[INFO] cloning repository https://github.com/julianbieber/bevy_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julianbieber/bevy_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2Fbevy_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2Fbevy_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 853c6c0a0946d8df45dc7fb6af42ff3fcf0e39f5
[INFO] checking julianbieber/bevy_playground against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbieber%2Fbevy_playground" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julianbieber/bevy_playground 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 git repo https://github.com/julianbieber/bevy_playground
[INFO] finished tweaking git repo https://github.com/julianbieber/bevy_playground
[INFO] tweaked toml for git repo https://github.com/julianbieber/bevy_playground written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/julianbieber/bevy_playground 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]     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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] [stdout] ff106cb9568b522148493b1bc67fd0f2707cd5e577dcfab6b650514fe5a41f01
[INFO] running `Command { std: "docker" "start" "-a" "ff106cb9568b522148493b1bc67fd0f2707cd5e577dcfab6b650514fe5a41f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff106cb9568b522148493b1bc67fd0f2707cd5e577dcfab6b650514fe5a41f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff106cb9568b522148493b1bc67fd0f2707cd5e577dcfab6b650514fe5a41f01", kill_on_drop: false }`
[INFO] [stdout] ff106cb9568b522148493b1bc67fd0f2707cd5e577dcfab6b650514fe5a41f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] a7ed45309f8037cff85ea5e6c2077b339e2a9407a15163885f1f664cbc0f7c8a
[INFO] running `Command { std: "docker" "start" "-a" "a7ed45309f8037cff85ea5e6c2077b339e2a9407a15163885f1f664cbc0f7c8a", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling bevy-glsl-to-spirv v0.2.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking ttf-parser v0.12.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking profiling v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rectangle-pack v0.4.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling wgpu-core v0.8.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.8.0
[INFO] [stderr]     Checking spinning_top v0.2.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking gpu-alloc v0.4.5
[INFO] [stderr]     Checking owned_ttf_parser v0.12.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking stretch v0.3.2
[INFO] [stderr]     Checking ab_glyph v0.2.10
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking euclid v0.22.3
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking lerp v0.4.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking glyph_brush_layout v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking bevy_tasks v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking inotify v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking guillotiere v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking nanorand v0.5.2
[INFO] [stderr]    Compiling spirv-reflect v0.2.3
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking notify v5.0.0-pre.7
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking mimalloc v0.1.25
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling gltf-derive v0.15.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking flume v0.10.5
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking naga v0.4.0
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking noise v0.7.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking gilrs-core v0.3.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking gilrs v0.8.1
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking gfx-hal v0.8.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking gltf-json v0.15.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rodio v0.13.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]     Checking hexasphere v3.3.0
[INFO] [stderr]    Compiling bevy_derive v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]    Compiling bevy_reflect_derive v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]    Compiling bevy_ecs_macros v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking collision v0.20.1
[INFO] [stderr]     Checking gltf v0.15.2
[INFO] [stderr]     Checking gfx-backend-gl v0.8.1
[INFO] [stderr]     Checking gfx-backend-vulkan v0.8.0
[INFO] [stderr]     Checking gfx-backend-empty v0.8.0
[INFO] [stderr]     Checking bevy_utils v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_reflect v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_ecs v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_math v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking wgpu v0.8.1
[INFO] [stderr]     Checking bevy_app v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_log v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_core v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_window v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_transform v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_input v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_dynamic_plugin v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_winit v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_gilrs v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_diagnostic v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_asset v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_render v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_scene v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_audio v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_sprite v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_pbr v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_wgpu v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_gltf v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_text v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_ui v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy_internal v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking bevy v0.5.0 (https://github.com/bevyengine/bevy.git?branch=main#883abbb2)
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking bevy_collision v0.1.0 (/opt/rustwide/workdir/bevy_collision)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> bevy_collision/src/collider.rs:681:5
[INFO] [stdout]     |
[INFO] [stdout] 681 |     &impulses;
[INFO] [stdout]     |     ^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 681 |     let _ = &impulses;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> bevy_collision/src/collider.rs:681:5
[INFO] [stdout]     |
[INFO] [stdout] 681 |     &impulses;
[INFO] [stdout]     |     ^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 681 |     let _ = &impulses;
[INFO] [stdout]     |     +++++++
[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]     Checking voxel v0.1.0 (/opt/rustwide/workdir/voxel)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> voxel/src/generator.rs:89:40
[INFO] [stdout]    |
[INFO] [stdout] 89 |             (self.lower_radius as f32).lerp(
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp::Lerp::lerp(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> voxel/src/generator.rs:94:38
[INFO] [stdout]    |
[INFO] [stdout] 94 |             (self.mid_radius as f32).lerp(
[INFO] [stdout]    |                                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp::Lerp::lerp(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> voxel/src/generator.rs:89:40
[INFO] [stdout]    |
[INFO] [stdout] 89 |             (self.lower_radius as f32).lerp(
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp::Lerp::lerp(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> voxel/src/generator.rs:94:38
[INFO] [stdout]    |
[INFO] [stdout] 94 |             (self.mid_radius as f32).lerp(
[INFO] [stdout]    |                                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `lerp::Lerp::lerp(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bevy_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "a7ed45309f8037cff85ea5e6c2077b339e2a9407a15163885f1f664cbc0f7c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ed45309f8037cff85ea5e6c2077b339e2a9407a15163885f1f664cbc0f7c8a", kill_on_drop: false }`
[INFO] [stdout] a7ed45309f8037cff85ea5e6c2077b339e2a9407a15163885f1f664cbc0f7c8a
