[INFO] updating cached repository https://github.com/davidpeklak/rust-algorithms [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9db2d5ac0cfbfe409792033d26d8f4c8aaa3e872 [INFO] testing davidpeklak/rust-algorithms against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpeklak%2Frust-algorithms" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidpeklak/rust-algorithms on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/davidpeklak/rust-algorithms [INFO] finished tweaking git repo https://github.com/davidpeklak/rust-algorithms [INFO] tweaked toml for git repo https://github.com/davidpeklak/rust-algorithms written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/davidpeklak/rust-algorithms already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 75de1c3ea1c6b5fc7ed6a826694d2b7bb974b14df26451d95c7bee9ec729a07a [INFO] running `"docker" "start" "-a" "75de1c3ea1c6b5fc7ed6a826694d2b7bb974b14df26451d95c7bee9ec729a07a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rand_core v0.2.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling rand v0.5.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:29:41 [INFO] [stderr] | [INFO] [stderr] 29 | fn tail<'a>(&'a self) -> Option<&'a LinkedList>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | l: &'a LinkedList [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:56:41 [INFO] [stderr] | [INFO] [stderr] 56 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:65:28 [INFO] [stderr] | [INFO] [stderr] 65 | impl LinkedList for Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:72:38 [INFO] [stderr] | [INFO] [stderr] 72 | fn tail<'a>(&'a self) -> Option<&LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:88:41 [INFO] [stderr] | [INFO] [stderr] 88 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib/red_black_bst_2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | mem::replace(&mut self.top, top); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.75s [INFO] running `"docker" "inspect" "75de1c3ea1c6b5fc7ed6a826694d2b7bb974b14df26451d95c7bee9ec729a07a"` [INFO] running `"docker" "rm" "-f" "75de1c3ea1c6b5fc7ed6a826694d2b7bb974b14df26451d95c7bee9ec729a07a"` [INFO] [stdout] 75de1c3ea1c6b5fc7ed6a826694d2b7bb974b14df26451d95c7bee9ec729a07a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fe020e609131adc6230852244f706fdc8c13ff66b7f6418aa96a05c6618c7dfc [INFO] running `"docker" "start" "-a" "fe020e609131adc6230852244f706fdc8c13ff66b7f6418aa96a05c6618c7dfc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:29:41 [INFO] [stderr] | [INFO] [stderr] 29 | fn tail<'a>(&'a self) -> Option<&'a LinkedList>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | l: &'a LinkedList [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:56:41 [INFO] [stderr] | [INFO] [stderr] 56 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:65:28 [INFO] [stderr] | [INFO] [stderr] 65 | impl LinkedList for Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:72:38 [INFO] [stderr] | [INFO] [stderr] 72 | fn tail<'a>(&'a self) -> Option<&LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:88:41 [INFO] [stderr] | [INFO] [stderr] 88 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib/red_black_bst_2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | mem::replace(&mut self.top, top); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:29:41 [INFO] [stderr] | [INFO] [stderr] 29 | fn tail<'a>(&'a self) -> Option<&'a LinkedList>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | l: &'a LinkedList [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:56:41 [INFO] [stderr] | [INFO] [stderr] 56 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:65:28 [INFO] [stderr] | [INFO] [stderr] 65 | impl LinkedList for Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:72:38 [INFO] [stderr] | [INFO] [stderr] 72 | fn tail<'a>(&'a self) -> Option<&LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:88:41 [INFO] [stderr] | [INFO] [stderr] 88 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:134:34 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_linked_list() -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:153:41 [INFO] [stderr] | [INFO] [stderr] 153 | fn prepend_some<'a, L>(l: L) -> Box + 'a> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList + 'a` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib/red_black_bst_2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | mem::replace(&mut