[INFO] cloning repository https://github.com/morka17/linkedList
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morka17/linkedList" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e0fad0cb5e2e73251c61de2a7f580e70e8f6d37
[INFO] testing morka17/linkedList against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/morka17/linkedList on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morka17/linkedList
[INFO] finished tweaking git repo https://github.com/morka17/linkedList
[INFO] tweaked toml for git repo https://github.com/morka17/linkedList written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/morka17/linkedList 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6748439bf8a62d596d4efbbf875882e16be6e4e81b68b53997c6736f2903b4
[INFO] running `Command { std: "docker" "start" "-a" "3b6748439bf8a62d596d4efbbf875882e16be6e4e81b68b53997c6736f2903b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6748439bf8a62d596d4efbbf875882e16be6e4e81b68b53997c6736f2903b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6748439bf8a62d596d4efbbf875882e16be6e4e81b68b53997c6736f2903b4", kill_on_drop: false }`
[INFO] [stdout] 3b6748439bf8a62d596d4efbbf875882e16be6e4e81b68b53997c6736f2903b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde2d6e7ea99cf60a41b7e35fb51fec5aee319f1d8a18c23e6b404f5c82293b0
[INFO] running `Command { std: "docker" "start" "-a" "fde2d6e7ea99cf60a41b7e35fb51fec5aee319f1d8a18c23e6b404f5c82293b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedList v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]    --> src/doubly_linked_list.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/stack.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn peek(&self) -> Option<&T>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn peek_mut(&mut self) -> Option<&mut T>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn into_iter_for_stack(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `linkedList` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "fde2d6e7ea99cf60a41b7e35fb51fec5aee319f1d8a18c23e6b404f5c82293b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde2d6e7ea99cf60a41b7e35fb51fec5aee319f1d8a18c23e6b404f5c82293b0", kill_on_drop: false }`
[INFO] [stdout] fde2d6e7ea99cf60a41b7e35fb51fec5aee319f1d8a18c23e6b404f5c82293b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d3e1c05e8b79be6842b30215b4c600c9b17690377df740a6d345df195ef3d31
[INFO] running `Command { std: "docker" "start" "-a" "3d3e1c05e8b79be6842b30215b4c600c9b17690377df740a6d345df195ef3d31", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]    --> src/doubly_linked_list.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/stack.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn peek(&self) -> Option<&T>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn peek_mut(&mut self) -> Option<&mut T>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn into_iter_for_stack(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linkedList v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `linkedList` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_it_works` is never used
[INFO] [stdout]    --> src/single_linked_list.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn add_it_works() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]    --> src/doubly_linked_list.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `linkedList` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3d3e1c05e8b79be6842b30215b4c600c9b17690377df740a6d345df195ef3d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3e1c05e8b79be6842b30215b4c600c9b17690377df740a6d345df195ef3d31", kill_on_drop: false }`
[INFO] [stdout] 3d3e1c05e8b79be6842b30215b4c600c9b17690377df740a6d345df195ef3d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 145bebefae5ed2f48b70c3cb1fdf072c8ad7d41f81d68dbf9b938cd7e60658f1
[INFO] running `Command { std: "docker" "start" "-a" "145bebefae5ed2f48b70c3cb1fdf072c8ad7d41f81d68dbf9b938cd7e60658f1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/doubly_linked_list.rs:145:28
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head` and `tail` are never read
[INFO] [stderr]    --> src/doubly_linked_list.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/stack.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<T> Stack<T> {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn peek(&self) -> Option<&T>{
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn peek_mut(&mut self) -> Option<&mut T>{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     pub fn into_iter_for_stack(self) -> IntoIter<T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `linkedList` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedList` (lib) generated 4 warnings (run `cargo fix --lib -p linkedList` to apply 1 suggestion)
[INFO] [stderr] warning: function `add_it_works` is never used
[INFO] [stderr]    --> src/single_linked_list.rs:128:8
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn add_it_works() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head` and `tail` are never read
[INFO] [stderr]    --> src/doubly_linked_list.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedList` (lib test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linkedList-707e18f1447dd354)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test stack::test_stack::basics ... ok
[INFO] [stdout] test stack::test_stack::into_iter ... ok
[INFO] [stdout] test stack::test_stack::peek ... ok
[INFO] [stdout] test stack::test_stack::iter ... ok
[INFO] [stdout] test doubly_linked_list::test::push_front_it_work ... ok
[INFO] [stdout] test doubly_linked_list::test::pop_front_it_work ... ok
[INFO] [stdout] test doubly_linked_list::test::push_back_it_work ... ok
[INFO] [stdout] test doubly_linked_list::test::pop_back_it_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linkedList
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/single_linked_list.rs - single_linked_list::SinglyLinkedList<T>::new (line 77) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/single_linked_list.rs - single_linked_list::SinglyLinkedList<T>::new (line 77) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `SingleLinkedList` in this scope
[INFO] [stdout]  --> src/single_linked_list.rs:78:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let list: SingleLinkedList<u32> = SingleLinkedList::new();
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SingleLinkedList`
[INFO] [stdout]  --> src/single_linked_list.rs:78:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | let list: SingleLinkedList<u32> = SingleLinkedList::new();
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^ use of undeclared type `SingleLinkedList`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/single_linked_list.rs - single_linked_list::SinglyLinkedList<T>::new (line 77)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "145bebefae5ed2f48b70c3cb1fdf072c8ad7d41f81d68dbf9b938cd7e60658f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145bebefae5ed2f48b70c3cb1fdf072c8ad7d41f81d68dbf9b938cd7e60658f1", kill_on_drop: false }`
[INFO] [stdout] 145bebefae5ed2f48b70c3cb1fdf072c8ad7d41f81d68dbf9b938cd7e60658f1
