[INFO] fetching crate rb_tree 0.2.0...
[INFO] testing rb_tree-0.2.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate rb_tree 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rb_tree 0.2.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rb_tree 0.2.0
[INFO] finished tweaking crates.io crate rb_tree 0.2.0
[INFO] tweaked toml for crates.io crate rb_tree 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b5b64eb33879adcb10ce51eabf51df25591afd7b69c52b132f32f2b61e46a0
[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" "16b5b64eb33879adcb10ce51eabf51df25591afd7b69c52b132f32f2b61e46a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b5b64eb33879adcb10ce51eabf51df25591afd7b69c52b132f32f2b61e46a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b5b64eb33879adcb10ce51eabf51df25591afd7b69c52b132f32f2b61e46a0", kill_on_drop: false }`
[INFO] [stdout] 16b5b64eb33879adcb10ce51eabf51df25591afd7b69c52b132f32f2b61e46a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 62ea2781fc8070921385056af26bfc9832943db3fc0c85c0610e9913e166c6f3
[INFO] running `Command { std: "docker" "start" "-a" "62ea2781fc8070921385056af26bfc9832943db3fc0c85c0610e9913e166c6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:678:13
[INFO] [stdout]     |
[INFO] [stdout] 678 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:715:13
[INFO] [stdout]     |
[INFO] [stdout] 715 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:763:13
[INFO] [stdout]     |
[INFO] [stdout] 763 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "62ea2781fc8070921385056af26bfc9832943db3fc0c85c0610e9913e166c6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ea2781fc8070921385056af26bfc9832943db3fc0c85c0610e9913e166c6f3", kill_on_drop: false }`
[INFO] [stdout] 62ea2781fc8070921385056af26bfc9832943db3fc0c85c0610e9913e166c6f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5db6a2e23e68b8317a0ae7cdd17b618dec58b3e240bd65111d10ca763ab042e
[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" "e5db6a2e23e68b8317a0ae7cdd17b618dec58b3e240bd65111d10ca763ab042e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb_tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:678:13
[INFO] [stdout]     |
[INFO] [stdout] 678 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:715:13
[INFO] [stdout]     |
[INFO] [stdout] 715 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:763:13
[INFO] [stdout]     |
[INFO] [stdout] 763 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:678:13
[INFO] [stdout]     |
[INFO] [stdout] 678 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:715:13
[INFO] [stdout]     |
[INFO] [stdout] 715 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:763:13
[INFO] [stdout]     |
[INFO] [stdout] 763 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/rbtree.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |             'right: while let Some(vr) = self.nextr {
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "e5db6a2e23e68b8317a0ae7cdd17b618dec58b3e240bd65111d10ca763ab042e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5db6a2e23e68b8317a0ae7cdd17b618dec58b3e240bd65111d10ca763ab042e", kill_on_drop: false }`
[INFO] [stdout] e5db6a2e23e68b8317a0ae7cdd17b618dec58b3e240bd65111d10ca763ab042e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] eaa15fd13e226212afcba495ea07dc34ce701f9fa3e6a4a474331c7f99044f63
[INFO] running `Command { std: "docker" "start" "-a" "eaa15fd13e226212afcba495ea07dc34ce701f9fa3e6a4a474331c7f99044f63", kill_on_drop: false }`
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:678:13
[INFO] [stderr]     |
[INFO] [stderr] 678 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:715:13
[INFO] [stderr]     |
[INFO] [stderr] 715 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:763:13
[INFO] [stderr]     |
[INFO] [stderr] 763 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:801:13
[INFO] [stderr]     |
[INFO] [stderr] 801 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:678:13
[INFO] [stderr]     |
[INFO] [stderr] 678 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:715:13
[INFO] [stderr]     |
[INFO] [stderr] 715 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:763:13
[INFO] [stderr]     |
[INFO] [stderr] 763 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/rbtree.rs:801:13
[INFO] [stderr]     |
[INFO] [stderr] 801 |             'right: while let Some(vr) = self.nextr {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rb_tree-cd7aa33a220c61e8
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test rbtree_tests::test_get ... ok
[INFO] [stdout] test rbtree_tests::test_contains_and_is_empty ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case3_not_root ... ok
[INFO] [stdout] test rbtree_tests::test_peek ... ok
[INFO] [stdout] test rbtree_tests::test_intersection ... ok
[INFO] [stdout] test rbtree_tests::test_ordered ... ok
[INFO] [stdout] test rbtree_tests::test_difference ... ok
[INFO] [stdout] test rbtree_tests::test_pop_back ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case2_left ... ok
[INFO] [stdout] test rbtree_tests::test_complex_insertion ... ok
[INFO] [stdout] test rbtree_tests::test_peek_back ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case3_red_parent ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case3_at_root ... ok
[INFO] [stdout] test rbtree_tests::test_pop ... ok
[INFO] [stdout] test rbtree_tests::test_print ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case1_left ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case1_right ... ok
[INFO] [stdout] test rbtree_tests::test_black_leaf_removal ... ok
[INFO] [stdout] test rbtree_tests::test_add_existing ... ok
[INFO] [stdout] test rbtree_tests::test_gets_correct_descendant ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_transfer_children ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case2_right ... ok
[INFO] [stdout] test rbtree_tests::test_remove_accumulative_changes ... ok
[INFO] [stdout] test rbtree_tests::test_removeal_case4 ... ok
[INFO] [stdout] test rbtree_tests::test_removal_no_double_black ... ok
[INFO] [stdout] test rbtree_tests::test_removal_notfound ... ok
[INFO] [stdout] test rbtree_tests::test_removal_empty ... ok
[INFO] [stdout] test rbtree_tests::test_remove_only_value ... ok
[INFO] [stdout] test rbtree_tests::test_symmetric_difference ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case2_inner ... ok
[INFO] [stdout] test rbtree_tests::test_union ... ok
[INFO] [stdout] test rbtree_tests::test_removal_simple_case ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case2_outer ... ok
[INFO] [stdout] test rbtree_tests::test_remove_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rb_tree
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::contains_key (line 44) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::entry (line 422) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::clear (line 26) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get_pair (line 109) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::insert (line 176) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::len (line 211) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get_mut (line 154) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::is_empty (line 196) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::drain (line 65) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get_pair_mut (line 132) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::get (line 87) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::iter_mut (line 323) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::iter (line 298) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::keys (line 398) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::remove (line 231) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::remove_entry (line 252) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::new (line 11) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::clear (line 48) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::get (line 204) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::values (line 348) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::drain (line 66) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::retain (line 272) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::contains (line 189) ... ok
[INFO] [stdout] test src/rbmap.rs - rbmap::RBMap<K, V>::values_mut (line 373) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::difference (line 374) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_disjoint (line 503) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::insert (line 147) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::intersection (line 443) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_empty (line 127) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::len (line 109) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::peek (line 297) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_superset (line 542) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::peek_back (line 337) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::new (line 34) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::is_subset (line 522) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::iter (line 353) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::ordered (line 90) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::pop_back (line 314) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::pop (line 274) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::remove (line 250) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::replace (line 169) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::retain (line 561) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::union (line 473) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::take (line 227) ... ok
[INFO] [stdout] test src/rbtree.rs - rbtree::RBTree<T>::symmetric_difference (line 409) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 45 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eaa15fd13e226212afcba495ea07dc34ce701f9fa3e6a4a474331c7f99044f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa15fd13e226212afcba495ea07dc34ce701f9fa3e6a4a474331c7f99044f63", kill_on_drop: false }`
[INFO] [stdout] eaa15fd13e226212afcba495ea07dc34ce701f9fa3e6a4a474331c7f99044f63