[INFO] cloning repository https://github.com/lqvir/Rust4OI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lqvir/Rust4OI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flqvir%2FRust4OI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flqvir%2FRust4OI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fcda4b6ef6b5d4ee8edd21221ebcce0b5cecfd0
[INFO] documenting lqvir/Rust4OI against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flqvir%2FRust4OI" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lqvir/Rust4OI on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lqvir/Rust4OI
[INFO] finished tweaking git repo https://github.com/lqvir/Rust4OI
[INFO] tweaked toml for git repo https://github.com/lqvir/Rust4OI written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lqvir/Rust4OI 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" "+beta-2025-04-13" "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
[INFO] documenting lqvir/Rust4OI against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flqvir%2FRust4OI" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lqvir/Rust4OI on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lqvir/Rust4OI
[INFO] finished tweaking git repo https://github.com/lqvir/Rust4OI
[INFO] tweaked toml for git repo https://github.com/lqvir/Rust4OI written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lqvir/Rust4OI 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" "+beta-2025-04-13" "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
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f7b1c618f1b27785df9999ef42cd0328ea7964cbeebad4c87cbae3b22bb310
[INFO] running `Command { std: "docker" "start" "-a" "b0f7b1c618f1b27785df9999ef42cd0328ea7964cbeebad4c87cbae3b22bb310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f7b1c618f1b27785df9999ef42cd0328ea7964cbeebad4c87cbae3b22bb310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f7b1c618f1b27785df9999ef42cd0328ea7964cbeebad4c87cbae3b22bb310", kill_on_drop: false }`
[INFO] [stdout] b0f7b1c618f1b27785df9999ef42cd0328ea7964cbeebad4c87cbae3b22bb310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b8ffc5de11b9b7bfc95073e413e1890dcd7e10a308d579d17750c80494c7a6
[INFO] running `Command { std: "docker" "start" "-a" "11b8ffc5de11b9b7bfc95073e413e1890dcd7e10a308d579d17750c80494c7a6", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]  --> src/solutions/cf1928b.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     while(round != 0){
[INFO] [stdout]   |          ^          ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -     while(round != 0){
[INFO] [stdout] 7 +     while round != 0 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/solutions/cf1928b.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |             if(a[i as usize]!=a[i as usize - 1]){
[INFO] [stdout]    |               ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -             if(a[i as usize]!=a[i as usize - 1]){
[INFO] [stdout] 19 +             if a[i as usize]!=a[i as usize - 1] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_learn/index.html
[INFO] running `Command { std: "docker" "inspect" "11b8ffc5de11b9b7bfc95073e413e1890dcd7e10a308d579d17750c80494c7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b8ffc5de11b9b7bfc95073e413e1890dcd7e10a308d579d17750c80494c7a6", kill_on_drop: false }`
[INFO] [stdout] 11b8ffc5de11b9b7bfc95073e413e1890dcd7e10a308d579d17750c80494c7a6