[INFO] cloning repository https://github.com/davidpeklak/rust-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidpeklak/rust-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpeklak%2Frust-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpeklak%2Frust-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9db2d5ac0cfbfe409792033d26d8f4c8aaa3e872
[INFO] testing davidpeklak/rust-algorithms against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidpeklak%2Frust-algorithms" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidpeklak/rust-algorithms on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davidpeklak/rust-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4576ba3e28fb1ca779293074a6abd53234f24c7be0756173c69e2cab4b09b5a5
[INFO] running `Command { std: "docker" "start" "-a" "4576ba3e28fb1ca779293074a6abd53234f24c7be0756173c69e2cab4b09b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4576ba3e28fb1ca779293074a6abd53234f24c7be0756173c69e2cab4b09b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4576ba3e28fb1ca779293074a6abd53234f24c7be0756173c69e2cab4b09b5a5", kill_on_drop: false }`
[INFO] [stdout] 4576ba3e28fb1ca779293074a6abd53234f24c7be0756173c69e2cab4b09b5a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f16c62346b53eb82a9b08b907a8af8c78018cf698a0148990efcacc99ebdcd
[INFO] running `Command { std: "docker" "start" "-a" "33f16c62346b53eb82a9b08b907a8af8c78018cf698a0148990efcacc99ebdcd", kill_on_drop: false }`
[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 rand_core v0.2.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     l: &'a LinkedList<Item=T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     l: &'a dyn LinkedList<Item=T>
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> LinkedList for Box<LinkedList<Item=T>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> LinkedList for Box<dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=Self::Item>>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=Self::Item>>;
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=T>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn tail<'a>(&'a self) -> Option<&LinkedList<Item=T>> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn tail<'a>(&'a self) -> Option<&dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:88:41
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=T>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lib/red_black_bst_2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mem::replace(&mut self.top, top);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = mem::replace(&mut self.top, top);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "33f16c62346b53eb82a9b08b907a8af8c78018cf698a0148990efcacc99ebdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f16c62346b53eb82a9b08b907a8af8c78018cf698a0148990efcacc99ebdcd", kill_on_drop: false }`
[INFO] [stdout] 33f16c62346b53eb82a9b08b907a8af8c78018cf698a0148990efcacc99ebdcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaada279c033458040ec2472734639c1cdc1d2a6a321ee8bcb1b51d2202e3445
[INFO] running `Command { std: "docker" "start" "-a" "aaada279c033458040ec2472734639c1cdc1d2a6a321ee8bcb1b51d2202e3445", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     l: &'a LinkedList<Item=T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     l: &'a dyn LinkedList<Item=T>
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> LinkedList for Box<LinkedList<Item=T>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> LinkedList for Box<dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=Self::Item>>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=Self::Item>>;
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=T>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn tail<'a>(&'a self) -> Option<&LinkedList<Item=T>> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn tail<'a>(&'a self) -> Option<&dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:88:41
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=T>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lib/red_black_bst_2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mem::replace(&mut self.top, top);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = mem::replace(&mut self.top, top);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     l: &'a LinkedList<Item=T>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     l: &'a dyn LinkedList<Item=T>
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> LinkedList for Box<LinkedList<Item=T>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> LinkedList for Box<dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:29:41
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=Self::Item>>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=Self::Item>>;
