[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemse%2Fguessing-game" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zemse/guessing-game on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 801d3f31be761eaeeff282298d5e32efcefe9b50c37bd79c517ead3139126335
[INFO] running `Command { std: "docker" "start" "-a" "801d3f31be761eaeeff282298d5e32efcefe9b50c37bd79c517ead3139126335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "801d3f31be761eaeeff282298d5e32efcefe9b50c37bd79c517ead3139126335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801d3f31be761eaeeff282298d5e32efcefe9b50c37bd79c517ead3139126335", kill_on_drop: false }`
[INFO] [stdout] 801d3f31be761eaeeff282298d5e32efcefe9b50c37bd79c517ead3139126335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9024c85c28ad2cc811cb4de580364e7318b0073f5602f7b71e0a2fc0f4ee79fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9024c85c28ad2cc811cb4de580364e7318b0073f5602f7b71e0a2fc0f4ee79fc", kill_on_drop: false }`
[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 1.66s
[INFO] running `Command { std: "docker" "inspect" "9024c85c28ad2cc811cb4de580364e7318b0073f5602f7b71e0a2fc0f4ee79fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9024c85c28ad2cc811cb4de580364e7318b0073f5602f7b71e0a2fc0f4ee79fc", kill_on_drop: false }`
[INFO] [stdout] 9024c85c28ad2cc811cb4de580364e7318b0073f5602f7b71e0a2fc0f4ee79fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7df8684f12b89483540449364a081ba97a00abc4bc52845fc38ff237640270ff
[INFO] running `Command { std: "docker" "start" "-a" "7df8684f12b89483540449364a081ba97a00abc4bc52845fc38ff237640270ff", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "7df8684f12b89483540449364a081ba97a00abc4bc52845fc38ff237640270ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df8684f12b89483540449364a081ba97a00abc4bc52845fc38ff237640270ff", kill_on_drop: false }`
[INFO] [stdout] 7df8684f12b89483540449364a081ba97a00abc4bc52845fc38ff237640270ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82a16d38bd744f43d51a0ec2adc789cf30ff8a5984d3030369e02c295721dabb
[INFO] running `Command { std: "docker" "start" "-a" "82a16d38bd744f43d51a0ec2adc789cf30ff8a5984d3030369e02c295721dabb", 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 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-edb09c59613a2859)
[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" "82a16d38bd744f43d51a0ec2adc789cf30ff8a5984d3030369e02c295721dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a16d38bd744f43d51a0ec2adc789cf30ff8a5984d3030369e02c295721dabb", kill_on_drop: false }`
[INFO] [stdout] 82a16d38bd744f43d51a0ec2adc789cf30ff8a5984d3030369e02c295721dabb