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Started by upstream project "gerrit-libosmo-sigtran" build number 1032
originally caused by:
 Triggered by Gerrit: https://gerrit.osmocom.org/c/libosmo-sigtran/+/42765 in silent mode.
 Started by user daniel
 Started by upstream project "gerrit-libosmo-sigtran" build number 1031
 originally caused by:
  Triggered by Gerrit: https://gerrit.osmocom.org/c/libosmo-sigtran/+/42765 in silent mode.
Running as SYSTEM
Building remotely on build4-deb12build-ansible (ttcn3 obs osmo-gsm-tester-build qemu io_uring linux-shallow-clone osmocom-gerrit coverity osmocom-master) in workspace /home/osmocom-build/jenkins/workspace/gerrit-binpkgs
[ssh-agent] Looking for ssh-agent implementation...
$ ssh-agent
SSH_AUTH_SOCK=/tmp/ssh-RETGEEH8lzBz/agent.521077
SSH_AGENT_PID=521080
[ssh-agent] Started.
Running ssh-add (command line suppressed)
Identity added: /home/osmocom-build/jenkins/workspace/gerrit-binpkgs@tmp/private_key_10644480758349084230.key (/home/osmocom-build/jenkins/workspace/gerrit-binpkgs@tmp/private_key_10644480758349084230.key)
[ssh-agent] Using credentials jenkins (gerrit.osmocom.org)
The recommended git tool is: NONE
using credential d5eda5e9-b59d-44ba-88d2-43473cb6e42d
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git init /home/osmocom-build/jenkins/workspace/gerrit-binpkgs/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git --version # timeout=10
 > git --version # 'git version 2.39.5'
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:998)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
	at hudson.scm.SCM.checkout(SCM.java:540)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
	at hudson.model.Run.execute(Run.java:1842)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:456)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null" returned status code 128:
stdout: 
stderr: fatal: couldn't find remote ref null

	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2848)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2189)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:638)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:173)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:164)
	at hudson.remoting.UserRequest.perform(UserRequest.java:225)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:391)
	at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:330)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at java.base/java.lang.Thread.run(Thread.java:1516)
	Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to build4-deb12build-ansible
		at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1916)
		at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:384)
		at hudson.remoting.Channel.call(Channel.java:1108)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:155)
		at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
		at java.base/java.lang.reflect.Method.invoke(Unknown Source)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:140)
		at PluginClassLoader for git-client/jdk.proxy11/jdk.proxy11.$Proxy163.execute(Unknown Source)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:996)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
		at hudson.scm.SCM.checkout(SCM.java:540)
		at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
		at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
		at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
		at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
		at hudson.model.Run.execute(Run.java:1842)
		at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
		at hudson.model.ResourceController.execute(ResourceController.java:97)
		at hudson.model.Executor.run(Executor.java:456)
ERROR: Error fetching remote repo 'origin'
Retrying after 10 seconds
The recommended git tool is: NONE
using credential d5eda5e9-b59d-44ba-88d2-43473cb6e42d
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git init /home/osmocom-build/jenkins/workspace/gerrit-binpkgs/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git --version # timeout=10
 > git --version # 'git version 2.39.5'
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:998)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
	at hudson.scm.SCM.checkout(SCM.java:540)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
	at hudson.model.Run.execute(Run.java:1842)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:456)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null" returned status code 128:
stdout: 
stderr: fatal: couldn't find remote ref null

	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2848)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2189)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:638)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:173)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:164)
	at hudson.remoting.UserRequest.perform(UserRequest.java:225)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:391)
	at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:330)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at java.base/java.lang.Thread.run(Thread.java:1516)
	Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to build4-deb12build-ansible
		at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1916)
		at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:384)
		at hudson.remoting.Channel.call(Channel.java:1108)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:155)
		at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
		at java.base/java.lang.reflect.Method.invoke(Unknown Source)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:140)
		at PluginClassLoader for git-client/jdk.proxy11/jdk.proxy11.$Proxy163.execute(Unknown Source)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:996)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
		at hudson.scm.SCM.checkout(SCM.java:540)
		at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
		at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
		at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
		at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
		at hudson.model.Run.execute(Run.java:1842)
		at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
		at hudson.model.ResourceController.execute(ResourceController.java:97)
		at hudson.model.Executor.run(Executor.java:456)
ERROR: Error fetching remote repo 'origin'
Retrying after 10 seconds
The recommended git tool is: NONE
using credential d5eda5e9-b59d-44ba-88d2-43473cb6e42d
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git init /home/osmocom-build/jenkins/workspace/gerrit-binpkgs/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git --version # timeout=10
 > git --version # 'git version 2.39.5'
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:998)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
	at hudson.scm.SCM.checkout(SCM.java:540)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
	at hudson.model.Run.execute(Run.java:1842)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:456)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null" returned status code 128:
stdout: 
stderr: fatal: couldn't find remote ref null