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=T>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn tail<'a>(&'a self) -> Option<&LinkedList<Item=T>> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn tail<'a>(&'a self) -> Option<&dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib/linked_list.rs:88:41
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tail<'a>(&'a self) -> Option<&'a LinkedList<Item=T>> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/linked_list.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn some_linked_list() -> Box<LinkedList<Item=i32>> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn some_linked_list() -> Box<dyn LinkedList<Item=i32>> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib/linked_list.rs:153:41
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn prepend_some<'a, L>(l: L) -> Box<LinkedList<Item=i32> + 'a>
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn prepend_some<'a, L>(l: L) -> Box<dyn LinkedList<Item=i32> + 'a>
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lib/red_black_bst_2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mem::replace(&mut self.top, top);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = mem::replace(&mut self.top, top);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aaada279c033458040ec2472734639c1cdc1d2a6a321ee8bcb1b51d2202e3445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaada279c033458040ec2472734639c1cdc1d2a6a321ee8bcb1b51d2202e3445", kill_on_drop: false }`
[INFO] [stdout] aaada279c033458040ec2472734639c1cdc1d2a6a321ee8bcb1b51d2202e3445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d136a09455429bdcb0fc0c6cf4f86b2a74d3ec8f795247a68676ad4f86df9e9e
[INFO] running `Command { std: "docker" "start" "-a" "d136a09455429bdcb0fc0c6cf4f86b2a74d3ec8f795247a68676ad4f86df9e9e", kill_on_drop: false }`
[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<Item=T>
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 36 |     l: &'a dyn LinkedList<Item=T>
[INFO] [stderr]    |            +++
[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<T> LinkedList for Box<LinkedList<Item=T>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 65 | impl<T> LinkedList for Box<dyn LinkedList<Item=T>> {
[INFO] [stderr]    |                            +++
[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<Item=Self::Item>>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=Self::Item>>;
[INFO] [stderr]    |                                         +++
[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<Item=T>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stderr]    |                                         +++
[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<Item=T>> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn tail<'a>(&'a self) -> Option<&dyn LinkedList<Item=T>> {
[INFO] [stderr]    |                                      +++
[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<Item=T>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn tail<'a>(&'a self) -> Option<&'a dyn LinkedList<Item=T>> {
[INFO] [stderr]    |                                         +++
[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: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let _ = mem::replace(&mut self.top, top);
[INFO] [stderr]    |         +++++++
[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<LinkedList<Item=i32>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn some_linked_list() -> Box<dyn LinkedList<Item=i32>> {
[INFO] [stderr]     |                                  +++
[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<LinkedList<Item=i32> + 'a>
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn prepend_some<'a, L>(l: L) -> Box<dyn LinkedList<Item=i32> + 'a>
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `algorithms` (lib) generated 7 warnings (run `cargo fix --lib -p algorithms` to apply 6 suggestions)
[INFO] [stderr] warning: `algorithms` (lib test) generated 9 warnings (7 duplicates) (run `cargo fix --lib -p algorithms --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/algorithms-dd2e11b113ca476a)
[INFO] [stdout] 
[INFO] [stdout] running 83 tests
[INFO] [stdout] test deque::tests::add_first_and_query ... ok
[INFO] [stdout] test deque::tests::add_last_and_query ... ok
[INFO] [stdout] test deque::tests::box_to_non_null_to_box ... ok
[INFO] [stdout] test deque::tests::construct_deque_and_query ... ok
[INFO] [stdout] test deque::tests::fifo_left ... ok
[INFO] [stdout] test deque::tests::filo_left ... ok
[INFO] [stdout] test deque::tests::fifo_right ... ok
[INFO] [stdout] test deque::tests::filo_right ... ok
[INFO] [stdout] test deque::tests::iter ... ok
[INFO] [stdout] test graph::tests::test_adj ... 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_breadth_is_visted ... ok
[INFO] [stdout] test graph_alg::tests::test_breadth_path_to ... ok
[INFO] [stdout] test graph_alg::tests::test_depth_is_visted ... ok
[INFO] [stdout] test graph_alg::tests::test_depth_path_to ... ok
