[INFO] cloning repository https://github.com/kanjie128/snake-sdl-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanjie128/snake-sdl-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsnake-sdl-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsnake-sdl-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b753e0547da8c96cee9ac88caa6c1e7cf4dd90
[INFO] checking kanjie128/snake-sdl-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsnake-sdl-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanjie128/snake-sdl-rs 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/kanjie128/snake-sdl-rs
[INFO] finished tweaking git repo https://github.com/kanjie128/snake-sdl-rs
[INFO] tweaked toml for git repo https://github.com/kanjie128/snake-sdl-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kanjie128/snake-sdl-rs 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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88bb4db845f9c1c845c23127c36e1c0aaa9aa871fa9576a6d3994e20c56e9d37
[INFO] running `Command { std: "docker" "start" "-a" "88bb4db845f9c1c845c23127c36e1c0aaa9aa871fa9576a6d3994e20c56e9d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88bb4db845f9c1c845c23127c36e1c0aaa9aa871fa9576a6d3994e20c56e9d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bb4db845f9c1c845c23127c36e1c0aaa9aa871fa9576a6d3994e20c56e9d37", kill_on_drop: false }`
[INFO] [stdout] 88bb4db845f9c1c845c23127c36e1c0aaa9aa871fa9576a6d3994e20c56e9d37
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd2cb345ad78d6aac85449e3c6148ed07ba9db88c586f2402daffcf4e462b21
[INFO] running `Command { std: "docker" "start" "-a" "5dd2cb345ad78d6aac85449e3c6148ed07ba9db88c586f2402daffcf4e462b21", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking snake-sdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]   --> src/snake.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum SnakeStatus {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 79 |     Running,
[INFO] [stdout] 80 |     Pause,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SnakeStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]   --> src/snake.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum SnakeStatus {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 79 |     Running,
[INFO] [stdout] 80 |     Pause,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SnakeStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "5dd2cb345ad78d6aac85449e3c6148ed07ba9db88c586f2402daffcf4e462b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd2cb345ad78d6aac85449e3c6148ed07ba9db88c586f2402daffcf4e462b21", kill_on_drop: false }`
[INFO] [stdout] 5dd2cb345ad78d6aac85449e3c6148ed07ba9db88c586f2402daffcf4e462b21
[INFO] checking kanjie128/snake-sdl-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsnake-sdl-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanjie128/snake-sdl-rs 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/kanjie128/snake-sdl-rs
[INFO] finished tweaking git repo https://github.com/kanjie128/snake-sdl-rs
[INFO] tweaked toml for git repo https://github.com/kanjie128/snake-sdl-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kanjie128/snake-sdl-rs 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ee0480466869d794c9d3e395fe0476e1aa0d2cdab8f725c4251188cf84e23cdb
[INFO] running `Command { std: "docker" "start" "-a" "ee0480466869d794c9d3e395fe0476e1aa0d2cdab8f725c4251188cf84e23cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0480466869d794c9d3e395fe0476e1aa0d2cdab8f725c4251188cf84e23cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0480466869d794c9d3e395fe0476e1aa0d2cdab8f725c4251188cf84e23cdb", kill_on_drop: false }`
[INFO] [stdout] ee0480466869d794c9d3e395fe0476e1aa0d2cdab8f725c4251188cf84e23cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 37b86c8c0904ef90f1694ab1ac3f6bb31e57fdf51a84dabd4aef9bc864dd0ae5
[INFO] running `Command { std: "docker" "start" "-a" "37b86c8c0904ef90f1694ab1ac3f6bb31e57fdf51a84dabd4aef9bc864dd0ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking snake-sdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]   --> src/snake.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum SnakeStatus {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 79 |     Running,
[INFO] [stdout] 80 |     Pause,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SnakeStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]   --> src/snake.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | enum SnakeStatus {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 79 |     Running,
[INFO] [stdout] 80 |     Pause,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SnakeStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "37b86c8c0904ef90f1694ab1ac3f6bb31e57fdf51a84dabd4aef9bc864dd0ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b86c8c0904ef90f1694ab1ac3f6bb31e57fdf51a84dabd4aef9bc864dd0ae5", kill_on_drop: false }`
[INFO] [stdout] 37b86c8c0904ef90f1694ab1ac3f6bb31e57fdf51a84dabd4aef9bc864dd0ae5