[INFO] fetching crate leonardo-heap 0.3.0...
[INFO] testing leonardo-heap-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate leonardo-heap 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate leonardo-heap 0.3.0 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 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 /workspace/builds/worker-1/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] 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7e08bc9da1000d6bc7e7c77b509058faed3b03d4fc6f6542b9b2ac467010e42b
[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" "7e08bc9da1000d6bc7e7c77b509058faed3b03d4fc6f6542b9b2ac467010e42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e08bc9da1000d6bc7e7c77b509058faed3b03d4fc6f6542b9b2ac467010e42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e08bc9da1000d6bc7e7c77b509058faed3b03d4fc6f6542b9b2ac467010e42b", kill_on_drop: false }`
[INFO] [stdout] 7e08bc9da1000d6bc7e7c77b509058faed3b03d4fc6f6542b9b2ac467010e42b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 0922d0f911e226450707165b0841a45418674f32479837d3723096af8cd12277
[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" "0922d0f911e226450707165b0841a45418674f32479837d3723096af8cd12277", kill_on_drop: false }`
[INFO] [stderr]    Compiling leonardo-heap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `leonardo_closed`
[INFO] [stdout]   --> src/leonardo.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn leonardo_closed(order: u32) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `leonardo_naive`
[INFO] [stdout]   --> src/leonardo.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn leonardo_naive(order: u32) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from_len`
[INFO] [stdout]   --> src/layout.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new_from_len(size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "0922d0f911e226450707165b0841a45418674f32479837d3723096af8cd12277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0922d0f911e226450707165b0841a45418674f32479837d3723096af8cd12277", kill_on_drop: false }`
[INFO] [stdout] 0922d0f911e226450707165b0841a45418674f32479837d3723096af8cd12277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 10c7f81c2536a5e89f0f9e8d151052cc72e41f1a1c3389135d6da5061ad36f9b
[INFO] running `Command { std: "docker" "start" "-a" "10c7f81c2536a5e89f0f9e8d151052cc72e41f1a1c3389135d6da5061ad36f9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling leonardo-heap v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "10c7f81c2536a5e89f0f9e8d151052cc72e41f1a1c3389135d6da5061ad36f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c7f81c2536a5e89f0f9e8d151052cc72e41f1a1c3389135d6da5061ad36f9b", kill_on_drop: false }`
[INFO] [stdout] 10c7f81c2536a5e89f0f9e8d151052cc72e41f1a1c3389135d6da5061ad36f9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f769205e90376a02e911a46499644ec9f57037021948700ad44f05bceec91bd7
[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" "f769205e90376a02e911a46499644ec9f57037021948700ad44f05bceec91bd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leonardo_heap-5628624ca4ebd762)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test leonardo::tests::test_leonardo_closed_matches ... ok
[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_restring_after_sift ... ok
[INFO] [stdout] test tests::test_balance_after_pop_split_heaps ... ok
[INFO] [stdout] test tests::test_balance_after_pop_two ... ok
[INFO] [stdout] test tests::test_balance_after_push_first ... ok
[INFO] [stdout] test tests::test_balance_after_push_merge ... ok
[INFO] [stdout] test tests::test_push_pop ... ok
[INFO] [stdout] test tests::test_balance_after_push_second ... ok
[INFO] [stdout] test tests::test_iter ... 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_sift_down_zero ... ok
[INFO] [stdout] test tests::test_sift_down_sorting ... ok
[INFO] [stdout] test tests::test_random ... ok
[INFO] [stdout] test tests::test_sort_random ... ok
[INFO] [stdout] test tests::test_balance_after_pop_mismatched_lengths - should panic ... ok
[INFO] [stdout] test tests::test_balance_after_push_mismatched_lengths - should panic ... ok
[INFO] [stdout] test tests::test_sift_down_wrong_order - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f769205e90376a02e911a46499644ec9f57037021948700ad44f05bceec91bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f769205e90376a02e911a46499644ec9f57037021948700ad44f05bceec91bd7", kill_on_drop: false }`
[INFO] [stdout] f769205e90376a02e911a46499644ec9f57037021948700ad44f05bceec91bd7