[INFO] fetching crate syphon-core 0.4.0...
[INFO] testing syphon-core-0.4.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate syphon-core 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate syphon-core 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syphon-core 0.4.0
[INFO] tweaked toml for crates.io crate syphon-core 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syphon-core 0.4.0 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-core 0.4.0 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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b
[INFO] running `Command { std: "docker" "start" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b", 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" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b" "/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" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b", 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" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling syphon-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stdout] error[E0432]: unresolved import `utils::class_exists`
[INFO] [stdout]   --> 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]   --> 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]   --> 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]   --> 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] warning: unused imports: `Result` and `SyphonError`
[INFO] [stdout]  --> src/utils.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Result, SyphonError};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr` and `CString`
[INFO] [stdout]  --> src/utils.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{CStr, CString};
[INFO] [stdout]   |                ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `client_count` found for reference `&SyphonServer` in the current scope
[INFO] [stdout]    --> 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]    --> 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]    --> 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] warning: unused variable: `name`
[INFO] [stdout]   --> src/server.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         name: &str,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/server.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         width: u32,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/server.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         height: u32,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/server.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         options: ServerOptions,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_name`
[INFO] [stdout]    --> src/client.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn connect(server_name: &str) -> Result<Self> {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/client.rs:208:28
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn connect_by_info(info: &ServerInfo) -> Result<Self> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[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; 8 warnings emitted
[INFO] [stderr] warning: unused dependency `thiserror`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.thiserror]
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `thiserror`
[INFO] [stderr] warning: `syphon-core` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b", kill_on_drop: false }`
[INFO] [stdout] 8f481cdc7f7a2aae6677ac95bb75783a92c18eaa3172659fcafbba4702e3149b
