[INFO] cloning repository https://github.com/john80412/RustGuessNumberGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/john80412/RustGuessNumberGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn80412%2FRustGuessNumberGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn80412%2FRustGuessNumberGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e3ceeb00a5d268714fdabe9c2df7042aca906f3
[INFO] documenting john80412/RustGuessNumberGame against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn80412%2FRustGuessNumberGame" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/john80412/RustGuessNumberGame on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/john80412/RustGuessNumberGame
[INFO] finished tweaking git repo https://github.com/john80412/RustGuessNumberGame
[INFO] tweaked toml for git repo https://github.com/john80412/RustGuessNumberGame written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/john80412/RustGuessNumberGame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c41a5ed0c9be5d7b07e4e934fc4141921bc417866e42bbdfc6958ba65d583d27
[INFO] running `Command { std: "docker" "start" "-a" "c41a5ed0c9be5d7b07e4e934fc4141921bc417866e42bbdfc6958ba65d583d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41a5ed0c9be5d7b07e4e934fc4141921bc417866e42bbdfc6958ba65d583d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41a5ed0c9be5d7b07e4e934fc4141921bc417866e42bbdfc6958ba65d583d27", kill_on_drop: false }`
[INFO] [stdout] c41a5ed0c9be5d7b07e4e934fc4141921bc417866e42bbdfc6958ba65d583d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5475f184d83450ac018083f758364d3645b9e0bd1a890f9cef0b80efa67ebc35
[INFO] running `Command { std: "docker" "start" "-a" "5475f184d83450ac018083f758364d3645b9e0bd1a890f9cef0b80efa67ebc35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting GuessNumbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if(inp.len() != 4) {
[INFO] [stdout]    |           ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         if(inp.len() != 4) {
[INFO] [stdout] 24 +         if inp.len() != 4 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if(correctformat) {
[INFO] [stdout]    |           ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         if(correctformat) {
[INFO] [stdout] 45 +         if correctformat {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "5475f184d83450ac018083f758364d3645b9e0bd1a890f9cef0b80efa67ebc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5475f184d83450ac018083f758364d3645b9e0bd1a890f9cef0b80efa67ebc35", kill_on_drop: false }`
[INFO] [stdout] 5475f184d83450ac018083f758364d3645b9e0bd1a890f9cef0b80efa67ebc35