[INFO] cloning repository https://github.com/markwayne24/rust_snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markwayne24/rust_snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkwayne24%2Frust_snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkwayne24%2Frust_snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83d35077bae1733744c4b3da8d544f7d4f1327ec
[INFO] checking markwayne24/rust_snake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkwayne24%2Frust_snake" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markwayne24/rust_snake 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/markwayne24/rust_snake
[INFO] finished tweaking git repo https://github.com/markwayne24/rust_snake
[INFO] tweaked toml for git repo https://github.com/markwayne24/rust_snake written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/markwayne24/rust_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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.79.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.41.0
[INFO] [stderr]   Downloaded wasi v0.10.3+wasi-snapshot-preview1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07aaf2c05bdefc8a91b2ac970ec213c54f80874b43d51bbaef4104e21daf0dc8
[INFO] running `Command { std: "docker" "start" "-a" "07aaf2c05bdefc8a91b2ac970ec213c54f80874b43d51bbaef4104e21daf0dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07aaf2c05bdefc8a91b2ac970ec213c54f80874b43d51bbaef4104e21daf0dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07aaf2c05bdefc8a91b2ac970ec213c54f80874b43d51bbaef4104e21daf0dc8", kill_on_drop: false }`
[INFO] [stdout] 07aaf2c05bdefc8a91b2ac970ec213c54f80874b43d51bbaef4104e21daf0dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 32cd7b4842a7a301eafe13db305f8feadd7397a7811375b4e331b2460ffc53f9
[INFO] running `Command { std: "docker" "start" "-a" "32cd7b4842a7a301eafe13db305f8feadd7397a7811375b4e331b2460ffc53f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking piston-viewport v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.28.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking piston2d-graphics v0.41.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking wayland-client v0.28.6
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking wayland-protocols v0.28.6
[INFO] [stderr]     Checking wayland-egl v0.28.6
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking pistoncore-window v0.47.1
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.1
[INFO] [stderr]     Checking piston v0.53.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.79.0
[INFO] [stderr]     Checking glutin v0.26.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.69.0
[INFO] [stderr]     Checking rust_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::LinkedList, iter::FromIterator};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{collections::LinkedList, iter::FromIterator};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 18.10s
[INFO] running `Command { std: "docker" "inspect" "32cd7b4842a7a301eafe13db305f8feadd7397a7811375b4e331b2460ffc53f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32cd7b4842a7a301eafe13db305f8feadd7397a7811375b4e331b2460ffc53f9", kill_on_drop: false }`
[INFO] [stdout] 32cd7b4842a7a301eafe13db305f8feadd7397a7811375b4e331b2460ffc53f9