[INFO] cloning repository https://github.com/shoaib-khalid/rust-s3-sia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shoaib-khalid/rust-s3-sia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoaib-khalid%2Frust-s3-sia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoaib-khalid%2Frust-s3-sia'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/shoaib-khalid/rust-s3-sia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shoaib-khalid/rust-s3-sia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoaib-khalid%2Frust-s3-sia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoaib-khalid%2Frust-s3-sia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58ff3f17b006c56abc3b5c58c0bc7b8fc4f5305c
[INFO] checking shoaib-khalid/rust-s3-sia against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshoaib-khalid%2Frust-s3-sia" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'


failed to checkout https://github.com/shoaib-khalid/rust-s3-sia

Caused by:
    command failed: exit status: 128