[INFO] cloning repository https://github.com/eg-mart/rusty-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eg-mart/rusty-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feg-mart%2Frusty-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feg-mart%2Frusty-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dcbe268ff72e30ca73815067b35f78f092e47bb
[INFO] checking eg-mart/rusty-chess against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feg-mart%2Frusty-chess" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eg-mart/rusty-chess
[INFO] finished tweaking git repo https://github.com/eg-mart/rusty-chess
[INFO] tweaked toml for git repo https://github.com/eg-mart/rusty-chess written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eg-mart/rusty-chess on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eg-mart/rusty-chess 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4b613365ec35f21730961f537fbc0cea00ffa1d380b6b362b130b36450b2eae
[INFO] running `Command { std: "docker" "start" "-a" "a4b613365ec35f21730961f537fbc0cea00ffa1d380b6b362b130b36450b2eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4b613365ec35f21730961f537fbc0cea00ffa1d380b6b362b130b36450b2eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b613365ec35f21730961f537fbc0cea00ffa1d380b6b362b130b36450b2eae", kill_on_drop: false }`
[INFO] [stdout] a4b613365ec35f21730961f537fbc0cea00ffa1d380b6b362b130b36450b2eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425ac6ebe39df0c424857d7ac457523ae11f3e440e74e3b536d79be14445cdd0
[INFO] running `Command { std: "docker" "start" "-a" "425ac6ebe39df0c424857d7ac457523ae11f3e440e74e3b536d79be14445cdd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     canvas.with_texture_canvas(background_texture, |texture_canvas| {
[INFO] [stdout] 10 | |         for y in 0..8 {
[INFO] [stdout] 11 | |             for x in 0..8 {
[INFO] [stdout] 12 | |                 if x % 2 == y % 2 {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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]  9 |     let _ = canvas.with_texture_canvas(background_texture, |texture_canvas| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 texture_canvas.fill_rect(Rect::new(x * 50, y * 50, 50, 50));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 let _ = texture_canvas.fill_rect(Rect::new(x * 50, y * 50, 50, 50));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         canvas.copy(&background_texture, None, Rect::new(0, 0, 400, 400));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = canvas.copy(&background_texture, None, Rect::new(0, 0, 400, 400));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     canvas.with_texture_canvas(background_texture, |texture_canvas| {
[INFO] [stdout] 10 | |         for y in 0..8 {
[INFO] [stdout] 11 | |             for x in 0..8 {
[INFO] [stdout] 12 | |                 if x % 2 == y % 2 {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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]  9 |     let _ = canvas.with_texture_canvas(background_texture, |texture_canvas| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 texture_canvas.fill_rect(Rect::new(x * 50, y * 50, 50, 50));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 let _ = texture_canvas.fill_rect(Rect::new(x * 50, y * 50, 50, 50));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         canvas.copy(&background_texture, None, Rect::new(0, 0, 400, 400));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let _ = canvas.copy(&background_texture, None, Rect::new(0, 0, 400, 400));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "425ac6ebe39df0c424857d7ac457523ae11f3e440e74e3b536d79be14445cdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425ac6ebe39df0c424857d7ac457523ae11f3e440e74e3b536d79be14445cdd0", kill_on_drop: false }`
[INFO] [stdout] 425ac6ebe39df0c424857d7ac457523ae11f3e440e74e3b536d79be14445cdd0