[INFO] [stdout] test insertion_sort::test::small_example ... ok
[INFO] [stdout] test is_sorted::test_is_sorted ... ok
[INFO] [stdout] test index_ops::test::vec_length ... ok
[INFO] [stdout] test linked_list::tests::iter_stack ... ok
[INFO] [stdout] test linked_list::tests::stack_construction ... ok
[INFO] [stdout] test linked_list::tests::iter_loop ... ok
[INFO] [stdout] test max_pq::tests::test_del_max ... ok
[INFO] [stdout] test max_pq::tests::test_insert ... ok
[INFO] [stdout] test linked_list::tests::heap_construction ... ok
[INFO] [stdout] test max_pq::tests::test_make_heap ... ok
[INFO] [stdout] test linked_list::tests::mixed_construction ... ok
[INFO] [stdout] test merge_sort::test::merge_some ... ok
[INFO] [stdout] test max_pq::tests::test_heap_sort ... ok
[INFO] [stdout] test merge_sort::test::merge_sort_is_sorted ... ok
[INFO] [stdout] test max_pq::tests::test_manual_sinking ... ok
[INFO] [stdout] test max_pq::tests::test_is_binary_heap ... ok
[INFO] [stdout] test percolation::tests::open_once ... ok
[INFO] [stdout] test percolation::tests::open_twice ... ok
[INFO] [stdout] test percolation::tests::new_percolation_is_full ... ok
[INFO] [stdout] test percolation::tests::percolate_3_s ... ok
[INFO] [stdout] test percolation::tests::percolate_3_z ... ok
[INFO] [stdout] test quick_find::tests::test_3_c ... ok
[INFO] [stdout] test quick_find::tests::test_3 ... ok
[INFO] [stdout] test quick_sort::tests::three_way_partition_some ... ok
[INFO] [stdout] test percolation::tests::percolate_1 ... ok
[INFO] [stdout] test quick_union::tests::test_3 ... ok
[INFO] [stdout] test quick_sort::tests::partition_some ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_color_flip ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_from_iter ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_insert_1 ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_contains ... ok
[INFO] [stdout] test quick_sort::tests::test_quick_select ... 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_has_right_leaning_red_links ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_iter ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_is_bst ... ok
[INFO] [stdout] test quick_union::tests::test_3_c ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_has_consecutive_red_links ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_black_depth ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_rotate_left ... ok
[INFO] [stdout] test red_black_bst_2::tests::multiple_insertion_results_in_bst ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_rotate_right ... ok
[INFO] [stdout] test shell_sort::test::example_from_course ... ok
[INFO] [stdout] test shell_sort::test::sorted_step ... ok
[INFO] [stdout] test step::test::index ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_size ... ok
[INFO] [stdout] test shell_sort::test::h_generation ... ok
[INFO] [stdout] test shell_sort::test::handwritten ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_big_tree ... ok
[INFO] [stdout] test step::test::index_mut ... ok
[INFO] [stdout] test step::test::index_offset ... ok
[INFO] [stdout] test red_black_bst_2::tests::test_total_depth ... ok
[INFO] [stdout] test shell_sort::test::small_example ... ok
[INFO] [stdout] test selection_sort::test::vec_swap ... ok
[INFO] [stdout] test step::test::len ... ok
[INFO] [stdout] test step::test::len_offset ... ok
[INFO] [stdout] test weighted_quick_union::tests::test_3_c ... ok
[INFO] [stdout] test weighted_quick_union::tests::test_3 ... ok
[INFO] [stdout] test merge_sort::test::merge_sort_some ... ok
[INFO] [stdout] test insertion_sort::test::insertion_sort_some ... ok
[INFO] [stdout] test selection_sort::test::selection_sort_some ... ok
[INFO] [stdout] thread 'quick_sort::tests::three_way_quick_sort_some' panicked at 'misaligned pointer dereference: address must be a multiple of 0x8 but is 0x7f7bb8000d74', /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand_core-0.2.0/src/block.rs:194:26
[INFO] [stderr] thread 'quick_sort::tests::three_way_quick_sort_some' panicked at 'panic in a function that cannot unwind', library/core/src/panicking.rs:126:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562b968e783a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x562b968e783a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562b968e783a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x562b968e783a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x562b9690b4cf - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x562b968e4b75 - std::io::Write::write_fmt::hd24bfb68a1b35a25
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x562b968e7605 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x562b968e7605 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x562b968e92be - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x562b968e8ff1 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:285:9
