Branch indexing
Connecting to https://api.github.com using project/****** (project-account)
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from 2 remote Git repositories
 > git config remote.origin.url https://github.com/myproject.git # timeout=10
Fetching upstream changes from https://github.com/myproject.git
 > git --version # timeout=10
using .gitcredentials to set credentials
 > git config --local credential.username myproject-service # timeout=10
 > git config --local credential.helper store --file=/tmp/git2897979878798.credentials # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://github.com/myproject.git +refs/heads/*:refs/remotes/origin/*
 > git config --local --remove-section credential # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from https://github.com/myproject.git
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:799)
	at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1055)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1086)
	at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:109)
	at org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition.create(CpsScmFlowDefinition.java:108)
	at org.jenkinsci.plugins.workflow.multibranch.SCMBinder.create(SCMBinder.java:85)
	at org.jenkinsci.plugins.workflow.job.WorkflowRun.run(WorkflowRun.java:206)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:410)
Caused by: hudson.plugins.git.GitException: Command "git -c core.askpass=true fetch --tags --progress https://github.com/myproject.git +refs/heads/*:refs/remotes/origin/*" returned status code 128:
stdout:
stderr: fatal: Reference directory conflict: refs/heads/

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1740)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1476)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$300(CliGitAPIImpl.java:63)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:314)
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:797)
	... 8 more

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ERROR: null
Finished: FAILURE