[INFO] fetching crate confusion_matrix 1.0.0...
[INFO] testing confusion_matrix-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate confusion_matrix 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate confusion_matrix 1.0.0 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 confusion_matrix 1.0.0
[INFO] finished tweaking crates.io crate confusion_matrix 1.0.0
[INFO] tweaked toml for crates.io crate confusion_matrix 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate confusion_matrix 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85ae7b1486e424dc2c5b43cb36b2ec01e1fef94268fc461b9a9d88782d112e5d
[INFO] running `Command { std: "docker" "start" "-a" "85ae7b1486e424dc2c5b43cb36b2ec01e1fef94268fc461b9a9d88782d112e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ae7b1486e424dc2c5b43cb36b2ec01e1fef94268fc461b9a9d88782d112e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ae7b1486e424dc2c5b43cb36b2ec01e1fef94268fc461b9a9d88782d112e5d", kill_on_drop: false }`
[INFO] [stdout] 85ae7b1486e424dc2c5b43cb36b2ec01e1fef94268fc461b9a9d88782d112e5d
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee77c0924eef3a691510d156bc41b319663ae0dabab4bf0731c0cb71c9e1741f
[INFO] running `Command { std: "docker" "start" "-a" "ee77c0924eef3a691510d156bc41b319663ae0dabab4bf0731c0cb71c9e1741f", kill_on_drop: false }`
[INFO] [stderr]    Compiling confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ee77c0924eef3a691510d156bc41b319663ae0dabab4bf0731c0cb71c9e1741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee77c0924eef3a691510d156bc41b319663ae0dabab4bf0731c0cb71c9e1741f", kill_on_drop: false }`
[INFO] [stdout] ee77c0924eef3a691510d156bc41b319663ae0dabab4bf0731c0cb71c9e1741f
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731c6fa2762d8030794fe3d68ba74d0b8f7aab8d2c89beb2d23efc04e3271bf4
[INFO] running `Command { std: "docker" "start" "-a" "731c6fa2762d8030794fe3d68ba74d0b8f7aab8d2c89beb2d23efc04e3271bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "731c6fa2762d8030794fe3d68ba74d0b8f7aab8d2c89beb2d23efc04e3271bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731c6fa2762d8030794fe3d68ba74d0b8f7aab8d2c89beb2d23efc04e3271bf4", kill_on_drop: false }`
[INFO] [stdout] 731c6fa2762d8030794fe3d68ba74d0b8f7aab8d2c89beb2d23efc04e3271bf4
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75cb054cba156c72e805a2c79b76a62c68d115dd1e96b507c237c9cdfd280811
[INFO] running `Command { std: "docker" "start" "-a" "75cb054cba156c72e805a2c79b76a62c68d115dd1e96b507c237c9cdfd280811", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/confusion_matrix-751c41d6fa257731)
[INFO] [stdout] test tests::test_empty_case ... ok
[INFO] [stdout] test tests::test_two_classes ... ok
[INFO] [stdout] test tests::test_three_classes ... ok
[INFO] [stdout] test tests::test_two_classes_2 ... ok
[INFO] [stdout] test tests::test_two_classes_3 ... ok
[INFO] [stderr]    Doc-tests confusion_matrix
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - ConfusionMatrix (line 72) ... ignored
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::add_for (line 189) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::true_rate (line 622) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::precision (line 461) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::prevalence (line 485) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::false_positive (line 280) ... ok
[INFO] [stdout] test src/lib.rs - new (line 118) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::false_rate (line 313) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::overall_accuracy (line 434) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::count_for (line 221) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::true_positive (line 595) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::false_negative (line 248) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::true_negative (line 563) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::total (line 534) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::labels (line 386) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75cb054cba156c72e805a2c79b76a62c68d115dd1e96b507c237c9cdfd280811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cb054cba156c72e805a2c79b76a62c68d115dd1e96b507c237c9cdfd280811", kill_on_drop: false }`
[INFO] [stdout] 75cb054cba156c72e805a2c79b76a62c68d115dd1e96b507c237c9cdfd280811