[INFO] fetching crate luv 0.9.1...
[INFO] testing luv-0.9.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate luv 0.9.1 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate luv 0.9.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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_derivation v0.1.2
[INFO] [stderr]   Downloaded srgb v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 456ae91e6b4138ab7d5cf0e09d5ea154ce874df96fba975718404e64c575367b
[INFO] running `Command { std: "docker" "start" "-a" "456ae91e6b4138ab7d5cf0e09d5ea154ce874df96fba975718404e64c575367b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "456ae91e6b4138ab7d5cf0e09d5ea154ce874df96fba975718404e64c575367b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456ae91e6b4138ab7d5cf0e09d5ea154ce874df96fba975718404e64c575367b", kill_on_drop: false }`
[INFO] [stdout] 456ae91e6b4138ab7d5cf0e09d5ea154ce874df96fba975718404e64c575367b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3684538c93f82732aef16830ed059b7442a5bc6e8dc19c51658809809aaf3fca
[INFO] running `Command { std: "docker" "start" "-a" "3684538c93f82732aef16830ed059b7442a5bc6e8dc19c51658809809aaf3fca", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 15.41s
[INFO] running `Command { std: "docker" "inspect" "3684538c93f82732aef16830ed059b7442a5bc6e8dc19c51658809809aaf3fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3684538c93f82732aef16830ed059b7442a5bc6e8dc19c51658809809aaf3fca", kill_on_drop: false }`
[INFO] [stdout] 3684538c93f82732aef16830ed059b7442a5bc6e8dc19c51658809809aaf3fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9f3a9dd49babf08f340a66420aaa7fcfc61cc5db89a2152a70b6f1aef1e546
[INFO] running `Command { std: "docker" "start" "-a" "ef9f3a9dd49babf08f340a66420aaa7fcfc61cc5db89a2152a70b6f1aef1e546", kill_on_drop: false }`
[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 19.25s
[INFO] running `Command { std: "docker" "inspect" "ef9f3a9dd49babf08f340a66420aaa7fcfc61cc5db89a2152a70b6f1aef1e546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9f3a9dd49babf08f340a66420aaa7fcfc61cc5db89a2152a70b6f1aef1e546", kill_on_drop: false }`
[INFO] [stdout] ef9f3a9dd49babf08f340a66420aaa7fcfc61cc5db89a2152a70b6f1aef1e546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b783c3c1fe7fa9962c2086e01cefdec76e5ca4f13678228c52805dce77c42038
[INFO] running `Command { std: "docker" "start" "-a" "b783c3c1fe7fa9962c2086e01cefdec76e5ca4f13678228c52805dce77c42038", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luv-cca952c4864c3790)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::test_luv_from_lch ... ok
[INFO] [stdout] test tests::test_luv_from_xyz ... ok
[INFO] [stdout] test tests::test_grey_error ... ok
[INFO] [stdout] test tests::test_luv_from_rgb ... ok
[INFO] [stdout] test tests::test_luvs_to_rgb_bytes ... ok
[INFO] [stdout] test tests::test_lch_from_luv ... 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_sync ... ok
[INFO] [stdout] test tests::test_send ... 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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luv
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[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 - LCh::to_luv (line 427) ... ok
[INFO] [stdout] test src/lib.rs - LCh::to_rgb (line 410) ... ok
[INFO] [stdout] test src/lib.rs - Luv::squared_distance (line 339) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Luv::to_rgb (line 323) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - LCh::from_rgba (line 375) ... ok
[INFO] [stdout] test src/lib.rs - LCh::from_luv (line 389) ... ok
[INFO] [stdout] test src/lib.rs - LCh::from_rgb (line 357) ... ok
[INFO] [stdout] test src/lib.rs - luvs_to_rgb_bytes (line 256) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - rgbs_to_luvs (line 201) ... ok
[INFO] [stdout] test src/lib.rs - luvs_to_rgbs (line 239) ... ok
[INFO] [stdout] test src/lib.rs - rgb_bytes_to_luvs (line 219) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b783c3c1fe7fa9962c2086e01cefdec76e5ca4f13678228c52805dce77c42038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b783c3c1fe7fa9962c2086e01cefdec76e5ca4f13678228c52805dce77c42038", kill_on_drop: false }`
[INFO] [stdout] b783c3c1fe7fa9962c2086e01cefdec76e5ca4f13678228c52805dce77c42038