[INFO] fetching crate tao-core-video-sys 0.2.0...
[INFO] testing tao-core-video-sys-0.2.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tao-core-video-sys 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tao-core-video-sys 0.2.0
[INFO] finished tweaking crates.io crate tao-core-video-sys 0.2.0
[INFO] tweaked toml for crates.io crate tao-core-video-sys 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tao-core-video-sys 0.2.0 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] 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to highest compatible versions
[INFO] [stderr]       Adding metal v0.23.1 (available: v0.33.0)
[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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f
[INFO] running `Command { std: "docker" "start" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", 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" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f" "/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" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", 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" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling core-foundation-sys v0.8.7
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling tao-core-video-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pixel_buffer_pool.rs:24:79
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn CVPixelBufferPoolRelease(pixelBufferPool: CVPixelBufferPoolRef) -> c_void;
[INFO] [stdout]    |                                                                           ----^^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", 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" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling tao-core-video-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pixel_buffer_pool.rs:24:79
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn CVPixelBufferPoolRelease(pixelBufferPool: CVPixelBufferPoolRef) -> c_void;
[INFO] [stdout]    |                                                                           ----^^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pixel_buffer_pool.rs:24:79
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn CVPixelBufferPoolRelease(pixelBufferPool: CVPixelBufferPoolRef) -> c_void;
[INFO] [stdout]    |                                                                           ----^^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", 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" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/pixel_buffer_pool.rs:24:79
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn CVPixelBufferPoolRelease(pixelBufferPool: CVPixelBufferPoolRef) -> c_void;
[INFO] [stderr]    |                                                                           ----^^^^^^
[INFO] [stderr]    |                                                                           |
[INFO] [stderr]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tao-core-video-sys` (lib) generated 1 warning
[INFO] [stderr] warning: `tao-core-video-sys` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/tao-core-video-sys/f80579e77eebfa2a/out/core_video_sys-f80579e77eebfa2a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests core_video_sys
[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 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] running `Command { std: "docker" "inspect" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f", kill_on_drop: false }`
[INFO] [stdout] e58960974a43f06eee4050f05987d9e27592ce97926a98feeeb92fc0a77ca93f
