[INFO] fetching crate mcu-contrast 0.2.0...
[INFO] testing mcu-contrast-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mcu-contrast 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mcu-contrast 0.2.0
[INFO] finished tweaking crates.io crate mcu-contrast 0.2.0
[INFO] tweaked toml for crates.io crate mcu-contrast 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcu-contrast 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcu-contrast 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a76614a2e9ed46bbf140e367951213e2dc013689fdb804fe9b49d1d13d69734
[INFO] running `Command { std: "docker" "start" "-a" "1a76614a2e9ed46bbf140e367951213e2dc013689fdb804fe9b49d1d13d69734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a76614a2e9ed46bbf140e367951213e2dc013689fdb804fe9b49d1d13d69734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a76614a2e9ed46bbf140e367951213e2dc013689fdb804fe9b49d1d13d69734", kill_on_drop: false }`
[INFO] [stdout] 1a76614a2e9ed46bbf140e367951213e2dc013689fdb804fe9b49d1d13d69734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d77d0a8121c2f87037c9d4836731c53c84ddea47d18a6e94af4646b80e8776f
[INFO] running `Command { std: "docker" "start" "-a" "9d77d0a8121c2f87037c9d4836731c53c84ddea47d18a6e94af4646b80e8776f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling mcu-utils v0.2.0
[INFO] [stderr]    Compiling mcu-hct v0.2.0
[INFO] [stderr]    Compiling mcu-contrast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "9d77d0a8121c2f87037c9d4836731c53c84ddea47d18a6e94af4646b80e8776f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d77d0a8121c2f87037c9d4836731c53c84ddea47d18a6e94af4646b80e8776f", kill_on_drop: false }`
[INFO] [stdout] 9d77d0a8121c2f87037c9d4836731c53c84ddea47d18a6e94af4646b80e8776f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f08f56db1184e893ed6ffb2380ef4304d1eeba3acbb71374ca6c41f85b9863
[INFO] running `Command { std: "docker" "start" "-a" "45f08f56db1184e893ed6ffb2380ef4304d1eeba3acbb71374ca6c41f85b9863", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling mcu-contrast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "45f08f56db1184e893ed6ffb2380ef4304d1eeba3acbb71374ca6c41f85b9863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f08f56db1184e893ed6ffb2380ef4304d1eeba3acbb71374ca6c41f85b9863", kill_on_drop: false }`
[INFO] [stdout] 45f08f56db1184e893ed6ffb2380ef4304d1eeba3acbb71374ca6c41f85b9863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0288e0d43ca572f6bd4fdc91a468f58568397cb0ec9bbb000435c08a521b7240
[INFO] running `Command { std: "docker" "start" "-a" "0288e0d43ca572f6bd4fdc91a468f58568397cb0ec9bbb000435c08a521b7240", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcu_contrast-6ae3ef18979fedb7)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test contrast::tests::test_darker_achievable ... ok
[INFO] [stdout] test contrast::tests::test_darker_clamped_always_bounded ... ok
[INFO] [stdout] test contrast::tests::test_darker_clamped_achievable ... ok
[INFO] [stdout] test contrast::tests::test_darker_clamped_impossible_returns_0 ... ok
[INFO] [stdout] test contrast::tests::test_darker_impossible_from_black ... ok
[INFO] [stdout] test contrast::tests::test_darker_invalid_tone_above ... ok
[INFO] [stdout] test contrast::tests::test_darker_invalid_tone_negative ... ok
[INFO] [stdout] test contrast::tests::test_darker_ratio_1 ... ok
[INFO] [stdout] test contrast::tests::test_darker_near_black ... ok
[INFO] [stdout] test contrast::tests::test_darker_wcag_aa ... ok
[INFO] [stdout] test contrast::tests::test_lighter_clamped_achievable ... ok
[INFO] [stdout] test contrast::tests::test_lighter_clamped_always_bounded ... ok
[INFO] [stdout] test contrast::tests::test_lighter_clamped_impossible_returns_100 ... ok
[INFO] [stdout] test contrast::tests::test_lighter_clamped_invalid_tone_returns_100 ... ok
[INFO] [stdout] test contrast::tests::test_lighter_darker_complementary ... ok
[INFO] [stdout] test contrast::tests::test_lighter_impossible_from_white ... ok
[INFO] [stdout] test contrast::tests::test_lighter_invalid_tone_negative ... ok
[INFO] [stdout] test contrast::tests::test_lighter_near_white ... ok
[INFO] [stdout] test contrast::tests::test_lighter_invalid_tone_above ... ok
[INFO] [stdout] test contrast::tests::test_lighter_wcag_aa ... ok
[INFO] [stdout] test contrast::tests::test_maximum_contrast ... ok
[INFO] [stdout] test contrast::tests::test_lighter_returns_bounded_value ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_clamped_above ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_clamped_negative ... ok
[INFO] [stdout] test contrast::tests::test_minimal_contrast_lighter ... ok
[INFO] [stdout] test contrast::tests::test_minimal_contrast_darker ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_midtones ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_symmetric ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_black_white ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_same_tone ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_ys_same ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_ys_black_white ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_tones_wcag_aa_large_text ... ok
[INFO] [stdout] test contrast::tests::test_tone_boundaries ... ok
[INFO] [stdout] test contrast::tests::test_wcag_aa_normal_text ... ok
[INFO] [stdout] test contrast::tests::test_wcag_aa_large_text ... ok
[INFO] [stdout] test contrast::tests::test_wcag_aaa_normal_text ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_ys_symmetric ... ok
[INFO] [stdout] test contrast::tests::test_ratio_of_ys_formula ... ok
[INFO] [stdout] test contrast::tests::test_darker_clamped_invalid_tone_returns_0 ... ok
[INFO] [stdout] test contrast::tests::test_lighter_ratio_1 ... ok
[INFO] [stderr]    Doc-tests mcu_contrast
[INFO] [stdout] test contrast::tests::test_darker_returns_bounded_value ... ok
[INFO] [stdout] test contrast::tests::test_lighter_achievable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/contrast.rs - contrast::Contrast::darker (line 127) ... ok
[INFO] [stdout] test src/contrast.rs - contrast::Contrast::lighter (line 81) ... ok
[INFO] [stdout] test src/contrast.rs - contrast::Contrast::ratio_of_tones (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0288e0d43ca572f6bd4fdc91a468f58568397cb0ec9bbb000435c08a521b7240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0288e0d43ca572f6bd4fdc91a468f58568397cb0ec9bbb000435c08a521b7240", kill_on_drop: false }`
[INFO] [stdout] 0288e0d43ca572f6bd4fdc91a468f58568397cb0ec9bbb000435c08a521b7240