[INFO] fetching crate permutator 0.4.3...
[INFO] testing permutator-0.4.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate permutator 0.4.3 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate permutator 0.4.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate permutator 0.4.3
[INFO] finished tweaking crates.io crate permutator 0.4.3
[INFO] tweaked toml for crates.io crate permutator 0.4.3 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31b57a7bda140338bd53826db0370c111137180201eab4bfdcd17b3f4b73db51
[INFO] running `Command { std: "docker" "start" "-a" "31b57a7bda140338bd53826db0370c111137180201eab4bfdcd17b3f4b73db51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31b57a7bda140338bd53826db0370c111137180201eab4bfdcd17b3f4b73db51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b57a7bda140338bd53826db0370c111137180201eab4bfdcd17b3f4b73db51", kill_on_drop: false }`
[INFO] [stdout] 31b57a7bda140338bd53826db0370c111137180201eab4bfdcd17b3f4b73db51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff667a7c087cdc8c486a3735d4be19733acc1ad2442f7b7f4239aca503b65a53
[INFO] running `Command { std: "docker" "start" "-a" "ff667a7c087cdc8c486a3735d4be19733acc1ad2442f7b7f4239aca503b65a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling permutator v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.43s
[INFO] running `Command { std: "docker" "inspect" "ff667a7c087cdc8c486a3735d4be19733acc1ad2442f7b7f4239aca503b65a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff667a7c087cdc8c486a3735d4be19733acc1ad2442f7b7f4239aca503b65a53", kill_on_drop: false }`
[INFO] [stdout] ff667a7c087cdc8c486a3735d4be19733acc1ad2442f7b7f4239aca503b65a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85440bf97e5394b653979086086a7c6769fe46d2a871ccf2fcb80c54eab46fc1
[INFO] running `Command { std: "docker" "start" "-a" "85440bf97e5394b653979086086a7c6769fe46d2a871ccf2fcb80c54eab46fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutator v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.72s
[INFO] running `Command { std: "docker" "inspect" "85440bf97e5394b653979086086a7c6769fe46d2a871ccf2fcb80c54eab46fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85440bf97e5394b653979086086a7c6769fe46d2a871ccf2fcb80c54eab46fc1", kill_on_drop: false }`
[INFO] [stdout] 85440bf97e5394b653979086086a7c6769fe46d2a871ccf2fcb80c54eab46fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3be725c4124906c4ab13a7311c483234ff51d7785d76b927a72c3344fc30b5e6
[INFO] running `Command { std: "docker" "start" "-a" "3be725c4124906c4ab13a7311c483234ff51d7785d76b927a72c3344fc30b5e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/permutator-6b53b5706eea4ba1)
[INFO] [stdout] 
[INFO] [stdout] running 182 tests
[INFO] [stdout] test copy::test::compare_gosper_custom_cell_iter ... ignored
[INFO] [stdout] test copy::test::compare_gosper_custom_fn ... ignored
[INFO] [stdout] test copy::test::compare_gosper_custom_iter ... ignored
[INFO] [stdout] test copy::test::compare_gosper_custom_ref_iter ... ignored
[INFO] [stdout] test copy::test::test_CartesianProduct_iterator_alike_shared_result ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct_reset ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct_trait ... ok
[INFO] [stdout] test copy::test::test_GosperCombinationIterator ... ok
[INFO] [stdout] test copy::test::test_GosperCombinationCellIter ... ok
[INFO] [stdout] test copy::test::test_GosperCombinationIteratorAlike_reset ... ok
[INFO] [stdout] test copy::test::test_GosperCombinationIteratorUnsafe ... ok
[INFO] [stdout] test copy::test::test_HeapPermutation ... ok
[INFO] [stdout] test copy::test::test_HeapPermutationCellIterIterator ... ok
[INFO] [stdout] test copy::test::test_HeapPermutationIntoIterator ... ok
[INFO] [stdout] test copy::test::test_HeapPermutationIterator ... ok
[INFO] [stdout] test copy::test::test_HeapPermutationRefIterator ... ok
[INFO] [stdout] test copy::test::test_HeapPermutation_reset ... ok
[INFO] [stdout] test copy::test::test_KPermutation_into_Cell ... ok
