2026-03-09T13:22:11.7989604Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/125309/merge to s
2026-03-09T13:22:11.8074116Z ==============================================================================
2026-03-09T13:22:11.8074944Z Task         : Get sources
2026-03-09T13:22:11.8075165Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-03-09T13:22:11.8075287Z Version      : 1.0.0
2026-03-09T13:22:11.8075452Z Author       : Microsoft
2026-03-09T13:22:11.8075690Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-03-09T13:22:11.8075792Z ==============================================================================
2026-03-09T13:22:12.7723039Z Syncing repository: dotnet/runtime (GitHub)
2026-03-09T13:22:12.7727558Z ##[command]git version
2026-03-09T13:22:12.7732288Z git version 2.45.4
2026-03-09T13:22:12.7733471Z ##[command]git init "/mnt/vss/_work/1/s"
2026-03-09T13:22:12.7737820Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-03-09T13:22:12.7738047Z hint: is subject to change. To configure the initial branch name to use in all
2026-03-09T13:22:12.7738236Z hint: of your new repositories, which will suppress this warning, call:
2026-03-09T13:22:12.7738384Z hint:
2026-03-09T13:22:12.7738547Z hint: 	git config --global init.defaultBranch <name>
2026-03-09T13:22:12.7738686Z hint:
2026-03-09T13:22:12.7738840Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-03-09T13:22:12.7739022Z hint: 'development'. The just-created branch can be renamed via this command:
2026-03-09T13:22:12.7739170Z hint:
2026-03-09T13:22:12.7739291Z hint: 	git branch -m <name>
2026-03-09T13:22:12.7739445Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-03-09T13:22:12.7740711Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-03-09T13:22:12.7745694Z ##[command]git sparse-checkout disable
2026-03-09T13:22:12.7754049Z ##[command]git config gc.auto 0
2026-03-09T13:22:12.7758796Z ##[command]git config core.longpaths true
2026-03-09T13:22:12.7762735Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-03-09T13:22:12.7768345Z ##[command]git config --get-all http.extraheader
2026-03-09T13:22:12.7773059Z ##[command]git config --get-regexp .*extraheader
2026-03-09T13:22:12.7778083Z ##[command]git config --get-all http.proxy
2026-03-09T13:22:12.7782882Z ##[command]git config http.version HTTP/1.1
2026-03-09T13:22:12.7790782Z ##[command]git config --get-all remote.origin.promisor
2026-03-09T13:22:12.7795656Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-03-09T13:22:12.7802070Z ##[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/125309/merge:refs/remotes/pull/125309/merge
2026-03-09T13:22:13.0118016Z fatal: couldn't find remote ref refs/pull/125309/merge
2026-03-09T13:22:13.8255805Z ##[warning]Git fetch failed with exit code 128, back off 8.516 seconds before retry.
2026-03-09T13:22:21.5322768Z ##[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/125309/merge:refs/remotes/pull/125309/merge
2026-03-09T13:22:21.8467709Z fatal: couldn't find remote ref refs/pull/125309/merge
2026-03-09T13:22:22.8981268Z ##[warning]Git fetch failed with exit code 128, back off 7.099 seconds before retry.
2026-03-09T13:22:28.9512870Z ##[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/125309/merge:refs/remotes/pull/125309/merge
2026-03-09T13:22:29.2377420Z fatal: couldn't find remote ref refs/pull/125309/merge
2026-03-09T13:22:30.5166835Z ##[error]Git fetch failed with exit code: 128
2026-03-09T13:22:30.5212769Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/125309/merge to s