[INFO] cloning repository https://github.com/AllanJRY/data_structures_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AllanJRY/data_structures_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllanJRY%2Fdata_structures_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllanJRY%2Fdata_structures_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b3cbe12e4f10593aa0fc6a56381a053471d5c1
[INFO] testing AllanJRY/data_structures_algorithms against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllanJRY%2Fdata_structures_algorithms" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AllanJRY/data_structures_algorithms
[INFO] finished tweaking git repo https://github.com/AllanJRY/data_structures_algorithms
[INFO] tweaked toml for git repo https://github.com/AllanJRY/data_structures_algorithms written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AllanJRY/data_structures_algorithms on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AllanJRY/data_structures_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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91aed8e8d18c6854c2b8fb385c1d1c8e9291e5f2d23e3be68606c7e9bb015757
[INFO] running `Command { std: "docker" "start" "-a" "91aed8e8d18c6854c2b8fb385c1d1c8e9291e5f2d23e3be68606c7e9bb015757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91aed8e8d18c6854c2b8fb385c1d1c8e9291e5f2d23e3be68606c7e9bb015757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91aed8e8d18c6854c2b8fb385c1d1c8e9291e5f2d23e3be68606c7e9bb015757", kill_on_drop: false }`
[INFO] [stdout] 91aed8e8d18c6854c2b8fb385c1d1c8e9291e5f2d23e3be68606c7e9bb015757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e3a245b9bc134c29078fb1363b0593c9fa907cd4b1d3aa4a379db9eacb21e3
[INFO] running `Command { std: "docker" "start" "-a" "47e3a245b9bc134c29078fb1363b0593c9fa907cd4b1d3aa4a379db9eacb21e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structures_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `push`, `pop`, `peek`, `peek_mut`, and `reverse` are never used
[INFO] [stdout]   --> src/structures/physical/linked_list/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait LinkedList<T> {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn push(&mut self, val: T);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn pop(&mut self) -> Option<T>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn peek(&self) -> Option<&T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn peek_mut(&mut self) -> Option<&mut T>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn reverse(&mut self);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/queue/linked_queue.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> LinkedQueueIter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> LinkedQueueIter<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/queue/linked_queue.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn iter_mut(&mut self) -> LinkedQueueIterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn iter_mut(&mut self) -> LinkedQueueIterMut<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/stack/linked_stack.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter(&self) -> LinkedStackIter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter(&self) -> LinkedStackIter<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/stack/linked_stack.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn iter_mut(&mut self) -> LinkedStackIterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn iter_mut(&mut self) -> LinkedStackIterMut<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/physical/linked_list/singly_linked_list.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn iter(&self) -> SinglyLinkedIter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn iter(&self) -> SinglyLinkedIter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/physical/linked_list/singly_linked_list.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter_mut(&mut self) -> SinglyLinkedIterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter_mut(&mut self) -> SinglyLinkedIterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "47e3a245b9bc134c29078fb1363b0593c9fa907cd4b1d3aa4a379db9eacb21e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e3a245b9bc134c29078fb1363b0593c9fa907cd4b1d3aa4a379db9eacb21e3", kill_on_drop: false }`
[INFO] [stdout] 47e3a245b9bc134c29078fb1363b0593c9fa907cd4b1d3aa4a379db9eacb21e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7cab59b594a2241d0b89b969c959b65c49085815db13030df3cb97789b7608
[INFO] running `Command { std: "docker" "start" "-a" "5f7cab59b594a2241d0b89b969c959b65c49085815db13030df3cb97789b7608", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structures_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]   --> src/structures/physical/linked_list/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait LinkedList<T> {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn reverse(&mut self);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/queue/linked_queue.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> LinkedQueueIter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn iter(&self) -> LinkedQueueIter<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/queue/linked_queue.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn iter_mut(&mut self) -> LinkedQueueIterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn iter_mut(&mut self) -> LinkedQueueIterMut<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/stack/linked_stack.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter(&self) -> LinkedStackIter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn iter(&self) -> LinkedStackIter<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/logical/stack/linked_stack.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn iter_mut(&mut self) -> LinkedStackIterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn iter_mut(&mut self) -> LinkedStackIterMut<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/physical/linked_list/singly_linked_list.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn iter(&self) -> SinglyLinkedIter<T> {
