[INFO] cloning repository https://github.com/Dzuvan/Snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dzuvan/Snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FSnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FSnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba84bdbb08f8b8adce8d27581fe323f701817ff6
[INFO] checking Dzuvan/Snake against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDzuvan%2FSnake" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dzuvan/Snake on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dzuvan/Snake
[INFO] finished tweaking git repo https://github.com/Dzuvan/Snake
[INFO] tweaked toml for git repo https://github.com/Dzuvan/Snake written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dzuvan/Snake 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded c_vec v1.0.12
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.32
[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_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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ae97ffb7bed0047f475f5e79b6ededf50d15499daa726dd450daa7f7c52601a
[INFO] running `Command { std: "docker" "start" "-a" "4ae97ffb7bed0047f475f5e79b6ededf50d15499daa726dd450daa7f7c52601a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae97ffb7bed0047f475f5e79b6ededf50d15499daa726dd450daa7f7c52601a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae97ffb7bed0047f475f5e79b6ededf50d15499daa726dd450daa7f7c52601a", kill_on_drop: false }`
[INFO] [stdout] 4ae97ffb7bed0047f475f5e79b6ededf50d15499daa726dd450daa7f7c52601a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5061022fa755e6a412927ce2bdf88e79b324e244a4770458a732c9a345e6b00
[INFO] running `Command { std: "docker" "start" "-a" "f5061022fa755e6a412927ce2bdf88e79b324e244a4770458a732c9a345e6b00", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling sdl2-sys v0.30.0 (https://github.com/AngryLawyer/rust-sdl2#085d0679)
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking sdl2 v0.30.0 (https://github.com/AngryLawyer/rust-sdl2#085d0679)
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `total` is never read
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Snake {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     total: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Snake` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total` is never read
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Snake {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     total: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Snake` has derived impls for the traits `Debug` and `Clone`, but these are 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 1.23s
[INFO] running `Command { std: "docker" "inspect" "f5061022fa755e6a412927ce2bdf88e79b324e244a4770458a732c9a345e6b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5061022fa755e6a412927ce2bdf88e79b324e244a4770458a732c9a345e6b00", kill_on_drop: false }`
[INFO] [stdout] f5061022fa755e6a412927ce2bdf88e79b324e244a4770458a732c9a345e6b00