2026-03-05T10:35:01.7464062Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/125029/merge to s
2026-03-05T10:35:01.7549672Z ==============================================================================
2026-03-05T10:35:01.7550629Z Task         : Get sources
2026-03-05T10:35:01.7550894Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-03-05T10:35:01.7551002Z Version      : 1.0.0
2026-03-05T10:35:01.7551171Z Author       : Microsoft
2026-03-05T10:35:01.7551428Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-03-05T10:35:01.7551523Z ==============================================================================
2026-03-05T10:35:03.0003197Z Syncing repository: dotnet/runtime (GitHub)
2026-03-05T10:35:03.0007763Z ##[command]git version
2026-03-05T10:35:03.0012394Z git version 2.45.4
2026-03-05T10:35:03.0013575Z ##[command]git init "/mnt/vss/_work/1/s"
2026-03-05T10:35:03.0017385Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-03-05T10:35:03.0017611Z hint: is subject to change. To configure the initial branch name to use in all
2026-03-05T10:35:03.0018015Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-03-05T10:35:03.0018184Z hint: of your new repositories, which will suppress this warning, call:
2026-03-05T10:35:03.0018337Z hint:
2026-03-05T10:35:03.0018499Z hint: 	git config --global init.defaultBranch <name>
2026-03-05T10:35:03.0018638Z hint:
2026-03-05T10:35:03.0018786Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-03-05T10:35:03.0018969Z hint: 'development'. The just-created branch can be renamed via this command:
2026-03-05T10:35:03.0019328Z hint:
2026-03-05T10:35:03.0019669Z hint: 	git branch -m <name>
2026-03-05T10:35:03.0020251Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-03-05T10:35:03.0025352Z ##[command]git sparse-checkout disable
2026-03-05T10:35:03.0033144Z ##[command]git config gc.auto 0
2026-03-05T10:35:03.0037991Z ##[command]git config core.longpaths true
2026-03-05T10:35:03.0041958Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-03-05T10:35:03.0047702Z ##[command]git config --get-all http.extraheader
2026-03-05T10:35:03.0052503Z ##[command]git config --get-regexp .*extraheader
2026-03-05T10:35:03.0057290Z ##[command]git config --get-all http.proxy
2026-03-05T10:35:03.0062089Z ##[command]git config http.version HTTP/1.1
2026-03-05T10:35:03.0071199Z ##[command]git config --get-all remote.origin.promisor
2026-03-05T10:35:03.0076140Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-03-05T10:35:03.0083388Z ##[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/125029/merge:refs/remotes/pull/125029/merge
2026-03-05T10:35:03.0087553Z fatal: couldn't find remote ref refs/pull/125029/merge
2026-03-05T10:35:03.7656660Z ##[warning]Git fetch failed with exit code 128, back off 2.617 seconds before retry.
2026-03-05T10:35:05.3395523Z ##[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/125029/merge:refs/remotes/pull/125029/merge
2026-03-05T10:35:05.6622944Z fatal: couldn't find remote ref refs/pull/125029/merge
2026-03-05T10:35:06.7753601Z ##[warning]Git fetch failed with exit code 128, back off 7.235 seconds before retry.
2026-03-05T10:35:12.9045482Z ##[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/125029/merge:refs/remotes/pull/125029/merge
2026-03-05T10:35:13.2296076Z fatal: couldn't find remote ref refs/pull/125029/merge
2026-03-05T10:35:13.9645450Z ##[error]Git fetch failed with exit code: 128
2026-03-05T10:35:13.9686518Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/125029/merge to s