[INFO] cloning repository https://github.com/LearningOS/2024a-stage4-proj2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/2024a-stage4-proj2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2F2024a-stage4-proj2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2F2024a-stage4-proj2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16a9bf043d0c5161682e726f578ca33c9ac5d94f
[INFO] checking LearningOS/2024a-stage4-proj2 against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2F2024a-stage4-proj2" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/LearningOS/2024a-stage4-proj2
[INFO] finished tweaking git repo https://github.com/LearningOS/2024a-stage4-proj2
[INFO] tweaked toml for git repo https://github.com/LearningOS/2024a-stage4-proj2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LearningOS/2024a-stage4-proj2 on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LearningOS/2024a-stage4-proj2 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" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/arceos-org/allocator.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/arceos-org/axdriver_crates.git`
[INFO] [stderr]     Updating git repository `https://github.com/arceos-org/scheduler.git`
[INFO] [stderr]     Updating git repository `https://github.com/rafalh/rust-fatfs`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/smoltcp.git`
[INFO] [stderr]     Updating git repository `https://github.com/arceos-org/slab_allocator.git`
[INFO] [stderr]     Updating git repository `https://github.com/lhw2002426/bcm2835-sdhci.git`
[INFO] [stderr]     Updating git repository `https://github.com/KuangjuX/ixgbe-driver.git`
[INFO] [stderr]     Updating git repository `https://github.com/arceos-org/linked_list.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds