Branch indexing
Connecting to https://api.github.com using elife-alfred-user/****** (Used for listing branches in Multibranch pipelines)
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from 2 remote Git repositories
 > git config remote.origin.url https://github.com/elifesciences/api-sdk-php.git # timeout=10
Fetching upstream changes from https://github.com/elifesciences/api-sdk-php.git
 > git --version # timeout=10
using .gitcredentials to set credentials
 > git config --local credential.username elife-alfred-user # timeout=10
 > git config --local credential.helper store --file=/tmp/git290847354312573576.credentials # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://github.com/elifesciences/api-sdk-php.git +refs/heads/*:refs/remotes/origin/*
 > git config --local --remove-section credential # timeout=10
 > git config remote.origin1.url https://github.com/elifesciences/api-sdk-php.git # timeout=10
Fetching upstream changes from https://github.com/elifesciences/api-sdk-php.git
using .gitcredentials to set credentials
 > git config --local credential.username elife-alfred-user # timeout=10
 > git config --local credential.helper store --file=/tmp/git1965350685167259234.credentials # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://github.com/elifesciences/api-sdk-php.git +refs/pull/*/merge:refs/remotes/origin/pr/*
 > git config --local --remove-section credential # timeout=10
Checking out Revision d4f40697f8b8d693928c89d55e11823b73b9c049 (PR-1)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f d4f40697f8b8d693928c89d55e11823b73b9c049

GitHub has been notified of this commit’s build result

hudson.plugins.git.GitException: Could not checkout d4f40697f8b8d693928c89d55e11823b73b9c049
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$9.execute(CliGitAPIImpl.java:1992)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1135)
	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 checkout -f d4f40697f8b8d693928c89d55e11823b73b9c049" returned status code 128:
stdout: 
stderr: fatal: reference is not a tree: d4f40697f8b8d693928c89d55e11823b73b9c049

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1719)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:63)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$9.execute(CliGitAPIImpl.java:1984)
	... 7 more
Finished: FAILURE