[INFO] [stdout]   10:     0x562b96892c4b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   11:     0x562b96892c4b - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stderr] stack backtrace:
[INFO] [stdout]   12:     0x562b968e99a4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stderr]    0:     0x562b968e783a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]   13:     0x562b968e99a4 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stderr]    1:     0x562b968e783a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]   14:     0x562b968e9719 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stderr]    2:     0x562b968e783a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]   15:     0x562b968e7ca6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stderr]    3:     0x562b968e783a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]   16:     0x562b968e9472 - rust_begin_unwind
[INFO] [stderr]    4:     0x562b9690b4cf - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]   17:     0x562b96825ba3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stderr]    5:     0x562b968e4a75 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]   18:     0x562b96825e0b - core::panicking::panic_misaligned_pointer_dereference::had7d9e6c3d35fc47
[INFO] [stderr]    6:     0x562b968e7605 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:174:5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]   19:     0x562b9684438c - <rand_core::block::BlockRng<R> as rand_core::RngCore>::next_u64::{{closure}}::h762765a62b017a82
[INFO] [stderr]    7:     0x562b968e7605 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand_core-0.2.0/src/block.rs:194:26
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]   20:     0x562b968334a2 - <rand_core::block::BlockRng<R> as rand_core::RngCore>::next_u64::he2571c69eda47ee6
[INFO] [stderr]    8:     0x562b968e92be - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand_core-0.2.0/src/block.rs:208:13
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]   21:     0x562b968334a2 - <rand::rngs::adapter::reseeding::ReseedingRng<R,Rsdr> as rand_core::RngCore>::next_u64::h6640997d46cf527c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/rngs/adapter/reseeding.rs:96:9
[INFO] [stdout]   22:     0x562b968334a2 - <rand::rngs::thread::ThreadRng as rand_core::RngCore>::next_u64::h3c39776112790432
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/rngs/thread.rs:112:18
[INFO] [stdout]   23:     0x562b968334a2 - rand::distributions::integer::<impl rand::distributions::Distribution<usize> for rand::distributions::Standard>::sample::h1c2aa3f8c4ae40f1
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/distributions/integer.rs:65:9
[INFO] [stdout]   24:     0x562b96852fd4 - rand::Rng::gen::h053b7f14f5b1d695
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/lib.rs:377:9
[INFO] [stdout]   25:     0x562b96850993 - <rand::distributions::uniform::UniformInt<usize> as rand::distributions::uniform::UniformSampler>::sample_single::hbdbf211f08c097a2
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/distributions/uniform.rs:386:39
[INFO] [stdout]   26:     0x562b96853060 - rand::Rng::gen_range::he9dcc2d5c6fde6e6
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/lib.rs:410:9
[INFO] [stdout]   27:     0x562b9684f078 - algorithms::knuth_shuffle::knuth_shuffle::h805820ae2f3aea1a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/knuth_shuffle.rs:11:28
[INFO] [stdout]   28:     0x562b9684f218 - algorithms::quick_sort::three_way_quick_sort::h53b9500112576b89
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:29:5
[INFO] [stdout]   29:     0x562b968323e9 - algorithms::quick_sort::tests::three_way_quick_sort_some::da_sort::heaf4895e752a9441
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:339:13
[INFO] [stdout]   30:     0x562b968456e2 - algorithms::is_sorted::sort_some::h56dbaf28b7949c97
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/is_sorted.rs:29:9
[INFO] [stdout]   31:     0x562b96832370 - algorithms::quick_sort::tests::three_way_quick_sort_some::he268f04a5ee8c549
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:341:9
[INFO] [stdout]   32:     0x562b96832337 - algorithms::quick_sort::tests::three_way_quick_sort_some::{{closure}}::h4e51438b9f1ba26b
[INFO] [stderr]    9:     0x562b968e9065 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:334:36
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stdout]   33:     0x562b96851c05 - core::ops::function::FnOnce::call_once::ha64e87817bb6eaa5
[INFO] [stderr]   10:     0x562b96892c4b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h87fe9f7b2fd49e4c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   34:     0x562b96897b1f - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stderr]   11:     0x562b96892c4b - test::test_main::{{closure}}::he94d679243a7531b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:134:21
