[INFO] fetching crate statistical 1.0.0...
[INFO] testing statistical-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate statistical 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate statistical 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate statistical 1.0.0
[INFO] finished tweaking crates.io crate statistical 1.0.0
[INFO] tweaked toml for crates.io crate statistical 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd3199f1b9cb8e4d42fe520cfc506cda66b924eb805cae91fa8c2bead8dd42ea
[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" "bd3199f1b9cb8e4d42fe520cfc506cda66b924eb805cae91fa8c2bead8dd42ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3199f1b9cb8e4d42fe520cfc506cda66b924eb805cae91fa8c2bead8dd42ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3199f1b9cb8e4d42fe520cfc506cda66b924eb805cae91fa8c2bead8dd42ea", kill_on_drop: false }`
[INFO] [stdout] bd3199f1b9cb8e4d42fe520cfc506cda66b924eb805cae91fa8c2bead8dd42ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 46ad6e761efeb95ceef13af7cfe8b1f6b91f9d871fb0506adb5afd53b3bcd47b
[INFO] running `Command { std: "docker" "start" "-a" "46ad6e761efeb95ceef13af7cfe8b1f6b91f9d871fb0506adb5afd53b3bcd47b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling statistical v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/univariate_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/univariate_.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/stats_.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/stats_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "46ad6e761efeb95ceef13af7cfe8b1f6b91f9d871fb0506adb5afd53b3bcd47b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ad6e761efeb95ceef13af7cfe8b1f6b91f9d871fb0506adb5afd53b3bcd47b", kill_on_drop: false }`
[INFO] [stdout] 46ad6e761efeb95ceef13af7cfe8b1f6b91f9d871fb0506adb5afd53b3bcd47b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57d260ea0d0d031cfb7153f301acd0ee508883289b68545aa02aa7618983968
[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" "f57d260ea0d0d031cfb7153f301acd0ee508883289b68545aa02aa7618983968", kill_on_drop: false }`
[INFO] [stderr]    Compiling statistical v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/univariate_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/univariate_.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/stats_.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/stats_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/univariate_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/univariate_.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]   --> src/stats_.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |           One,
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Zero`
[INFO] [stdout]   --> src/stats_.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |           Zero};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "f57d260ea0d0d031cfb7153f301acd0ee508883289b68545aa02aa7618983968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57d260ea0d0d031cfb7153f301acd0ee508883289b68545aa02aa7618983968", kill_on_drop: false }`
[INFO] [stdout] f57d260ea0d0d031cfb7153f301acd0ee508883289b68545aa02aa7618983968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 292e27c76c14a0d14fc6fa28e802e78c5fe88a663b690a33713f3d35d28593fa
[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" "292e27c76c14a0d14fc6fa28e802e78c5fe88a663b690a33713f3d35d28593fa", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stdout] running 25 tests
[INFO] [stderr]   --> src/univariate_.rs:25:11
[INFO] [stdout] test stats_::tests::test_qsort_empty ... ok
[INFO] [stderr]    |
[INFO] [stdout] test univariate_::test::test_harmonic_mean ... ok
[INFO] [stderr] 25 |           One,
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]   --> src/univariate_.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |           Zero};
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]   --> src/stats_.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 |           One,
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]   --> src/stats_.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 |           Zero};
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]   --> src/univariate_.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 |           One,
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]   --> src/univariate_.rs:27:11
[INFO] [stderr]    |
[INFO] [stderr] 27 |           Zero};
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]   --> src/stats_.rs:24:11
[INFO] [stderr]    |
[INFO] [stderr] 24 |           One,
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Zero`
[INFO] [stderr]   --> src/stats_.rs:25:11
[INFO] [stderr]    |
[INFO] [stderr] 25 |           Zero};
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/statistical-fc4cdd2b892ef0cc
[INFO] [stdout] test univariate_::test::test_average_deviation ... ok
[INFO] [stdout] test univariate_::test::test_kurtosis ... ok
[INFO] [stdout] test univariate_::test::test_mode ... ok
[INFO] [stdout] test stats_::tests::test_standard_deviation ... ok
[INFO] [stdout] test stats_::tests::test_variance ... ok
[INFO] [stdout] test stats_::tests::test_population_standard_deviation ... ok
[INFO] [stdout] test stats_::tests::test_mean ... ok
[INFO] [stdout] test stats_::tests::test_standard_scores ... ok
[INFO] [stdout] test stats_::tests::test_population_variance ... ok
[INFO] [stdout] test stats_::tests::test_median ... ok
[INFO] [stdout] test stats_::tests::test_qsort_sorted ... ok
[INFO] [stdout] test stats_::tests::test_qsort_reverse_sorted ... ok
[INFO] [stdout] test stats_::tests::test_qsort_small ... ok
[INFO] [stdout] test univariate_::test::test_standard_error_mean ... ok
[INFO] [stdout] test univariate_::test::test_pskewness ... ok
[INFO] [stdout] test univariate_::test::test_quadratic_mean ... ok
[INFO] [stdout] test univariate_::test::test_standard_error_skewness ... ok
[INFO] [stdout] test univariate_::test::test_pkurtosis ... ok
[INFO] [stdout] test univariate_::test::test_standard_error_kurtosis ... ok
[INFO] [stdout] test univariate_::test::test_skewness ... ok
[INFO] [stdout] test univariate_::test::test_pearson_skewness ... ok
[INFO] [stdout] test univariate_::test::test_geometric_mean ... ok
[INFO] [stdout] test stats_::tests::test_qsort_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests statistical
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "292e27c76c14a0d14fc6fa28e802e78c5fe88a663b690a33713f3d35d28593fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292e27c76c14a0d14fc6fa28e802e78c5fe88a663b690a33713f3d35d28593fa", kill_on_drop: false }`
[INFO] [stdout] 292e27c76c14a0d14fc6fa28e802e78c5fe88a663b690a33713f3d35d28593fa