[INFO] cloning repository https://github.com/camper0008/rust-inverted-binary-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camper0008/rust-inverted-binary-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Frust-inverted-binary-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Frust-inverted-binary-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55789a3d004b21bea40f89911655d5da711b95c2
[INFO] checking camper0008/rust-inverted-binary-tree against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Frust-inverted-binary-tree" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camper0008/rust-inverted-binary-tree on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camper0008/rust-inverted-binary-tree
[INFO] finished tweaking git repo https://github.com/camper0008/rust-inverted-binary-tree
[INFO] tweaked toml for git repo https://github.com/camper0008/rust-inverted-binary-tree written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/camper0008/rust-inverted-binary-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


NoOutputFor(300)