[INFO] cloning repository https://github.com/dotrungkien/rust-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/dotrungkien/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotrungkien%2Frust-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotrungkien%2Frust-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dfbcf67c7449bb53baa8df5800c11f1dd42fa95
[INFO] checking dotrungkien/rust-guessing-game against e5e97e3ef0ee95d34bea49cdac051ed1bbac01df for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotrungkien%2Frust-guessing-game" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dotrungkien/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/dotrungkien/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/dotrungkien/rust-guessing-game written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dotrungkien/rust-guessing-game on toolchain e5e97e3ef0ee95d34bea49cdac051ed1bbac01df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dotrungkien/rust-guessing-game 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" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d
[INFO] running `Command { std: "docker" "start" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d" "/opt/rustwide/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d" "/opt/rustwide/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking guessing-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |             .read_line((&mut guess))
[INFO] [stdout]    |                        ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -             .read_line((&mut guess))
[INFO] [stdout] 15 +             .read_line(&mut guess)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |             .read_line((&mut guess))
[INFO] [stdout]    |                        ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -             .read_line((&mut guess))
[INFO] [stdout] 15 +             .read_line(&mut guess)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d", kill_on_drop: false }`
[INFO] [stdout] 997547ed952c8366d3d7a4ca352dd8d55429017f8db4989bcfe66141567c002d
