[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/6e0fad0cb5e2e73251c61de2a7f580e70e8f6d37 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2FlinkedList" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/morka17/linkedList on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d10edad98d5d8c9a4eaa803b7e5a96e43ca1685c6b92bdd6e0f6e8eda72bf5e7
[INFO] running `Command { std: "docker" "start" "-a" "d10edad98d5d8c9a4eaa803b7e5a96e43ca1685c6b92bdd6e0f6e8eda72bf5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10edad98d5d8c9a4eaa803b7e5a96e43ca1685c6b92bdd6e0f6e8eda72bf5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10edad98d5d8c9a4eaa803b7e5a96e43ca1685c6b92bdd6e0f6e8eda72bf5e7", kill_on_drop: false }`
[INFO] [stdout] d10edad98d5d8c9a4eaa803b7e5a96e43ca1685c6b92bdd6e0f6e8eda72bf5e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7483f991069392b39a894cf355dd15bcd9df3b32842d7a14557c805ce264000f
[INFO] running `Command { std: "docker" "start" "-a" "7483f991069392b39a894cf355dd15bcd9df3b32842d7a14557c805ce264000f", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct IterMut<'a, T: 'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub struct IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]  --> src/stack.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Stack<T> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/stack.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/stack.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Node<T>{
[INFO] [stdout]    |        ^^^^
[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] 35 |     pub fn pop(&mut self) -> Result<T, &str> {
[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: struct `IntoIter` is never constructed
[INFO] [stdout]   --> src/stack.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct IntoIter<T>(Stack<T>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]   --> src/stack.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Iter<'a, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/stack.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct IterMut<'a, 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "7483f991069392b39a894cf355dd15bcd9df3b32842d7a14557c805ce264000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7483f991069392b39a894cf355dd15bcd9df3b32842d7a14557c805ce264000f", kill_on_drop: false }`
[INFO] [stdout] 7483f991069392b39a894cf355dd15bcd9df3b32842d7a14557c805ce264000f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65acc70d526ec3a59cc42e96b73c8002a659078b572b82511fb7c34af8b40f1b
[INFO] running `Command { std: "docker" "start" "-a" "65acc70d526ec3a59cc42e96b73c8002a659078b572b82511fb7c34af8b40f1b", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct IterMut<'a, T: 'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub struct IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]  --> src/stack.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Stack<T> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/stack.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/stack.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Node<T>{
[INFO] [stdout]    |        ^^^^
[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] 35 |     pub fn pop(&mut self) -> Result<T, &str> {
[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: struct `IntoIter` is never constructed
[INFO] [stdout]   --> src/stack.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct IntoIter<T>(Stack<T>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]   --> src/stack.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Iter<'a, T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/stack.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct IterMut<'a, 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct IterMut<'a, T: 'a> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/doubly_linked_list.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub struct IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/stack.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct IterMut<'a, T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "65acc70d526ec3a59cc42e96b73c8002a659078b572b82511fb7c34af8b40f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65acc70d526ec3a59cc42e96b73c8002a659078b572b82511fb7c34af8b40f1b", kill_on_drop: false }`
[INFO] [stdout] 65acc70d526ec3a59cc42e96b73c8002a659078b572b82511fb7c34af8b40f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 529d98e96032da29bfae28e719f5a0f0add1decf93517460a4303dda83ae67f7
[INFO] running `Command { std: "docker" "start" "-a" "529d98e96032da29bfae28e719f5a0f0add1decf93517460a4303dda83ae67f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stdout] 
[INFO] [stderr]    --> src/doubly_linked_list.rs:145:28
[INFO] [stdout] running 8 tests
[INFO] [stderr]     |
[INFO] [stdout] test doubly_linked_list::test::pop_back_it_work ... ok
[INFO] [stderr] 145 |     pub fn contains(&self, x: &T) -> bool 
[INFO] [stdout] test doubly_linked_list::test::push_front_it_work ... ok
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] test stack::test_stack::iter ... ok
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Iter` is never constructed
[INFO] [stderr]    --> src/doubly_linked_list.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IterMut` is never constructed
[INFO] [stderr]    --> src/doubly_linked_list.rs:227:12
[INFO] [stderr]     |
[INFO] [stderr] 227 | pub struct IterMut<'a, T: 'a> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IntoIter` is never constructed
[INFO] [stderr]    --> src/doubly_linked_list.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 249 | pub struct IntoIter<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Stack` is never constructed
[INFO] [stderr]  --> src/stack.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Stack<T> {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]   --> src/stack.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]   --> src/stack.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Node<T>{
[INFO] [stderr]    |        ^^^^
[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] 35 |     pub fn pop(&mut self) -> Result<T, &str> {
[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: struct `IntoIter` is never constructed
[INFO] [stderr]   --> src/stack.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct IntoIter<T>(Stack<T>);
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Iter` is never constructed
[INFO] [stderr]   --> src/stack.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct Iter<'a, T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IterMut` is never constructed
[INFO] [stderr]    --> src/stack.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub struct IterMut<'a, 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedList` (lib) generated 12 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Iter` is never constructed
[INFO] [stderr]    --> src/doubly_linked_list.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub struct Iter<'a, T: 'a> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linkedList` (lib test) generated 6 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linkedList-c47829cea1577e78)
[INFO] [stdout] test stack::test_stack::peek ... ok
[INFO] [stdout] test doubly_linked_list::test::pop_front_it_work ... ok
[INFO] [stderr]    Doc-tests linkedList
[INFO] [stdout] test stack::test_stack::basics ... ok
[INFO] [stdout] test doubly_linked_list::test::push_back_it_work ... ok
[INFO] [stdout] test stack::test_stack::into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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[E0425]: cannot find type `SingleLinkedList` in this scope
[INFO] [stdout]   --> src/single_linked_list.rs:78:11
[INFO] [stdout]    |
[INFO] [stdout] 78 | 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] 78 | 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: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[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 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "529d98e96032da29bfae28e719f5a0f0add1decf93517460a4303dda83ae67f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529d98e96032da29bfae28e719f5a0f0add1decf93517460a4303dda83ae67f7", kill_on_drop: false }`
[INFO] [stdout] 529d98e96032da29bfae28e719f5a0f0add1decf93517460a4303dda83ae67f7
