Started by upstream project "<a href='/ocaml/job/main/' class='jenkins-table__link model-link model-link--float'>main</a>" build number <a href='/ocaml/job/main/4766' class='jenkins-table__link model-link model-link--float'>4766</a>
originally caused by:
 Started by GitHub push by gasche
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/main/flambda/false/label/ocaml-centos-oldest
The recommended git tool is: git
using credential 1460efba-98da-4ca5-9696-a7e681202cc4
 &gt; git rev-parse --resolve-git-dir /builds/workspace/main/flambda/false/label/ocaml-centos-oldest/.git # timeout=10
Fetching changes from the remote Git repository
 &gt; git config remote.origin.url <a href='https://github.com/ocaml/ocaml'>https://github.com/ocaml/ocaml</a> # timeout=10
Fetching upstream changes from <a href='https://github.com/ocaml/ocaml'>https://github.com/ocaml/ocaml</a>
 &gt; git --version # timeout=10
 &gt; git --version # 'git version 1.8.3.1'
using GIT_SSH to set credentials Credential used by Jenkins to login to GitHub over SSH
 &gt; git fetch --tags --progress <a href='https://github.com/ocaml/ocaml'>https://github.com/ocaml/ocaml</a> +refs/heads/*:refs/remotes/origin/* # timeout=30
Checking out Revision 3224bd9f13f2acce5ed09637994163749009bee6 (origin/trunk)
 &gt; git config core.sparsecheckout # timeout=10
 &gt; git checkout -f 3224bd9f13f2acce5ed09637994163749009bee6 # timeout=30
Commit message: "Merge pull request #14059 from OlivierNicole/fix-flaky-tsan"
 &gt; git rev-list --no-walk c31706609bbb2c4a18b0e65ab523022e86d9336d # timeout=10
No emails were triggered.
New run name is 'origin/trunk-#4766'
[ocaml-centos-oldest] $ /bin/sh -xe /tmp/jenkins5320326916980994903.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.
No emails were triggered.
Finished: SUCCESS