[INFO] fetching crate lab 0.8.2...
[INFO] testing lab-0.8.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lab 0.8.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lab 0.8.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lab 0.8.2
[INFO] finished tweaking crates.io crate lab 0.8.2
[INFO] tweaked toml for crates.io crate lab 0.8.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40fcdb2a49731bf727aaa7ea1c80e7dfe82dc49759fd5facadee74898950aee4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40fcdb2a49731bf727aaa7ea1c80e7dfe82dc49759fd5facadee74898950aee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fcdb2a49731bf727aaa7ea1c80e7dfe82dc49759fd5facadee74898950aee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fcdb2a49731bf727aaa7ea1c80e7dfe82dc49759fd5facadee74898950aee4", kill_on_drop: false }`
[INFO] [stdout] 40fcdb2a49731bf727aaa7ea1c80e7dfe82dc49759fd5facadee74898950aee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96db86ca03285bce6c0be8a13b6ffd4133cbcdfebcbc11a97ee043eebbd061e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96db86ca03285bce6c0be8a13b6ffd4133cbcdfebcbc11a97ee043eebbd061e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "96db86ca03285bce6c0be8a13b6ffd4133cbcdfebcbc11a97ee043eebbd061e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96db86ca03285bce6c0be8a13b6ffd4133cbcdfebcbc11a97ee043eebbd061e9", kill_on_drop: false }`
[INFO] [stdout] 96db86ca03285bce6c0be8a13b6ffd4133cbcdfebcbc11a97ee043eebbd061e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ef29fa2ae7e2ae65702202c05cbe56e43c7a8532274da98c65024966bcc585
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "97ef29fa2ae7e2ae65702202c05cbe56e43c7a8532274da98c65024966bcc585", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling lab v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.32s
[INFO] running `Command { std: "docker" "inspect" "97ef29fa2ae7e2ae65702202c05cbe56e43c7a8532274da98c65024966bcc585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ef29fa2ae7e2ae65702202c05cbe56e43c7a8532274da98c65024966bcc585", kill_on_drop: false }`
[INFO] [stdout] 97ef29fa2ae7e2ae65702202c05cbe56e43c7a8532274da98c65024966bcc585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40044d074d6e4d03e196bc94c07cfaa0342fbea309b78555d52325e18cb4440a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40044d074d6e4d03e196bc94c07cfaa0342fbea309b78555d52325e18cb4440a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lab-7956e8226295c3e0
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_send ... ok
[INFO] [stdout] test tests::test_sync ... ok
[INFO] [stderr]    Doc-tests lab
[INFO] [stdout] test tests::test_distance ... ok
[INFO] [stdout] test tests::test_rgb_to_lab_to_rgb ... ok
[INFO] [stdout] test tests::test_to_rgb ... ok
[INFO] [stdout] test tests::test_from_rgb ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - Lab::squared_distance (line 420) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - Lab::from_rgb (line 363) ... ok
[INFO] [stdout] test src/lib.rs - labs_to_rgbs (line 277) ... ok
[INFO] [stdout] test src/lib.rs - rgb_bytes_to_labs (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Lab::to_rgb (line 401) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Lab::from_rgba (line 384) ... ok
[INFO] [stdout] test src/lib.rs - labs_to_rgb_bytes (line 302) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - rgbs_to_labs (line 228) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40044d074d6e4d03e196bc94c07cfaa0342fbea309b78555d52325e18cb4440a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40044d074d6e4d03e196bc94c07cfaa0342fbea309b78555d52325e18cb4440a", kill_on_drop: false }`
[INFO] [stdout] 40044d074d6e4d03e196bc94c07cfaa0342fbea309b78555d52325e18cb4440a