[INFO] cloning repository https://github.com/grahamc/nixswiftrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grahamc/nixswiftrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 117b1ca532c81bcf3b89ef2304a12a3dc2f2125a
[INFO] testing grahamc/nixswiftrust against 1.85.0 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-7-tc1/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'remote.origin.url' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust'


failed to checkout https://github.com/grahamc/nixswiftrust

Caused by:
    command failed: exit status: 128