[INFO] fetching crate snappy_sc 0.1.2...
[INFO] testing snappy_sc-0.1.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate snappy_sc 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate snappy_sc 0.1.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f709fd7ad4c492cbfad2f265b942ee96c870d332beff045fd950ed778d9a07a
[INFO] running `Command { std: "docker" "start" "-a" "4f709fd7ad4c492cbfad2f265b942ee96c870d332beff045fd950ed778d9a07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f709fd7ad4c492cbfad2f265b942ee96c870d332beff045fd950ed778d9a07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f709fd7ad4c492cbfad2f265b942ee96c870d332beff045fd950ed778d9a07a", kill_on_drop: false }`
[INFO] [stdout] 4f709fd7ad4c492cbfad2f265b942ee96c870d332beff045fd950ed778d9a07a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4aa935a90705f4dfccad8c6b6132fe6c563664c9be856c0d6a9422556b77172
[INFO] running `Command { std: "docker" "start" "-a" "d4aa935a90705f4dfccad8c6b6132fe6c563664c9be856c0d6a9422556b77172", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling image v0.24.8
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling libwebp-sys v0.9.4
[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] error: aborting due to 2 previous errors
[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 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4aa935a90705f4dfccad8c6b6132fe6c563664c9be856c0d6a9422556b77172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4aa935a90705f4dfccad8c6b6132fe6c563664c9be856c0d6a9422556b77172", kill_on_drop: false }`
[INFO] [stdout] d4aa935a90705f4dfccad8c6b6132fe6c563664c9be856c0d6a9422556b77172
