[INFO] cloning repository https://github.com/abhinash-pdl/tile2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhinash-pdl/tile2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhinash-pdl%2Ftile2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhinash-pdl%2Ftile2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9ed6758e76eceea47361d544e309f477dc8c65d
[INFO] checking abhinash-pdl/tile2048 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhinash-pdl%2Ftile2048" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abhinash-pdl/tile2048
[INFO] finished tweaking git repo https://github.com/abhinash-pdl/tile2048
[INFO] tweaked toml for git repo https://github.com/abhinash-pdl/tile2048 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abhinash-pdl/tile2048 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abhinash-pdl/tile2048 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fontdue v0.9.4
[INFO] [stderr]   Downloaded miniquad v0.4.11
[INFO] [stderr]   Downloaded macroquad v0.4.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b
[INFO] running `Command { std: "docker" "start" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniquad v0.4.11
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking core_maths v0.1.1
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking quad-rand v0.2.3
[INFO] [stderr]     Checking glam v0.27.0
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling macroquad_macro v0.1.8
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking fontdue v0.9.4
[INFO] [stderr]     Checking macroquad v0.4.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.7
[INFO] [stderr]     Checking tile2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut vals: Vec<u32> = row.iter().cloned().filter(|&v| v != 0).collect();
[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: associated items `slide_and_merge_left`, `apply_move`, and `print` are never used
[INFO] [stdout]    --> src/board.rs:68:8
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  68 |     fn slide_and_merge_left(row: [u32; SIZE]) -> ([u32; SIZE], u64, bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn apply_move(&mut self, dir: Direction) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut vals: Vec<u32> = row.iter().cloned().filter(|&v| v != 0).collect();
[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: method `print` is never used
[INFO] [stdout]    --> src/board.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `Command { std: "docker" "inspect" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b", kill_on_drop: false }`
[INFO] [stdout] c258f3f2806844dda2a67d45b2990f40abbd0aafe5fdaa204fe492698dc5683b
