[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] checking zemse/guessing-game against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzemse%2Fguessing-game" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zemse/guessing-game on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-9/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 460a9862234be0bd9cf978c43da4223a45c1d4c6de230f229ba6614c67d7c3a0
[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" "460a9862234be0bd9cf978c43da4223a45c1d4c6de230f229ba6614c67d7c3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "460a9862234be0bd9cf978c43da4223a45c1d4c6de230f229ba6614c67d7c3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460a9862234be0bd9cf978c43da4223a45c1d4c6de230f229ba6614c67d7c3a0", kill_on_drop: false }`
[INFO] [stdout] 460a9862234be0bd9cf978c43da4223a45c1d4c6de230f229ba6614c67d7c3a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a5019b4b1a591971f1d4e51f1074ef518cf7b118ac57881b46b7da9f63b352
[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" "19a5019b4b1a591971f1d4e51f1074ef518cf7b118ac57881b46b7da9f63b352", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking 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] 
[INFO] [stdout] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "19a5019b4b1a591971f1d4e51f1074ef518cf7b118ac57881b46b7da9f63b352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a5019b4b1a591971f1d4e51f1074ef518cf7b118ac57881b46b7da9f63b352", kill_on_drop: false }`
[INFO] [stdout] 19a5019b4b1a591971f1d4e51f1074ef518cf7b118ac57881b46b7da9f63b352