[INFO] cloning repository https://github.com/devalexwhite/rust-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devalexwhite/rust-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevalexwhite%2Frust-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevalexwhite%2Frust-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3fdc05fb854bd284a01d453fa2e26c619bdd257
[INFO] checking devalexwhite/rust-sudoku against try#fcfb0ffc7ed7fc631df1136063939ef648434735 for pr-152543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevalexwhite%2Frust-sudoku" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/devalexwhite/rust-sudoku
[INFO] finished tweaking git repo https://github.com/devalexwhite/rust-sudoku
[INFO] tweaked toml for git repo https://github.com/devalexwhite/rust-sudoku written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/devalexwhite/rust-sudoku on toolchain fcfb0ffc7ed7fc631df1136063939ef648434735
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/devalexwhite/rust-sudoku 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" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb65f91b3b5900c2749877c122b4dce719d9c4027127052b4190077e56dcf467
[INFO] running `Command { std: "docker" "start" "-a" "bb65f91b3b5900c2749877c122b4dce719d9c4027127052b4190077e56dcf467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb65f91b3b5900c2749877c122b4dce719d9c4027127052b4190077e56dcf467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb65f91b3b5900c2749877c122b4dce719d9c4027127052b4190077e56dcf467", kill_on_drop: false }`
[INFO] [stdout] bb65f91b3b5900c2749877c122b4dce719d9c4027127052b4190077e56dcf467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac14edd48ddea628d7cd8c4eaa734bdc41b8c63e33b0c60191a28c041a2e2ab1
[INFO] running `Command { std: "docker" "start" "-a" "ac14edd48ddea628d7cd8c4eaa734bdc41b8c63e33b0c60191a28c041a2e2ab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]     Checking memchr v2.7.6
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[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]     Checking nom_locate v4.2.0
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[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]     Checking thiserror v2.0.17
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[INFO] [stderr]     Checking kuchiki v0.8.1
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[INFO] [stderr]     Checking rust-fontconfig v1.0.2
[INFO] [stderr]     Checking azul-core v0.0.5
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[INFO] [stderr]     Checking subsetter v0.2.3
[INFO] [stderr]     Checking svg2pdf v0.13.0
[INFO] [stderr]     Checking printpdf v0.8.2
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                 [0; 11].map(|_| {
[INFO] [stdout] 76 | |                     row.push_element(if i == 80 {
[INFO] [stdout] 77 | |                         genpdf::elements::Break::new(1)
[INFO] [stdout] 78 | |                     } else {
[INFO] [stdout] 79 | |                         genpdf::elements::Break::new(2)
[INFO] [stdout] 80 | |                     })
[INFO] [stdout] 81 | |                 });
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let _ = [0; 11].map(|_| {
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                 [0; 11].map(|_| {
[INFO] [stdout] 76 | |                     row.push_element(if i == 80 {
[INFO] [stdout] 77 | |                         genpdf::elements::Break::new(1)
[INFO] [stdout] 78 | |                     } else {
[INFO] [stdout] 79 | |                         genpdf::elements::Break::new(2)
[INFO] [stdout] 80 | |                     })
[INFO] [stdout] 81 | |                 });
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let _ = [0; 11].map(|_| {
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.76s
[INFO] running `Command { std: "docker" "inspect" "ac14edd48ddea628d7cd8c4eaa734bdc41b8c63e33b0c60191a28c041a2e2ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac14edd48ddea628d7cd8c4eaa734bdc41b8c63e33b0c60191a28c041a2e2ab1", kill_on_drop: false }`
[INFO] [stdout] ac14edd48ddea628d7cd8c4eaa734bdc41b8c63e33b0c60191a28c041a2e2ab1