[INFO] [stdout] test copy::test::test_KPermutationIterator ... ok
[INFO] [stdout] test copy::test::test_KPermutation_into_Ref ... ok
[INFO] [stdout] test copy::test::test_KPermutation_into_Ref_trait ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct_mimic_iterator_2 ... ok
[INFO] [stdout] test copy::test::test_KPermutation_into_cell_trait ... ok
[INFO] [stdout] test copy::test::test_KPermutation_single_term ... ok
[INFO] [stdout] test copy::test::test_SelfCartesianProduct ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct_mimic_iterator ... ok
[INFO] [stdout] test copy::test::test_SelfCartesianProduct_cell ... ok
[INFO] [stdout] test copy::test::test_KPermutation_trait ... ok
[INFO] [stdout] test copy::test::test_SelfCartesianProduct_ref ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct_ptr_trait ... ok
[INFO] [stdout] test copy::test::test_XPermutationIterator_mt ... ignored
[INFO] [stdout] test copy::test::test_XPermutationCellIter ... ok
[INFO] [stdout] test copy::test::test_XPermutationRefIter ... ok
[INFO] [stdout] test copy::test::test_XPermutationIterator ... ok
[INFO] [stdout] test copy::test::test_cartesian_product ... ok
[INFO] [stdout] test copy::test::test_cartesian_product_shared_result_fn ... ok
[INFO] [stdout] test copy::test::test_combination_cell_fn ... ok
[INFO] [stdout] test copy::test::test_combination_fn ... ok
[INFO] [stdout] test copy::test::test_combination_trait ... ok
[INFO] [stdout] test copy::test::test_combination_trait_ptr ... ok
[INFO] [stdout] test copy::test::test_combination_trait_share ... ok
[INFO] [stdout] test copy::test::test_get_cartesian_for ... ok
[INFO] [stdout] test copy::test::test_get_permutation_for ... ok
[INFO] [stdout] test copy::test::test_CartesianProduct_shared_trait ... ok
[INFO] [stdout] test copy::test::test_heap_permutation_6 ... ok
[INFO] [stdout] test copy::test::test_permutation_trait ... ok
[INFO] [stdout] test copy::test::test_k_permutation_ref_single_term ... ok
[INFO] [stdout] test copy::test::test_k_permutation ... ok
[INFO] [stdout] test copy::test::test_permutation_trait_cell ... ok
[INFO] [stdout] test copy::test::test_permutation_trait_ref ... ok
[INFO] [stdout] test copy::test::test_self_cartesian_product ... ok
[INFO] [stdout] test copy::test::test_self_cartesian_product_shared_result_fn ... ok
[INFO] [stdout] test copy::test::test_k_permutation_primitive ... ok
[INFO] [stdout] test copy::test::test_shared_KPermutation_result ... ok
[INFO] [stdout] test copy::test::test_share_CartesianProductIterator_result_to_thread ... ok
[INFO] [stdout] test copy::test::test_shared_k_permutation_result_fn ... ok
[INFO] [stdout] test copy::test::test_unsafe_cartesian_product ... ok
[INFO] [stdout] test copy::test::test_unsafe_combination_fn ... ok
[INFO] [stdout] test copy::test::test_unsafe_cartesian_product_shared_result ... ok
[INFO] [stdout] test copy::test::test_unsafe_k_permutation ... ok
[INFO] [stdout] test copy::test::test_shared_CartesianProduct_result_sync ... ok
[INFO] [stdout] test copy::test::test_unsafe_self_cartesian_product_shared_result ... ok
[INFO] [stdout] test copy::test::test_shared_combination_result_fn ... ok
[INFO] [stdout] test copy::test::test_unsafe_shared_combination_result_fn ... ok
[INFO] [stdout] test copy::test::test_shared_combination_result_iterator_alike ... ok
[INFO] [stdout] test copy::test::test_share_result_KPermutation_iterator_sync ... ok
[INFO] [stdout] test copy::test::test_unsafe_shared_k_permutation_result_fn ... ok
[INFO] [stdout] test copy::test::test_unsafe_x_permutation ... ok
[INFO] [stdout] test copy::test::test_x_permutation_cell ... ok
[INFO] [stdout] test test::bench_cart_fn ... ignored
[INFO] [stdout] test test::bench_cart_iter ... ignored
[INFO] [stdout] test test::bench_heap_fn ... ignored
[INFO] [stdout] test test::bench_heap_iter ... ignored
[INFO] [stdout] test test::bench_k_perm_fn ... ignored
[INFO] [stdout] test test::bench_k_perm_iter ... ignored
[INFO] [stdout] test test::bench_x_perm_mt_fn ... ignored
