[INFO] cloning repository https://github.com/tarquin-the-brave/serde-cross-format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarquin-the-brave/serde-cross-format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarquin-the-brave%2Fserde-cross-format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarquin-the-brave%2Fserde-cross-format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bedd7104b7ce5c78cc62286387557495830d6d94
[INFO] checking tarquin-the-brave/serde-cross-format against master#0f442e265c165c0a78633bef98de18517815150c for pr-129073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarquin-the-brave%2Fserde-cross-format" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-3-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/tarquin-the-brave/serde-cross-format
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.