[INFO] fetching crate rb_tree 0.4.1...
[INFO] testing rb_tree-0.4.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rb_tree 0.4.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rb_tree 0.4.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rb_tree 0.4.1
[INFO] finished tweaking crates.io crate rb_tree 0.4.1
[INFO] tweaked toml for crates.io crate rb_tree 0.4.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rb_tree 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d39eea2df3f7946a8149c4f5d00a3445e64014a5c3ad0526115a7a7a086dea8
[INFO] running `Command { std: "docker" "start" "-a" "7d39eea2df3f7946a8149c4f5d00a3445e64014a5c3ad0526115a7a7a086dea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d39eea2df3f7946a8149c4f5d00a3445e64014a5c3ad0526115a7a7a086dea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d39eea2df3f7946a8149c4f5d00a3445e64014a5c3ad0526115a7a7a086dea8", kill_on_drop: false }`
[INFO] [stdout] 7d39eea2df3f7946a8149c4f5d00a3445e64014a5c3ad0526115a7a7a086dea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121e6cd04c58b1be56460f8a3ff35d1e8190bf6ba285dfc06cfb4fd83ea3517d
[INFO] running `Command { std: "docker" "start" "-a" "121e6cd04c58b1be56460f8a3ff35d1e8190bf6ba285dfc06cfb4fd83ea3517d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb_tree v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "121e6cd04c58b1be56460f8a3ff35d1e8190bf6ba285dfc06cfb4fd83ea3517d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121e6cd04c58b1be56460f8a3ff35d1e8190bf6ba285dfc06cfb4fd83ea3517d", kill_on_drop: false }`
[INFO] [stdout] 121e6cd04c58b1be56460f8a3ff35d1e8190bf6ba285dfc06cfb4fd83ea3517d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17447ea2a8007122625329efd94d478fb1d0594c92941aa887cda9595f0ceb57
[INFO] running `Command { std: "docker" "start" "-a" "17447ea2a8007122625329efd94d478fb1d0594c92941aa887cda9595f0ceb57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling rb_tree v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 40.76s
[INFO] running `Command { std: "docker" "inspect" "17447ea2a8007122625329efd94d478fb1d0594c92941aa887cda9595f0ceb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17447ea2a8007122625329efd94d478fb1d0594c92941aa887cda9595f0ceb57", kill_on_drop: false }`
[INFO] [stdout] 17447ea2a8007122625329efd94d478fb1d0594c92941aa887cda9595f0ceb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d705812d442a7f9925407cbd6e1e4a1da7ad5cf03413d241ef7cf571b21ab272
[INFO] running `Command { std: "docker" "start" "-a" "d705812d442a7f9925407cbd6e1e4a1da7ad5cf03413d241ef7cf571b21ab272", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rb_tree-69dd9c918475bb76)
[INFO] [stdout] running 39 tests
[INFO] [stdout] test rbtree_tests::test_black_leaf_removal ... ok
[INFO] [stdout] test rbtree_tests::test_get ... ok
[INFO] [stdout] test rbtree_tests::test_gets_correct_descendant ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case1_right ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case1_left ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case3_at_root ... ok
[INFO] [stdout] test rbtree_tests::test_contains_and_is_empty ... ok
[INFO] [stdout] test rbtree_tests::test_add_existing ... ok
[INFO] [stdout] test rbtree_tests::test_extend ... ok
[INFO] [stdout] test rbtree_tests::test_complicated_example ... ok
[INFO] [stdout] test rbtree_tests::test_difference ... ok
[INFO] [stdout] test rbtree_tests::test_complex_insertion ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case2_right ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case2_left ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_transfer_children ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case3_red_parent ... ok
[INFO] [stdout] test rbtree_tests::test_removal_notfound ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case3_not_root ... ok
[INFO] [stdout] test rbtree_tests::test_intersection ... ok
[INFO] [stdout] test rbtree_tests::test_removal_empty ... ok
[INFO] [stdout] test rbtree_tests::test_removal_simple_case ... ok
[INFO] [stdout] test rbtree_tests::test_symmetric_difference ... ok
[INFO] [stdout] test rbtree_tests::test_peek ... ok
[INFO] [stdout] test rbtree_tests::test_iterator ... ok
[INFO] [stdout] test rbtree_tests::test_pop ... ok
[INFO] [stdout] test rbtree_tests::test_ordered ... ok
[INFO] [stdout] test rbtree_tests::test_peek_back ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case2_inner ... ok
[INFO] [stdout] test rbtree_tests::test_remove_accumulative_changes ... ok
[INFO] [stdout] test rbtree_tests::test_remove_immediate_right_double_black ... ok
[INFO] [stdout] test rbtree_tests::test_removeal_case4 ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case2_outer ... ok
[INFO] [stdout] test rbtree_tests::test_pop_back ... ok
[INFO] [stdout] test rbtree_tests::test_union ... ok
[INFO] [stdout] test rbtree_tests::test_removal_no_double_black ... ok
[INFO] [stdout] test rbtree_tests::test_print ... ok
[INFO] [stdout] test rbtree_tests::test_remove_only_value ... ok
[INFO] [stdout] test rbtree_tests::test_remove_root ... ok
[INFO] [stderr]    Doc-tests rb_tree
[INFO] [stdout] test stress_test::test_complex_tree_use ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.51s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 86 tests
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get (line 149) ... ok
[INFO] [stdout] test src/lib.rs - new_set (line 60) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::entry (line 627) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::clear (line 90) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::into_keyset (line 69) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::new (line 33) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get_pair_mut (line 186) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::contains_key (line 108) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::into_sets (line 675) ... ok