[INFO] [stdout] test test::bench_x_perm_st_fn ... ignored
[INFO] [stdout] test test::compare_gosper_custom_cell_iter ... ignored
[INFO] [stdout] test test::compare_gosper_custom_fn ... ignored
[INFO] [stdout] test test::compare_gosper_custom_iter ... ignored
[INFO] [stdout] test test::compare_gosper_custom_ref_iter ... ignored
[INFO] [stdout] test copy::test::test_x_permutation ... ok
[INFO] [stdout] test copy::test::test_x_permutation_restricted ... ok
[INFO] [stdout] test copy::test::test_x_permutation_sync ... ok
[INFO] [stdout] test test::test_CartesianProduct ... ok
[INFO] [stdout] test test::test_CartesianProduct_iterator_alike_shared_result ... ok
[INFO] [stdout] test test::test_CartesianProduct_mimic_iterator ... ok
[INFO] [stdout] test copy::test::test_tldr_case ... ok
[INFO] [stdout] test test::test_CartesianProduct_mimic_iterator_2 ... ok
[INFO] [stdout] test test::test_CartesianProduct_ptr_trait ... ok
[INFO] [stdout] test test::test_CartesianProduct_reset ... ok
[INFO] [stdout] test test::test_CartesianProduct_shared_trait ... ok
[INFO] [stdout] test test::test_CartesianProduct_trait ... ok
[INFO] [stdout] test test::test_GosperCombinationCellIter ... ok
[INFO] [stdout] test test::test_GosperCombinationIterator ... ok
[INFO] [stdout] test test::test_GosperCombinationIteratorAlike_reset ... ok
[INFO] [stdout] test test::test_GosperCombinationIteratorUnsafe ... ok
[INFO] [stdout] test test::test_HeapPermutation ... ok
[INFO] [stdout] test test::test_HeapPermutationCellIterIterator ... ok
[INFO] [stdout] test test::test_HeapPermutationIntoIterator ... ok
[INFO] [stdout] test test::test_HeapPermutationRefIterator ... ok
[INFO] [stdout] test test::test_HeapPermutation_reset ... ok
[INFO] [stdout] test test::test_KPermutationIterator ... ok
[INFO] [stdout] test test::test_KPermutationIteratorBound ... ok
[INFO] [stdout] test test::test_KPermutation_into_Cell ... ok
[INFO] [stdout] test test::test_KPermutation_into_Ref ... ok
[INFO] [stdout] test test::test_KPermutation_into_Ref_trait ... ok
[INFO] [stdout] test test::test_KPermutation_into_cell_trait ... ok
[INFO] [stdout] test test::test_KPermutation_single ... ok
[INFO] [stdout] test test::test_KPermutation_trait ... ok
[INFO] [stdout] test test::test_LargeCombinationIterator ... ok
[INFO] [stdout] test test::test_LargeCombinationIterator_single ... ok
[INFO] [stdout] test test::test_SelfCartesianProduct ... ok
[INFO] [stdout] test test::test_SelfCartesianProduct_cell ... ok
[INFO] [stdout] test test::test_SelfCartesianProduct_ref ... ok
[INFO] [stdout] test test::test_XPermutationIterator_mt ... ignored
[INFO] [stdout] test test::test_XPermutationCellIter ... ok
[INFO] [stdout] test test::test_XPermutationIterator ... ok
[INFO] [stdout] test test::test_XPermutationRefIter ... ok
[INFO] [stdout] test test::test_cartesian_product ... ok
[INFO] [stdout] test test::test_cartesian_product_shared_result_fn ... ok
[INFO] [stdout] test test::test_case_15 ... ok
[INFO] [stdout] test test::test_case_16 ... ok
[INFO] [stdout] test test::test_combination_cell_fn ... ok
[INFO] [stdout] test test::test_combination_fn ... ok
[INFO] [stdout] test test::test_combination_fn_bound ... ok
[INFO] [stdout] test test::test_combination_fn_single ... ok
[INFO] [stdout] test test::test_combination_trait ... ok
[INFO] [stdout] test test::test_combination_trait_ptr ... ok
[INFO] [stdout] test test::test_combination_trait_share ... ok
[INFO] [stdout] test test::test_get_cartesian_for ... ok
[INFO] [stdout] test test::test_get_permutation_for ... ok
[INFO] [stdout] test test::test_heap_permutation_6 ... ok
[INFO] [stdout] test test::test_k_permutation_fn ... ok
[INFO] [stdout] test test::test_k_permutation_k_1 ... ok
[INFO] [stdout] test test::test_k_permutation_primitive ... ok
[INFO] [stdout] test test::test_large_combination_cell_fn ... ok
[INFO] [stdout] test test::test_large_combination_fn_k_1 ... ok
[INFO] [stdout] test test::test_large_combination_fn_d_eq_k ... ok
[INFO] [stdout] test test::test_large_k_permutation ... ignored
