[INFO] fetching crate winter-utils 0.2.0...
[INFO] testing winter-utils-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate winter-utils 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate winter-utils 0.2.0 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 winter-utils 0.2.0
[INFO] finished tweaking crates.io crate winter-utils 0.2.0
[INFO] tweaked toml for crates.io crate winter-utils 0.2.0 written to /workspace/builds/worker-7/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 909f4175999452dd0d6a3ec1e8ffdf7a631b54726856642542deb4336d4ab18a
[INFO] running `Command { std: "docker" "start" "-a" "909f4175999452dd0d6a3ec1e8ffdf7a631b54726856642542deb4336d4ab18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909f4175999452dd0d6a3ec1e8ffdf7a631b54726856642542deb4336d4ab18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909f4175999452dd0d6a3ec1e8ffdf7a631b54726856642542deb4336d4ab18a", kill_on_drop: false }`
[INFO] [stdout] 909f4175999452dd0d6a3ec1e8ffdf7a631b54726856642542deb4336d4ab18a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9133ed3ebb0d0164ecf9adc473a1a1ca85f8c32b3519e6fa923e9aee3f1fb3c6
[INFO] running `Command { std: "docker" "start" "-a" "9133ed3ebb0d0164ecf9adc473a1a1ca85f8c32b3519e6fa923e9aee3f1fb3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling winter-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "9133ed3ebb0d0164ecf9adc473a1a1ca85f8c32b3519e6fa923e9aee3f1fb3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9133ed3ebb0d0164ecf9adc473a1a1ca85f8c32b3519e6fa923e9aee3f1fb3c6", kill_on_drop: false }`
[INFO] [stdout] 9133ed3ebb0d0164ecf9adc473a1a1ca85f8c32b3519e6fa923e9aee3f1fb3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c2ec88da81fe17454b02129242da6b3b685a59a88afb27118d621a2eb2005912
[INFO] running `Command { std: "docker" "start" "-a" "c2ec88da81fe17454b02129242da6b3b685a59a88afb27118d621a2eb2005912", kill_on_drop: false }`
[INFO] [stderr]    Compiling winter-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "c2ec88da81fe17454b02129242da6b3b685a59a88afb27118d621a2eb2005912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ec88da81fe17454b02129242da6b3b685a59a88afb27118d621a2eb2005912", kill_on_drop: false }`
[INFO] [stdout] c2ec88da81fe17454b02129242da6b3b685a59a88afb27118d621a2eb2005912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 96658ac0eaebadecaf941cdb4a64b9e8085f9b5393bb6705d7f4a437346dfaf3
[INFO] running `Command { std: "docker" "start" "-a" "96658ac0eaebadecaf941cdb4a64b9e8085f9b5393bb6705d7f4a437346dfaf3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/winter_utils-a4d30c7df8610c2c)
[INFO] [stdout] test tests::read_u64 ... ok
[INFO] [stdout] test tests::read_u8 ... ok
[INFO] [stdout] test tests::read_u8_vec ... ok
[INFO] [stdout] test tests::write_serializable_batch ... ok
[INFO] [stdout] test tests::write_serializable_array_batch ... ok
[INFO] [stdout] test tests::write_serializable ... ok
[INFO] [stdout] test tests::read_u32 ... ok
[INFO] [stderr]    Doc-tests winter-utils
[INFO] [stdout] test tests::group_vector_elements ... ok
[INFO] [stdout] test tests::read_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - flatten_slice_elements (line 506) ... ok
[INFO] [stdout] test src/lib.rs - group_slice_elements (line 483) ... ok
[INFO] [stdout] test src/lib.rs - flatten_vector_elements (line 523) ... ok
[INFO] [stdout] test src/lib.rs - group_vector_elements (line 453) ... ok
[INFO] [stdout] test src/lib.rs - transpose_slice (line 549) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96658ac0eaebadecaf941cdb4a64b9e8085f9b5393bb6705d7f4a437346dfaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96658ac0eaebadecaf941cdb4a64b9e8085f9b5393bb6705d7f4a437346dfaf3", kill_on_drop: false }`
[INFO] [stdout] 96658ac0eaebadecaf941cdb4a64b9e8085f9b5393bb6705d7f4a437346dfaf3