[INFO] fetching crate oklab 1.1.2...
[INFO] testing oklab-1.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate oklab 1.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate oklab 1.1.2
[INFO] finished tweaking crates.io crate oklab 1.1.2
[INFO] tweaked toml for crates.io crate oklab 1.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oklab 1.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oklab 1.1.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71dac5e7de8c7641f648d410e0d0a1b54c2ed4017cfad010cbcb2186c6c1992
[INFO] running `Command { std: "docker" "start" "-a" "c71dac5e7de8c7641f648d410e0d0a1b54c2ed4017cfad010cbcb2186c6c1992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71dac5e7de8c7641f648d410e0d0a1b54c2ed4017cfad010cbcb2186c6c1992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71dac5e7de8c7641f648d410e0d0a1b54c2ed4017cfad010cbcb2186c6c1992", kill_on_drop: false }`
[INFO] [stdout] c71dac5e7de8c7641f648d410e0d0a1b54c2ed4017cfad010cbcb2186c6c1992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6856c035d2c2025e8e29332342f225d7ad01a2a398dd3ef1bf1c3f043724c5
[INFO] running `Command { std: "docker" "start" "-a" "db6856c035d2c2025e8e29332342f225d7ad01a2a398dd3ef1bf1c3f043724c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb v0.8.49
[INFO] [stderr]    Compiling fast-srgb8 v1.0.0
[INFO] [stderr]    Compiling oklab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "db6856c035d2c2025e8e29332342f225d7ad01a2a398dd3ef1bf1c3f043724c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6856c035d2c2025e8e29332342f225d7ad01a2a398dd3ef1bf1c3f043724c5", kill_on_drop: false }`
[INFO] [stdout] db6856c035d2c2025e8e29332342f225d7ad01a2a398dd3ef1bf1c3f043724c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d363fc1e3d2eb6d0d689506cf2bcd36b87df322d8857ada1470f00efadf73a27
[INFO] running `Command { std: "docker" "start" "-a" "d363fc1e3d2eb6d0d689506cf2bcd36b87df322d8857ada1470f00efadf73a27", kill_on_drop: false }`
[INFO] [stderr]    Compiling oklab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "d363fc1e3d2eb6d0d689506cf2bcd36b87df322d8857ada1470f00efadf73a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d363fc1e3d2eb6d0d689506cf2bcd36b87df322d8857ada1470f00efadf73a27", kill_on_drop: false }`
[INFO] [stdout] d363fc1e3d2eb6d0d689506cf2bcd36b87df322d8857ada1470f00efadf73a27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35968d731cee06e18831aae2579c8ff152dcd2026f56dde2cccd40316c9bc8f2
[INFO] running `Command { std: "docker" "start" "-a" "35968d731cee06e18831aae2579c8ff152dcd2026f56dde2cccd40316c9bc8f2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/oklab-82c3e200cb8fa90b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test linear_int ... ok
[INFO] [stdout] test linear_f ... ok
[INFO] [stdout] test linear_mix ... ok
[INFO] [stdout] test cbrt_precision ... ok
[INFO] [stdout] test roundtrip_half2 ... ok
[INFO] [stdout] test roundtrip_half1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.53s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests oklab
[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" "35968d731cee06e18831aae2579c8ff152dcd2026f56dde2cccd40316c9bc8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35968d731cee06e18831aae2579c8ff152dcd2026f56dde2cccd40316c9bc8f2", kill_on_drop: false }`
[INFO] [stdout] 35968d731cee06e18831aae2579c8ff152dcd2026f56dde2cccd40316c9bc8f2