[INFO] cloning repository https://github.com/j2ghz/prometheus_jfplaybackreporting_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j2ghz/prometheus_jfplaybackreporting_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj2ghz%2Fprometheus_jfplaybackreporting_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj2ghz%2Fprometheus_jfplaybackreporting_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c4e1f102af0df3e5f4f72cdb6d9ff1c0afbec1
[INFO] checking j2ghz/prometheus_jfplaybackreporting_exporter against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj2ghz%2Fprometheus_jfplaybackreporting_exporter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-7-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'


failed to checkout https://github.com/j2ghz/prometheus_jfplaybackreporting_exporter

Caused by:
    command failed: exit status: 128