[INFO] cloning repository https://github.com/jad-b/ynab-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jad-b/ynab-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjad-b%2Fynab-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjad-b%2Fynab-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b56730c61bd38dc72998ed0bd566bf1d9a1ec00
[INFO] testing jad-b/ynab-rs against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjad-b%2Fynab-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'refs/heads/master': unable to create directory for '/workspace/builds/worker-1-tc1/source/.git/logs/refs/heads/master': No such file or directory


failed to checkout https://github.com/jad-b/ynab-rs

Caused by:
    command failed: exit status: 128