[INFO] cloning repository https://github.com/swallowvski/vulkan_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swallowvski/vulkan_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswallowvski%2Fvulkan_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswallowvski%2Fvulkan_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 713d41ff5a66396952820d4704b43930a59a2d05
[INFO] checking swallowvski/vulkan_tutorial against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswallowvski%2Fvulkan_tutorial" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swallowvski/vulkan_tutorial 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/swallowvski/vulkan_tutorial
[INFO] finished tweaking git repo https://github.com/swallowvski/vulkan_tutorial
[INFO] tweaked toml for git repo https://github.com/swallowvski/vulkan_tutorial written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/swallowvski/vulkan_tutorial 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra-glm v0.10.0
[INFO] [stderr]   Downloaded ndk-glue v0.5.0
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] [stderr]   Downloaded simba v0.3.1
[INFO] [stderr]   Downloaded tobj v2.0.4
[INFO] [stderr]   Downloaded vulkanalia-sys v0.14.0
[INFO] [stderr]   Downloaded nalgebra v0.24.1
[INFO] [stderr]   Downloaded vulkanalia v0.14.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.15.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9b9a9d829003a39c427babbba952738f465833d28275fb9e51c83ea309f57eb6
[INFO] running `Command { std: "docker" "start" "-a" "9b9a9d829003a39c427babbba952738f465833d28275fb9e51c83ea309f57eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b9a9d829003a39c427babbba952738f465833d28275fb9e51c83ea309f57eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9a9d829003a39c427babbba952738f465833d28275fb9e51c83ea309f57eb6", kill_on_drop: false }`
[INFO] [stdout] 9b9a9d829003a39c427babbba952738f465833d28275fb9e51c83ea309f57eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7e0d7918b1448f7debd9785e8c67cdc709991ef0ed691eed3579a36667fd58bc
[INFO] running `Command { std: "docker" "start" "-a" "7e0d7918b1448f7debd9785e8c67cdc709991ef0ed691eed3579a36667fd58bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking simba v0.3.1
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking vulkanalia-sys v0.14.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tobj v2.0.4
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]     Checking nalgebra v0.24.1
[INFO] [stderr]     Checking vulkanalia v0.14.0
[INFO] [stderr]     Checking nalgebra-glm v0.10.0
[INFO] [stderr]     Checking vulkan_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread_pool::ThreadPool`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use thread_pool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_pool::ThreadPool`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use thread_pool::ThreadPool;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 63  | /     event_loop.run(move |event, _, control_flow| {
[INFO] [stdout] 64  | |         *control_flow = ControlFlow::Poll;
[INFO] [stdout] 65  | |         match event {
[INFO] [stdout] 66  | |             Event::MainEventsCleared if !destroying && !minimized => {
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |______- any code following this expression is unreachable
[INFO] [stdout] 104 |
[INFO] [stdout] 105 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 63  | /     event_loop.run(move |event, _, control_flow| {
[INFO] [stdout] 64  | |         *control_flow = ControlFlow::Poll;
[INFO] [stdout] 65  | |         match event {
[INFO] [stdout] 66  | |             Event::MainEventsCleared if !destroying && !minimized => {
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |         }
[INFO] [stdout] 103 | |     });
[INFO] [stdout]     | |______- any code following this expression is unreachable
[INFO] [stdout] 104 |
[INFO] [stdout] 105 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "7e0d7918b1448f7debd9785e8c67cdc709991ef0ed691eed3579a36667fd58bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0d7918b1448f7debd9785e8c67cdc709991ef0ed691eed3579a36667fd58bc", kill_on_drop: false }`
[INFO] [stdout] 7e0d7918b1448f7debd9785e8c67cdc709991ef0ed691eed3579a36667fd58bc