[INFO] fetching crate syphon-wgpu 0.4.3...
[INFO] testing syphon-wgpu-0.4.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate syphon-wgpu 0.4.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate syphon-wgpu 0.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syphon-wgpu 0.4.3
[INFO] tweaked toml for crates.io crate syphon-wgpu 0.4.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syphon-wgpu 0.4.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syphon-wgpu 0.4.3 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd
[INFO] running `Command { std: "docker" "start" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling naga v30.0.1
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling bit-vec v0.9.1
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]    Compiling spirv v0.4.0+sdk-1.4.341.0
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.52
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling wgpu-hal v30.0.1
[INFO] [stderr]    Compiling presser v0.3.1
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling profiling v1.0.18
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling glow v0.17.0
[INFO] [stderr]    Compiling wgpu-core v30.0.1
[INFO] [stderr]    Compiling bit-set v0.10.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling syphon-core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling wgpu v30.0.1
[INFO] [stdout] error[E0432]: unresolved import `utils::class_exists`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub use utils::class_exists;
[INFO] [stdout]    |         ^^^^^^^------------
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `class_exists` in `utils`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/utils.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg(target_os = "macos")]
[INFO] [stdout]    |       ------------------- the item is gated behind the `macos` feature
[INFO] [stdout] 65 | pub fn class_exists(name: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `objc2` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/server.rs:87:28
[INFO] [stdout]    |
[INFO] [stdout] 87 |         metal_device: *mut objc2::runtime::AnyObject,
[INFO] [stdout]    |                            ^^^^^ use of unresolved module or unlinked crate `objc2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `objc2`, use `cargo add objc2` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `objc2` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/server.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |         metal_device: *mut objc2::runtime::AnyObject,
[INFO] [stdout]    |                            ^^^^^ use of unresolved module or unlinked crate `objc2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `objc2`, use `cargo add objc2` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `client_count` found for reference `&SyphonServer` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/server.rs:257:14
[INFO] [stdout]     |
[INFO] [stdout] 257 |         self.client_count() > 0
[INFO] [stdout]     |              ^^^^^^^^^^^^ method not found in `&SyphonServer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/client.rs:231:24
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let (tx, rx) = std::sync::mpsc::sync_channel(1);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `sync_channel`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let (tx, rx) = std::sync::mpsc::sync_channel::</* Type */>(1);
[INFO] [stdout]     |                                                     ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syphon-core-0.4.0/src/client.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let (tx, rx) = std::sync::mpsc::sync_channel(1);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `sync_channel`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let (tx, rx) = std::sync::mpsc::sync_channel::</* Type */>(1);
[INFO] [stdout]     |                                                     ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syphon-core` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd", kill_on_drop: false }`
[INFO] [stdout] d365c3b5d85d9978cdf9bb0018588dd89f2ebb33a4a6216ab8c1098a36a149dd
