[INFO] cloning repository https://github.com/JackMordaunt/fog-of-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JackMordaunt/fog-of-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackMordaunt%2Ffog-of-chess", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b823de3984a9846340d3dec058550efbe6e00428
[INFO] building JackMordaunt/fog-of-chess against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackMordaunt%2Ffog-of-chess" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JackMordaunt/fog-of-chess
[INFO] finished tweaking git repo https://github.com/JackMordaunt/fog-of-chess
[INFO] tweaked toml for git repo https://github.com/JackMordaunt/fog-of-chess written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JackMordaunt/fog-of-chess on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JackMordaunt/fog-of-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (mut ctx, mut event_loop) = ContextBuilder::new("Fog of War", "Jack Mordaunt")
[INFO] [stdout]    |                   ----^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 | /             mb.rectangle(
[INFO] [stdout] 512 | |                 graphics::DrawMode::fill(),
[INFO] [stdout] 513 | |                 graphics::Rect::new(x * w, y * h, w, h),
[INFO] [stdout] 514 | |                 color,
[INFO] [stdout] 515 | |             );
[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] 511 |             let _ = mb.rectangle(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 | /             mb.rectangle(
[INFO] [stdout] 573 | |                 DrawMode::stroke(2.0),
[INFO] [stdout] 574 | |                 Rect::new(x * w, y * h, w, h),
[INFO] [stdout] 575 | |                 PURE_APPLE,
[INFO] [stdout] 576 | |             );
[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] 572 |             let _ = mb.rectangle(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:613:21
[INFO] [stdout]     |
[INFO] [stdout] 613 | /                     mb.rectangle(
[INFO] [stdout] 614 | |                         graphics::DrawMode::fill(),
[INFO] [stdout] 615 | |                         graphics::Rect::new(x * w, y * h, w, h),
[INFO] [stdout] 616 | |                         graphics::Color::BLACK,
[INFO] [stdout] 617 | |                     );
[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] 613 |                     let _ = mb.rectangle(
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:939:13
[INFO] [stdout]     |
[INFO] [stdout] 939 |     fn iter(&self) -> BoardIter {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 939 |     fn iter(&self) -> BoardIter<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "9eeb70fe66a66aad66ccafc4cde2ba5faf8002b19187f7aaf50275dec77e6b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eeb70fe66a66aad66ccafc4cde2ba5faf8002b19187f7aaf50275dec77e6b98", kill_on_drop: false }`
[INFO] [stdout] 9eeb70fe66a66aad66ccafc4cde2ba5faf8002b19187f7aaf50275dec77e6b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ce58f63a50ada6bfcfb5edd51c7cc528996f618813877ca76eff6ea58ca3d1
[INFO] running `Command { std: "docker" "start" "-a" "62ce58f63a50ada6bfcfb5edd51c7cc528996f618813877ca76eff6ea58ca3d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (mut ctx, mut event_loop) = ContextBuilder::new("Fog of War", "Jack Mordaunt")
[INFO] [stdout]    |                   ----^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 | /             mb.rectangle(
[INFO] [stdout] 512 | |                 graphics::DrawMode::fill(),
[INFO] [stdout] 513 | |                 graphics::Rect::new(x * w, y * h, w, h),
[INFO] [stdout] 514 | |                 color,
[INFO] [stdout] 515 | |             );
[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] 511 |             let _ = mb.rectangle(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 572 | /             mb.rectangle(
[INFO] [stdout] 573 | |                 DrawMode::stroke(2.0),
[INFO] [stdout] 574 | |                 Rect::new(x * w, y * h, w, h),
[INFO] [stdout] 575 | |                 PURE_APPLE,
[INFO] [stdout] 576 | |             );
[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] 572 |             let _ = mb.rectangle(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:613:21
[INFO] [stdout]     |
[INFO] [stdout] 613 | /                     mb.rectangle(
[INFO] [stdout] 614 | |                         graphics::DrawMode::fill(),
[INFO] [stdout] 615 | |                         graphics::Rect::new(x * w, y * h, w, h),
[INFO] [stdout] 616 | |                         graphics::Color::BLACK,
[INFO] [stdout] 617 | |                     );
[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] 613 |                     let _ = mb.rectangle(
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:939:13
[INFO] [stdout]     |
[INFO] [stdout] 939 |     fn iter(&self) -> BoardIter {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 939 |     fn iter(&self) -> BoardIter<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "62ce58f63a50ada6bfcfb5edd51c7cc528996f618813877ca76eff6ea58ca3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ce58f63a50ada6bfcfb5edd51c7cc528996f618813877ca76eff6ea58ca3d1", kill_on_drop: false }`
[INFO] [stdout] 62ce58f63a50ada6bfcfb5edd51c7cc528996f618813877ca76eff6ea58ca3d1
