[INFO] fetching crate rust_examples 0.1.11...
[INFO] testing rust_examples-0.1.11 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate rust_examples 0.1.11 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rust_examples 0.1.11 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_examples 0.1.11
[INFO] finished tweaking crates.io crate rust_examples 0.1.11
[INFO] tweaked toml for crates.io crate rust_examples 0.1.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust_examples 0.1.11 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41718485afdef5a62b95f850f989137a0f8d8fc550507e000b64ce3f4ae8741
[INFO] running `Command { std: "docker" "start" "-a" "e41718485afdef5a62b95f850f989137a0f8d8fc550507e000b64ce3f4ae8741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41718485afdef5a62b95f850f989137a0f8d8fc550507e000b64ce3f4ae8741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41718485afdef5a62b95f850f989137a0f8d8fc550507e000b64ce3f4ae8741", kill_on_drop: false }`
[INFO] [stdout] e41718485afdef5a62b95f850f989137a0f8d8fc550507e000b64ce3f4ae8741
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02e41a2ca2fea58e54c99f8c0765dfe978d11f74f08a451252e2169d8b46b2e
[INFO] running `Command { std: "docker" "start" "-a" "b02e41a2ca2fea58e54c99f8c0765dfe978d11f74f08a451252e2169d8b46b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_examples v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_fifth.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct List<'a, T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/list_fifth.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a, T> List<'a, T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn pop(&'a mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn push_front(&mut self, element: T) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn front(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn back(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct IterMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 177 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_iter` is never used
[INFO] [stdout]    --> src/list_eighth.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 249 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CursorMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct CursorMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cursor_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 347 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:356:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | impl<'a, T> CursorMut<'a, T> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] 356 |     pub fn remove_current(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 |     pub fn move_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     pub fn move_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn current(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn peek_next(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 425 |     pub fn index(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 428 |     pub fn peek_prev(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 |     pub fn split_before(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 473 |     pub fn split_after(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     pub fn splice_before(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 536 |     pub fn splice_after(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_seventh.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = *mut Node<T>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct IntoIter<T>(List<T>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Iter<'a, T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IterMut<'a, T> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/list_seventh.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn iter(&mut self) -> Iter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arc` is never constructed
[INFO] [stdout]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Arc<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArcInner` is never constructed
[INFO] [stdout]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ArcInner<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Arc<T> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(data: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]  --> src/rustonomicon/meet_unsafe.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn index(idx: usize, arr: &[u8]) -> Option<u8> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr` is never used
[INFO] [stdout]  --> src/rustonomicon/memory.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn create_arr() -> [Box<i32>; 10] {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr_by_write` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn create_arr_by_write() -> [Box<i32>; 10] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/rustonomicon/memory.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Demo(bool, i32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec` is never constructed
[INFO] [stdout]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vec<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Vec<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn cap(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<T> RawValIter<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grow` and `new` are never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<T> RawVec<T> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 211 |     fn grow(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn new() -> RawVec<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/silly1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/silly1.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn push_left(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push_right(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn pop_left(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn pop_right(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn peek_left(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn peek_right(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn go_left(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const size: usize = 10;
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const size: usize = 10;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` should have a snake case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "b02e41a2ca2fea58e54c99f8c0765dfe978d11f74f08a451252e2169d8b46b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02e41a2ca2fea58e54c99f8c0765dfe978d11f74f08a451252e2169d8b46b2e", kill_on_drop: false }`
[INFO] [stdout] b02e41a2ca2fea58e54c99f8c0765dfe978d11f74f08a451252e2169d8b46b2e
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea3e84ccc0f466bf3e9d022e06af52e3c751f0cdb403e0b612bad93eba54e0c
[INFO] running `Command { std: "docker" "start" "-a" "5ea3e84ccc0f466bf3e9d022e06af52e3c751f0cdb403e0b612bad93eba54e0c", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_fifth.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct List<'a, T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/list_fifth.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a, T> List<'a, T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn pop(&'a mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn push_front(&mut self, element: T) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn front(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn back(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct IterMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 177 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_iter` is never used
