2026-02-12T07:08:55.4972740Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/124246/merge to s
2026-02-12T07:08:55.5055934Z ==============================================================================
2026-02-12T07:08:55.5056716Z Task         : Get sources
2026-02-12T07:08:55.5056968Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-02-12T07:08:55.5057087Z Version      : 1.0.0
2026-02-12T07:08:55.5057276Z Author       : Microsoft
2026-02-12T07:08:55.5057516Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-02-12T07:08:55.5057630Z ==============================================================================
2026-02-12T07:08:56.6326003Z Syncing repository: dotnet/runtime (GitHub)
2026-02-12T07:08:56.6331073Z ##[command]git version
2026-02-12T07:08:56.6336452Z git version 2.52.0
2026-02-12T07:08:56.6337615Z ##[command]git lfs version
2026-02-12T07:08:58.3615481Z git-lfs/3.0.2 (GitHub; linux amd64; go 1.18.1)
2026-02-12T07:08:58.3763029Z ##[command]git init "/mnt/vss/_work/1/s"
2026-02-12T07:08:58.5686348Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-02-12T07:08:58.5687792Z hint: will change to "main" in Git 3.0. To configure the initial branch name
2026-02-12T07:08:58.5688201Z hint: to use in all of your new repositories, which will suppress this warning,
2026-02-12T07:08:58.5688615Z hint: call:
2026-02-12T07:08:58.5688911Z hint:
2026-02-12T07:08:58.5689256Z hint: 	git config --global init.defaultBranch <name>
2026-02-12T07:08:58.5689586Z hint:
2026-02-12T07:08:58.5689907Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-02-12T07:08:58.5690359Z hint: 'development'. The just-created branch can be renamed via this command:
2026-02-12T07:08:58.5690751Z hint:
2026-02-12T07:08:58.5691097Z hint: 	git branch -m <name>
2026-02-12T07:08:58.5691378Z hint:
2026-02-12T07:08:58.5691705Z hint: Disable this message with "git config set advice.defaultBranchName false"
2026-02-12T07:08:58.5850814Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-02-12T07:08:58.5872217Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-02-12T07:08:58.6133169Z ##[command]git sparse-checkout disable
2026-02-12T07:08:58.6357647Z ##[command]git config gc.auto 0
2026-02-12T07:08:58.6399076Z ##[command]git config core.longpaths true
2026-02-12T07:08:58.6429335Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-02-12T07:08:58.6471736Z ##[command]git config --get-all http.extraheader
2026-02-12T07:08:58.6504070Z ##[command]git config --get-regexp .*extraheader
2026-02-12T07:08:58.6532057Z ##[command]git config --get-all http.proxy
2026-02-12T07:08:58.6568755Z ##[command]git config http.version HTTP/1.1
2026-02-12T07:08:58.6610844Z ##[command]git config --get-all remote.origin.promisor
2026-02-12T07:08:58.6644357Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-02-12T07:08:58.6695502Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --no-tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/124246/merge:refs/remotes/pull/124246/merge
2026-02-12T07:08:59.4160775Z fatal: couldn't find remote ref refs/pull/124246/merge
2026-02-12T07:09:00.4071836Z ##[warning]Git fetch failed with exit code 128, back off 2.116 seconds before retry.
2026-02-12T07:09:01.5412282Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --no-tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/124246/merge:refs/remotes/pull/124246/merge
2026-02-12T07:09:02.0181430Z fatal: couldn't find remote ref refs/pull/124246/merge
2026-02-12T07:09:02.8452061Z ##[warning]Git fetch failed with exit code 128, back off 5.433 seconds before retry.
2026-02-12T07:09:07.4546309Z ##[command]git --config-env=http.extraheader=env_var_http.extraheader fetch --force --no-tags --prune --prune-tags --progress --no-recurse-submodules origin   +refs/heads/*:refs/remotes/origin/* +refs/pull/124246/merge:refs/remotes/pull/124246/merge
2026-02-12T07:09:07.9183705Z fatal: couldn't find remote ref refs/pull/124246/merge
2026-02-12T07:09:08.8913469Z ##[error]Git fetch failed with exit code: 128
2026-02-12T07:09:08.8953757Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/124246/merge to s