Job times out but does not end

[Pipeline] dir
Running in /opt/jenkins/workspace/ng_IT-HF-pkg-build-nightly_10.10/nuxeo-dm-hotfixes
[Pipeline] {
[Pipeline] withCredentials
Masking supported pattern matches of $__CONNECT_AUTH_USER or $__CONNECT_AUTH_PASS or $NUXEO_CLID
[Pipeline] {
[Pipeline] sh

Cancelling nested steps due to timeout
Body did not finish within grace period; terminating with extreme prejudice
Aborted by Frantz FISCHER
Click here to forcibly terminate running steps
Terminating withCredentials
Click here to forcibly kill entire build
Hard kill!
Finished: ABORTED
 
https://github.com/nuxeo/integration-scripts-priv/blob/master/Jenkinsfiles/build-hf-pkg-nightly.groovy#L141-L166
 
dir('nuxeo-dm-hotfixes') {
    withCredentials([
(...)
    ]) {
        sh '''#!/bin/bash -e
(...)
        '''
    }
}