Started by upstream project "<a href='/ocaml/job/precheck/' class='jenkins-table__link model-link model-link--float'>precheck</a>" build number <a href='/ocaml/job/precheck/1066' class='jenkins-table__link model-link model-link--float'>1066</a>
originally caused by:
 Started by user <a href='/ocaml/user/gabriel.scherer@inria.fr' class='jenkins-table__link model-link model-link--float'>gabriel.scherer@inria.fr</a>
Running as SYSTEM
Building remotely on <a href='/ocaml/computer/ocaml-centos-oldest' class='jenkins-table__link model-link model-link--float'>ocaml-centos-oldest</a> (linux active) in workspace /builds/workspace/precheck/flambda/false/label/ocaml-centos-oldest
The recommended git tool is: NONE
No credentials specified
Cloning the remote Git repository
Cloning repository <a href='https://github.com/MisterDA/ocaml/'>https://github.com/MisterDA/ocaml/</a>
 &gt; git init /builds/workspace/precheck/flambda/false/label/ocaml-centos-oldest # timeout=10
Fetching upstream changes from <a href='https://github.com/MisterDA/ocaml/'>https://github.com/MisterDA/ocaml/</a>
 &gt; git --version # timeout=10
 &gt; git --version # 'git version 1.8.3.1'
 &gt; git fetch --tags --progress <a href='https://github.com/MisterDA/ocaml/'>https://github.com/MisterDA/ocaml/</a> +refs/heads/*:refs/remotes/origin/* # timeout=30
 &gt; git config remote.origin.url <a href='https://github.com/MisterDA/ocaml/'>https://github.com/MisterDA/ocaml/</a> # timeout=10
 &gt; git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
Avoid second fetch
JENKINS-19022: warning: possible memory leak due to Git plugin usage; see: <a href='https://plugins.jenkins.io/git/#remove-git-plugin-buildsbybranch-builddata-script'>https://plugins.jenkins.io/git/#remove-git-plugin-buildsbybranch-builddata-script</a>
Checking out Revision 2b007ae96ab143cca75ee2a15e2f4b6bf14804de (refs/remotes/origin/winpthreadsectomy)
 &gt; git config core.sparsecheckout # timeout=10
 &gt; git checkout -f 2b007ae96ab143cca75ee2a15e2f4b6bf14804de # timeout=30
Commit message: "Implement errorcheck mutexes on Windows"
First time build. Skipping changelog.
No emails were triggered.
New run name is 'origin/winpthreadsectomy-#1066'
[ocaml-centos-oldest] $ /bin/sh -xe /tmp/jenkins5475913231774860384.sh
+ ./tools/ci/inria/launch ./tools/ci/inria/main
+ case "${OCAML_ARCH}" in
+ exec ./tools/ci/inria/main
tools/ci/inria/main:
arguments: 
OCAML_CONFIGURE_OPTIONS=
OCAML_JOBS=
OCAML_4_ONLY=true
This machine/OS does not support OCaml 5. Stopping now.
Email was triggered for: Always
Sending email for trigger: Always
Sending email to: gabriel.scherer@inria.fr
Finished: SUCCESS