[INFO] [stdout]   35:     0x562b96897b1f - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stderr]   12:     0x562b968e99a4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f2d6d8b14c4769f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stdout]   36:     0x562b9686530c - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stdout]   37:     0x562b9686530c - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   38:     0x562b96896bf6 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   39:     0x562b96896bf6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   40:     0x562b96896bf6 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stderr]   13:     0x562b968e99a4 - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:695:13
[INFO] [stdout]   41:     0x562b96896bf6 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stderr]   14:     0x562b968e96d2 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:580:13
[INFO] [stdout]   42:     0x562b96896bf6 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stderr]   15:     0x562b968e7ca6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   43:     0x562b96896bf6 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stderr]   16:     0x562b968e9472 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   44:     0x562b96896bf6 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stdout]   45:     0x562b9685fb15 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stdout]   46:     0x562b9685fb15 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   47:     0x562b96865051 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stdout]   48:     0x562b96865051 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   49:     0x562b96865051 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   50:     0x562b96865051 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   51:     0x562b96865051 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   52:     0x562b96865051 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stdout]   53:     0x562b96865051 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   54:     0x562b968ede85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   55:     0x562b968ede85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stdout]   56:     0x562b968ede85 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   57:     0x7f7bd57aeb43 - <unknown>
[INFO] [stdout]   58:     0x7f7bd583fbb4 - __clone
[INFO] [stdout]   59:                0x0 - <unknown>
[INFO] [stderr]   17:     0x562b96825be3 - core::panicking::panic_nounwind_fmt::h4230e26f622d4e40
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:96:14
[INFO] [stderr]   18:     0x562b96825c91 - core::panicking::panic_nounwind::h537ae7b3cc65361d
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:126:5
[INFO] [stderr]   19:     0x562b96825e23 - core::panicking::panic_cannot_unwind::hdf0c9c3914f5e396
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:188:5
[INFO] [stderr]   20:     0x562b96844397 - <rand_core::block::BlockRng<R> as rand_core::RngCore>::next_u64::{{closure}}::h762765a62b017a82
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand_core-0.2.0/src/block.rs:191:24
[INFO] [stderr]   21:     0x562b968334a2 - <rand_core::block::BlockRng<R> as rand_core::RngCore>::next_u64::he2571c69eda47ee6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand_core-0.2.0/src/block.rs:208:13
[INFO] [stderr]   22:     0x562b968334a2 - <rand::rngs::adapter::reseeding::ReseedingRng<R,Rsdr> as rand_core::RngCore>::next_u64::h6640997d46cf527c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/rngs/adapter/reseeding.rs:96:9
[INFO] [stderr]   23:     0x562b968334a2 - <rand::rngs::thread::ThreadRng as rand_core::RngCore>::next_u64::h3c39776112790432
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/rngs/thread.rs:112:18
[INFO] [stderr]   24:     0x562b968334a2 - rand::distributions::integer::<impl rand::distributions::Distribution<usize> for rand::distributions::Standard>::sample::h1c2aa3f8c4ae40f1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/distributions/integer.rs:65:9
[INFO] [stderr]   25:     0x562b96852fd4 - rand::Rng::gen::h053b7f14f5b1d695
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/lib.rs:377:9
[INFO] [stderr]   26:     0x562b96850993 - <rand::distributions::uniform::UniformInt<usize> as rand::distributions::uniform::UniformSampler>::sample_single::hbdbf211f08c097a2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/distributions/uniform.rs:386:39
[INFO] [stderr]   27:     0x562b96853060 - rand::Rng::gen_range::he9dcc2d5c6fde6e6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.5.0/src/lib.rs:410:9
[INFO] [stderr]   28:     0x562b9684f078 - algorithms::knuth_shuffle::knuth_shuffle::h805820ae2f3aea1a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib/knuth_shuffle.rs:11:28
[INFO] [stderr]   29:     0x562b9684f218 - algorithms::quick_sort::three_way_quick_sort::h53b9500112576b89
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:29:5
