2026-02-12T08:33:32.1457375Z ##[section]Starting: Checkout dotnet/runtime@refs/pull/124316/merge to s
2026-02-12T08:33:32.1549464Z ==============================================================================
2026-02-12T08:33:32.1550230Z Task         : Get sources
2026-02-12T08:33:32.1550431Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-02-12T08:33:32.1550564Z Version      : 1.0.0
2026-02-12T08:33:32.1550743Z Author       : Microsoft
2026-02-12T08:33:32.1551299Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-02-12T08:33:32.1551407Z ==============================================================================
2026-02-12T08:33:33.5035799Z Syncing repository: dotnet/runtime (GitHub)
2026-02-12T08:33:33.5041478Z ##[command]git version
2026-02-12T08:33:33.5047214Z git version 2.52.0
2026-02-12T08:33:33.5048030Z ##[command]git lfs version
2026-02-12T08:33:34.7151816Z git-lfs/3.0.2 (GitHub; linux amd64; go 1.18.1)
2026-02-12T08:33:34.7308019Z ##[command]git init "/mnt/vss/_work/1/s"
2026-02-12T08:33:34.9034428Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-02-12T08:33:34.9035026Z hint: will change to "main" in Git 3.0. To configure the initial branch name
2026-02-12T08:33:34.9035361Z hint: to use in all of your new repositories, which will suppress this warning,
2026-02-12T08:33:34.9035643Z hint: call:
2026-02-12T08:33:34.9035862Z hint:
2026-02-12T08:33:34.9036065Z hint: 	git config --global init.defaultBranch <name>
2026-02-12T08:33:34.9036239Z hint:
2026-02-12T08:33:34.9036414Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-02-12T08:33:34.9036648Z hint: 'development'. The just-created branch can be renamed via this command:
2026-02-12T08:33:34.9036839Z hint:
2026-02-12T08:33:34.9036999Z hint: 	git branch -m <name>
2026-02-12T08:33:34.9037176Z hint:
2026-02-12T08:33:34.9037366Z hint: Disable this message with "git config set advice.defaultBranchName false"
2026-02-12T08:33:34.9244833Z Initialized empty Git repository in /mnt/vss/_work/1/s/.git/
2026-02-12T08:33:34.9260926Z ##[command]git remote add origin https://github.com/dotnet/runtime
2026-02-12T08:33:34.9469054Z ##[command]git sparse-checkout disable
2026-02-12T08:33:34.9664323Z ##[command]git config gc.auto 0
2026-02-12T08:33:34.9711164Z ##[command]git config core.longpaths true
2026-02-12T08:33:34.9742961Z ##[command]git config --get-all http.https://github.com/dotnet/runtime.extraheader
2026-02-12T08:33:34.9785749Z ##[command]git config --get-all http.extraheader
2026-02-12T08:33:34.9821638Z ##[command]git config --get-regexp .*extraheader
2026-02-12T08:33:34.9854176Z ##[command]git config --get-all http.proxy
2026-02-12T08:33:34.9888021Z ##[command]git config http.version HTTP/1.1
2026-02-12T08:33:34.9935043Z ##[command]git config --get-all remote.origin.promisor
2026-02-12T08:33:34.9969266Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-02-12T08:33:35.0023002Z ##[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/124316/merge:refs/remotes/pull/124316/merge
2026-02-12T08:33:35.6763744Z fatal: couldn't find remote ref refs/pull/124316/merge
2026-02-12T08:33:36.5592380Z ##[warning]Git fetch failed with exit code 128, back off 8.381 seconds before retry.
2026-02-12T08:33:44.0665186Z ##[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/124316/merge:refs/remotes/pull/124316/merge
2026-02-12T08:33:44.5204621Z fatal: couldn't find remote ref refs/pull/124316/merge
2026-02-12T08:33:45.5554612Z ##[warning]Git fetch failed with exit code 128, back off 8.647 seconds before retry.
2026-02-12T08:33:53.1716951Z ##[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/124316/merge:refs/remotes/pull/124316/merge
2026-02-12T08:33:53.6098052Z fatal: couldn't find remote ref refs/pull/124316/merge
2026-02-12T08:33:54.7863275Z ##[error]Git fetch failed with exit code: 128
2026-02-12T08:33:54.7903170Z ##[section]Finishing: Checkout dotnet/runtime@refs/pull/124316/merge to s