[INFO] cloning repository https://github.com/euclidthedark/snake-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euclidthedark/snake-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidthedark%2Fsnake-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidthedark%2Fsnake-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cab9d5905d1e2d301c740a7f16d26e40b59a17c
[INFO] checking euclidthedark/snake-rust against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidthedark%2Fsnake-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/euclidthedark/snake-rust on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/euclidthedark/snake-rust
[INFO] finished tweaking git repo https://github.com/euclidthedark/snake-rust
[INFO] tweaked toml for git repo https://github.com/euclidthedark/snake-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/euclidthedark/snake-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23d68e1cd21dc730854cd468afbd3cf82c1a3d53fbce90d691434f102ed08fdb
[INFO] running `Command { std: "docker" "start" "-a" "23d68e1cd21dc730854cd468afbd3cf82c1a3d53fbce90d691434f102ed08fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23d68e1cd21dc730854cd468afbd3cf82c1a3d53fbce90d691434f102ed08fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d68e1cd21dc730854cd468afbd3cf82c1a3d53fbce90d691434f102ed08fdb", kill_on_drop: false }`
[INFO] [stdout] 23d68e1cd21dc730854cd468afbd3cf82c1a3d53fbce90d691434f102ed08fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56488d2e222e3cccf3a566a53dc8ff1b6e9e72744ffe4853f50b7102f2b8bb20
[INFO] running `Command { std: "docker" "start" "-a" "56488d2e222e3cccf3a566a53dc8ff1b6e9e72744ffe4853f50b7102f2b8bb20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]     Checking mockall v0.9.1
[INFO] [stderr]     Checking snake-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]  --> src/game/board.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Board {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/game/board.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(max_lines: i32, max_columns: i32) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]  --> src/game/snake.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Snake {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/game/snake.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(starting_position: (i32, i32)) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_snake`
[INFO] [stdout]   --> src/game/snake.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn move_snake(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.55s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56488d2e222e3cccf3a566a53dc8ff1b6e9e72744ffe4853f50b7102f2b8bb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56488d2e222e3cccf3a566a53dc8ff1b6e9e72744ffe4853f50b7102f2b8bb20", kill_on_drop: false }`
[INFO] [stdout] 56488d2e222e3cccf3a566a53dc8ff1b6e9e72744ffe4853f50b7102f2b8bb20