[INFO] fetching crate emerald 0.1.0...
[INFO] checking emerald-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate emerald 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate emerald 0.1.0 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 crates.io crate emerald 0.1.0
[INFO] finished tweaking crates.io crate emerald 0.1.0
[INFO] tweaked toml for crates.io crate emerald 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl v0.13.0
[INFO] [stderr]   Downloaded hashbrown v0.5.0
[INFO] [stderr]   Downloaded gl_generator v0.13.1
[INFO] [stderr]   Downloaded storm v0.5.0
[INFO] [stderr]   Downloaded fermium v0.0.15
[INFO] [stderr]   Downloaded phantom-fields v0.1.2
[INFO] [stderr]   Downloaded beryllium v0.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 34348e48275bdc6b44f0602651211018a561a8dc3eaea405a9850fea853ea188
[INFO] running `Command { std: "docker" "start" "-a" "34348e48275bdc6b44f0602651211018a561a8dc3eaea405a9850fea853ea188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34348e48275bdc6b44f0602651211018a561a8dc3eaea405a9850fea853ea188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34348e48275bdc6b44f0602651211018a561a8dc3eaea405a9850fea853ea188", kill_on_drop: false }`
[INFO] [stdout] 34348e48275bdc6b44f0602651211018a561a8dc3eaea405a9850fea853ea188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 07c2d7cc735085632e52f4db34bc61b565df0b4201251155be62261d189ecbef
[INFO] running `Command { std: "docker" "start" "-a" "07c2d7cc735085632e52f4db34bc61b565df0b4201251155be62261d189ecbef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fermium v0.0.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[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]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling phantom-fields v0.1.2
[INFO] [stderr]     Checking beryllium v0.0.15
[INFO] [stderr]     Checking storm v0.5.0
[INFO] [stderr]     Checking emerald v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/rendering/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::core::{Game, Context};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_active` is never read
[INFO] [stdout]   --> src/lib.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             is_active = false;
[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: unused variable: `delta`
[INFO] [stdout]  --> src/core/game.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn update(&mut self, delta: f32) {}
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]  --> src/core/game.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn draw(&mut self, frame: &mut Frame) {}
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]  --> src/core/game.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn process(&mut self, delta: f32) {}
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]   --> src/rendering/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(settings: RenderSettings) -> Self {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/rendering/mod.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn update(&mut self, engine: &mut Engine, game: &mut Box<dyn Game>) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (mut game, mut settings) = unsafe {
[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 import: `Context`
[INFO] [stdout]  --> src/rendering/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::core::{Game, Context};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_active` is never read
[INFO] [stdout]   --> src/lib.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             is_active = false;
[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: unused variable: `delta`
[INFO] [stdout]  --> src/core/game.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn update(&mut self, delta: f32) {}
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]  --> src/core/game.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn draw(&mut self, frame: &mut Frame) {}
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]  --> src/core/game.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn process(&mut self, delta: f32) {}
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]   --> src/rendering/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(settings: RenderSettings) -> Self {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/rendering/mod.rs:19:51
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn update(&mut self, engine: &mut Engine, game: &mut Box<dyn Game>) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (mut game, mut settings) = unsafe {
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.33s
[INFO] running `Command { std: "docker" "inspect" "07c2d7cc735085632e52f4db34bc61b565df0b4201251155be62261d189ecbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c2d7cc735085632e52f4db34bc61b565df0b4201251155be62261d189ecbef", kill_on_drop: false }`
[INFO] [stdout] 07c2d7cc735085632e52f4db34bc61b565df0b4201251155be62261d189ecbef