[INFO] cloning repository https://github.com/Fluci/snakes-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fluci/snakes-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFluci%2Fsnakes-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFluci%2Fsnakes-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0c905b58ca9f45edae9eae39516abc7d3dc3e51
[INFO] checking Fluci/snakes-rs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFluci%2Fsnakes-rs" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fluci/snakes-rs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fluci/snakes-rs
[INFO] finished tweaking git repo https://github.com/Fluci/snakes-rs
[INFO] tweaked toml for git repo https://github.com/Fluci/snakes-rs written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/Fluci/snakes-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c38d8d72eae204ad3b6a8d7205a6178bc089e722b785f2e9ec0728c00f7685b
[INFO] running `Command { std: "docker" "start" "-a" "7c38d8d72eae204ad3b6a8d7205a6178bc089e722b785f2e9ec0728c00f7685b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c38d8d72eae204ad3b6a8d7205a6178bc089e722b785f2e9ec0728c00f7685b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c38d8d72eae204ad3b6a8d7205a6178bc089e722b785f2e9ec0728c00f7685b", kill_on_drop: false }`
[INFO] [stdout] 7c38d8d72eae204ad3b6a8d7205a6178bc089e722b785f2e9ec0728c00f7685b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a95044d0ac01e367c8d4828f9b69bc3d273816ca3588d0ebc5660c6699a2251
[INFO] running `Command { std: "docker" "start" "-a" "8a95044d0ac01e367c8d4828f9b69bc3d273816ca3588d0ebc5660c6699a2251", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking snakes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/grid/ai/space_explorer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/grid/ai/space_explorer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]   --> src/grid/view/noop_view.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn draw_world(&mut self, world: &World) {}
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]   --> src/grid/view/noop_view.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn draw_world(&mut self, world: &World) {}
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NoopView`
[INFO] [stdout]  --> src/play/main.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 | use gridsnakes::view::{Controller, TermionView, NoopView};
[INFO] [stdout]   |                                                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NoopView`
[INFO] [stdout]  --> src/play/main.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 | use gridsnakes::view::{Controller, TermionView, NoopView};
[INFO] [stdout]   |                                                 ^^^^^^^^
[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 [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "8a95044d0ac01e367c8d4828f9b69bc3d273816ca3588d0ebc5660c6699a2251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a95044d0ac01e367c8d4828f9b69bc3d273816ca3588d0ebc5660c6699a2251", kill_on_drop: false }`
[INFO] [stdout] 8a95044d0ac01e367c8d4828f9b69bc3d273816ca3588d0ebc5660c6699a2251