[INFO] cloning repository https://github.com/irving-peng/NU-CS339-Lab2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irving-peng/NU-CS339-Lab2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firving-peng%2FNU-CS339-Lab2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firving-peng%2FNU-CS339-Lab2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dddfe6660934ff4163b3d56c4ec7c96ef3878081
[INFO] checking irving-peng/NU-CS339-Lab2 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firving-peng%2FNU-CS339-Lab2" "/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] Updating files:  68% (1303/1895)
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Updating files: 100% (1895/1895)
Updating files: 100% (1895/1895), done.
[INFO] validating manifest of git repo https://github.com/irving-peng/NU-CS339-Lab2 on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irving-peng/NU-CS339-Lab2
[INFO] finished tweaking git repo https://github.com/irving-peng/NU-CS339-Lab2
[INFO] tweaked toml for git repo https://github.com/irving-peng/NU-CS339-Lab2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/irving-peng/NU-CS339-Lab2 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "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


no output for 300 seconds