[INFO] cloning repository https://github.com/solid-rocks/all-new-contracts-on-the-block
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solid-rocks/all-new-contracts-on-the-block" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolid-rocks%2Fall-new-contracts-on-the-block"`
[INFO] [stderr] Cloning into bare repository 'work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolid-rocks%2Fall-new-contracts-on-the-block'...
[INFO] [stderr] fatal: credential helper '/big/crater/work/cargo-home/bin/git-credential-null' told us to quit
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:missing-git-repository
[ERROR] caused by: can't fetch private git repositories
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.