[INFO] [stderr]   30:     0x562b968323e9 - algorithms::quick_sort::tests::three_way_quick_sort_some::da_sort::heaf4895e752a9441
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:339:13
[INFO] [stderr]   31:     0x562b968456e2 - algorithms::is_sorted::sort_some::h56dbaf28b7949c97
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib/is_sorted.rs:29:9
[INFO] [stderr]   32:     0x562b96832370 - algorithms::quick_sort::tests::three_way_quick_sort_some::he268f04a5ee8c549
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:341:9
[INFO] [stderr]   33:     0x562b96832337 - algorithms::quick_sort::tests::three_way_quick_sort_some::{{closure}}::h4e51438b9f1ba26b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib/quick_sort.rs:334:36
[INFO] [stderr]   34:     0x562b96851c05 - core::ops::function::FnOnce::call_once::ha64e87817bb6eaa5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   35:     0x562b96897b1f - core::ops::function::FnOnce::call_once::ha6a70e79f7481a7e
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   36:     0x562b96897b1f - test::__rust_begin_short_backtrace::hce33033019b61e69
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:655:18
[INFO] [stderr]   37:     0x562b9686530c - test::run_test::{{closure}}::h858d3528838ae3e5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:646:30
[INFO] [stderr]   38:     0x562b9686530c - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8ac2b00f01ae79e
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   39:     0x562b96896bf6 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8093d25b522725ef
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stderr]   40:     0x562b96896bf6 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5c334c204e4a3913
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stderr]   41:     0x562b96896bf6 - std::panicking::try::do_call::ha8b740c7b9478074
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]   42:     0x562b96896bf6 - std::panicking::try::h5d34f63d0e41b64e
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]   43:     0x562b96896bf6 - std::panic::catch_unwind::hcfbb511e1aa7fc67
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]   44:     0x562b96896bf6 - test::run_test_in_process::h9abda90f802eaf21
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:678:27
[INFO] [stderr]   45:     0x562b96896bf6 - test::run_test::run_test_inner::{{closure}}::h0f058de91f6c6edf
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:572:39
[INFO] [stderr]   46:     0x562b9685fb15 - test::run_test::run_test_inner::{{closure}}::h5ca48a4c59c6c1fb
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/test/src/lib.rs:599:37
[INFO] [stderr]   47:     0x562b9685fb15 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32bd51e1495d4a33
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stderr]   48:     0x562b96865051 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc086fae9b128b2db
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:526:17
[INFO] [stderr]   49:     0x562b96865051 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb66571888d270d43
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stderr]   50:     0x562b96865051 - std::panicking::try::do_call::h4fa2ef4f6e51fecf
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]   51:     0x562b96865051 - std::panicking::try::h1e9e22b8584489b5
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]   52:     0x562b96865051 - std::panic::catch_unwind::h44698a3de0e0769e
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]   53:     0x562b96865051 - std::thread::Builder::spawn_unchecked_::{{closure}}::h50153abde3fe239e
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/thread/mod.rs:525:30
[INFO] [stderr]   54:     0x562b96865051 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hbe5bbf6f38394364
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   55:     0x562b968ede85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0d83cb2920a49046
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stderr]   56:     0x562b968ede85 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe0a008aa7d9ef59
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/alloc/src/boxed.rs:1973:9
[INFO] [stderr]   57:     0x562b968ede85 - std::sys::unix::thread::Thread::new::thread_start::h3a466996bdf6b1f9
[INFO] [stderr]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   58:     0x7f7bd57aeb43 - <unknown>
[INFO] [stderr]   59:     0x7f7bd583fbb4 - __clone
[INFO] [stderr]   60:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/algorithms-dd2e11b113ca476a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "d136a09455429bdcb0fc0c6cf4f86b2a74d3ec8f795247a68676ad4f86df9e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d136a09455429bdcb0fc0c6cf4f86b2a74d3ec8f795247a68676ad4f86df9e9e", kill_on_drop: false }`
[INFO] [stdout] d136a09455429bdcb0fc0c6cf4f86b2a74d3ec8f795247a68676ad4f86df9e9e
