[INFO] cloning repository https://github.com/zemse/guessing-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zemse/guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemse%2Fguessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemse%2Fguessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3173fd9fe605408237ea4a686b4e40b1887351a5
[INFO] testing zemse/guessing-game against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemse%2Fguessing-game" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zemse/guessing-game on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zemse/guessing-game
[INFO] finished tweaking git repo https://github.com/zemse/guessing-game
[INFO] tweaked toml for git repo https://github.com/zemse/guessing-game written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/zemse/guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ad85f64d2f09d1004d8c232abd42937cf55612553a417652e842215b72efb31
[INFO] running `Command { std: "docker" "start" "-a" "2ad85f64d2f09d1004d8c232abd42937cf55612553a417652e842215b72efb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ad85f64d2f09d1004d8c232abd42937cf55612553a417652e842215b72efb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad85f64d2f09d1004d8c232abd42937cf55612553a417652e842215b72efb31", kill_on_drop: false }`
[INFO] [stdout] 2ad85f64d2f09d1004d8c232abd42937cf55612553a417652e842215b72efb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e1eaa19e83e4aed281cda0d2ff533df9b59627056bdd26bcc1163d914f2c29d
[INFO] running `Command { std: "docker" "start" "-a" "3e1eaa19e83e4aed281cda0d2ff533df9b59627056bdd26bcc1163d914f2c29d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |           /// @dev trim method on string eleminates white spaces begnining and end
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 | /         let guess: u32 = match guess.trim().parse() {
[INFO] [stdout] 18 | |             Ok(num) => num,
[INFO] [stdout] 19 | |             Err(_) => {
[INFO] [stdout] 20 | |                 println!("Invalid number");
[INFO] [stdout] 21 | |                 continue;
[INFO] [stdout] 22 | |             }
[INFO] [stdout] 23 | |         };
[INFO] [stdout]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "3e1eaa19e83e4aed281cda0d2ff533df9b59627056bdd26bcc1163d914f2c29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1eaa19e83e4aed281cda0d2ff533df9b59627056bdd26bcc1163d914f2c29d", kill_on_drop: false }`
[INFO] [stdout] 3e1eaa19e83e4aed281cda0d2ff533df9b59627056bdd26bcc1163d914f2c29d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deafe3a51ef720699be95f8ae3d5a29bc2bade60afd1d22299fa48599ef17227
[INFO] running `Command { std: "docker" "start" "-a" "deafe3a51ef720699be95f8ae3d5a29bc2bade60afd1d22299fa48599ef17227", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |           /// @dev trim method on string eleminates white spaces begnining and end
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 | /         let guess: u32 = match guess.trim().parse() {
[INFO] [stdout] 18 | |             Ok(num) => num,
[INFO] [stdout] 19 | |             Err(_) => {
[INFO] [stdout] 20 | |                 println!("Invalid number");
[INFO] [stdout] 21 | |                 continue;
[INFO] [stdout] 22 | |             }
[INFO] [stdout] 23 | |         };
[INFO] [stdout]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "deafe3a51ef720699be95f8ae3d5a29bc2bade60afd1d22299fa48599ef17227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deafe3a51ef720699be95f8ae3d5a29bc2bade60afd1d22299fa48599ef17227", kill_on_drop: false }`
[INFO] [stdout] deafe3a51ef720699be95f8ae3d5a29bc2bade60afd1d22299fa48599ef17227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 548cd78152d846115210fa637e9b454f7baafd2d2287e223b6b3f105b62d3224
[INFO] running `Command { std: "docker" "start" "-a" "548cd78152d846115210fa637e9b454f7baafd2d2287e223b6b3f105b62d3224", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |           /// @dev trim method on string eleminates white spaces begnining and end
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 17 | /         let guess: u32 = match guess.trim().parse() {
[INFO] [stderr] 18 | |             Ok(num) => num,
[INFO] [stderr] 19 | |             Err(_) => {
[INFO] [stderr] 20 | |                 println!("Invalid number");
[INFO] [stderr] 21 | |                 continue;
[INFO] [stderr] 22 | |             }
[INFO] [stderr] 23 | |         };
[INFO] [stderr]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-718a70c6cd25c12e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "548cd78152d846115210fa637e9b454f7baafd2d2287e223b6b3f105b62d3224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548cd78152d846115210fa637e9b454f7baafd2d2287e223b6b3f105b62d3224", kill_on_drop: false }`
[INFO] [stdout] 548cd78152d846115210fa637e9b454f7baafd2d2287e223b6b3f105b62d3224