[INFO] fetching crate pixelflut 0.2.0...
[INFO] testing pixelflut-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pixelflut 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pixelflut 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixelflut 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixelflut 0.2.0
[INFO] tweaked toml for crates.io crate pixelflut 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pixelflut 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1471293f805cbf21eb6f4b56021e4f10cffe0782a8be9d6a1a75d3cfcae10aea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1471293f805cbf21eb6f4b56021e4f10cffe0782a8be9d6a1a75d3cfcae10aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1471293f805cbf21eb6f4b56021e4f10cffe0782a8be9d6a1a75d3cfcae10aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1471293f805cbf21eb6f4b56021e4f10cffe0782a8be9d6a1a75d3cfcae10aea", kill_on_drop: false }`
[INFO] [stdout] 1471293f805cbf21eb6f4b56021e4f10cffe0782a8be9d6a1a75d3cfcae10aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4df508a059be702f8ee3449fd6f2e343c89b25285cb1bc305beca72d2ce978bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4df508a059be702f8ee3449fd6f2e343c89b25285cb1bc305beca72d2ce978bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling pixelflut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.88s
[INFO] running `Command { std: "docker" "inspect" "4df508a059be702f8ee3449fd6f2e343c89b25285cb1bc305beca72d2ce978bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df508a059be702f8ee3449fd6f2e343c89b25285cb1bc305beca72d2ce978bc", kill_on_drop: false }`
[INFO] [stdout] 4df508a059be702f8ee3449fd6f2e343c89b25285cb1bc305beca72d2ce978bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0785901e95b9aa013324987fb16d9d958914bebc4e9d665df86728771bc19dc0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0785901e95b9aa013324987fb16d9d958914bebc4e9d665df86728771bc19dc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pixelflut v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "0785901e95b9aa013324987fb16d9d958914bebc4e9d665df86728771bc19dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0785901e95b9aa013324987fb16d9d958914bebc4e9d665df86728771bc19dc0", kill_on_drop: false }`
[INFO] [stdout] 0785901e95b9aa013324987fb16d9d958914bebc4e9d665df86728771bc19dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04b57fd79562ea862fd0b1fccbe747d9df30c905cce535b29bf8e1164947280b
[INFO] running `Command { std: "docker" "start" "-a" "04b57fd79562ea862fd0b1fccbe747d9df30c905cce535b29bf8e1164947280b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pixelflut-bbff91d3af410664)
[INFO] [stdout] test pixel::tests::test_color_normalized ... ok
[INFO] [stderr]    Doc-tests pixelflut
[INFO] [stdout] test pixel::tests::test_color_rgb ... ok
[INFO] [stdout] test command::test::display ... ok
[INFO] [stdout] test pixel_buffer::test::pixelbuffer_from_iter ... ok
[INFO] [stdout] test pixel::tests::test_pixel_from_str ... ok
[INFO] [stdout] test pixel::tests::test_color_rgba ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/pixel.rs - pixel::Color::rgb (line 116) - compile ... ok
[INFO] [stdout] test src/sync/server.rs - sync::server::PixelflutServerStream (line 13) - compile ... ok
[INFO] [stdout] test src/pixel.rs - pixel::Color::rgba (line 130) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] test src/pixel_buffer.rs - pixel_buffer::PixelBuffer (line 16) ... ok
[INFO] [stdout] test src/pixel.rs - pixel::Color::from_str (line 286) ... ok
[INFO] [stdout] test src/pixel.rs - pixel::Color::pack (line 190) ... ok
[INFO] [stdout] test src/pixel.rs - pixel::Color::normalized (line 209) ... ok
[INFO] [stdout] test src/pixel.rs - pixel::Color::packed (line 172) ... ok
[INFO] [stdout] test src/pixel_buffer.rs - pixel_buffer::PixelBuffer::write_pixel (line 120) ... ok
[INFO] [stdout] test src/pixel_buffer.rs - pixel_buffer::PixelBuffer::clear (line 105) ... ok
[INFO] [stdout] test src/pixel.rs - pixel::Color::alpha (line 149) ... ok
[INFO] [stdout] test src/pixel_buffer.rs - pixel_buffer::PixelBuffer::is_empty (line 82) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04b57fd79562ea862fd0b1fccbe747d9df30c905cce535b29bf8e1164947280b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b57fd79562ea862fd0b1fccbe747d9df30c905cce535b29bf8e1164947280b", kill_on_drop: false }`
[INFO] [stdout] 04b57fd79562ea862fd0b1fccbe747d9df30c905cce535b29bf8e1164947280b