self.top, top); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.24s [INFO] running `"docker" "inspect" "fe020e609131adc6230852244f706fdc8c13ff66b7f6418aa96a05c6618c7dfc"` [INFO] running `"docker" "rm" "-f" "fe020e609131adc6230852244f706fdc8c13ff66b7f6418aa96a05c6618c7dfc"` [INFO] [stdout] fe020e609131adc6230852244f706fdc8c13ff66b7f6418aa96a05c6618c7dfc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2027bb2bdb950f1a8fd13dc5665d6c858a227f837c94e10d93f11970a58d2dad [INFO] running `"docker" "start" "-a" "2027bb2bdb950f1a8fd13dc5665d6c858a227f837c94e10d93f11970a58d2dad"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:29:41 [INFO] [stderr] | [INFO] [stderr] 29 | fn tail<'a>(&'a self) -> Option<&'a LinkedList>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | l: &'a LinkedList [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:56:41 [INFO] [stderr] | [INFO] [stderr] 56 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:65:28 [INFO] [stderr] | [INFO] [stderr] 65 | impl LinkedList for Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:72:38 [INFO] [stderr] | [INFO] [stderr] 72 | fn tail<'a>(&'a self) -> Option<&LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:88:41 [INFO] [stderr] | [INFO] [stderr] 88 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:29:41 [INFO] [stderr] | [INFO] [stderr] 29 | fn tail<'a>(&'a self) -> Option<&'a LinkedList>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | l: &'a LinkedList [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:56:41 [INFO] [stderr] | [INFO] [stderr] 56 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:65:28 [INFO] [stderr] | [INFO] [stderr] 65 | impl LinkedList for Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:72:38 [INFO] [stderr] | [INFO] [stderr] 72 | fn tail<'a>(&'a self) -> Option<&LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:88:41 [INFO] [stderr] | [INFO] [stderr] 88 | fn tail<'a>(&'a self) -> Option<&'a LinkedList> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:134:34 [INFO] [stderr] | [INFO] [stderr] 134 | fn some_linked_list() -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/linked_list.rs:153:41 [INFO] [stderr] | [INFO] [stderr] 153 | fn prepend_some<'a, L>(l: L) -> Box + 'a> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LinkedList + 'a` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib/red_black_bst_2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | mem::replace(&mut self.top, top); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib/red_black_bst_2.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | mem::replace(&mut self.top, top); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 83 tests [INFO] [stdout] test deque::tests::box_to_non_null_to_box ... ok [INFO] [stdout] test deque::tests::add_first_and_query ... ok [INFO] [stdout] test deque::tests::filo_left ... ok [INFO] [stdout] test deque::tests::iter ... ok [INFO] [stdout] test deque::tests::sizes ... ok [INFO] [stdout] test graph::tests::test_number_of_edges ... ok [INFO] [stdout] test graph::tests::test_number_of_vertices ... ok [INFO] [stdout] test graph_alg::tests::test_depth_is_visted ... ok [INFO] [stdout] test insertion_sort::test::small_example ... ok [INFO] [stdout] test graph_alg::tests::test_depth_path_to ... ok [INFO] [stdout] test linked_list::tests::iter_loop ... ok [INFO] [stdout] test is_sorted::test_is_sorted ... ok [INFO] [stdout] test linked_list::tests::heap_construction ... ok [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/algorithms-67a5578466e36b8a [INFO] [stdout] test linked_list::tests::iter_stack ... ok [INFO] [stdout] test linked_list::tests::mixed_construction ... ok [INFO] [stdout] test linked_list::tests::stack_construction ... ok [INFO] [stdout] test max_pq::tests::test_del_max ... ok [INFO] [stdout] test deque::tests::filo_right ... ok [INFO] [stdout] test deque::tests::construct_deque_and_query ... ok [INFO] [stdout] test deque::tests::fifo_right ... ok [INFO] [stdout] test deque::tests::fifo_left ... ok [INFO] [stdout] test graph::tests::test_adj ... ok [INFO] [stdout] test index_ops::test::vec_length ... ok [INFO] [stdout] test merge_sort::test::merge_sort_is_sorted ... ok [INFO] [stdout] test graph_alg::tests::test_breadth_is_visted ... ok [INFO] [stdout] test max_pq::tests::test_is_binary_heap ... ok [INFO] [stdout] test