[INFO] [stdout]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn iter(&self) -> SinglyLinkedIter<'_, T> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/structures/physical/linked_list/singly_linked_list.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter_mut(&mut self) -> SinglyLinkedIterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn iter_mut(&mut self) -> SinglyLinkedIterMut<'_, T> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "5f7cab59b594a2241d0b89b969c959b65c49085815db13030df3cb97789b7608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7cab59b594a2241d0b89b969c959b65c49085815db13030df3cb97789b7608", kill_on_drop: false }`
[INFO] [stdout] 5f7cab59b594a2241d0b89b969c959b65c49085815db13030df3cb97789b7608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95f03731f174cadc6601bedac6704241324746a987b73152473720cb7acd2243
[INFO] running `Command { std: "docker" "start" "-a" "95f03731f174cadc6601bedac6704241324746a987b73152473720cb7acd2243", kill_on_drop: false }`
[INFO] [stderr] warning: method `reverse` is never used
[INFO] [stderr]   --> src/structures/physical/linked_list/mod.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub trait LinkedList<T> {
[INFO] [stderr]    |           ---------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 26 |     fn reverse(&mut self);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/structures/logical/queue/linked_queue.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn iter(&self) -> LinkedQueueIter<T> {
[INFO] [stderr]    |                 ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn iter(&self) -> LinkedQueueIter<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/structures/logical/queue/linked_queue.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn iter_mut(&mut self) -> LinkedQueueIterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn iter_mut(&mut self) -> LinkedQueueIterMut<'_, T> {
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/structures/logical/stack/linked_stack.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn iter(&self) -> LinkedStackIter<T> {
[INFO] [stderr]    |                 ^^^^^     ------------------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn iter(&self) -> LinkedStackIter<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/structures/logical/stack/linked_stack.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn iter_mut(&mut self) -> LinkedStackIterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn iter_mut(&mut self) -> LinkedStackIterMut<'_, T> {
[INFO] [stderr]    |                                                      +++
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] running 108 tests
[INFO] [stderr]   --> src/structures/physical/linked_list/singly_linked_list.rs:26:17
[INFO] [stdout] test algo::bubble_sort::test::bubble_sort_already_sorted ... ok
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn iter(&self) -> SinglyLinkedIter<T> {
[INFO] [stderr]    |                 ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn iter(&self) -> SinglyLinkedIter<'_, T> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/structures/physical/linked_list/singly_linked_list.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter_mut(&mut self) -> SinglyLinkedIterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn iter_mut(&mut self) -> SinglyLinkedIterMut<'_, T> {
[INFO] [stderr]    |                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `data_structures_algorithms` (bin "data_structures_algorithms" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/data_structures_algorithms-0ebf49b39dd1d51c)
[INFO] [stdout] test algo::binary_search::test::test_binary_search_i32_some ... ok
[INFO] [stdout] test algo::binary_search::test::test_binary_search_i32_none ... ok
[INFO] [stdout] test algo::linear_search::test::test_linear_search_string ... ok
[INFO] [stdout] test algo::bubble_sort::test::bubble_sort_success ... ok
[INFO] [stdout] test algo::linear_search::test::test_linear_search_i32 ... ok
[INFO] [stdout] test algo::bubble_sort::test::bubble_sort_empty ... ok
[INFO] [stdout] test algo::linear_search::test::test_linear_search_i32_not_found ... ok
[INFO] [stdout] test algo::linear_search::test::test_linear_search_string_not_found ... ok
[INFO] [stdout] test algo::binary_search::test::test_binary_search_unordered_i32_none ... ok
[INFO] [stdout] test algo::recursion::test::test_combination_formula_recursion ... ok
[INFO] [stdout] test algo::recursion::test::test_factorial_of_n ... ok
[INFO] [stdout] test algo::recursion::test::test_fibonacci_series_recursion ... ok
[INFO] [stdout] test algo::recursion::test::test_nested_recursion ... ok
[INFO] [stdout] test algo::recursion::test::test_power_recursion ... ok
[INFO] [stdout] test algo::recursion::test::test_power_recursion_0 ... ok
[INFO] [stdout] test algo::recursion::test::test_power_recursion_1 ... ok
[INFO] [stdout] test algo::recursion::test::test_recursive_head_push ... ok
[INFO] [stdout] test algo::recursion::test::test_recursive_indirect_a_push ... ok
[INFO] [stdout] test algo::recursion::test::test_recursive_indirect_b_push ... ok
[INFO] [stdout] test algo::recursion::test::test_recursive_tail_push ... ok
[INFO] [stdout] test algo::recursion::test::test_recursive_tree_push ... ok
[INFO] [stdout] test algo::recursion::test::test_sum_of_first_natural_numbers ... ok
[INFO] [stdout] test algo::recursion::test::test_taylor_series_recursion ... ok
[INFO] [stdout] test algo::two_crystal_balls::test::two_crystal_balls_break_found ... ok
