[INFO] fetching crate confusion_matrix 1.0.0...
[INFO] testing confusion_matrix-1.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate confusion_matrix 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate confusion_matrix 1.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9773edc83e320820d33db965c87a0843ead75082a1460421e5733bcad32bc8c0
[INFO] running `Command { std: "docker" "start" "-a" "9773edc83e320820d33db965c87a0843ead75082a1460421e5733bcad32bc8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9773edc83e320820d33db965c87a0843ead75082a1460421e5733bcad32bc8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9773edc83e320820d33db965c87a0843ead75082a1460421e5733bcad32bc8c0", kill_on_drop: false }`
[INFO] [stdout] 9773edc83e320820d33db965c87a0843ead75082a1460421e5733bcad32bc8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f043a8efb7ad52ea1ecb5c1d7f6d97b9ad11b7f59d1015c6f90e8d01b2ca7b
[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" "c4f043a8efb7ad52ea1ecb5c1d7f6d97b9ad11b7f59d1015c6f90e8d01b2ca7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "c4f043a8efb7ad52ea1ecb5c1d7f6d97b9ad11b7f59d1015c6f90e8d01b2ca7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f043a8efb7ad52ea1ecb5c1d7f6d97b9ad11b7f59d1015c6f90e8d01b2ca7b", kill_on_drop: false }`
[INFO] [stdout] c4f043a8efb7ad52ea1ecb5c1d7f6d97b9ad11b7f59d1015c6f90e8d01b2ca7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 827d9548bfd1e0b402c9d340e50d7d4817e8506e9ab07c4b3f49fd6ed352cddb
[INFO] running `Command { std: "docker" "start" "-a" "827d9548bfd1e0b402c9d340e50d7d4817e8506e9ab07c4b3f49fd6ed352cddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/confusion_matrix-33b4e3155fda1147)
[INFO] running `Command { std: "docker" "inspect" "827d9548bfd1e0b402c9d340e50d7d4817e8506e9ab07c4b3f49fd6ed352cddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827d9548bfd1e0b402c9d340e50d7d4817e8506e9ab07c4b3f49fd6ed352cddb", kill_on_drop: false }`
[INFO] [stdout] 827d9548bfd1e0b402c9d340e50d7d4817e8506e9ab07c4b3f49fd6ed352cddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 491ca04f1a7bf921df8fe7488c5fb7c4be32f6b0e72be21cee9f32ae68517622
[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" "491ca04f1a7bf921df8fe7488c5fb7c4be32f6b0e72be21cee9f32ae68517622", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/confusion_matrix-33b4e3155fda1147)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_three_classes ... ok
[INFO] [stdout] test tests::test_empty_case ... ok
[INFO] [stdout] test tests::test_two_classes_2 ... ok
[INFO] [stdout] test tests::test_two_classes ... ok
[INFO] [stdout] test tests::test_two_classes_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests confusion_matrix
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - ConfusionMatrix (line 72) ... ignored
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::count_for (line 221) ... 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::false_positive (line 280) ... 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] test src/lib.rs - ConfusionMatrix::false_negative (line 248) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::precision (line 461) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::overall_accuracy (line 434) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::prevalence (line 485) ... ok
[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::true_positive (line 595) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 3.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "491ca04f1a7bf921df8fe7488c5fb7c4be32f6b0e72be21cee9f32ae68517622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491ca04f1a7bf921df8fe7488c5fb7c4be32f6b0e72be21cee9f32ae68517622", kill_on_drop: false }`
[INFO] [stdout] 491ca04f1a7bf921df8fe7488c5fb7c4be32f6b0e72be21cee9f32ae68517622