[INFO] [stdout]    --> src/list_eighth.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 249 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CursorMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct CursorMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cursor_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 347 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:356:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | impl<'a, T> CursorMut<'a, T> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] 356 |     pub fn remove_current(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 |     pub fn move_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     pub fn move_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn current(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn peek_next(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 425 |     pub fn index(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 428 |     pub fn peek_prev(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 |     pub fn split_before(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 473 |     pub fn split_after(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     pub fn splice_before(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 536 |     pub fn splice_after(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_seventh.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = *mut Node<T>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct IntoIter<T>(List<T>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Iter<'a, T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IterMut<'a, T> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/list_seventh.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn iter(&mut self) -> Iter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arc` is never constructed
[INFO] [stdout]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Arc<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_examples v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ArcInner` is never constructed
[INFO] [stdout]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ArcInner<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Arc<T> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(data: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]  --> src/rustonomicon/meet_unsafe.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn index(idx: usize, arr: &[u8]) -> Option<u8> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr` is never used
[INFO] [stdout]  --> src/rustonomicon/memory.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn create_arr() -> [Box<i32>; 10] {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr_by_write` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn create_arr_by_write() -> [Box<i32>; 10] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/rustonomicon/memory.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Demo(bool, i32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec` is never constructed
[INFO] [stdout]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vec<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Vec<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn cap(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<T> RawValIter<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grow` and `new` are never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<T> RawVec<T> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 211 |     fn grow(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn new() -> RawVec<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/silly1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/silly1.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn push_left(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push_right(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn pop_left(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn pop_right(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn peek_left(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn peek_right(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn go_left(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const size: usize = 10;
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const size: usize = 10;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` should have a snake case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let a: Option<&String> = str.as_deref();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let a: Option<&mut String> = str.as_deref_mut();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let a: &mut Box<String> = a;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let a: Box<String> = a;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]   --> examples/macro_rules_five.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use std::iter;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> examples/macro_rules_five.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | mod test {
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_assign` is never used
[INFO] [stdout]   --> examples/macro_rules_five.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | op!(add_assign, Add, +=, add);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_assign` is never used
[INFO] [stdout]   --> examples/macro_rules_five.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | op!(mul_assign, Mul, *=, mul);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_assign` is never used
[INFO] [stdout]   --> examples/macro_rules_five.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | op!(sub_assign, Sub, -=, sub);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/list_fifth.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a, T> List<'a, T> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/list_eighth.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arc` is never constructed
[INFO] [stdout]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Arc<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArcInner` is never constructed
[INFO] [stdout]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ArcInner<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Arc<T> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(data: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec` is never constructed
[INFO] [stdout]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vec<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Vec<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn cap(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<T> RawValIter<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grow` and `new` are never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<T> RawVec<T> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 211 |     fn grow(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn new() -> RawVec<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_left_mut`, `peek_right_mut`, and `go_right` are never used
[INFO] [stdout]   --> src/silly1.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> List<T> {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const size: usize = 10;
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const size: usize = 10;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` should have a snake case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "5ea3e84ccc0f466bf3e9d022e06af52e3c751f0cdb403e0b612bad93eba54e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea3e84ccc0f466bf3e9d022e06af52e3c751f0cdb403e0b612bad93eba54e0c", kill_on_drop: false }`
[INFO] [stdout] 5ea3e84ccc0f466bf3e9d022e06af52e3c751f0cdb403e0b612bad93eba54e0c
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78dd51384f9d2f3303e4411af98b4c119067e23cdfec49e99a0a39fd877ff73d
[INFO] running `Command { std: "docker" "start" "-a" "78dd51384f9d2f3303e4411af98b4c119067e23cdfec49e99a0a39fd877ff73d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stderr]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout] running 35 tests
[INFO] [stderr]     |
