[INFO] fetching crate hypoloop 0.1.7...
[INFO] checking hypoloop-0.1.7 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate hypoloop 0.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hypoloop 0.1.7 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypoloop 0.1.7
[INFO] finished tweaking crates.io crate hypoloop 0.1.7
[INFO] tweaked toml for crates.io crate hypoloop 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate hypoloop 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pixels v0.5.0
[INFO] [stderr]   Downloaded num_enum v0.5.3
[INFO] [stderr]   Downloaded num_enum_derive v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] 58ad635d1be5bf7c2ad9f21d4b244f785ddbb8ca7bc3c2866198c9b70f0d7f8d
[INFO] running `Command { std: "docker" "start" "-a" "58ad635d1be5bf7c2ad9f21d4b244f785ddbb8ca7bc3c2866198c9b70f0d7f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ad635d1be5bf7c2ad9f21d4b244f785ddbb8ca7bc3c2866198c9b70f0d7f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ad635d1be5bf7c2ad9f21d4b244f785ddbb8ca7bc3c2866198c9b70f0d7f8d", kill_on_drop: false }`
[INFO] [stdout] 58ad635d1be5bf7c2ad9f21d4b244f785ddbb8ca7bc3c2866198c9b70f0d7f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b95f7b16a26c0afe2a2b3afb298702a434f911179be14e32bc27b4939a1413
[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" "17b95f7b16a26c0afe2a2b3afb298702a434f911179be14e32bc27b4939a1413", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling drm-fourcc v2.1.1
[INFO] [stderr]     Checking hypoloop v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.9.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking gfx-renderdoc v0.1.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let mut new_state = State::new();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking ultraviolet v0.8.1
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking khronos-egl v4.1.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-client v0.28.6
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking wayland-protocols v0.28.6
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking naga v0.5.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking winit v0.25.0
[INFO] [stderr]     Checking winit_input_helper v0.10.0
[INFO] [stderr]     Checking external-memory v0.0.1
[INFO] [stderr]     Checking gfx-hal v0.9.0
[INFO] [stderr]     Checking gfx-backend-empty v0.9.0
[INFO] [stderr]     Checking gfx-backend-gl v0.9.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.9.0
[INFO] [stderr]     Checking wgpu-core v0.9.2
[INFO] [stderr]     Checking wgpu v0.9.0
[INFO] [stderr]     Checking pixels v0.5.0
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/basics.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut display_logic = move |state: &mut State| {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow`, `CursorIcon`, `ElementState`, `Event`, `KeyboardInput`, `WindowEvent`
[INFO] [stdout]  --> examples/windowing.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     event::{ElementState, Event, KeyboardInput, WindowEvent},
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 4 |     event_loop::{ControlFlow, EventLoop},
[INFO] [stdout]   |                  ^^^^^^^^^^^
[INFO] [stdout] 5 |     window::{CursorIcon, WindowBuilder},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |             let mut new_state = State::new();
[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: unused variable: `state`
[INFO] [stdout]   --> examples/windowing.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let display_logic = move |state: &mut State| {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> examples/windowing.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     event_loop.run(move |event, _, control_flow| {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `control_flow`
[INFO] [stdout]   --> examples/windowing.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     event_loop.run(move |event, _, control_flow| {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_control_flow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `display_logic` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> examples/windowing.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let display_logic = move |state: &mut State| {
[INFO] [stdout]    |         ------------- help: consider changing this to be mutable: `mut display_logic`
[INFO] [stdout] ...
[INFO] [stdout] 44 |         sim.step(&mut update_logic, &mut display_logic);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hypoloop` due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]  --> examples/pixelstest.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winit::event::{Event, VirtualKeyCode};
[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]  --> examples/buffer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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: `Event`
[INFO] [stdout]  --> examples/buffer.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use winit::event::{Event, VirtualKeyCode};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/pixelstest.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut display_logic = move |state: &mut State| {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[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: unused variable: `state`
[INFO] [stdout]   --> examples/buffer.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut display_logic = move |state: &mut State| {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> examples/buffer.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |             let y = (i / WIDTH as usize) as i16;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BOX_SIZE`
[INFO] [stdout]   --> examples/buffer.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BOX_SIZE: i16 = 64;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "17b95f7b16a26c0afe2a2b3afb298702a434f911179be14e32bc27b4939a1413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b95f7b16a26c0afe2a2b3afb298702a434f911179be14e32bc27b4939a1413", kill_on_drop: false }`
[INFO] [stdout] 17b95f7b16a26c0afe2a2b3afb298702a434f911179be14e32bc27b4939a1413
