[INFO] cloning repository https://github.com/varqox/prover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varqox/prover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarqox%2Fprover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarqox%2Fprover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 042bb0d345ab092ac649826bd79046c2bc39955e
[INFO] checking varqox/prover against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarqox%2Fprover" "/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] error: unable to write file tests/C/t047.txt
[INFO] [stderr] error: unable to write file tests/C/t048.txt
[INFO] [stderr] error: unable to write file tests/C/t049.txt
[INFO] [stderr] error: unable to write file tests/C/t050.txt
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 


failed to checkout https://github.com/varqox/prover

Caused by:
    command failed: exit status: 128