[INFO] fetching crate confusion_matrix 1.0.0...
[INFO] testing confusion_matrix-1.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[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 b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2cdf9d55ef32c764926d48e8bea87dff4b333f40a0964882a49aa9f55aa18f
[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" "5b2cdf9d55ef32c764926d48e8bea87dff4b333f40a0964882a49aa9f55aa18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2cdf9d55ef32c764926d48e8bea87dff4b333f40a0964882a49aa9f55aa18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2cdf9d55ef32c764926d48e8bea87dff4b333f40a0964882a49aa9f55aa18f", kill_on_drop: false }`
[INFO] [stdout] 5b2cdf9d55ef32c764926d48e8bea87dff4b333f40a0964882a49aa9f55aa18f
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cfcb78b216f6db0c19e56418675b8ffe847324f2c286bd8d6d6fd876d98b37f
[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" "9cfcb78b216f6db0c19e56418675b8ffe847324f2c286bd8d6d6fd876d98b37f", kill_on_drop: false }`
[INFO] [stderr]    Compiling confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9cfcb78b216f6db0c19e56418675b8ffe847324f2c286bd8d6d6fd876d98b37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfcb78b216f6db0c19e56418675b8ffe847324f2c286bd8d6d6fd876d98b37f", kill_on_drop: false }`
[INFO] [stdout] 9cfcb78b216f6db0c19e56418675b8ffe847324f2c286bd8d6d6fd876d98b37f
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fda4205adb5c7c9584201395abe384dabc67fa1ee3e6231ee008f9a2a51d861
[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" "3fda4205adb5c7c9584201395abe384dabc67fa1ee3e6231ee008f9a2a51d861", kill_on_drop: false }`
[INFO] [stderr]    Compiling confusion_matrix v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "3fda4205adb5c7c9584201395abe384dabc67fa1ee3e6231ee008f9a2a51d861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fda4205adb5c7c9584201395abe384dabc67fa1ee3e6231ee008f9a2a51d861", kill_on_drop: false }`
[INFO] [stdout] 3fda4205adb5c7c9584201395abe384dabc67fa1ee3e6231ee008f9a2a51d861
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] e185ad312f4c3aa30fe2d3e7b7ff0f49a1eb871c1c779fd93d636a3957f976de
[INFO] running `Command { std: "docker" "start" "-a" "e185ad312f4c3aa30fe2d3e7b7ff0f49a1eb871c1c779fd93d636a3957f976de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/confusion_matrix-e5b632ca81856d65)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_empty_case ... ok
[INFO] [stdout] test tests::test_two_classes ... ok
[INFO] [stdout] test tests::test_two_classes_2 ... ok
[INFO] [stdout] test tests::test_three_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 0.01s
[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 - new (line 118) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::add_for (line 189) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::false_rate (line 313) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::true_rate (line 622) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::false_negative (line 248) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::total (line 534) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::false_positive (line 280) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::prevalence (line 485) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::labels (line 386) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::true_negative (line 563) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::precision (line 461) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::true_positive (line 595) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::count_for (line 221) ... ok
[INFO] [stdout] test src/lib.rs - ConfusionMatrix::overall_accuracy (line 434) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e185ad312f4c3aa30fe2d3e7b7ff0f49a1eb871c1c779fd93d636a3957f976de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e185ad312f4c3aa30fe2d3e7b7ff0f49a1eb871c1c779fd93d636a3957f976de", kill_on_drop: false }`
[INFO] [stdout] e185ad312f4c3aa30fe2d3e7b7ff0f49a1eb871c1c779fd93d636a3957f976de