[INFO] [stdout] test test::test_lex_family ... ignored
[INFO] [stdout] test test::test_large_combination_fn ... ok
[INFO] [stdout] test test::test_large_combination_sync_fn ... ok
[INFO] [stdout] test test::test_permutation_trait ... ok
[INFO] [stdout] test test::test_permutation_trait_cell ... ok
[INFO] [stdout] test test::test_self_cartesian_product_shared_result_fn ... ok
[INFO] [stdout] test test::test_self_cartesian_product ... ok
[INFO] [stdout] test test::test_permutation_trait_ref ... ok
[INFO] [stdout] test copy::test::test_shared_cartesian_product_result_sync_fn ... ok
[INFO] [stdout] test test::test_shared_KPermutation_result ... ok
[INFO] [stdout] test test::test_shared_combination_result_fn ... ok
[INFO] [stdout] test test::test_shared_combination_result_iterator_alike ... ok
[INFO] [stdout] test test::test_unsafe_cartesian_product ... ok
[INFO] [stdout] test test::test_share_result_CombinationIterator_with_thread_fn ... ok
[INFO] [stdout] test test::test_share_CartesianProductIterator_result_to_thread ... ok
[INFO] [stdout] test test::test_shared_CartesianProduct_result_sync ... ok
[INFO] [stdout] test test::test_unsafe_cartesian_product_shared_result ... ok
[INFO] [stdout] test test::test_x_permutation_cell ... ok
[INFO] [stdout] test test::test_x_permutation ... ok
[INFO] [stdout] test test::test_x_permutation_restricted ... ok
[INFO] [stdout] test test::test_x_permutation_sync ... ok
[INFO] [stdout] test test::test_unsafe_combination_fn ... ok
[INFO] [stdout] test test::test_unsafe_self_cartesian_product_shared_result ... ok
[INFO] [stdout] test test::test_shared_k_permutation_result_fn ... ok
[INFO] [stdout] test test::test_unsafe_shared_k_permutation_result_fn ... ok
[INFO] [stdout] test test::test_unsafe_shared_combination_result_fn ... ok
[INFO] [stdout] test test::test_unsafe_k_permutation ... ok
[INFO] [stdout] test test::test_unsafe_x_permutation ... ok
[INFO] [stdout] test test::test_share_result_KPermutation_iterator_sync ... ok
[INFO] [stdout] test test::test_shared_combination_result_sync_fn ... ok
[INFO] [stdout] test test::test_shared_cartesian_product_result_sync_fn ... ok
[INFO] [stdout] test test::test_tldr_case ... ok
[INFO] [stdout] test test::test_shared_k_permutation_sync_fn ... ok
[INFO] [stdout] test copy::test::test_share_result_CombinationIterator_with_thread_fn ... ok
[INFO] [stdout] test test::test_k_permutation_empty_dom - should panic ... ok
[INFO] [stdout] test test::test_large_combination_fn_k_0 - should panic ... ok
[INFO] [stdout] test test::test_self_cartesian_product_zero - should panic ... ok
[INFO] [stdout] test copy::test::test_shared_combination_result_sync_fn ... ok
[INFO] [stdout] test copy::test::test_heap_permutation_10 ... ok
[INFO] [stdout] test test::test_heap_permutation_10 ... ok
[INFO] [stdout] test copy::test::test_shared_k_permutation_sync_fn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 162 passed; 0 failed; 20 ignored; 0 measured; 0 filtered out; finished in 2.30s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests permutator
[INFO] [stdout] 
[INFO] [stdout] running 91 tests
[INFO] [stdout] test src/copy/mod.rs - copy::combination_sync (line 1220) ... FAILED
[INFO] [stdout] test src/copy/mod.rs - copy::k_permutation_sync (line 1810) ... FAILED
[INFO] [stdout] test src/copy/mod.rs - copy::self_cartesian_product_sync (line 857) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type rlib --crate-name permutator --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num=/opt/rustwide/target/debug/deps/libnum-862ca0d9b038296d.rlib --extern permutator=/opt/rustwide/target/debug/deps/libpermutator-55cd4bd0d7fa3a4f.rlib -C embed-bitcode=no --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3be725c4124906c4ab13a7311c483234ff51d7785d76b927a72c3344fc30b5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be725c4124906c4ab13a7311c483234ff51d7785d76b927a72c3344fc30b5e6", kill_on_drop: false }`
[INFO] [stdout] 3be725c4124906c4ab13a7311c483234ff51d7785d76b927a72c3344fc30b5e6