[INFO] fetching crate perceive-color 0.1.0...
[INFO] testing perceive-color-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate perceive-color 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate perceive-color 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate perceive-color 0.1.0
[INFO] tweaked toml for crates.io crate perceive-color 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate perceive-color 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate perceive-color 0.1.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8db0058f06de1139c8089b3fb2b67210a62b4fff28915e8ad8bf4ebc72a7121
[INFO] running `Command { std: "docker" "start" "-a" "b8db0058f06de1139c8089b3fb2b67210a62b4fff28915e8ad8bf4ebc72a7121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8db0058f06de1139c8089b3fb2b67210a62b4fff28915e8ad8bf4ebc72a7121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8db0058f06de1139c8089b3fb2b67210a62b4fff28915e8ad8bf4ebc72a7121", kill_on_drop: false }`
[INFO] [stdout] b8db0058f06de1139c8089b3fb2b67210a62b4fff28915e8ad8bf4ebc72a7121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38cfc74a2c8f370a063438a02865a313001849e583ef08f2afa54b1f25793b8
[INFO] running `Command { std: "docker" "start" "-a" "c38cfc74a2c8f370a063438a02865a313001849e583ef08f2afa54b1f25793b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling perceive-color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c38cfc74a2c8f370a063438a02865a313001849e583ef08f2afa54b1f25793b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38cfc74a2c8f370a063438a02865a313001849e583ef08f2afa54b1f25793b8", kill_on_drop: false }`
[INFO] [stdout] c38cfc74a2c8f370a063438a02865a313001849e583ef08f2afa54b1f25793b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cf6ba88d0c6e0dafa7bff4baf6a730ab27257ae3ac3072b868efbba98c9e6f
[INFO] running `Command { std: "docker" "start" "-a" "62cf6ba88d0c6e0dafa7bff4baf6a730ab27257ae3ac3072b868efbba98c9e6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling proptest v1.10.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling perceive-color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.43s
[INFO] running `Command { std: "docker" "inspect" "62cf6ba88d0c6e0dafa7bff4baf6a730ab27257ae3ac3072b868efbba98c9e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cf6ba88d0c6e0dafa7bff4baf6a730ab27257ae3ac3072b868efbba98c9e6f", kill_on_drop: false }`
[INFO] [stdout] 62cf6ba88d0c6e0dafa7bff4baf6a730ab27257ae3ac3072b868efbba98c9e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bb43d0542c2135694fdab277fa6abfb6806b8ebc097d25e65622ec7f0b16ff5
[INFO] running `Command { std: "docker" "start" "-a" "9bb43d0542c2135694fdab277fa6abfb6806b8ebc097d25e65622ec7f0b16ff5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/perceive_color-25e1a48a9e5077e2)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test apca::tests::black_on_white_high_contrast ... ok
[INFO] [stdout] test apca::tests::font_lookup_high_contrast ... ok
[INFO] [stdout] test apca::tests::polarity_sign ... ok
[INFO] [stdout] test apca::tests::font_lookup_insufficient ... ok
[INFO] [stdout] test apca::tests::same_color_zero ... ok
[INFO] [stdout] test color::tests::black_white_constants ... ok
[INFO] [stdout] test apca::tests::white_on_black_reverse_polarity ... ok
[INFO] [stdout] test color::tests::clamping ... ok
[INFO] [stdout] test color::tests::srgb_roundtrip ... ok
[INFO] [stdout] test oklch::tests::gamut_map_already_in_gamut ... ok
[INFO] [stdout] test oklch::tests::roundtrip_black ... ok
[INFO] [stdout] test oklch::tests::lerp_endpoints ... ok
[INFO] [stdout] test color::tests::from_hex_no_hash ... ok
[INFO] [stdout] test color::tests::from_hex_short ... ok
[INFO] [stdout] test oklch::tests::roundtrip_red ... ok
[INFO] [stdout] test oklch::tests::roundtrip_white ... ok
[INFO] [stdout] test palette::tests::contrast_matrix_symmetry ... ok
[INFO] [stdout] test palette::tests::contrast_matrix_diagonal_is_one ... ok
[INFO] [stdout] test palette::tests::find_accessible_pair_black_white ... ok
[INFO] [stdout] test palette::tests::find_accessible_pair_none ... ok
[INFO] [stdout] test palette::tests::palette_empty ... ok
[INFO] [stdout] test palette::tests::palette_single ... ok
[INFO] [stdout] test palette::tests::palette_lightness_decreasing ... ok
[INFO] [stdout] test palette::tests::palette_step_count ... ok
[INFO] [stdout] test parse::tests::parse_hex_hash ... ok
[INFO] [stdout] test parse::tests::parse_hex_short ... ok
[INFO] [stdout] test palette::tests::suggest_foreground_adjustment ... ok
[INFO] [stdout] test parse::tests::parse_rgb_integers ... ok
[INFO] [stdout] test palette::tests::suggest_foreground_already_passing ... ok
[INFO] [stdout] test parse::tests::parse_rgb_percentages ... ok
[INFO] [stdout] test parse::tests::parse_case_insensitive ... ok
[INFO] [stdout] test wcag::tests::luminance_white ... ok
[INFO] [stdout] test wcag::tests::same_color ... ok
[INFO] [stdout] test wcag::tests::black_on_white ... ok
[INFO] [stdout] test wcag::tests::meets_aaa_large_text ... ok
[INFO] [stdout] test wcag::tests::meets_aa_normal_text ... ok
[INFO] [stdout] test wcag::tests::order_independent ... ok
[INFO] [stdout] test wcag::tests::gray_on_white ... ok
[INFO] [stdout] test parse::tests::parse_named ... ok
[INFO] [stdout] test wcag::tests::luminance_black ... ok
[INFO] [stdout] test parse::tests::parse_unknown_fails ... ok
[INFO] [stdout] test color::tests::from_hex_full ... ok
[INFO] [stdout] test parse::tests::parse_hsl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/properties.rs (/opt/rustwide/target/debug/deps/properties-46220dc0951ef432)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test contrast_ratio_symmetric ... ok
[INFO] [stdout] test luminance_bounded ... ok
[INFO] [stdout] test oklch_roundtrip ... ok
[INFO] [stdout] test srgb_roundtrip ... ok
[INFO] [stdout] test color_srgb8_roundtrip ... ok
[INFO] [stdout] test contrast_ratio_lte_21 ... ok
[INFO] [stdout] test contrast_ratio_gte_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wcag_reference.rs (/opt/rustwide/target/debug/deps/wcag_reference-1040760b105c5bc8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test w3c_black_on_white ... ok
[INFO] [stdout] test contrast_ratio_minimum ... ok
[INFO] [stdout] test w3c_white_on_black ... ok
[INFO] [stdout] test luminance_bounds ... ok
[INFO] [stdout] test w3c_gray_on_white ... ok
[INFO] [stdout] test conformance_normal_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perceive_color
[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" "9bb43d0542c2135694fdab277fa6abfb6806b8ebc097d25e65622ec7f0b16ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb43d0542c2135694fdab277fa6abfb6806b8ebc097d25e65622ec7f0b16ff5", kill_on_drop: false }`
[INFO] [stdout] 9bb43d0542c2135694fdab277fa6abfb6806b8ebc097d25e65622ec7f0b16ff5
