[INFO] crate leonardo-heap 0.3.0 is already in cache
[INFO] testing leonardo-heap-0.3.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate leonardo-heap 0.3.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate leonardo-heap 0.3.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate leonardo-heap 0.3.0
[INFO] finished tweaking crates.io crate leonardo-heap 0.3.0
[INFO] tweaked toml for crates.io crate leonardo-heap 0.3.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 05b02ee6908cd5c5be35308fde157d8a2d37ffe0b0fcf5d7fdc3223554be3bcb
[INFO] running `"docker" "start" "-a" "05b02ee6908cd5c5be35308fde157d8a2d37ffe0b0fcf5d7fdc3223554be3bcb"`
[INFO] [stderr]    Compiling leonardo-heap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `leonardo_closed`
[INFO] [stderr]   --> src/leonardo.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn leonardo_closed(order: u32) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `leonardo_naive`
[INFO] [stderr]   --> src/leonardo.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn leonardo_naive(order: u32) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from_len`
[INFO] [stderr]   --> src/layout.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn new_from_len(size: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "05b02ee6908cd5c5be35308fde157d8a2d37ffe0b0fcf5d7fdc3223554be3bcb"`
[INFO] running `"docker" "rm" "-f" "05b02ee6908cd5c5be35308fde157d8a2d37ffe0b0fcf5d7fdc3223554be3bcb"`
[INFO] [stdout] 05b02ee6908cd5c5be35308fde157d8a2d37ffe0b0fcf5d7fdc3223554be3bcb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 365c402cfc34e82e571e77787380915f663984b18003dec457f86b9fbba328b0
[INFO] running `"docker" "start" "-a" "365c402cfc34e82e571e77787380915f663984b18003dec457f86b9fbba328b0"`
[INFO] [stderr]    Compiling leonardo-heap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "365c402cfc34e82e571e77787380915f663984b18003dec457f86b9fbba328b0"`
[INFO] running `"docker" "rm" "-f" "365c402cfc34e82e571e77787380915f663984b18003dec457f86b9fbba328b0"`
[INFO] [stdout] 365c402cfc34e82e571e77787380915f663984b18003dec457f86b9fbba328b0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] bb1ec3acb94f1d40982f92e907cb15edf09f11b3ccb515e444ed034499d9fabd
[INFO] running `"docker" "start" "-a" "bb1ec3acb94f1d40982f92e907cb15edf09f11b3ccb515e444ed034499d9fabd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leonardo_heap-774705d369bc2a7a
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test leonardo::tests::test_leonardo_lookup_matches ... ok
[INFO] [stdout] test tests::test_balance_after_pop_empty ... ok
[INFO] [stdout] test tests::test_balance_after_pop_mutiple_layers ... ok
[INFO] [stdout] test tests::test_balance_after_pop_one ... ok
[INFO] [stdout] test tests::test_balance_after_pop_split_heaps ... ok
[INFO] [stdout] test tests::test_balance_after_pop_restring_after_sift ... ok
[INFO] [stdout] test tests::test_balance_after_push_first ... ok
[INFO] [stdout] test tests::test_balance_after_push_merge ... ok
[INFO] [stdout] test leonardo::tests::test_leonardo_closed_matches ... ok
[INFO] [stdout] test tests::test_balance_after_pop_two ... ok
[INFO] [stdout] test tests::test_push_pop ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_balance_after_push_second ... ok
[INFO] [stdout] test tests::test_sift_down_zero ... ok
[INFO] [stdout] test tests::test_sift_down_sorting ... ok
[INFO] [stdout] test tests::test_sift_down_three ... ok
[INFO] [stdout] test tests::test_sift_down_one ... ok
[INFO] [stdout] test tests::test_sift_down_two ... ok
[INFO] [stdout] test tests::test_sort_random ... ok
[INFO] [stdout] test tests::test_random ... ok
[INFO] [stdout] test tests::test_balance_after_push_mismatched_lengths ... ok
[INFO] [stdout] test tests::test_sift_down_wrong_order ... ok
[INFO] [stdout] test tests::test_balance_after_pop_mismatched_lengths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bb1ec3acb94f1d40982f92e907cb15edf09f11b3ccb515e444ed034499d9fabd"`
[INFO] running `"docker" "rm" "-f" "bb1ec3acb94f1d40982f92e907cb15edf09f11b3ccb515e444ed034499d9fabd"`
[INFO] [stdout] bb1ec3acb94f1d40982f92e907cb15edf09f11b3ccb515e444ed034499d9fabd