max_pq::tests::test_heap_sort ... ok [INFO] [stdout] test merge_sort::test::merge_some ... ok [INFO] [stdout] test percolation::tests::percolate_1 ... ok [INFO] [stdout] test max_pq::tests::test_make_heap ... ok [INFO] [stdout] test max_pq::tests::test_insert ... ok [INFO] [stdout] test percolation::tests::percolate_3_z ... ok [INFO] [stdout] test quick_find::tests::test_3_c ... ok [INFO] [stdout] test graph_alg::tests::test_breadth_path_to ... ok [INFO] [stdout] test deque::tests::add_last_and_query ... ok [INFO] [stdout] test percolation::tests::open_once ... ok [INFO] [stdout] test max_pq::tests::test_manual_sinking ... ok [INFO] [stdout] test quick_union::tests::test_3_c ... ok [INFO] [stdout] test red_black_bst_2::tests::multiple_insertion_results_in_bst ... ok [INFO] [stdout] test percolation::tests::percolate_3_s ... ok [INFO] [stdout] test red_black_bst_2::tests::test_big_tree ... ok [INFO] [stdout] test red_black_bst_2::tests::test_black_depth ... ok [INFO] [stdout] test red_black_bst_2::tests::test_color_flip ... ok [INFO] [stdout] test red_black_bst_2::tests::test_contains ... ok [INFO] [stdout] test red_black_bst_2::tests::test_has_consecutive_red_links ... ok [INFO] [stdout] test red_black_bst_2::tests::test_has_right_leaning_red_links ... ok [INFO] [stdout] test red_black_bst_2::tests::test_insert_1 ... ok [INFO] [stdout] test red_black_bst_2::tests::test_insert_2 ... ok [INFO] [stdout] test red_black_bst_2::tests::test_insert_3 ... ok [INFO] [stdout] test red_black_bst_2::tests::test_into_iter ... ok [INFO] [stdout] test red_black_bst_2::tests::test_is_bst ... ok [INFO] [stdout] test red_black_bst_2::tests::test_iter ... ok [INFO] [stdout] test red_black_bst_2::tests::test_rotate_left ... ok [INFO] [stdout] test red_black_bst_2::tests::test_rotate_right ... ok [INFO] [stdout] test red_black_bst_2::tests::test_size ... ok [INFO] [stdout] test red_black_bst_2::tests::test_total_depth ... ok [INFO] [stdout] test quick_find::tests::test_3 ... ok [INFO] [stdout] test quick_sort::tests::partition_some ... ok [INFO] [stdout] test selection_sort::test::vec_swap ... ok [INFO] [stdout] test red_black_bst_2::tests::test_from_iter ... ok [INFO] [stdout] test shell_sort::test::handwritten ... ok [INFO] [stdout] test percolation::tests::open_twice ... ok [INFO] [stdout] test percolation::tests::new_percolation_is_full ... ok [INFO] [stdout] test quick_union::tests::test_3 ... ok [INFO] [stdout] test quick_sort::tests::test_quick_select ... ok [INFO] [stdout] test quick_sort::tests::three_way_quick_sort_some ... ok [INFO] [stdout] test merge_sort::test::merge_sort_some ... ok [INFO] [stdout] test step::test::index ... ok [INFO] [stdout] test quick_sort::tests::three_way_partition_some ... ok [INFO] [stdout] test step::test::index_mut ... ok [INFO] [stdout] test weighted_quick_union::tests::test_3 ... ok [INFO] [stdout] test weighted_quick_union::tests::test_3_c ... ok [INFO] [stdout] test step::test::len ... ok [INFO] [stdout] test shell_sort::test::small_example ... ok [INFO] [stdout] test quick_sort::tests::quick_sort_some ... ok [INFO] [stdout] test shell_sort::test::example_from_course ... ok [INFO] [stdout] test shell_sort::test::h_generation ... ok [INFO] [stdout] test insertion_sort::test::insertion_sort_some ... ok [INFO] [stdout] test step::test::len_offset ... ok [INFO] [stdout] test step::test::index_offset ... ok [INFO] [stdout] test shell_sort::test::sorted_step ... ok [INFO] [stdout] test selection_sort::test::selection_sort_some ... ok [INFO] [stdout] test shell_sort::test::shell_sort_some ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 83 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/algorithms-a3477bcbe57e8dd9 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/performance_deque-5bcdc9f2cf42dd55 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_performance ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/performance_heap_sort-ced27d458b70efe3 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_performance ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/performance_insertion_sort-46c5a645541638c8 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test test_performance ... ok [INFO] [stdout] test test_performance_partially_sorted ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/performance_max_pq-28fa6d7ae3133890 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_performance ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_performance stdout ---- [INFO] [stdout] Size: 1, elapsed milliseconds: 2 [INFO] [stdout] Size: 2, elapsed milliseconds: 3 [INFO] [stdout] Ratio: 1.5 [INFO] [stdout] Size: 4, elapsed milliseconds: 4 [INFO] [stdout] Ratio: 1.3333333333333333 [INFO] [stdout] Size: 8, elapsed milliseconds: 22 [INFO] [stdout] Ratio: 5.5 [INFO] [stdout] Factor binary heap insert, delete = 5.5 [INFO] [stdout] thread 'test_performance' panicked at 'assertion failed: factor < 2.0', tests/performance_max_pq.rs:35:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5570c41d9665 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5570c41d9665 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5570c41d9665 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5570c41d9665 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5570c42014cc - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5570c41600d5 - std::io::Write::write_fmt::h944a31ab04b0dfe4 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x5570c41d3ad1 - std::io::impls::>::write_fmt::h6bd94c41a9c566d2 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x5570c41dbe90 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x5570c41dbe90 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x5570c41dbe90 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5570c41dbb8a - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5570c41dc4c7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 12: 0x5570c41a02bb - std::panicking::begin_panic::h4922827dfa28c9a8 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410 [INFO] [stdout] 13: 0x5570c415e5d6 - performance_max_pq::test_performance::he102ff56ca650422 [INFO] [stdout] at tests/performance_max_pq.rs:35 [INFO] [stdout] 14: 0x5570c415e49a - performance_max_pq::test_performance::{{closure}}::ha74f45a94318d751 [INFO] [stdout] at tests/performance_max_pq.rs:30 [INFO] [stdout] 15: 0x5570c415ddee - core::ops::function::FnOnce::call_once::hb56985d40a2d0e2d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x5570c41874c2 - as core::ops::function::FnOnce>::call_once::hd23431bd7b767a0c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 17: 0x5570c41874c2 - as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x5570c41874c2 - std::panicking::try::do_call::haee67871ebe8ee92 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 19: 0x5570c41874c2 - std::panicking::try::hcba534043f17f42d [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x5570c41874c2 - std::panic::catch_unwind::h6908c2ae7517b434 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5570c41874c2 - test::run_test_in_process::h66277a63b8267865 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x5570c41874c2 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x5570c415f596 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x5570c4164b35 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x5570c4164b35 - as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x5570c4164b35 - std::panicking::try::do_call::h4b45bcf4d5d82a80 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297 [INFO] [stdout] 27: 0x5570c4164b35 - std::panicking::try::h297c0c407d3f8196 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x5570c4164b35 - std::panic::catch_unwind::h877baa9fbef2eafe [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x5570c4164b35 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x5570c4164b35 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x5570c41e281a - as core::ops::function::FnOnce>::call_once::hfc5c0e64036d1b09 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 32: 0x5570c41e281a - as core::ops::function::FnOnce>::call_once::hf3d73184efc070c1 [INFO] [stdout] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076 [INFO] [stdout] 33: 0x5570c41e281a - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7fdaafa12609 - start_thread [INFO] [stdout] 35: 0x7fdaaf91e103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_performance [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test performance_max_pq' [INFO] running `"docker" "inspect" "2027bb2bdb950f1a8fd13dc5665d6c858a227f837c94e10d93f11970a58d2dad"` [INFO] running `"docker" "rm" "-f" "2027bb2bdb950f1a8fd13dc5665d6c858a227f837c94e10d93f11970a58d2dad"` [INFO] [stdout] 2027bb2bdb950f1a8fd13dc5665d6c858a227f837c94e10d93f11970a58d2dad