[INFO] fetching crate dacite-winit 0.7.0...
[INFO] testing dacite-winit-0.7.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate dacite-winit 0.7.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate dacite-winit 0.7.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dacite-winit 0.7.0
[INFO] finished tweaking crates.io crate dacite-winit 0.7.0
[INFO] tweaked toml for crates.io crate dacite-winit 0.7.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e50f40827553fc886317a4e7ba0f42c3800669f7bb0b8937852b2aab03590f7
[INFO] running `Command { std: "docker" "start" "-a" "5e50f40827553fc886317a4e7ba0f42c3800669f7bb0b8937852b2aab03590f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e50f40827553fc886317a4e7ba0f42c3800669f7bb0b8937852b2aab03590f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e50f40827553fc886317a4e7ba0f42c3800669f7bb0b8937852b2aab03590f7", kill_on_drop: false }`
[INFO] [stdout] 5e50f40827553fc886317a4e7ba0f42c3800669f7bb0b8937852b2aab03590f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c8f8081a14cf79fd5155c9e32093f12ed0ba1f84dd4e2d8e4e8f9ffd8766ba
[INFO] running `Command { std: "docker" "start" "-a" "54c8f8081a14cf79fd5155c9e32093f12ed0ba1f84dd4e2d8e4e8f9ffd8766ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling vks v0.20.0
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand v0.3.23
[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 x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-scanner v0.9.10
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling dacite v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling dacite-winit v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:114:106
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error>;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:143:102
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:206:44
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Error::VulkanError(ref e) => e.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.81s
[INFO] running `Command { std: "docker" "inspect" "54c8f8081a14cf79fd5155c9e32093f12ed0ba1f84dd4e2d8e4e8f9ffd8766ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c8f8081a14cf79fd5155c9e32093f12ed0ba1f84dd4e2d8e4e8f9ffd8766ba", kill_on_drop: false }`
[INFO] [stdout] 54c8f8081a14cf79fd5155c9e32093f12ed0ba1f84dd4e2d8e4e8f9ffd8766ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d62ffc188a5c63d4fce140c1739d6e99e425459bb3d3249b7379cff94c59ed
[INFO] running `Command { std: "docker" "start" "-a" "08d62ffc188a5c63d4fce140c1739d6e99e425459bb3d3249b7379cff94c59ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dacite-winit v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:114:106
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error>;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:143:102
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:206:44
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Error::VulkanError(ref e) => e.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:114:106
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error>;
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:143:102
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:206:44
[INFO] [stdout]     |
[INFO] [stdout] 206 |             Error::VulkanError(ref e) => e.description(),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "08d62ffc188a5c63d4fce140c1739d6e99e425459bb3d3249b7379cff94c59ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d62ffc188a5c63d4fce140c1739d6e99e425459bb3d3249b7379cff94c59ed", kill_on_drop: false }`
[INFO] [stdout] 08d62ffc188a5c63d4fce140c1739d6e99e425459bb3d3249b7379cff94c59ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6565d2806e241201bc496160e15a8cc4f199ff8c91ba54d8374443dc1f640b50
[INFO] running `Command { std: "docker" "start" "-a" "6565d2806e241201bc496160e15a8cc4f199ff8c91ba54d8374443dc1f640b50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:106
[INFO] [stderr]     |
[INFO] [stderr] 114 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error>;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:143:102
[INFO] [stderr]     |
[INFO] [stderr] 143 | ...rfaceCreateFlags, allocator: Option<Box<core::Allocator>>) -> Result<khr_surface::SurfaceKhr, Error> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn core::Allocator`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:206:44
[INFO] [stderr]     |
[INFO] [stderr] 206 |             Error::VulkanError(ref e) => e.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dacite-winit` (lib) generated 3 warnings
[INFO] [stderr] warning: `dacite-winit` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dacite_winit-913be2eb5994f029)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dacite-winit
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 24) stdout ----
[INFO] [stdout] error[E0658]: `let` expressions in this position are experimental
[INFO] [stdout]   --> src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / let surface = window.create_surface(&instance,
[INFO] [stdout] 42 | |                                     dacite_winit::SurfaceCreateFlags::empty(),
[INFO] [stdout] 43 | |                                     None).unwrap();
[INFO] [stdout]    | |__________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout]    = help: you can write `matches!(<expr>, <pattern>)` instead of `let <pattern> = <expr>`
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found statement (`let`)
[INFO] [stdout]   --> src/lib.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / let surface = window.create_surface(&instance,
[INFO] [stdout] 42 | |                                     dacite_winit::SurfaceCreateFlags::empty(),
[INFO] [stdout] 43 | |                                     None).unwrap();
[INFO] [stdout]    | |__________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: variable declaration using `let` is a statement
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]   --> src/lib.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let required_extensions = match window.get_required_extensions() {
[INFO] [stdout]    |                             -------------------------------------- `match` arms have incompatible types
[INFO] [stdout] 16 |       Ok(required_extensions) => required_extensions,
[INFO] [stdout]    |                                  ------------------- this is found to be of type `InstanceExtensionsProperties`
[INFO] [stdout] 17 |       Err(error) => {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 18 | |         // This error can mean either, that the windowing system is not supported, or that
[INFO] [stdout] 19 | |         // a Vulkan error occurred.
[INFO] [stdout] 20 | |
[INFO] [stdout] 21 | |         // Other functions from the `WindowExt` trait can also return errors, which should be
[INFO] [stdout] 22 | |         // handled appropriately.
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^ expected struct `InstanceExtensionsProperties`, found `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `application_info`, `chain`, `enabled_layers` and 1 other field in initializer of `InstanceCreateInfo`
[INFO] [stdout]   --> src/lib.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | let create_info = dacite::core::InstanceCreateInfo {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `application_info`, `chain`, `enabled_layers` and 1 other field
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0063, E0308, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0063`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 24)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6565d2806e241201bc496160e15a8cc4f199ff8c91ba54d8374443dc1f640b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6565d2806e241201bc496160e15a8cc4f199ff8c91ba54d8374443dc1f640b50", kill_on_drop: false }`
[INFO] [stdout] 6565d2806e241201bc496160e15a8cc4f199ff8c91ba54d8374443dc1f640b50
