2026-02-14T08:26:56.1497609Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/124407/merge to s
2026-02-14T08:26:56.1585605Z ==============================================================================
2026-02-14T08:26:56.1586309Z Task         : Get sources
2026-02-14T08:26:56.1586527Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-02-14T08:26:56.1586646Z Version      : 1.0.0
2026-02-14T08:26:56.1586815Z Author       : Microsoft
2026-02-14T08:26:56.1587085Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-02-14T08:26:56.1587193Z ==============================================================================
2026-02-14T08:26:57.4905786Z Syncing repository: dotnet/runtime (GitHub)
2026-02-14T08:26:57.4911520Z ##[command]git version
2026-02-14T08:26:57.4917263Z git version 2.52.0
2026-02-14T08:26:57.4917965Z ##[command]git lfs version
2026-02-14T08:26:58.1386197Z git-lfs/3.0.2 (GitHub; linux amd64; go 1.18.1)
2026-02-14T08:26:58.1558896Z ##[command]git init "/mnt/vss/_work/1/s"
2026-02-14T08:26:58.2712596Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-02-14T08:26:58.2713096Z hint: will change to "main" in Git 3.0. To configure the initial branch name
2026-02-14T08:26:58.2713446Z hint: to use in all of your new repositories, which will suppress this warning,
2026-02-14T08:26:58.2713742Z hint: call:
2026-02-14T08:26:58.2713954Z hint:
2026-02-14T08:26:58.2714264Z hint: 	git config --global init.defaultBranch <name>
2026-02-14T08:26:58.2714546Z hint:
2026-02-14T08:26:58.2714833Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-02-14T08:26:58.2715192Z hint: 'development'. The just-created branch can be renamed via this command:
2026-02-14T08:26:58.2715474Z hint:
2026-02-14T08:26:58.2715701Z hint: 	git branch -m <name>
2026-02-14T08:26:58.2715923Z hint:
2026-02-14T08:26:58.2716212Z hint: Disable this message with "git config set advice.defaultBranchName false"
2026-02-14T08:26:58.2812423Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-02-14T08:26:58.2832615Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-02-14T08:26:58.3000057Z ##[command]git sparse-checkout disable
2026-02-14T08:26:58.3164297Z ##[command]git config gc.auto 0
2026-02-14T08:26:58.3212622Z ##[command]git config core.longpaths true
2026-02-14T08:26:58.3241371Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-02-14T08:26:58.3279885Z ##[command]git config --get-all http.extraheader
2026-02-14T08:26:58.3316557Z ##[command]git config --get-regexp .*extraheader
2026-02-14T08:26:58.3346971Z ##[command]git config --get-all http.proxy
2026-02-14T08:26:58.3379403Z ##[command]git config http.version HTTP/1.1
2026-02-14T08:26:58.3419553Z ##[command]git config --get-all remote.origin.promisor
2026-02-14T08:26:58.3473448Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-02-14T08:26:58.3506775Z ##[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/124407/merge:refs/remotes/pull/124407/merge
2026-02-14T08:26:59.0963709Z fatal: couldn't find remote ref refs/pull/124407/merge
2026-02-14T08:26:59.8708356Z ##[warning]Git fetch failed with exit code 128, back off 7.912 seconds before retry.
2026-02-14T08:27:07.0188118Z ##[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/124407/merge:refs/remotes/pull/124407/merge
2026-02-14T08:27:07.3224356Z fatal: couldn't find remote ref refs/pull/124407/merge
2026-02-14T08:27:08.1145419Z ##[warning]Git fetch failed with exit code 128, back off 2.495 seconds before retry.
2026-02-14T08:27:09.8221762Z ##[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/124407/merge:refs/remotes/pull/124407/merge
2026-02-14T08:27:10.1178584Z fatal: couldn't find remote ref refs/pull/124407/merge
2026-02-14T08:27:11.2091830Z ##[error]Git fetch failed with exit code: 128
2026-02-14T08:27:11.2131173Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/124407/merge to s