2026-02-10T15:39:26.0872620Z ##[section]Starting: Checkout dotnet/sdk@refs/pull/52909/merge to s
2026-02-10T15:39:26.1034220Z ==============================================================================
2026-02-10T15:39:26.1035990Z Task         : Get sources
2026-02-10T15:39:26.1036930Z Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
2026-02-10T15:39:26.1037690Z Version      : 1.0.0
2026-02-10T15:39:26.1038500Z Author       : Microsoft
2026-02-10T15:39:26.1039950Z Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
2026-02-10T15:39:26.1040740Z ==============================================================================
2026-02-10T15:39:27.1122630Z Syncing repository: dotnet/sdk (GitHub)
2026-02-10T15:39:27.1717450Z ##[command]git version
2026-02-10T15:39:27.9955930Z git version 2.52.0
2026-02-10T15:39:27.9986290Z ##[command]git lfs version
2026-02-10T15:39:29.9202100Z git-lfs/3.7.1 (GitHub; darwin amd64; go 1.25.3)
2026-02-10T15:39:29.9544890Z ##[command]git init "/Users/runner/work/1/s"
2026-02-10T15:39:30.1497310Z hint: Using 'master' as the name for the initial branch. This default branch name
2026-02-10T15:39:30.1503660Z Initialized empty Git repository in /Users/runner/work/1/s/.git/
2026-02-10T15:39:30.1561970Z hint: will change to "main" in Git 3.0. To configure the initial branch name
2026-02-10T15:39:30.1574730Z hint: to use in all of your new repositories, which will suppress this warning,
2026-02-10T15:39:30.1589320Z hint: call:
2026-02-10T15:39:30.1621800Z hint:
2026-02-10T15:39:30.1625780Z hint: 	git config --global init.defaultBranch <name>
2026-02-10T15:39:30.1629560Z hint:
2026-02-10T15:39:30.1634060Z hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
2026-02-10T15:39:30.1641930Z hint: 'development'. The just-created branch can be renamed via this command:
2026-02-10T15:39:30.1645190Z hint:
2026-02-10T15:39:30.1647980Z hint: 	git branch -m <name>
2026-02-10T15:39:30.1650220Z hint:
2026-02-10T15:39:30.1652430Z hint: Disable this message with "git config set advice.defaultBranchName false"
2026-02-10T15:39:30.1676360Z ##[command]git remote add origin https://github.com/dotnet/sdk
2026-02-10T15:39:30.2463860Z ##[command]git sparse-checkout disable
2026-02-10T15:39:30.2735290Z ##[command]git config gc.auto 0
2026-02-10T15:39:30.2816630Z ##[command]git config core.longpaths true
2026-02-10T15:39:30.3009350Z ##[command]git config --get-all http.https://github.com/dotnet/sdk.extraheader
2026-02-10T15:39:30.3143840Z ##[command]git config --get-all http.extraheader
2026-02-10T15:39:30.3235940Z ##[command]git config --get-regexp .*extraheader
2026-02-10T15:39:30.3392480Z ##[command]git config --get-all http.proxy
2026-02-10T15:39:30.3627020Z ##[command]git config http.version HTTP/1.1
2026-02-10T15:39:30.3749940Z ##[command]git config --get-all remote.origin.promisor
2026-02-10T15:39:30.3892960Z ##[command]git config --get-all remote.origin.partialclonefilter
2026-02-10T15:39:30.4098900Z ##[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/52909/merge:refs/remotes/pull/52909/merge
2026-02-10T15:39:31.2146570Z fatal: couldn't find remote ref refs/pull/52909/merge
2026-02-10T15:39:31.7420590Z ##[warning]Git fetch failed with exit code 128, back off 4.353 seconds before retry.
2026-02-10T15:39:35.6341680Z ##[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/52909/merge:refs/remotes/pull/52909/merge
2026-02-10T15:39:36.1824110Z fatal: couldn't find remote ref refs/pull/52909/merge
2026-02-10T15:39:36.2467910Z ##[warning]Git fetch failed with exit code 128, back off 2.334 seconds before retry.
2026-02-10T15:39:38.5524030Z ##[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/52909/merge:refs/remotes/pull/52909/merge
2026-02-10T15:39:39.1393460Z fatal: couldn't find remote ref refs/pull/52909/merge
2026-02-10T15:39:39.5043240Z ##[error]Git fetch failed with exit code: 128
2026-02-10T15:39:39.5132880Z ##[section]Finishing: Checkout dotnet/sdk@refs/pull/52909/merge to s