[INFO] cloning repository https://github.com/foxbot/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foxbot/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxbot%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxbot%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 288dc94d6af7c09f41f20a9a37bfcfdf69cab6b3
[INFO] checking foxbot/chip8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxbot%2Fchip8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foxbot/chip8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foxbot/chip8
[INFO] finished tweaking git repo https://github.com/foxbot/chip8
[INFO] tweaked toml for git repo https://github.com/foxbot/chip8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/foxbot/chip8 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 904290ecc7a314bbca47d8aec450c499c9192c175689937241b62e801f8cdaee
[INFO] running `Command { std: "docker" "start" "-a" "904290ecc7a314bbca47d8aec450c499c9192c175689937241b62e801f8cdaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "904290ecc7a314bbca47d8aec450c499c9192c175689937241b62e801f8cdaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904290ecc7a314bbca47d8aec450c499c9192c175689937241b62e801f8cdaee", kill_on_drop: false }`
[INFO] [stdout] 904290ecc7a314bbca47d8aec450c499c9192c175689937241b62e801f8cdaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f15eac65ef031fe4cdacb14f1f1408076ebdfc935dc24c0aa0958712cefd9d31
[INFO] running `Command { std: "docker" "start" "-a" "f15eac65ef031fe4cdacb14f1f1408076ebdfc935dc24c0aa0958712cefd9d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout]    |                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 - const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout] 14 + const TILE_WIDTH: u32 = WIDTH / 64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout]    |                          ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout] 15 + const TILE_HEIGHT: u32 = HEIGHT / 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout]    |                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 - const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout] 14 + const TILE_WIDTH: u32 = WIDTH / 64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout]    |                          ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout] 15 + const TILE_HEIGHT: u32 = HEIGHT / 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "f15eac65ef031fe4cdacb14f1f1408076ebdfc935dc24c0aa0958712cefd9d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15eac65ef031fe4cdacb14f1f1408076ebdfc935dc24c0aa0958712cefd9d31", kill_on_drop: false }`
[INFO] [stdout] f15eac65ef031fe4cdacb14f1f1408076ebdfc935dc24c0aa0958712cefd9d31
[INFO] checking foxbot/chip8 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxbot%2Fchip8" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foxbot/chip8 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foxbot/chip8
[INFO] finished tweaking git repo https://github.com/foxbot/chip8
[INFO] tweaked toml for git repo https://github.com/foxbot/chip8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/foxbot/chip8 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32bba1e3e41cea10fe0e4888ed2699f0f52ab81fcecd13d0a2765df0e7ce483b
[INFO] running `Command { std: "docker" "start" "-a" "32bba1e3e41cea10fe0e4888ed2699f0f52ab81fcecd13d0a2765df0e7ce483b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32bba1e3e41cea10fe0e4888ed2699f0f52ab81fcecd13d0a2765df0e7ce483b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bba1e3e41cea10fe0e4888ed2699f0f52ab81fcecd13d0a2765df0e7ce483b", kill_on_drop: false }`
[INFO] [stdout] 32bba1e3e41cea10fe0e4888ed2699f0f52ab81fcecd13d0a2765df0e7ce483b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d840e78c696ca6950e87dc2196a2e9c7c317e598df7b33bc263806b492ec447
[INFO] running `Command { std: "docker" "start" "-a" "7d840e78c696ca6950e87dc2196a2e9c7c317e598df7b33bc263806b492ec447", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout]    |                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 - const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout] 14 + const TILE_WIDTH: u32 = WIDTH / 64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout]    |                          ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout] 15 + const TILE_HEIGHT: u32 = HEIGHT / 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout]    |                         ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 - const TILE_WIDTH: u32 = (WIDTH / 64);
[INFO] [stdout] 14 + const TILE_WIDTH: u32 = WIDTH / 64;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout]    |                          ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 - const TILE_HEIGHT: u32 = (HEIGHT / 32);
[INFO] [stdout] 15 + const TILE_HEIGHT: u32 = HEIGHT / 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "7d840e78c696ca6950e87dc2196a2e9c7c317e598df7b33bc263806b492ec447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d840e78c696ca6950e87dc2196a2e9c7c317e598df7b33bc263806b492ec447", kill_on_drop: false }`
[INFO] [stdout] 7d840e78c696ca6950e87dc2196a2e9c7c317e598df7b33bc263806b492ec447