[INFO] cloning repository https://github.com/backskin/backsnake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/backskin/backsnake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbackskin%2Fbacksnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbackskin%2Fbacksnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48fb7230aa71e9ce220974a9497115920f6712e5
[INFO] testing backskin/backsnake against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbackskin%2Fbacksnake" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/backskin/backsnake on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/backskin/backsnake
[INFO] finished tweaking git repo https://github.com/backskin/backsnake
[INFO] tweaked toml for git repo https://github.com/backskin/backsnake written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/backskin/backsnake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.36.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.73.0
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d23c2e5bd52771d6a463db47bdcb1878d2128f3e614e1ebefe19d602fb6a9cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4d23c2e5bd52771d6a463db47bdcb1878d2128f3e614e1ebefe19d602fb6a9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d23c2e5bd52771d6a463db47bdcb1878d2128f3e614e1ebefe19d602fb6a9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d23c2e5bd52771d6a463db47bdcb1878d2128f3e614e1ebefe19d602fb6a9cc", kill_on_drop: false }`
[INFO] [stdout] 4d23c2e5bd52771d6a463db47bdcb1878d2128f3e614e1ebefe19d602fb6a9cc
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4c2c4fcfae513375000f794643403b7f92fb386b78ee6f7f4bea3c2e4d05fab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e4c2c4fcfae513375000f794643403b7f92fb386b78ee6f7f4bea3c2e4d05fab", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling piston-graphics_api_version v1.0.0
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling piston2d-graphics v0.36.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling image v0.23.8
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.73.0
[INFO] [stderr]    Compiling pistoncore-input v1.0.0
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling pistoncore-window v0.47.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.52.0
[INFO] [stderr]    Compiling glutin v0.21.2
[INFO] [stderr]    Compiling piston v0.52.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.66.0
[INFO] [stderr]    Compiling snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Right` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:32
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                        ----- the item `Right` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Down` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:39
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                               ---- the item `Down` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Left` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                         ---- the item `Left` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Up` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:51
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                     -- the item `Up` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Right` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                        ----- the item `Right` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Down` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:39
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                               ---- the item `Down` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Left` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:45
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                         ---- the item `Left` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Up` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                     -- the item `Up` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `x_end` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let mut x_end = x_start + game.square_size as f64;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_x_end` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `y_end` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let mut y_end = y_start + game.square_size as f64;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_y_end` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_start` is never read
[INFO] [stdout]    --> src/main.rs:373:17
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 y_start += 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_end` is never read
[INFO] [stdout]    --> src/main.rs:374:17
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 y_end -= 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_start` is never read
[INFO] [stdout]    --> src/main.rs:377:17
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 x_start += 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_end` is never read
[INFO] [stdout]    --> src/main.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 x_end -= 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "e4c2c4fcfae513375000f794643403b7f92fb386b78ee6f7f4bea3c2e4d05fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c2c4fcfae513375000f794643403b7f92fb386b78ee6f7f4bea3c2e4d05fab", kill_on_drop: false }`
[INFO] [stdout] e4c2c4fcfae513375000f794643403b7f92fb386b78ee6f7f4bea3c2e4d05fab
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79cf42ef6d3f39086166027c3cea339dceaef02156ce7537e99443d653d8aa9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79cf42ef6d3f39086166027c3cea339dceaef02156ce7537e99443d653d8aa9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Right` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:32
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                        ----- the item `Right` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Down` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:39
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                               ---- the item `Down` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Left` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                         ---- the item `Left` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Up` is imported redundantly
[INFO] [stdout]    --> src/main.rs:148:51
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                     -- the item `Up` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Right` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                        ----- the item `Right` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Down` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:39
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                               ---- the item `Down` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Left` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:45
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                         ---- the item `Left` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Up` is imported redundantly
[INFO] [stdout]    --> src/main.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stdout]     |                                     -- the item `Up` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stdout]     |                                                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `x_end` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let mut x_end = x_start + game.square_size as f64;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_x_end` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `y_end` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let mut y_end = y_start + game.square_size as f64;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_y_end` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_start` is never read
[INFO] [stdout]    --> src/main.rs:373:17
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 y_start += 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y_end` is never read
[INFO] [stdout]    --> src/main.rs:374:17
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 y_end -= 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_start` is never read
[INFO] [stdout]    --> src/main.rs:377:17
[INFO] [stdout]     |
[INFO] [stdout] 377 |                 x_start += 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x_end` is never read
[INFO] [stdout]    --> src/main.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 x_end -= 0.25 * game.square_size as f64;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "79cf42ef6d3f39086166027c3cea339dceaef02156ce7537e99443d653d8aa9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cf42ef6d3f39086166027c3cea339dceaef02156ce7537e99443d653d8aa9d", kill_on_drop: false }`
[INFO] [stdout] 79cf42ef6d3f39086166027c3cea339dceaef02156ce7537e99443d653d8aa9d
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 689055beef32ed4960611d69c4588ff00c4b01dc733dd15492e1591779f1b9ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "689055beef32ed4960611d69c4588ff00c4b01dc733dd15492e1591779f1b9ab", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Right` is imported redundantly
[INFO] [stderr]    --> src/main.rs:148:32
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                        ----- the item `Right` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Down` is imported redundantly
[INFO] [stderr]    --> src/main.rs:148:39
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                               ---- the item `Down` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Left` is imported redundantly
[INFO] [stderr]    --> src/main.rs:148:45
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                                         ---- the item `Left` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Up` is imported redundantly
[INFO] [stderr]    --> src/main.rs:148:51
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                                     -- the item `Up` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 148 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                                   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Right` is imported redundantly
[INFO] [stderr]    --> src/main.rs:174:32
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                        ----- the item `Right` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Down` is imported redundantly
[INFO] [stderr]    --> src/main.rs:174:39
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                               ---- the item `Down` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Left` is imported redundantly
[INFO] [stderr]    --> src/main.rs:174:45
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                                         ---- the item `Left` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Up` is imported redundantly
[INFO] [stderr]    --> src/main.rs:174:51
[INFO] [stderr]     |
[INFO] [stderr] 13  | use crate::Direction::{Right, Down, Up, Left};
[INFO] [stderr]     |                                     -- the item `Up` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 174 |         use crate::Direction::{Right, Down, Left, Up};
[INFO] [stderr]     |                                                   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `x_end` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let mut x_end = x_start + game.square_size as f64;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_x_end` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `y_end` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let mut y_end = y_start + game.square_size as f64;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_y_end` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y_start` is never read
[INFO] [stderr]    --> src/main.rs:373:17
[INFO] [stderr]     |
[INFO] [stderr] 373 |                 y_start += 0.25 * game.square_size as f64;
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y_end` is never read
[INFO] [stderr]    --> src/main.rs:374:17
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 y_end -= 0.25 * game.square_size as f64;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x_start` is never read
[INFO] [stderr]    --> src/main.rs:377:17
[INFO] [stderr]     |
[INFO] [stderr] 377 |                 x_start += 0.25 * game.square_size as f64;
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x_end` is never read
[INFO] [stderr]    --> src/main.rs:378:17
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 x_end -= 0.25 * game.square_size as f64;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snake_game-3060d62d6a6f876b
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "689055beef32ed4960611d69c4588ff00c4b01dc733dd15492e1591779f1b9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689055beef32ed4960611d69c4588ff00c4b01dc733dd15492e1591779f1b9ab", kill_on_drop: false }`
[INFO] [stdout] 689055beef32ed4960611d69c4588ff00c4b01dc733dd15492e1591779f1b9ab