[INFO] [stdout] test algo::two_crystal_balls::test::two_crystal_balls_break_no_break ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_dequeue ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_enqueue ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_enqueue_overflow ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_is_empty ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_iter_mut ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_new ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_is_full ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_peek ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_iter ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_new_zero_cap ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_peek_mut ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_peek_next_mut ... ok
[INFO] [stdout] test structures::logical::queue::array_queue::test::array_queue_peek_next ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_dequeue ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_iter ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_new ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_new_fail_zero_cap ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_peek ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_peek_next ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_peek_next_mut ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_capacity ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_is_empty ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_is_full ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_len ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_new_fail_with_zero ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_enqueue ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_new ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_peek_mut ... ok
[INFO] [stdout] test structures::logical::queue::linked_queue::test::linked_queue_peek_mut ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_peek ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_peek_next ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_peek_next_mut ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_pop ... ok
[INFO] [stdout] test structures::logical::stack::array_stack::test::array_stack_push ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_peek ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_iter ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_cap ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_new_with_zero_cap ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_iter_mut ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_new ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_len ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_pop ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_push ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_count ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_is_complete ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_trav_in_order ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_trav_level_order ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_trav_post_order ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_trav_pre_order ... ok
[INFO] [stdout] test structures::physical::array::test::array_at_index ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_peek_mut ... ok
[INFO] [stdout] test structures::logical::stack::linked_stack::test::linked_stack_peek_next ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_is_full ... ok
[INFO] [stdout] test structures::physical::array::test::array_get ... ok
[INFO] [stdout] test structures::physical::array::test::array_insert ... ok
[INFO] [stdout] test structures::physical::array::test::array_is_sorted ... ok
[INFO] [stdout] test structures::physical::array::test::array_linear_search ... ok
[INFO] [stdout] test structures::physical::array::test::array_remove ... ok
[INFO] [stdout] test structures::physical::array::test::array_pop ... ok
[INFO] [stdout] test structures::physical::array::test::array_insert_tail ... ok
[INFO] [stdout] test structures::logical::tree::binary_tree::test::linked_binary_tree_new ... ok
[INFO] [stdout] test structures::physical::array::test::array_push ... ok
[INFO] [stdout] test structures::physical::array::test::array_set ... ok
[INFO] [stdout] test structures::physical::array::test::create_empty_array ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_iter ... ok
[INFO] [stdout] test structures::physical::array::test::array_binary_search ... ok
[INFO] [stdout] test structures::physical::array::test::grow_array ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_iter_mut ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_push ... ok
[INFO] [stdout] test structures::physical::array::test::array_push_sorted ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_new ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_pop ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_peek_mut ... ok
[INFO] [stdout] test structures::physical::array::test::array_remove_tail ... ok
[INFO] [stdout] test structures::physical::linked_list::singly_linked_list::test::singly_linked_list_peek ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::linked_list_peek ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::linked_list_pop_single ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::linked_list_pop_multiple ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::empty_linked_list ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::linked_list_peek_mut ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::linked_list_push_mutilple ... ok
[INFO] [stdout] test structures::physical::singly_linked_list::test::linked_list_push_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 108 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95f03731f174cadc6601bedac6704241324746a987b73152473720cb7acd2243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f03731f174cadc6601bedac6704241324746a987b73152473720cb7acd2243", kill_on_drop: false }`
[INFO] [stdout] 95f03731f174cadc6601bedac6704241324746a987b73152473720cb7acd2243
