[INFO] fetching crate oklab 1.1.2...
[INFO] testing oklab-1.1.2 against 1.83.0 for beta-1.84.0-4
[INFO] extracting crate oklab 1.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate oklab 1.1.2 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3893447a1f674205e6770646a8dbdbcc3d4f7bce8fc61e44a35ff2d55664691
[INFO] running `Command { std: "docker" "start" "-a" "c3893447a1f674205e6770646a8dbdbcc3d4f7bce8fc61e44a35ff2d55664691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3893447a1f674205e6770646a8dbdbcc3d4f7bce8fc61e44a35ff2d55664691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3893447a1f674205e6770646a8dbdbcc3d4f7bce8fc61e44a35ff2d55664691", kill_on_drop: false }`
[INFO] [stdout] c3893447a1f674205e6770646a8dbdbcc3d4f7bce8fc61e44a35ff2d55664691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a43997e1eaff680debcd6f9104f9f44fd96167202847a29186308162b73dc95
[INFO] running `Command { std: "docker" "start" "-a" "8a43997e1eaff680debcd6f9104f9f44fd96167202847a29186308162b73dc95", 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "8a43997e1eaff680debcd6f9104f9f44fd96167202847a29186308162b73dc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a43997e1eaff680debcd6f9104f9f44fd96167202847a29186308162b73dc95", kill_on_drop: false }`
[INFO] [stdout] 8a43997e1eaff680debcd6f9104f9f44fd96167202847a29186308162b73dc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3833ef6945d9d510f5c8b7e69eaab90f1f3fa87d93e9633fc3c9e4ca3016b5bb
[INFO] running `Command { std: "docker" "start" "-a" "3833ef6945d9d510f5c8b7e69eaab90f1f3fa87d93e9633fc3c9e4ca3016b5bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling oklab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3833ef6945d9d510f5c8b7e69eaab90f1f3fa87d93e9633fc3c9e4ca3016b5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3833ef6945d9d510f5c8b7e69eaab90f1f3fa87d93e9633fc3c9e4ca3016b5bb", kill_on_drop: false }`
[INFO] [stdout] 3833ef6945d9d510f5c8b7e69eaab90f1f3fa87d93e9633fc3c9e4ca3016b5bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 716b6c93d9a41cddb852a5fa7eceae70f1b301fea86bfb25cef7fc9f18f4399c
[INFO] running `Command { std: "docker" "start" "-a" "716b6c93d9a41cddb852a5fa7eceae70f1b301fea86bfb25cef7fc9f18f4399c", 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-8686f90394c1dddc)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test linear_f ... ok
[INFO] [stdout] test linear_int ... ok
[INFO] [stdout] test linear_mix ... ok
[INFO] [stdout] test cbrt_precision ... ok
[INFO] [stdout] test roundtrip_half1 ... ok
[INFO] [stdout] test roundtrip_half2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.07s
[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" "716b6c93d9a41cddb852a5fa7eceae70f1b301fea86bfb25cef7fc9f18f4399c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716b6c93d9a41cddb852a5fa7eceae70f1b301fea86bfb25cef7fc9f18f4399c", kill_on_drop: false }`
[INFO] [stdout] 716b6c93d9a41cddb852a5fa7eceae70f1b301fea86bfb25cef7fc9f18f4399c