2026-03-08T17:35:27.5804720Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/125303/merge to s
2026-03-08T17:35:27.5888010Z ==============================================================================
2026-03-08T17:35:27.5888804Z Task         : Get sources
2026-03-08T17:35:27.5889055Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-03-08T17:35:27.5889184Z Version      : 1.0.0
2026-03-08T17:35:27.5889364Z Author       : Microsoft
2026-03-08T17:35:27.5889626Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-03-08T17:35:27.5889721Z ==============================================================================
2026-03-08T17:35:29.0007736Z Syncing repository: dotnet/runtime (GitHub)
2026-03-08T17:35:29.0012677Z ##[command]git version
2026-03-08T17:35:29.0017920Z git version 2.45.4
2026-03-08T17:35:29.0019214Z ##[command]git init "/mnt/vss/_work/1/s"
2026-03-08T17:35:29.0023583Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-03-08T17:35:29.0023823Z hint: is subject to change. To configure the initial branch name to use in all
2026-03-08T17:35:29.0024032Z hint: of your new repositories, which will suppress this warning, call:
2026-03-08T17:35:29.0024199Z hint:
2026-03-08T17:35:29.0024377Z hint: 	git config --global init.defaultBranch <name>
2026-03-08T17:35:29.0024532Z hint:
2026-03-08T17:35:29.0024692Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-03-08T17:35:29.0024886Z hint: 'development'. The just-created branch can be renamed via this command:
2026-03-08T17:35:29.0025054Z hint:
2026-03-08T17:35:29.0025192Z hint: 	git branch -m <name>
2026-03-08T17:35:29.0025816Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-03-08T17:35:29.0026684Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-03-08T17:35:29.0031862Z ##[command]git sparse-checkout disable
2026-03-08T17:35:29.0040071Z ##[command]git config gc.auto 0
2026-03-08T17:35:29.0045250Z ##[command]git config core.longpaths true
2026-03-08T17:35:29.0049524Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-03-08T17:35:29.0055631Z ##[command]git config --get-all http.extraheader
2026-03-08T17:35:29.0061068Z ##[command]git config --get-regexp .*extraheader
2026-03-08T17:35:29.0066230Z ##[command]git config --get-all http.proxy
2026-03-08T17:35:29.0071347Z ##[command]git config http.version HTTP/1.1
2026-03-08T17:35:29.0079923Z ##[command]git config --get-all remote.origin.promisor
2026-03-08T17:35:29.0088013Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-03-08T17:35:29.0094974Z ##[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/125303/merge:refs/remotes/pull/125303/merge
2026-03-08T17:35:29.0569451Z fatal: couldn't find remote ref refs/pull/125303/merge
2026-03-08T17:35:30.0121097Z ##[warning]Git fetch failed with exit code 128, back off 8.77 seconds before retry.
2026-03-08T17:35:37.8363565Z ##[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/125303/merge:refs/remotes/pull/125303/merge
2026-03-08T17:35:38.1442158Z fatal: couldn't find remote ref refs/pull/125303/merge
2026-03-08T17:35:39.1912170Z ##[warning]Git fetch failed with exit code 128, back off 2.445 seconds before retry.
2026-03-08T17:35:40.5944226Z ##[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/125303/merge:refs/remotes/pull/125303/merge
2026-03-08T17:35:40.9042341Z fatal: couldn't find remote ref refs/pull/125303/merge
2026-03-08T17:35:41.5823479Z ##[error]Git fetch failed with exit code: 128
2026-03-08T17:35:41.5865047Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/125303/merge to s