Build failed in Jenkins: epics-base-3.15 #501

[APS Jenkins via Core-talk <core-talk at aps.anl.gov>]

See <https://jenkins.aps.anl.gov/job/epics-base-3.15/501/display/redirect>

Changes:


------------------------------------------
Started by an SCM change
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building on master in workspace <https://jenkins.aps.anl.gov/job/epics-base-3.15/ws/>
No credentials specified
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://git.launchpad.net/epics-base # timeout=10
Fetching upstream changes from https://git.launchpad.net/epics-base
 > git --version # timeout=10
Setting http proxy: webproxy1.anl.gov:9091
 > git fetch --tags --progress https://git.launchpad.net/epics-base +refs/heads/3.15:refs/remotes/origin/3.15 # timeout=10
ERROR: Error fetching remote repo 'origin'
hudson.plugins.git.GitException: Failed to fetch from https://git.launchpad.net/epics-base
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:909)
	at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1131)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1167)
	at hudson.scm.SCM.checkout(SCM.java:505)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1206)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:574)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)
	at hudson.model.Run.execute(Run.java:1856)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:97)
	at hudson.model.Executor.run(Executor.java:428)
Caused by: hudson.plugins.git.GitException: Command "git fetch --tags --progress https://git.launchpad.net/epics-base +refs/heads/3.15:refs/remotes/origin/3.15" returned status code 128:
stdout: 
stderr: fatal: Couldn't find remote ref refs/heads/3.15
Unexpected end of command stream

	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:2430)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:2044)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$500(CliGitAPIImpl.java:81)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:569)
	at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:907)
	... 11 more
ERROR: Error fetching remote repo 'origin'
Archiving artifacts