[INFO] cloning repository https://github.com/johnfanara/rust_book_variables
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnfanara/rust_book_variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnfanara%2Frust_book_variables", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnfanara%2Frust_book_variables'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3cb64b5e27446c5178d1cd37fe4b217ee1abd00
[INFO] checking johnfanara/rust_book_variables against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnfanara%2Frust_book_variables" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc1/source/.git/logs/refs/heads/master': No such file or directory


ExecutionFailed(ExitStatus(unix_wait_status(32768)))

failed to checkout https://github.com/johnfanara/rust_book_variables