[INFO] cloning repository https://github.com/michalrusek/arkanoidInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michalrusek/arkanoidInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalrusek%2FarkanoidInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalrusek%2FarkanoidInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1f7d60148019e9a940ca7f80e5d27047d05324c
[INFO] checking michalrusek/arkanoidInRust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalrusek%2FarkanoidInRust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michalrusek/arkanoidInRust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michalrusek/arkanoidInRust
[INFO] finished tweaking git repo https://github.com/michalrusek/arkanoidInRust
[INFO] tweaked toml for git repo https://github.com/michalrusek/arkanoidInRust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/michalrusek/arkanoidInRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stb_truetype v0.3.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.16
[INFO] [stderr]   Downloaded png v0.15.0
[INFO] [stderr]   Downloaded rusttype v0.8.0
[INFO] [stderr]   Downloaded image v0.22.2
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded winit v0.19.3
[INFO] [stderr]   Downloaded glutin v0.21.1
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.69.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d493bc29f271dc725b16c5cc1480483cfd5957f83e58f3facac2e8bbd4b50b4
[INFO] running `Command { std: "docker" "start" "-a" "8d493bc29f271dc725b16c5cc1480483cfd5957f83e58f3facac2e8bbd4b50b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d493bc29f271dc725b16c5cc1480483cfd5957f83e58f3facac2e8bbd4b50b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d493bc29f271dc725b16c5cc1480483cfd5957f83e58f3facac2e8bbd4b50b4", kill_on_drop: false }`
[INFO] [stdout] 8d493bc29f271dc725b16c5cc1480483cfd5957f83e58f3facac2e8bbd4b50b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d759f0578084c3d8f8763949339502b42c9b3fd13bb3b02ef74fd74daa76915
[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" "2d759f0578084c3d8f8763949339502b42c9b3fd13bb3b02ef74fd74daa76915", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking shader_version v0.6.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking rusttype v0.8.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.35.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.69.0
[INFO] [stderr]     Checking winit v0.19.3
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking glutin v0.21.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking simple_arkanoid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Button`
[INFO] [stdout]  --> src/core.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use piston::input::{RenderArgs, UpdateArgs, Button, Key};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rectangle`
[INFO] [stdout]  --> src/core.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use graphics::{clear, rectangle, Context};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_removed`
[INFO] [stdout]    --> src/core.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut tile_removed = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_removed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut tile_removed = false;
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Button`
[INFO] [stdout]  --> src/core.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use piston::input::{RenderArgs, UpdateArgs, Button, Key};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rectangle`
[INFO] [stdout]  --> src/core.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use graphics::{clear, rectangle, Context};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_removed`
[INFO] [stdout]    --> src/core.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut tile_removed = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_removed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut tile_removed = false;
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "2d759f0578084c3d8f8763949339502b42c9b3fd13bb3b02ef74fd74daa76915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d759f0578084c3d8f8763949339502b42c9b3fd13bb3b02ef74fd74daa76915", kill_on_drop: false }`
[INFO] [stdout] 2d759f0578084c3d8f8763949339502b42c9b3fd13bb3b02ef74fd74daa76915