	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2848)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2189)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:638)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:173)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:164)
	at hudson.remoting.UserRequest.perform(UserRequest.java:225)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:391)
	at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:330)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at java.base/java.lang.Thread.run(Thread.java:1516)
	Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to build4-deb12build-ansible
		at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1916)
		at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:384)
		at hudson.remoting.Channel.call(Channel.java:1108)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:155)
		at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
		at java.base/java.lang.reflect.Method.invoke(Unknown Source)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:140)
		at PluginClassLoader for git-client/jdk.proxy11/jdk.proxy11.$Proxy163.execute(Unknown Source)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:996)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
		at hudson.scm.SCM.checkout(SCM.java:540)
		at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
		at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
		at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
		at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
		at hudson.model.Run.execute(Run.java:1842)
		at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
		at hudson.model.ResourceController.execute(ResourceController.java:97)
		at hudson.model.Executor.run(Executor.java:456)
ERROR: Error fetching remote repo 'origin'
Retrying after 10 seconds
The recommended git tool is: NONE
using credential d5eda5e9-b59d-44ba-88d2-43473cb6e42d
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git init /home/osmocom-build/jenkins/workspace/gerrit-binpkgs/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
 > git --version # timeout=10
 > git --version # 'git version 2.39.5'
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran # timeout=10
Fetching upstream changes from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
using GIT_SSH to set credentials gerrit.osmocom.org
Verifying host key using known hosts file, will automatically accept unseen keys
 > git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:998)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
	at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
	at hudson.scm.SCM.checkout(SCM.java:540)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
	at hudson.model.Run.execute(Run.java:1842)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:456)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --force --progress -- ssh://jenkins@gerrit.osmocom.org:29418/libosmo-sigtran null" returned status code 128:
stdout: 
stderr: fatal: couldn't find remote ref null

	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2848)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2189)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:638)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:173)
	at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$GitCommandMasterToSlaveCallable.call(RemoteGitImpl.java:164)
	at hudson.remoting.UserRequest.perform(UserRequest.java:225)
	at hudson.remoting.UserRequest.perform(UserRequest.java:50)
	at hudson.remoting.Request$2.run(Request.java:391)
	at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:330)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at java.base/java.lang.Thread.run(Thread.java:1516)
	Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to build4-deb12build-ansible
		at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1916)
		at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:384)
		at hudson.remoting.Channel.call(Channel.java:1108)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:155)
		at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
		at java.base/java.lang.reflect.Method.invoke(Unknown Source)
		at PluginClassLoader for git-client//org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:140)
		at PluginClassLoader for git-client/jdk.proxy11/jdk.proxy11.$Proxy163.execute(Unknown Source)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:996)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1239)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM._checkout(GitSCM.java:1310)
		at PluginClassLoader for git//hudson.plugins.git.GitSCM.checkout(GitSCM.java:1277)
		at hudson.scm.SCM.checkout(SCM.java:540)
		at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
		at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:648)
		at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:84)
		at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:521)
		at hudson.model.Run.execute(Run.java:1842)
		at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
		at hudson.model.ResourceController.execute(ResourceController.java:97)
		at hudson.model.Executor.run(Executor.java:456)
ERROR: Error fetching remote repo 'origin'
$ ssh-agent -k
unset SSH_AUTH_SOCK;
unset SSH_AGENT_PID;
echo Agent pid 521080 killed;
[ssh-agent] Stopped.
Finished: FAILURE