[INFO] fetching crate ascii-hangman-backend 5.7.2...
[INFO] checking ascii-hangman-backend-5.7.2 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate ascii-hangman-backend 5.7.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ascii-hangman-backend 5.7.2 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ascii-hangman-backend 5.7.2
[INFO] finished tweaking crates.io crate ascii-hangman-backend 5.7.2
[INFO] tweaked toml for crates.io crate ascii-hangman-backend 5.7.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3aeade3f1473ab5d99d91dad2854c8b93104a90a1052386ef481ddbc2466952
[INFO] running `Command { std: "docker" "start" "-a" "d3aeade3f1473ab5d99d91dad2854c8b93104a90a1052386ef481ddbc2466952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3aeade3f1473ab5d99d91dad2854c8b93104a90a1052386ef481ddbc2466952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3aeade3f1473ab5d99d91dad2854c8b93104a90a1052386ef481ddbc2466952", kill_on_drop: false }`
[INFO] [stdout] d3aeade3f1473ab5d99d91dad2854c8b93104a90a1052386ef481ddbc2466952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f2c1355fbb39edf44526b6d149e45f932df1d7d6205635638d8e748478657d
[INFO] running `Command { std: "docker" "start" "-a" "05f2c1355fbb39edf44526b6d149e45f932df1d7d6205635638d8e748478657d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ascii-hangman-backend v5.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/image.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout]    |               ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout] 94 +             i[x as usize + y as usize * (x_max + 1)] = code;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/image.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout]    |               ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -             i[(x as usize + y as usize * (x_max + 1))] = code;
[INFO] [stdout] 94 +             i[x as usize + y as usize * (x_max + 1)] = code;
[INFO] [stdout]    |
[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 2.09s
[INFO] running `Command { std: "docker" "inspect" "05f2c1355fbb39edf44526b6d149e45f932df1d7d6205635638d8e748478657d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f2c1355fbb39edf44526b6d149e45f932df1d7d6205635638d8e748478657d", kill_on_drop: false }`
[INFO] [stdout] 05f2c1355fbb39edf44526b6d149e45f932df1d7d6205635638d8e748478657d
