[INFO] fetching crate luv 0.9.1...
[INFO] testing luv-0.9.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate luv 0.9.1 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate luv 0.9.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luv 0.9.1
[INFO] finished tweaking crates.io crate luv 0.9.1
[INFO] tweaked toml for crates.io crate luv 0.9.1 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1309e2a44d020e860a304d5ed6270dd663f04db7f1224165393ae8e7f152b6c5
[INFO] running `Command { std: "docker" "start" "-a" "1309e2a44d020e860a304d5ed6270dd663f04db7f1224165393ae8e7f152b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1309e2a44d020e860a304d5ed6270dd663f04db7f1224165393ae8e7f152b6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1309e2a44d020e860a304d5ed6270dd663f04db7f1224165393ae8e7f152b6c5", kill_on_drop: false }`
[INFO] [stdout] 1309e2a44d020e860a304d5ed6270dd663f04db7f1224165393ae8e7f152b6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcc4aad393a8124986101e26dcd5f18a61f5dccde31a5404aa38ca87a6bb889c
[INFO] running `Command { std: "docker" "start" "-a" "dcc4aad393a8124986101e26dcd5f18a61f5dccde31a5404aa38ca87a6bb889c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rgb_derivation v0.1.2
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling srgb v0.1.4
[INFO] [stderr]    Compiling luv v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.37s
[INFO] running `Command { std: "docker" "inspect" "dcc4aad393a8124986101e26dcd5f18a61f5dccde31a5404aa38ca87a6bb889c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc4aad393a8124986101e26dcd5f18a61f5dccde31a5404aa38ca87a6bb889c", kill_on_drop: false }`
[INFO] [stdout] dcc4aad393a8124986101e26dcd5f18a61f5dccde31a5404aa38ca87a6bb889c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943a9279041f922475b503c29b5d123fa7c1cd4c63f0bce438a7bc90f76af953
[INFO] running `Command { std: "docker" "start" "-a" "943a9279041f922475b503c29b5d123fa7c1cd4c63f0bce438a7bc90f76af953", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling luv v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "943a9279041f922475b503c29b5d123fa7c1cd4c63f0bce438a7bc90f76af953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943a9279041f922475b503c29b5d123fa7c1cd4c63f0bce438a7bc90f76af953", kill_on_drop: false }`
[INFO] [stdout] 943a9279041f922475b503c29b5d123fa7c1cd4c63f0bce438a7bc90f76af953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b582c0442c746f11b79d62e86117f378753a5a95cf83646c58d6632079c38001
[INFO] running `Command { std: "docker" "start" "-a" "b582c0442c746f11b79d62e86117f378753a5a95cf83646c58d6632079c38001", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luv-b212f82c036ff0aa)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_grey_error ... ok
[INFO] [stdout] test tests::test_lch_from_luv ... ok
[INFO] [stdout] test tests::test_luv_from_lch ... ok
[INFO] [stdout] test tests::test_luv_from_rgb ... ok
[INFO] [stdout] test tests::test_luv_from_xyz ... ok
[INFO] [stdout] test tests::test_luvs_to_rgb_bytes ... ok
[INFO] [stdout] test tests::test_luvs_to_rgbs ... ok
[INFO] [stdout] test tests::test_partial_eq ... ok
[INFO] [stdout] test tests::test_rgb_bytes_to_luvs ... ok
[INFO] [stdout] test tests::test_rgb_from_luv ... ok
[INFO] [stdout] test tests::test_rgbs_to_luvs ... ok
[INFO] [stdout] test tests::test_roundtrip_error ... ok
[INFO] [stdout] test tests::test_send ... ok
[INFO] [stdout] test tests::test_sync ... ok
[INFO] [stdout] test tests::test_xyz_from_luv ... ok
[INFO] [stdout] test tests::test_rgb_to_luv_to_rgb ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luv
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - LCh::from_rgba (line 375) ... ok
[INFO] [stdout] test src/lib.rs - LCh::to_luv (line 427) ... ok
[INFO] [stdout] test src/lib.rs - Luv::to_rgb (line 323) ... ok
[INFO] [stdout] test src/lib.rs - LCh::to_rgb (line 410) ... ok
[INFO] [stdout] test src/lib.rs - LCh::from_rgb (line 357) ... ok
[INFO] [stdout] test src/lib.rs - Luv::squared_distance (line 339) ... ok
[INFO] [stdout] test src/lib.rs - luvs_to_rgb_bytes (line 256) ... ok
[INFO] [stdout] test src/lib.rs - rgbs_to_luvs (line 201) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Luv::from_rgba (line 308) ... ok
[INFO] [stdout] test src/lib.rs - Luv::from_rgb (line 287) ... ok
[INFO] [stdout] test src/lib.rs - rgb_bytes_to_luvs (line 219) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - LCh::from_luv (line 389) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - luvs_to_rgbs (line 239) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b582c0442c746f11b79d62e86117f378753a5a95cf83646c58d6632079c38001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b582c0442c746f11b79d62e86117f378753a5a95cf83646c58d6632079c38001", kill_on_drop: false }`
[INFO] [stdout] b582c0442c746f11b79d62e86117f378753a5a95cf83646c58d6632079c38001