[INFO] fetching crate simple_stats 0.1.1...
[INFO] testing simple_stats-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate simple_stats 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate simple_stats 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_stats 0.1.1
[INFO] finished tweaking crates.io crate simple_stats 0.1.1
[INFO] tweaked toml for crates.io crate simple_stats 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0136d29042e3ffbe5315e29c401d4236cb59d1925aed4ae53e9870a8e72af03e
[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" "0136d29042e3ffbe5315e29c401d4236cb59d1925aed4ae53e9870a8e72af03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0136d29042e3ffbe5315e29c401d4236cb59d1925aed4ae53e9870a8e72af03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0136d29042e3ffbe5315e29c401d4236cb59d1925aed4ae53e9870a8e72af03e", kill_on_drop: false }`
[INFO] [stdout] 0136d29042e3ffbe5315e29c401d4236cb59d1925aed4ae53e9870a8e72af03e
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 94ba27a3c7bfaabb91c813bd42f9a4c5983e63106de3ebc6e18b06856ef4bc8b
[INFO] running `Command { std: "docker" "start" "-a" "94ba27a3c7bfaabb91c813bd42f9a4c5983e63106de3ebc6e18b06856ef4bc8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling simple_stats v0.1.1 (/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 7.73s
[INFO] running `Command { std: "docker" "inspect" "94ba27a3c7bfaabb91c813bd42f9a4c5983e63106de3ebc6e18b06856ef4bc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ba27a3c7bfaabb91c813bd42f9a4c5983e63106de3ebc6e18b06856ef4bc8b", kill_on_drop: false }`
[INFO] [stdout] 94ba27a3c7bfaabb91c813bd42f9a4c5983e63106de3ebc6e18b06856ef4bc8b
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] ff95f35a97d8f8392daba5c06efdc731085a29ec446b9ad9beb6582e937d34bf
[INFO] running `Command { std: "docker" "start" "-a" "ff95f35a97d8f8392daba5c06efdc731085a29ec446b9ad9beb6582e937d34bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_stats v0.1.1 (/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 0.98s
[INFO] running `Command { std: "docker" "inspect" "ff95f35a97d8f8392daba5c06efdc731085a29ec446b9ad9beb6582e937d34bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff95f35a97d8f8392daba5c06efdc731085a29ec446b9ad9beb6582e937d34bf", kill_on_drop: false }`
[INFO] [stdout] ff95f35a97d8f8392daba5c06efdc731085a29ec446b9ad9beb6582e937d34bf
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4a8319d1f4c2e401be4b57819724659c115894d7dfa67467d017bf59e0e8403
[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" "f4a8319d1f4c2e401be4b57819724659c115894d7dfa67467d017bf59e0e8403", kill_on_drop: false }`
[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] 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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_stats-b5ff6470410d63d9)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test stats_::tests::test_mean ... ok
[INFO] [stdout] test stats_::tests::test_population_standard_deviation ... ok
[INFO] [stdout] test stats_::tests::test_standard_deviation ... ok
[INFO] [stdout] test stats_::tests::test_qsort_sorted ... ok
[INFO] [stdout] test univariate_::test::test_pkurtosis ... ok
[INFO] [stdout] test stats_::tests::test_qsort_small ... ok
[INFO] [stdout] test univariate_::test::test_pskewness ... ok
[INFO] [stdout] test univariate_::test::test_quadratic_mean ... ok
[INFO] [stdout] test univariate_::test::test_skewness ... ok
[INFO] [stdout] test univariate_::test::test_standard_error_kurtosis ... ok
[INFO] [stdout] test univariate_::test::test_standard_error_mean ... ok
[INFO] [stdout] test univariate_::test::test_standard_error_skewness ... ok
[INFO] [stdout] test stats_::tests::test_standard_scores ... ok
[INFO] [stdout] test stats_::tests::test_qsort_empty ... ok
[INFO] [stdout] test univariate_::test::test_geometric_mean ... ok
[INFO] [stdout] test stats_::tests::test_variance ... ok
[INFO] [stdout] test stats_::tests::test_population_variance ... ok
[INFO] [stdout] test univariate_::test::test_average_deviation ... ok
[INFO] [stdout] test univariate_::test::test_harmonic_mean ... ok
[INFO] [stdout] test stats_::tests::test_median ... ok
[INFO] [stdout] test stats_::tests::test_qsort_reverse_sorted ... ok
[INFO] [stdout] test univariate_::test::test_kurtosis ... ok
[INFO] [stdout] test univariate_::test::test_mode ... ok
[INFO] [stdout] test univariate_::test::test_pearson_skewness ... ok
[INFO] [stderr]    Doc-tests simple_stats
[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; finished in 1.30s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4a8319d1f4c2e401be4b57819724659c115894d7dfa67467d017bf59e0e8403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a8319d1f4c2e401be4b57819724659c115894d7dfa67467d017bf59e0e8403", kill_on_drop: false }`
[INFO] [stdout] f4a8319d1f4c2e401be4b57819724659c115894d7dfa67467d017bf59e0e8403