[INFO] cloning repository https://github.com/IvoteSligte/synthetic_environment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IvoteSligte/synthetic_environment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvoteSligte%2Fsynthetic_environment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvoteSligte%2Fsynthetic_environment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 776f58a6ad9d66d522a1aa38b9e9e5b090d0b7a7
[INFO] checking IvoteSligte/synthetic_environment against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIvoteSligte%2Fsynthetic_environment" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IvoteSligte/synthetic_environment on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IvoteSligte/synthetic_environment
[INFO] finished tweaking git repo https://github.com/IvoteSligte/synthetic_environment
[INFO] tweaked toml for git repo https://github.com/IvoteSligte/synthetic_environment written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/IvoteSligte/synthetic_environment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grid v0.13.0
[INFO] [stderr]   Downloaded show-image v0.13.1
[INFO] [stderr]   Downloaded noise v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8158feb868afb0ac285d487a2bb7339ab540bf76adce8e7c1120e144273c2a14
[INFO] running `Command { std: "docker" "start" "-a" "8158feb868afb0ac285d487a2bb7339ab540bf76adce8e7c1120e144273c2a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8158feb868afb0ac285d487a2bb7339ab540bf76adce8e7c1120e144273c2a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8158feb868afb0ac285d487a2bb7339ab540bf76adce8e7c1120e144273c2a14", kill_on_drop: false }`
[INFO] [stdout] 8158feb868afb0ac285d487a2bb7339ab540bf76adce8e7c1120e144273c2a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0546401cac1798d895a1e8e11c12b9e2549329ea41f5cebcc773f773f91f453
[INFO] running `Command { std: "docker" "start" "-a" "f0546401cac1798d895a1e8e11c12b9e2549329ea41f5cebcc773f773f91f453", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.86
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ahash v0.8.9
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking raw-window-handle v0.4.3
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[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling crossfont v0.5.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
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[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking tiny-skia-path v0.7.0
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[INFO] [stderr]    Compiling wgpu-core v0.13.2
[INFO] [stderr]     Checking gpu-alloc v0.5.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking fxhash v0.2.1
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[INFO] [stderr]     Checking wgpu-types v0.13.2
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking inplace_it v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking glam v0.21.3
[INFO] [stderr]     Checking grid v0.13.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]    Compiling show-image v0.13.1
[INFO] [stderr]     Checking glam v0.25.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking noise v0.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking naga v0.9.0
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]    Compiling show-image-macros v0.12.3
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking wgpu-hal v0.13.2
[INFO] [stderr]     Checking sctk-adwaita v0.4.3
[INFO] [stderr]     Checking winit v0.27.5
[INFO] [stderr]     Checking wgpu v0.13.1
[INFO] [stderr]     Checking synthetic_environment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `last_frame` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut last_frame = std::time::Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_last_frame` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_frame` is never read
[INFO] [stdout]    --> src/main.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         last_frame = std::time::Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FPS` is never used
[INFO] [stdout]   --> src/main.rs:75:7
[INFO] [stdout]    |
[INFO] [stdout] 75 | const FPS: f64 = 2.0;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_frame` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut last_frame = std::time::Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_last_frame` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_frame` is never read
[INFO] [stdout]    --> src/main.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         last_frame = std::time::Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FPS` is never used
[INFO] [stdout]   --> src/main.rs:75:7
[INFO] [stdout]    |
[INFO] [stdout] 75 | const FPS: f64 = 2.0;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "f0546401cac1798d895a1e8e11c12b9e2549329ea41f5cebcc773f773f91f453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0546401cac1798d895a1e8e11c12b9e2549329ea41f5cebcc773f773f91f453", kill_on_drop: false }`
[INFO] [stdout] f0546401cac1798d895a1e8e11c12b9e2549329ea41f5cebcc773f773f91f453