[INFO] [stderr] 147 |         unsafe {
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/list_fifth.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]  --> src/list_fifth.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/list_fifth.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct List<'a, T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stderr]   --> src/list_fifth.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<'a, T> List<'a, T> {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn pop(&'a mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/list_eighth.rs:28:12
[INFO] [stderr]     |
[INFO] [stderr] 19  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 28  |     pub fn push_front(&mut self, element: T) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90  |     pub fn front(&self) -> Option<&T> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 93  |     pub fn back(&self) -> Option<&T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96  |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99  |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IterMut` is never constructed
[INFO] [stderr]    --> src/list_eighth.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 | struct IterMut<'a, T> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `iter_mut` is never used
[INFO] [stderr]    --> src/list_eighth.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 176 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 177 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_iter` is never used
[INFO] [stderr]    --> src/list_eighth.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 248 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 249 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CursorMut` is never constructed
[INFO] [stderr]    --> src/list_eighth.rs:341:8
[INFO] [stderr]     |
[INFO] [stderr] 341 | struct CursorMut<'a, T> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cursor_mut` is never used
[INFO] [stderr]    --> src/list_eighth.rs:347:12
[INFO] [stderr]     |
[INFO] [stderr] 346 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 347 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/list_eighth.rs:356:12
[INFO] [stderr]     |
[INFO] [stderr] 355 | impl<'a, T> CursorMut<'a, T> {
[INFO] [stderr]     | ---------------------------- methods in this implementation
[INFO] [stderr] 356 |     pub fn remove_current(&mut self) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 379 |     pub fn move_next(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 395 |     pub fn move_prev(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 411 |     pub fn current(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 415 |     pub fn peek_next(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 425 |     pub fn index(&self) -> Option<usize> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 428 |     pub fn peek_prev(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 438 |     pub fn split_before(&mut self) -> LinkedList<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 473 |     pub fn split_after(&mut self) -> LinkedList<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 505 |     pub fn splice_before(&mut self, mut input: LinkedList<T>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 536 |     pub fn splice_after(&mut self, mut input: LinkedList<T>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/list_seventh.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct List<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]  --> src/list_seventh.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Link<T> = *mut Node<T>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/list_seventh.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Node<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IntoIter` is never constructed
[INFO] [stderr]   --> src/list_seventh.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct IntoIter<T>(List<T>);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Iter` is never constructed
[INFO] [stderr]   --> src/list_seventh.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Iter<'a, T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IterMut` is never constructed
[INFO] [stderr]   --> src/list_seventh.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct IterMut<'a, T> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/list_seventh.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> List<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 18 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn push(&mut self, element: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn iter(&mut self) -> Iter<T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Arc` is never constructed
[INFO] [stderr]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Arc<T> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ArcInner` is never constructed
[INFO] [stderr]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct ArcInner<T> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> Arc<T> {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 18 |     pub fn new(data: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `index` is never used
[INFO] [stderr]  --> src/rustonomicon/meet_unsafe.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn index(idx: usize, arr: &[u8]) -> Option<u8> {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_arr` is never used
[INFO] [stderr]  --> src/rustonomicon/memory.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn create_arr() -> [Box<i32>; 10] {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_arr_by_write` is never used
[INFO] [stderr]   --> src/rustonomicon/memory.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn create_arr_by_write() -> [Box<i32>; 10] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Demo` is never constructed
[INFO] [stderr]   --> src/rustonomicon/memory.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Demo(bool, i32);
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `createDemo` is never used
[INFO] [stderr]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn createDemo() -> Demo {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vec` is never constructed
[INFO] [stderr]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Vec<T> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> Vec<T> {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn cap(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stderr]     |
[INFO] [stderr] 103 | impl<T> RawValIter<T> {
[INFO] [stderr]     | --------------------- associated function in this implementation
[INFO] [stderr] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `grow` and `new` are never used
[INFO] [stderr]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stderr]     |
[INFO] [stderr] 210 | impl<T> RawVec<T> {
[INFO] [stderr]     | ----------------- associated items in this implementation
[INFO] [stderr] 211 |     fn grow(&mut self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 232 |     fn new() -> RawVec<T> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/silly1.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct List<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/silly1.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> List<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn push_left(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn push_right(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn pop_left(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn pop_right(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn peek_left(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn peek_right(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn go_left(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: constant `size` should have an upper case name
