[INFO] updating cached repository https://github.com/Marcin-Radecki/snake2d
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75a1c044953a8893b12864be7b1c9a676cb8e467
[INFO] checking Marcin-Radecki/snake2d against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcin-Radecki%2Fsnake2d" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marcin-Radecki/snake2d on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Marcin-Radecki/snake2d
[INFO] finished tweaking git repo https://github.com/Marcin-Radecki/snake2d
[INFO] tweaked toml for git repo https://github.com/Marcin-Radecki/snake2d written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Marcin-Radecki/snake2d already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95b717c9294a851248f38005e5cbb2a67dfc26c51a3ef9a505201a49da97c666
[INFO] running `"docker" "start" "-a" "95b717c9294a851248f38005e5cbb2a67dfc26c51a3ef9a505201a49da97c666"`
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.69.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking snake2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]    --> src/game_logic.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     use std::iter::FromIterator;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.59s
[INFO] running `"docker" "inspect" "95b717c9294a851248f38005e5cbb2a67dfc26c51a3ef9a505201a49da97c666"`
[INFO] running `"docker" "rm" "-f" "95b717c9294a851248f38005e5cbb2a67dfc26c51a3ef9a505201a49da97c666"`
[INFO] [stdout] 95b717c9294a851248f38005e5cbb2a67dfc26c51a3ef9a505201a49da97c666