[INFO] fetching crate comparator 0.2.1...
[INFO] testing comparator-0.2.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate comparator 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate comparator 0.2.1 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 comparator 0.2.1
[INFO] finished tweaking crates.io crate comparator 0.2.1
[INFO] tweaked toml for crates.io crate comparator 0.2.1 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] e19664aaf5f56cc1964b5b2580bd4626a1ad582ffd26609aca0f04dab749b07f
[INFO] running `Command { std: "docker" "start" "-a" "e19664aaf5f56cc1964b5b2580bd4626a1ad582ffd26609aca0f04dab749b07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19664aaf5f56cc1964b5b2580bd4626a1ad582ffd26609aca0f04dab749b07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19664aaf5f56cc1964b5b2580bd4626a1ad582ffd26609aca0f04dab749b07f", kill_on_drop: false }`
[INFO] [stdout] e19664aaf5f56cc1964b5b2580bd4626a1ad582ffd26609aca0f04dab749b07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/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] 40df680a00aede88f8c98d285abec3674fdc150c204c6f317453a8ae7295bcfc
[INFO] running `Command { std: "docker" "start" "-a" "40df680a00aede88f8c98d285abec3674fdc150c204c6f317453a8ae7295bcfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling comparator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "40df680a00aede88f8c98d285abec3674fdc150c204c6f317453a8ae7295bcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40df680a00aede88f8c98d285abec3674fdc150c204c6f317453a8ae7295bcfc", kill_on_drop: false }`
[INFO] [stdout] 40df680a00aede88f8c98d285abec3674fdc150c204c6f317453a8ae7295bcfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4806c007bfc15eed909a5034e9c07588d3a3188e28e805a4576eb87b70737760
[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" "4806c007bfc15eed909a5034e9c07588d3a3188e28e805a4576eb87b70737760", kill_on_drop: false }`
[INFO] [stderr]    Compiling comparator v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "4806c007bfc15eed909a5034e9c07588d3a3188e28e805a4576eb87b70737760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4806c007bfc15eed909a5034e9c07588d3a3188e28e805a4576eb87b70737760", kill_on_drop: false }`
[INFO] [stdout] 4806c007bfc15eed909a5034e9c07588d3a3188e28e805a4576eb87b70737760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d204a65a68d82725e047034056f565edbffe99a577cf1bc66a89f43d3ea71d6d
[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" "d204a65a68d82725e047034056f565edbffe99a577cf1bc66a89f43d3ea71d6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/comparator-7c1d9d359bc01f71)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests comparator
[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] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::into_iter (line 1060) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::iter (line 381) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::append (line 797) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::capacity (line 458) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::peek_mut (line 427) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::into_sorted_vec (line 611) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::pop (line 543) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::is_empty (line 721) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::push (line 567) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::peek (line 402) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap (line 148) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::clear (line 769) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::len (line 705) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::into_vec (line 590) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::drain (line 745) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap (line 20) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::shrink_to_fit (line 524) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::reserve_exact (line 483) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::reserve (line 507) ... ok
[INFO] [stdout] test src/lib.rs - as_fn (line 91) ... ok
[INFO] [stdout] test src/lib.rs - Comparator::then_comparing (line 40) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::with_capacity (line 329) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T, U>::with_comparator (line 352) ... ok
[INFO] [stdout] test src/collections/binary_heap.rs - collections::binary_heap::BinaryHeap<T>::new (line 306) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d204a65a68d82725e047034056f565edbffe99a577cf1bc66a89f43d3ea71d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d204a65a68d82725e047034056f565edbffe99a577cf1bc66a89f43d3ea71d6d", kill_on_drop: false }`
[INFO] [stdout] d204a65a68d82725e047034056f565edbffe99a577cf1bc66a89f43d3ea71d6d