[INFO] fetching crate mcu-score 0.2.0...
[INFO] testing mcu-score-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mcu-score 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mcu-score 0.2.0
[INFO] finished tweaking crates.io crate mcu-score 0.2.0
[INFO] tweaked toml for crates.io crate mcu-score 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcu-score 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-score 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 283aec8ebad58a7442c069106677e60d022787723a55a722271cfabd26e4ed8a
[INFO] running `Command { std: "docker" "start" "-a" "283aec8ebad58a7442c069106677e60d022787723a55a722271cfabd26e4ed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "283aec8ebad58a7442c069106677e60d022787723a55a722271cfabd26e4ed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283aec8ebad58a7442c069106677e60d022787723a55a722271cfabd26e4ed8a", kill_on_drop: false }`
[INFO] [stdout] 283aec8ebad58a7442c069106677e60d022787723a55a722271cfabd26e4ed8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 78e38a8829803114b944493cac74c195af2bf1bb65507a3a0122e9a8a3102b96
[INFO] running `Command { std: "docker" "start" "-a" "78e38a8829803114b944493cac74c195af2bf1bb65507a3a0122e9a8a3102b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[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-score v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "78e38a8829803114b944493cac74c195af2bf1bb65507a3a0122e9a8a3102b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e38a8829803114b944493cac74c195af2bf1bb65507a3a0122e9a8a3102b96", kill_on_drop: false }`
[INFO] [stdout] 78e38a8829803114b944493cac74c195af2bf1bb65507a3a0122e9a8a3102b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 444ff7cdd81275857b1ebf5bd67b25cddb5e1daf690ea92585655a89ae2fc3a0
[INFO] running `Command { std: "docker" "start" "-a" "444ff7cdd81275857b1ebf5bd67b25cddb5e1daf690ea92585655a89ae2fc3a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling mcu-score v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `Command { std: "docker" "inspect" "444ff7cdd81275857b1ebf5bd67b25cddb5e1daf690ea92585655a89ae2fc3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444ff7cdd81275857b1ebf5bd67b25cddb5e1daf690ea92585655a89ae2fc3a0", kill_on_drop: false }`
[INFO] [stdout] 444ff7cdd81275857b1ebf5bd67b25cddb5e1daf690ea92585655a89ae2fc3a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d4f92c0eb2cffb849512da37aaee8ee77a93c24c25cd056d1b902553bae9a6f2
[INFO] running `Command { std: "docker" "start" "-a" "d4f92c0eb2cffb849512da37aaee8ee77a93c24c25cd056d1b902553bae9a6f2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcu_score-37dd209baf0f2689)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test score::tests::test_custom_fallback_color ... ok
[INFO] [stdout] test score::tests::test_default_desired_is_four ... ok
[INFO] [stdout] test score::tests::test_default_filter_is_true ... ok
[INFO] [stdout] test score::tests::test_default_fallback_is_google_blue ... ok
[INFO] [stdout] test score::tests::test_empty_input_returns_fallback ... ok
[INFO] [stdout] test score::tests::test_desired_one ... ok
[INFO] [stdout] test score::tests::test_desired_larger_than_input ... ok
[INFO] [stdout] test score::tests::test_higher_population_preferred ... ok
[INFO] [stdout] test score::tests::test_hue_diversity ... ok
[INFO] [stdout] test score::tests::test_consistent_results ... ok
[INFO] [stdout] test score::tests::test_score_options_builder ... ok
[INFO] [stdout] test score::tests::test_large_population_values ... ok
[INFO] [stdout] test score::tests::test_single_color_high_chroma ... ok
[INFO] [stdout] test score::tests::test_diverse_palette ... ok
[INFO] [stdout] test score::tests::test_multiple_colors_returns_desired_count ... ok
[INFO] [stdout] test score::tests::test_zero_population_sum ... ok
[INFO] [stdout] test score::tests::test_single_color_low_chroma_filtered ... ok
[INFO] [stdout] test score::tests::test_single_color_low_chroma_unfiltered ... ok
[INFO] [stdout] test score::tests::test_white_and_black_filtered ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcu_score
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4f92c0eb2cffb849512da37aaee8ee77a93c24c25cd056d1b902553bae9a6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f92c0eb2cffb849512da37aaee8ee77a93c24c25cd056d1b902553bae9a6f2", kill_on_drop: false }`
[INFO] [stdout] d4f92c0eb2cffb849512da37aaee8ee77a93c24c25cd056d1b902553bae9a6f2