[INFO] updating cached repository https://github.com/Emmatipate/vulkano-test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab20a82196c055acce9813856129bb3c50c9df59
[INFO] checking Emmatipate/vulkano-test against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmmatipate%2Fvulkano-test" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Emmatipate/vulkano-test on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Emmatipate/vulkano-test
[INFO] finished tweaking git repo https://github.com/Emmatipate/vulkano-test
[INFO] tweaked toml for git repo https://github.com/Emmatipate/vulkano-test written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Emmatipate/vulkano-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14e30cf1577648250628a0959586c05df375b103d4bffa1ba377e57116d8c52c
[INFO] running `"docker" "start" "-a" "14e30cf1577648250628a0959586c05df375b103d4bffa1ba377e57116d8c52c"`
[INFO] [stderr]    Compiling vulkano v0.10.0
[INFO] [stderr]     Checking vk-sys v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling tempfile v3.0.4
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking wayland-client v0.20.12
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.7
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking wayland-protocols v0.20.12
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking vulkano-win v0.10.0
[INFO] [stderr]    Compiling vulkano-shaders v0.10.0
[INFO] [stderr]    Compiling vulkano-shader-derive v0.10.0
[INFO] [stderr]     Checking vulkano-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `DeviceExtensions`
[INFO] [stderr]   --> src/main.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 | use vulkano::device::{Device, DeviceExtensions};
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::instance::InstanceExtensions`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use vulkano::instance::InstanceExtensions;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::instance::Features`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use vulkano::instance::Features;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let image = ImageBuffer::<Rgba<u8>, _>::from_raw(1024, 1024, &buffer_content[..]).unwrap();
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `images`
[INFO] [stderr]    --> src/main.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let (swapchain, images) = Swapchain::new(
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_images`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image_num`
[INFO] [stderr]    --> src/main.rs:133:10
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let (image_num, acquire_future) = vulkano::swapchain::acquire_next_image(swapchain.clone(), None).unwrap();
[INFO] [stderr]     |          ^^^^^^^^^ help: consider prefixing with an underscore: `_image_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `acquire_future`
[INFO] [stderr]    --> src/main.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let (image_num, acquire_future) = vulkano::swapchain::acquire_next_image(swapchain.clone(), None).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_acquire_future`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DeviceExtensions`
[INFO] [stderr]   --> src/main.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 | use vulkano::device::{Device, DeviceExtensions};
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::instance::InstanceExtensions`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use vulkano::instance::InstanceExtensions;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::instance::Features`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use vulkano::instance::Features;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let image = ImageBuffer::<Rgba<u8>, _>::from_raw(1024, 1024, &buffer_content[..]).unwrap();
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `images`
[INFO] [stderr]    --> src/main.rs:117:21
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let (swapchain, images) = Swapchain::new(
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_images`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image_num`
[INFO] [stderr]    --> src/main.rs:133:10
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let (image_num, acquire_future) = vulkano::swapchain::acquire_next_image(swapchain.clone(), None).unwrap();
[INFO] [stderr]     |          ^^^^^^^^^ help: consider prefixing with an underscore: `_image_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `acquire_future`
[INFO] [stderr]    --> src/main.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let (image_num, acquire_future) = vulkano::swapchain::acquire_next_image(swapchain.clone(), None).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_acquire_future`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `"docker" "inspect" "14e30cf1577648250628a0959586c05df375b103d4bffa1ba377e57116d8c52c"`
[INFO] running `"docker" "rm" "-f" "14e30cf1577648250628a0959586c05df375b103d4bffa1ba377e57116d8c52c"`
[INFO] [stdout] 14e30cf1577648250628a0959586c05df375b103d4bffa1ba377e57116d8c52c