[INFO] cloning repository https://github.com/leocavalcante/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/leocavalcante/rust-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleocavalcante%2Frust-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleocavalcante%2Frust-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13b5c75fea48fb544e253bc468ad3286833c3ea7
[INFO] checking leocavalcante/rust-snake against 04e9298c771dcc8a88d17c0257382c1e4ae3da97 for pr-164582
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleocavalcante%2Frust-snake" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leocavalcante/rust-snake
[INFO] finished tweaking git repo https://github.com/leocavalcante/rust-snake
[INFO] tweaked toml for git repo https://github.com/leocavalcante/rust-snake written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leocavalcante/rust-snake on toolchain 04e9298c771dcc8a88d17c0257382c1e4ae3da97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04e9298c771dcc8a88d17c0257382c1e4ae3da97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leocavalcante/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" "+04e9298c771dcc8a88d17c0257382c1e4ae3da97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2
[INFO] running `Command { std: "docker" "start" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2", 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" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2" "/opt/rustwide/cargo-home/bin/cargo" "+04e9298c771dcc8a88d17c0257382c1e4ae3da97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2", 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" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2" "/opt/rustwide/cargo-home/bin/cargo" "+04e9298c771dcc8a88d17c0257382c1e4ae3da97" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.8
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking glyph_brush v0.6.1
[INFO] [stderr]     Checking glyph_brush v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking gfx_window_glutin v0.30.0
[INFO] [stderr]     Checking rust-snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             graphics::draw(ctx, &sqr, (na::Point2::new(p.x as f32, p.y as f32), ));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _unused = graphics::draw(ctx, &sqr, (na::Point2::new(p.x as f32, p.y as f32), ));
[INFO] [stdout]    |             +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         graphics::draw(ctx, &sqr, (na::Point2::new(self.pos.x as f32, self.pos.y as f32), ));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let _unused = graphics::draw(ctx, &sqr, (na::Point2::new(self.pos.x as f32, self.pos.y as f32), ));
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         graphics::present(ctx);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let _unused = graphics::present(ctx);
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             graphics::draw(ctx, &sqr, (na::Point2::new(p.x as f32, p.y as f32), ));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _unused = graphics::draw(ctx, &sqr, (na::Point2::new(p.x as f32, p.y as f32), ));
[INFO] [stdout]    |             +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         graphics::draw(ctx, &sqr, (na::Point2::new(self.pos.x as f32, self.pos.y as f32), ));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let _unused = graphics::draw(ctx, &sqr, (na::Point2::new(self.pos.x as f32, self.pos.y as f32), ));
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         graphics::present(ctx);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let _unused = graphics::present(ctx);
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rand_core v0.4.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2", kill_on_drop: false }`
[INFO] [stdout] b41ab9c4e74a316edc8359978748688ab9c83f50551ddc72d062265a287c90f2