[INFO] [stdout] test src/lib.rs - new_map (line 180) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::peek_pair (line 266) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::pop_back (line 414) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::pop (line 393) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::keyset (line 47) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::drain (line 127) ... ok
[INFO] [stdout] test src/lib.rs - new_c_queue (line 138) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::peek_back (line 245) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::len (line 340) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::is_empty (line 325) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get_mut (line 205) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::insert (line 308) ... ok
[INFO] [stdout] test src/lib.rs - new_queue (line 101) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::IntoIter<K, V> (line 742) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::iter (line 503) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::pop_pair (line 435) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::peek (line 224) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::contains (line 225) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::iter_mut (line 528) ... ok
[INFO] [stdout] test src/lib.rs - new_c_queue (line 124) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::into_valueset (line 702) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get_pair (line 166) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::pop_pair_back (line 456) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::keys (line 603) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::peek_pair_back (line 287) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::insert (line 183) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::remove_entry (line 378) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::get (line 240) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::valueset (line 650) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::values (line 553) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::remove (line 360) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::is_empty (line 167) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::iter (line 385) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::peek (line 329) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::drain (line 104) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::peek_back (line 369) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::clear (line 94) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::new (line 50) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::clear (line 86) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::IntoIter<T> (line 473) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::pop (line 306) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::IntoIter<T> (line 639) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::get (line 246) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::drain (line 112) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::ordered (line 130) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::remove (line 282) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::values_mut (line 578) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::len (line 149) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::take (line 259) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::difference (line 415) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::contains (line 231) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::pop_back (line 346) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::retain (line 477) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::retain (line 404) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::intersection (line 478) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::len (line 155) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::replace (line 205) ... ok
[INFO] [stdout] test src/rbqueue.rs - rbqueue::RBQueue<T, P>::into_set (line 432) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::peek (line 336) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::iter (line 392) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::into_queue (line 58) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::union (line 505) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_superset (line 571) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::peek_back (line 376) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::pop (line 313) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::pop_back (line 353) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_subset (line 551) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::retain (line 590) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_empty (line 173) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_disjoint (line 532) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::insert (line 189) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::new (line 40) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::remove (line 289) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::ordered (line 136) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::replace (line 211) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::take (line 266) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::symmetric_difference (line 447) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 86 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d705812d442a7f9925407cbd6e1e4a1da7ad5cf03413d241ef7cf571b21ab272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d705812d442a7f9925407cbd6e1e4a1da7ad5cf03413d241ef7cf571b21ab272", kill_on_drop: false }`
[INFO] [stdout] d705812d442a7f9925407cbd6e1e4a1da7ad5cf03413d241ef7cf571b21ab272