[INFO] testing morka17/linkedList against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList" "/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/morka17/linkedList on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/morka17/linkedList
[INFO] finished tweaking git repo https://github.com/morka17/linkedList
[INFO] tweaked toml for git repo https://github.com/morka17/linkedList written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/morka17/linkedList 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-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c292d129fdb9a7506f0996dd1a57463da5a48f0ead26b3f311d4e7764215543
[INFO] running `Command { std: "docker" "start" "-a" "9c292d129fdb9a7506f0996dd1a57463da5a48f0ead26b3f311d4e7764215543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c292d129fdb9a7506f0996dd1a57463da5a48f0ead26b3f311d4e7764215543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c292d129fdb9a7506f0996dd1a57463da5a48f0ead26b3f311d4e7764215543", kill_on_drop: false }`
[INFO] [stdout] 9c292d129fdb9a7506f0996dd1a57463da5a48f0ead26b3f311d4e7764215543
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0caf240f138e788d89ec9147e6dd33e03116cb32153cb0eff4e5ca06ac8bd04
[INFO] running `Command { std: "docker" "start" "-a" "e0caf240f138e788d89ec9147e6dd33e03116cb32153cb0eff4e5ca06ac8bd04", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedList v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]    --> src/doubly_linked_list.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/stack.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn peek(&self) -> Option<&T>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn peek_mut(&mut self) -> Option<&mut T>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn into_iter_for_stack(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `linkedList` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "e0caf240f138e788d89ec9147e6dd33e03116cb32153cb0eff4e5ca06ac8bd04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0caf240f138e788d89ec9147e6dd33e03116cb32153cb0eff4e5ca06ac8bd04", kill_on_drop: false }`
[INFO] [stdout] e0caf240f138e788d89ec9147e6dd33e03116cb32153cb0eff4e5ca06ac8bd04
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 703e43b6c996774c90bc5039133b576185a9f0c7bbad49177f286c1ab35d55f0
[INFO] running `Command { std: "docker" "start" "-a" "703e43b6c996774c90bc5039133b576185a9f0c7bbad49177f286c1ab35d55f0", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]    --> src/doubly_linked_list.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/stack.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn peek(&self) -> Option<&T>{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn peek_mut(&mut self) -> Option<&mut T>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn into_iter_for_stack(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `linkedList` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linkedList v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_it_works` is never used
[INFO] [stdout]    --> src/single_linked_list.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn add_it_works() {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `tail` are never read
[INFO] [stdout]    --> src/doubly_linked_list.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `linkedList` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "703e43b6c996774c90bc5039133b576185a9f0c7bbad49177f286c1ab35d55f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703e43b6c996774c90bc5039133b576185a9f0c7bbad49177f286c1ab35d55f0", kill_on_drop: false }`
[INFO] [stdout] 703e43b6c996774c90bc5039133b576185a9f0c7bbad49177f286c1ab35d55f0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dae4d1b66e8361c4b53f2987ee1f74675d4eca78c1b3de2dd26f76d542d07d8
[INFO] running `Command { std: "docker" "start" "-a" "3dae4d1b66e8361c4b53f2987ee1f74675d4eca78c1b3de2dd26f76d542d07d8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/doubly_linked_list.rs:145:28
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head` and `tail` are never read
[INFO] [stderr]    --> src/doubly_linked_list.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/stack.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl<T> Stack<T> {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn peek(&self) -> Option<&T>{
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn peek_mut(&mut self) -> Option<&mut T>{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     pub fn into_iter_for_stack(self) -> IntoIter<T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `linkedList` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `linked_list`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedList` (lib) generated 4 warnings (run `cargo fix --lib -p linkedList` to apply 1 suggestion)
[INFO] [stderr] warning: function `add_it_works` is never used
[INFO] [stderr]    --> src/single_linked_list.rs:128:8
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn add_it_works() {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head` and `tail` are never read
[INFO] [stderr]    --> src/doubly_linked_list.rs:200:5
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 200 |     head: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 201 |     tail: Option<NonNull<Node<T>>>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedList` (lib test) generated 4 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linkedList-9c76a9cebe3042b7)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test doubly_linked_list::test::pop_front_it_work ... ok
[INFO] [stdout] test doubly_linked_list::test::push_back_it_work ... ok
[INFO] [stdout] test doubly_linked_list::test::pop_back_it_work ... ok
[INFO] [stdout] test doubly_linked_list::test::push_front_it_work ... ok
[INFO] [stdout] test stack::test_stack::basics ... ok
[INFO] [stdout] test stack::test_stack::into_iter ... ok
[INFO] [stdout] test stack::test_stack::iter ... ok
[INFO] [stdout] test stack::test_stack::peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linkedList
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/single_linked_list.rs - single_linked_list::SinglyLinkedList<T>::new (line 77) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/single_linked_list.rs - single_linked_list::SinglyLinkedList<T>::new (line 77) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `SingleLinkedList` in this scope
[INFO] [stdout]  --> src/single_linked_list.rs:78:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let list: SingleLinkedList<u32> = SingleLinkedList::new();
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SingleLinkedList`
[INFO] [stdout]  --> src/single_linked_list.rs:78:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | let list: SingleLinkedList<u32> = SingleLinkedList::new();
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^ use of undeclared type `SingleLinkedList`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/single_linked_list.rs - single_linked_list::SinglyLinkedList<T>::new (line 77)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3dae4d1b66e8361c4b53f2987ee1f74675d4eca78c1b3de2dd26f76d542d07d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dae4d1b66e8361c4b53f2987ee1f74675d4eca78c1b3de2dd26f76d542d07d8", kill_on_drop: false }`
[INFO] [stdout] 3dae4d1b66e8361c4b53f2987ee1f74675d4eca78c1b3de2dd26f76d542d07d8
