[INFO] crate piet 0.1.0 is already in cache
[INFO] testing piet-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate piet 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate piet 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet 0.1.0
[INFO] finished tweaking crates.io crate piet 0.1.0
[INFO] tweaked toml for crates.io crate piet 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1238eef52b862047c82cf5b9f11d12353c0678b947643acc81807891ee501da6
[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" "1238eef52b862047c82cf5b9f11d12353c0678b947643acc81807891ee501da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1238eef52b862047c82cf5b9f11d12353c0678b947643acc81807891ee501da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1238eef52b862047c82cf5b9f11d12353c0678b947643acc81807891ee501da6", kill_on_drop: false }`
[INFO] [stdout] 1238eef52b862047c82cf5b9f11d12353c0678b947643acc81807891ee501da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] f614b6a44e2dc25f69a76a9d2c48e9958aef6c5d5dc4f5e075a56ba228e73449
[INFO] running `Command { std: "docker" "start" "-a" "f614b6a44e2dc25f69a76a9d2c48e9958aef6c5d5dc4f5e075a56ba228e73449", kill_on_drop: false }`
[INFO] [stderr]    Compiling kurbo v0.6.2
[INFO] [stderr]    Compiling piet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "f614b6a44e2dc25f69a76a9d2c48e9958aef6c5d5dc4f5e075a56ba228e73449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f614b6a44e2dc25f69a76a9d2c48e9958aef6c5d5dc4f5e075a56ba228e73449", kill_on_drop: false }`
[INFO] [stdout] f614b6a44e2dc25f69a76a9d2c48e9958aef6c5d5dc4f5e075a56ba228e73449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b17308dfed15cfd1e141c4be56910e9cf6b2079561081aaf0f54505e0c05245
[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" "8b17308dfed15cfd1e141c4be56910e9cf6b2079561081aaf0f54505e0c05245", kill_on_drop: false }`
[INFO] [stderr]    Compiling piet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "8b17308dfed15cfd1e141c4be56910e9cf6b2079561081aaf0f54505e0c05245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b17308dfed15cfd1e141c4be56910e9cf6b2079561081aaf0f54505e0c05245", kill_on_drop: false }`
[INFO] [stdout] 8b17308dfed15cfd1e141c4be56910e9cf6b2079561081aaf0f54505e0c05245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 475a0442764284966cac87c109357e9e6e52af86a0a99d22f00e2e4cca2665ef
[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" "475a0442764284966cac87c109357e9e6e52af86a0a99d22f00e2e4cca2665ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/piet-e954a492fb03b413
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests piet
[INFO] [stdout] test util::tests::test_count_until_utf16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/render_context.rs - render_context::PaintBrush (line 242) ... ok
[INFO] [stdout] test src/gradient.rs - gradient::LinearGradient::new (line 278) ... ok
[INFO] [stdout] test src/color.rs - color::Color::grey8 (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "475a0442764284966cac87c109357e9e6e52af86a0a99d22f00e2e4cca2665ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475a0442764284966cac87c109357e9e6e52af86a0a99d22f00e2e4cca2665ef", kill_on_drop: false }`
[INFO] [stdout] 475a0442764284966cac87c109357e9e6e52af86a0a99d22f00e2e4cca2665ef