[INFO] cloning repository https://github.com/pleshevskiy/rust-juniper-graphql-diesel-rocket-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pleshevskiy/rust-juniper-graphql-diesel-rocket-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleshevskiy%2Frust-juniper-graphql-diesel-rocket-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleshevskiy%2Frust-juniper-graphql-diesel-rocket-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6e745d97d44dc9ee71a9568ab62f11db68bf209
[INFO] checking pleshevskiy/rust-juniper-graphql-diesel-rocket-example against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpleshevskiy%2Frust-juniper-graphql-diesel-rocket-example" "/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 create '/workspace/builds/worker-3-tc1/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD


failed to checkout https://github.com/pleshevskiy/rust-juniper-graphql-diesel-rocket-example

Caused by:
    command failed: exit status: 128