[INFO] [stderr]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const size: usize = 10;
[INFO] [stderr]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `size` should have an upper case name
[INFO] [stderr]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |     const size: usize = 10;
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: function `createDemo` should have a snake case name
[INFO] [stderr]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn createDemo() -> Demo {
[INFO] [stderr]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (lib) generated 37 warnings
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]   --> examples/macro_rules_five.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use std::iter;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> examples/macro_rules_five.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | mod test {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_assign` is never used
[INFO] [stderr]   --> examples/macro_rules_five.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | op!(add_assign, Add, +=, add);
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul_assign` is never used
[INFO] [stderr]   --> examples/macro_rules_five.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | op!(mul_assign, Mul, *=, mul);
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub_assign` is never used
[INFO] [stderr]   --> examples/macro_rules_five.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | op!(sub_assign, Sub, -=, sub);
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (example "macro_rules_five") generated 4 warnings (run `cargo fix --example "macro_rules_five"` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let a: Option<&String> = str.as_deref();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let a: Option<&mut String> = str.as_deref_mut();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let a: &mut Box<String> = a;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let a: Box<String> = a;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (example "option") generated 4 warnings
[INFO] [stderr] warning: method `push` is never used
[INFO] [stderr]   --> src/list_fifth.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<'a, T> List<'a, T> {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]    --> src/list_eighth.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 19  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 108 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `peek_left_mut`, `peek_right_mut`, and `go_right` are never used
[INFO] [stderr]   --> src/silly1.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> List<T> {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (lib test) generated 15 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_examples-21c8c8d274c68700)
[INFO] [stdout] test list_eighth::test::test_cursor_mut_insert ... ok
[INFO] [stdout] test list_eighth::test::test_debug ... ok
[INFO] [stdout] test list_eighth::test::test_eq ... ok
[INFO] [stdout] test list_eighth::test::test_basic ... ok
[INFO] [stdout] test list_eighth::test::test_mut_iter ... ok
[INFO] [stdout] test list_eighth::test::test_iterator ... ok
[INFO] [stdout] test list_eighth::test::test_hashmap ... ok
[INFO] [stdout] test list_eighth::test::test_basic_front ... ok
[INFO] [stdout] test list_eighth::test::test_rev_iter ... ok
[INFO] [stdout] test list_fourth::test::basics ... ok
[INFO] [stdout] test list_fifth::test::basics ... ok
[INFO] [stdout] test list_eighth::test::test_iterator_double_end ... ok
[INFO] [stdout] test list_eighth::test::test_iterator_mut_double_end ... ok
[INFO] [stdout] test list_first::test::basics ... ok
[INFO] [stdout] test list_eighth::test::test_ord ... ok
[INFO] [stdout] test list_eighth::test::test_ord_nan ... ok
[INFO] [stdout] test list_eighth::test::test_cursor_move_peek ... ok
[INFO] [stdout] test list_fourth::test::into_iter ... ok
[INFO] [stdout] test list_second::test::basics ... ok
[INFO] [stdout] test list_seventh::test::basics ... ok
[INFO] [stdout] test list_second::test::iter ... ok
[INFO] [stdout] test list_seventh::test::into_iter ... ok
[INFO] [stdout] test list_second::test::iter_into ... ok
[INFO] [stdout] test list_second::test::iter_mut ... ok
[INFO] [stderr] thread 'rustonomicon::meet_unsafe::test::meet_unsafe' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stdout] test list_seventh::test::iter_mut ... ok
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bf80d9a055 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x55bf80d9a055 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x55bf80d9a055 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x55bf80d9a055 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x55bf80dc08bb - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x55bf80dc08bb - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x55bf80d9793f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x55bf80d99e2e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x55bf80d99e2e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x55bf80d9b859 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x55bf80d9b59d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x55bf80d6c77a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x55bf80d6c77a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x55bf80d9be5b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x55bf80d9be5b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x55bf80d9bb9b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x55bf80d9a519 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x55bf80d9b907 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x55bf80d06970 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x55bf80d06970 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x55bf80d06a02 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x55bf80d24ff8 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::hee29d6552f071f93
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x55bf80d24fa3 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h9e79403cfaf190ab
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x55bf80d233d8 - core::slice::<impl [T]>::get_unchecked::hdb4b1bedd4429afd
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/slice/mod.rs:686:20
[INFO] [stderr]   24:     0x55bf80d25622 - rust_examples::rustonomicon::meet_unsafe::index::h78171d7920d42a9b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rustonomicon/meet_unsafe.rs:3:20
[INFO] [stderr]   25:     0x55bf80d1db94 - rust_examples::rustonomicon::meet_unsafe::test::meet_unsafe::ha6760c88f8fe0d61
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rustonomicon/meet_unsafe.rs:13:17
[INFO] [stderr]   26:     0x55bf80d1db67 - rust_examples::rustonomicon::meet_unsafe::test::meet_unsafe::{{closure}}::hadcfb1e3b70b43aa
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rustonomicon/meet_unsafe.rs:11:21
[INFO] [stderr]   27:     0x55bf80d2b136 - core::ops::function::FnOnce::call_once::h492f54b6b0bc36e8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   28:     0x55bf80d7115b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   29:     0x55bf80d7115b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stderr]   30:     0x55bf80d70861 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stderr]   31:     0x55bf80d70861 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   32:     0x55bf80d70861 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   33:     0x55bf80d70861 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   34:     0x55bf80d70861 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   35:     0x55bf80d70861 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stderr]   36:     0x55bf80d70861 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stderr]   37:     0x55bf80d39224 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stderr]   38:     0x55bf80d39224 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   39:     0x55bf80d3dc52 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   40:     0x55bf80d3dc52 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   41:     0x55bf80d3dc52 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   42:     0x55bf80d3dc52 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   43:     0x55bf80d3dc52 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   44:     0x55bf80d3dc52 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   45:     0x55bf80d3dc52 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   46:     0x55bf80da003b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   47:     0x55bf80da003b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   48:     0x55bf80da003b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   49:     0x7fccdcb89ac3 - <unknown>
