[INFO] fetching crate snappy_sc 0.1.2...
[INFO] testing snappy_sc-0.1.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate snappy_sc 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate snappy_sc 0.1.2
[INFO] finished tweaking crates.io crate snappy_sc 0.1.2
[INFO] tweaked toml for crates.io crate snappy_sc 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snappy_sc 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to highest compatible versions
[INFO] [stderr]       Adding image v0.23.14 (available: v0.25.10)
[INFO] [stderr]       Adding metal v0.24.0 (available: v0.33.0)
[INFO] [stderr]       Adding webp v0.2.6 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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] 2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64
[INFO] running `Command { std: "docker" "start" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64", 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" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64" "/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" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64", 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" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling glob v0.3.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling cc v1.6.0
[INFO] [stderr]    Compiling libwebp-sys v0.9.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling webp v0.2.6
[INFO] [stderr]    Compiling snappy_sc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn take_screenshot(options: &ScreenshotOptions) -> Result<Vec<u8>, &'static str> {
[INFO] [stdout]    |        ---------------                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Vec<u8>, &str>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<Vec<u8>, &'static str>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn get_focused_display_info() -> Option<(u32, u32, u32)> {
[INFO] [stdout]    |        ------------------------      ^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<(u32, u32, u32)>`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<(u32, u32, u32)>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snappy_sc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused dependency `image`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.image]
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `image`
[INFO] [stderr] warning: unused dependency `webp`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.webp]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `webp`
[INFO] [stderr] warning: `snappy_sc` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "inspect" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64", kill_on_drop: false }`
[INFO] [stdout] 2634d0b42f04b78dd19c899741cb692552c2705852a158af4bbf13b771586f64
