.9808792Z hint:
2026-02-12T23:20:03.9809136Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-02-12T23:20:03.9809555Z hint: 'development'. The just-created branch can be renamed via this command:
2026-02-12T23:20:03.9809907Z hint:
2026-02-12T23:20:03.9810159Z hint: 	git branch -m <name>
2026-02-12T23:20:03.9810457Z hint:
2026-02-12T23:20:03.9810837Z hint: Disable this message with "git config set advice.defaultBranchName false"
2026-02-12T23:20:03.9896866Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-02-12T23:20:03.9910400Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-02-12T23:20:04.0090722Z ##[command]git sparse-checkout disable
2026-02-12T23:20:04.0255806Z ##[command]git config gc.auto 0
2026-02-12T23:20:04.0302138Z ##[command]git config core.longpaths true
2026-02-12T23:20:04.0328643Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-02-12T23:20:04.0366764Z ##[command]git config --get-all http.extraheader
2026-02-12T23:20:04.0402089Z ##[command]git config --get-regexp .*extraheader
2026-02-12T23:20:04.0432076Z ##[command]git config --get-all http.proxy
2026-02-12T23:20:04.0462626Z ##[command]git config http.version HTTP/1.1
2026-02-12T23:20:04.0508301Z ##[command]git config --get-all remote.origin.promisor
2026-02-12T23:20:04.0538942Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-02-12T23:20:04.0586683Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/124356/merge:refs/remotes/pull/124356/merge
2026-02-12T23:20:04.6383544Z fatal: couldn't find remote ref refs/pull/124356/merge
2026-02-12T23:20:05.4993629Z ##[warning]Git fetch failed with exit code 128, back off 4.538 seconds before retry.
2026-02-12T23:20:09.1873957Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/124356/merge:refs/remotes/pull/124356/merge
2026-02-12T23:20:09.6623611Z fatal: couldn't find remote ref refs/pull/124356/merge
2026-02-12T23:20:10.5692328Z ##[warning]Git fetch failed with exit code 128, back off 1.394 seconds before retry.
2026-02-12T23:20:11.0610559Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/124356/merge:refs/remotes/pull/124356/merge
2026-02-12T23:20:11.5195442Z fatal: couldn't find remote ref refs/pull/124356/merge
2026-02-12T23:20:12.2678281Z ##[error]Git fetch failed with exit code: 128
2026-02-12T23:20:12.2718457Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/124356/merge to s