[INFO] [stderr]   50:     0x7fccdcc1aa04 - __clone
[INFO] [stderr]   51:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_examples-21c8c8d274c68700` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "78dd51384f9d2f3303e4411af98b4c119067e23cdfec49e99a0a39fd877ff73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dd51384f9d2f3303e4411af98b4c119067e23cdfec49e99a0a39fd877ff73d", kill_on_drop: false }`
[INFO] [stdout] 78dd51384f9d2f3303e4411af98b4c119067e23cdfec49e99a0a39fd877ff73d
[INFO] testing rust_examples-0.1.11 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate rust_examples 0.1.11 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rust_examples 0.1.11 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_examples 0.1.11
[INFO] finished tweaking crates.io crate rust_examples 0.1.11
[INFO] tweaked toml for crates.io crate rust_examples 0.1.11 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust_examples 0.1.11 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e352aca87f18dbf87e095d14c37520e6ee5604d8ea11751a896bbf9b3774e08
[INFO] running `Command { std: "docker" "start" "-a" "5e352aca87f18dbf87e095d14c37520e6ee5604d8ea11751a896bbf9b3774e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e352aca87f18dbf87e095d14c37520e6ee5604d8ea11751a896bbf9b3774e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e352aca87f18dbf87e095d14c37520e6ee5604d8ea11751a896bbf9b3774e08", kill_on_drop: false }`
[INFO] [stdout] 5e352aca87f18dbf87e095d14c37520e6ee5604d8ea11751a896bbf9b3774e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d23e887afd9c306ef5cd56e1fcea0395effa384ef31676c1d63a372e868dac
[INFO] running `Command { std: "docker" "start" "-a" "c9d23e887afd9c306ef5cd56e1fcea0395effa384ef31676c1d63a372e868dac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_examples v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_fifth.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct List<'a, T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/list_fifth.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a, T> List<'a, T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn pop(&'a mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn push_front(&mut self, element: T) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn front(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn back(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct IterMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 177 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_iter` is never used
[INFO] [stdout]    --> src/list_eighth.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 249 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CursorMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct CursorMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cursor_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 347 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:356:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | impl<'a, T> CursorMut<'a, T> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] 356 |     pub fn remove_current(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 |     pub fn move_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     pub fn move_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn current(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn peek_next(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 425 |     pub fn index(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 428 |     pub fn peek_prev(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 |     pub fn split_before(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 473 |     pub fn split_after(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     pub fn splice_before(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 536 |     pub fn splice_after(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_seventh.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = *mut Node<T>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct IntoIter<T>(List<T>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Iter<'a, T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IterMut<'a, T> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/list_seventh.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn iter(&mut self) -> Iter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arc` is never constructed
[INFO] [stdout]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Arc<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArcInner` is never constructed
[INFO] [stdout]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ArcInner<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Arc<T> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(data: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]  --> src/rustonomicon/meet_unsafe.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn index(idx: usize, arr: &[u8]) -> Option<u8> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr` is never used
[INFO] [stdout]  --> src/rustonomicon/memory.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn create_arr() -> [Box<i32>; 10] {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr_by_write` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn create_arr_by_write() -> [Box<i32>; 10] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/rustonomicon/memory.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Demo(bool, i32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec` is never constructed
[INFO] [stdout]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vec<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Vec<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn cap(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<T> RawValIter<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grow` and `new` are never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<T> RawVec<T> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 211 |     fn grow(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn new() -> RawVec<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/silly1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/silly1.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn push_left(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push_right(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn pop_left(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn pop_right(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn peek_left(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn peek_right(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn go_left(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const size: usize = 10;
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const size: usize = 10;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` should have a snake case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "c9d23e887afd9c306ef5cd56e1fcea0395effa384ef31676c1d63a372e868dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d23e887afd9c306ef5cd56e1fcea0395effa384ef31676c1d63a372e868dac", kill_on_drop: false }`
[INFO] [stdout] c9d23e887afd9c306ef5cd56e1fcea0395effa384ef31676c1d63a372e868dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7349aa498828fb766ee064413e54cf53da9dc3fdf5ddf21d8d2f09026fcdc2ce
[INFO] running `Command { std: "docker" "start" "-a" "7349aa498828fb766ee064413e54cf53da9dc3fdf5ddf21d8d2f09026fcdc2ce", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_fifth.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_fifth.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct List<'a, T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/list_fifth.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a, T> List<'a, T> {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn pop(&'a mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn push_front(&mut self, element: T) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     pub fn front(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn back(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct IterMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 177 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_iter` is never used
[INFO] [stdout]    --> src/list_eighth.rs:249:12
[INFO] [stdout]     |
[INFO] [stdout] 248 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 249 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CursorMut` is never constructed
[INFO] [stdout]    --> src/list_eighth.rs:341:8
[INFO] [stdout]     |
[INFO] [stdout] 341 | struct CursorMut<'a, T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cursor_mut` is never used
[INFO] [stdout]    --> src/list_eighth.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 346 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] 347 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/list_eighth.rs:356:12
[INFO] [stdout]     |
[INFO] [stdout] 355 | impl<'a, T> CursorMut<'a, T> {
[INFO] [stdout]     | ---------------------------- methods in this implementation
[INFO] [stdout] 356 |     pub fn remove_current(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 379 |     pub fn move_next(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 395 |     pub fn move_prev(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn current(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn peek_next(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 425 |     pub fn index(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 428 |     pub fn peek_prev(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 |     pub fn split_before(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 473 |     pub fn split_after(&mut self) -> LinkedList<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     pub fn splice_before(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 536 |     pub fn splice_after(&mut self, mut input: LinkedList<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> src/list_seventh.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Link<T> = *mut Node<T>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/list_seventh.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct IntoIter<T>(List<T>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Iter<'a, T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterMut` is never constructed
[INFO] [stdout]   --> src/list_seventh.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IterMut<'a, T> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/list_seventh.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn iter(&mut self) -> Iter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arc` is never constructed
[INFO] [stdout]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Arc<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArcInner` is never constructed
[INFO] [stdout]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ArcInner<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Arc<T> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(data: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]  --> src/rustonomicon/meet_unsafe.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn index(idx: usize, arr: &[u8]) -> Option<u8> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr` is never used
[INFO] [stdout]  --> src/rustonomicon/memory.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn create_arr() -> [Box<i32>; 10] {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_arr_by_write` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn create_arr_by_write() -> [Box<i32>; 10] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/rustonomicon/memory.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Demo(bool, i32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` is never used
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec` is never constructed
[INFO] [stdout]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vec<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Vec<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn cap(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<T> RawValIter<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grow` and `new` are never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<T> RawVec<T> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 211 |     fn grow(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn new() -> RawVec<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/silly1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct List<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/silly1.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn push_left(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push_right(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn pop_left(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn pop_right(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn peek_left(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn peek_right(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn go_left(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_examples v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const size: usize = 10;
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const size: usize = 10;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` should have a snake case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let a: Option<&String> = str.as_deref();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let a: Option<&mut String> = str.as_deref_mut();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let a: &mut Box<String> = a;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> examples/option.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let a: Box<String> = a;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]   --> examples/macro_rules_five.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use std::iter;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> examples/macro_rules_five.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | mod test {
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_assign` is never used
[INFO] [stdout]   --> examples/macro_rules_five.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | op!(add_assign, Add, +=, add);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_assign` is never used
[INFO] [stdout]   --> examples/macro_rules_five.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | op!(mul_assign, Mul, *=, mul);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_assign` is never used
[INFO] [stdout]   --> examples/macro_rules_five.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | op!(sub_assign, Sub, -=, sub);
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/list_fifth.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a, T> List<'a, T> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/list_eighth.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arc` is never constructed
[INFO] [stdout]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Arc<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ArcInner` is never constructed
[INFO] [stdout]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ArcInner<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Arc<T> {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(data: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vec` is never constructed
[INFO] [stdout]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vec<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Vec<T> {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn cap(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl<T> RawValIter<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `grow` and `new` are never used
[INFO] [stdout]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | impl<T> RawVec<T> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 211 |     fn grow(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn new() -> RawVec<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_left_mut`, `peek_right_mut`, and `go_right` are never used
[INFO] [stdout]   --> src/silly1.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> List<T> {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const size: usize = 10;
[INFO] [stdout]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const size: usize = 10;
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDemo` should have a snake case name
[INFO] [stdout]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn createDemo() -> Demo {
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7349aa498828fb766ee064413e54cf53da9dc3fdf5ddf21d8d2f09026fcdc2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7349aa498828fb766ee064413e54cf53da9dc3fdf5ddf21d8d2f09026fcdc2ce", kill_on_drop: false }`
[INFO] [stdout] 7349aa498828fb766ee064413e54cf53da9dc3fdf5ddf21d8d2f09026fcdc2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 076ffa28d982f2bb8d34ebd3facbd5e4ffa1d0a68800735d8d150a3d7c54b328
[INFO] running `Command { std: "docker" "start" "-a" "076ffa28d982f2bb8d34ebd3facbd5e4ffa1d0a68800735d8d150a3d7c54b328", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/rustonomicon/vec.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         unsafe {
[INFO] [stderr]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/list_fifth.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Node<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]  --> src/list_fifth.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Link<T> = Option<Box<Node<T>>>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/list_fifth.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct List<'a, T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stderr]   --> src/list_fifth.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<'a, T> List<'a, T> {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn pop(&'a mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/list_eighth.rs:28:12
[INFO] [stderr]     |
[INFO] [stderr] 19  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 28  |     pub fn push_front(&mut self, element: T) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90  |     pub fn front(&self) -> Option<&T> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 93  |     pub fn back(&self) -> Option<&T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 96  |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99  |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IterMut` is never constructed
[INFO] [stderr]    --> src/list_eighth.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 | struct IterMut<'a, T> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `iter_mut` is never used
[INFO] [stderr]    --> src/list_eighth.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 176 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 177 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_iter` is never used
[INFO] [stderr]    --> src/list_eighth.rs:249:12
[INFO] [stderr]     |
[INFO] [stderr] 248 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 249 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CursorMut` is never constructed
[INFO] [stderr]    --> src/list_eighth.rs:341:8
[INFO] [stderr]     |
[INFO] [stderr] 341 | struct CursorMut<'a, T> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cursor_mut` is never used
[INFO] [stderr]    --> src/list_eighth.rs:347:12
[INFO] [stderr]     |
[INFO] [stderr] 346 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] 347 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/list_eighth.rs:356:12
[INFO] [stderr]     |
[INFO] [stderr] 355 | impl<'a, T> CursorMut<'a, T> {
[INFO] [stderr]     | ---------------------------- methods in this implementation
[INFO] [stderr] 356 |     pub fn remove_current(&mut self) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 379 |     pub fn move_next(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 395 |     pub fn move_prev(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 411 |     pub fn current(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 415 |     pub fn peek_next(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 425 |     pub fn index(&self) -> Option<usize> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 428 |     pub fn peek_prev(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 438 |     pub fn split_before(&mut self) -> LinkedList<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 473 |     pub fn split_after(&mut self) -> LinkedList<T> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 505 |     pub fn splice_before(&mut self, mut input: LinkedList<T>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 536 |     pub fn splice_after(&mut self, mut input: LinkedList<T>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/list_seventh.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct List<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]  --> src/list_seventh.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Link<T> = *mut Node<T>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/list_seventh.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Node<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IntoIter` is never constructed
[INFO] [stderr]   --> src/list_seventh.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct IntoIter<T>(List<T>);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Iter` is never constructed
[INFO] [stderr]   --> src/list_seventh.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Iter<'a, T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IterMut` is never constructed
[INFO] [stderr]   --> src/list_seventh.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct IterMut<'a, T> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/list_seventh.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> List<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 18 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn push(&mut self, element: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn iter(&mut self) -> Iter<T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Arc` is never constructed
[INFO] [stderr]  --> src/rustonomicon/arc.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Arc<T> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ArcInner` is never constructed
[INFO] [stderr]   --> src/rustonomicon/arc.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct ArcInner<T> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/rustonomicon/arc.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> Arc<T> {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 18 |     pub fn new(data: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `index` is never used
[INFO] [stderr]  --> src/rustonomicon/meet_unsafe.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn index(idx: usize, arr: &[u8]) -> Option<u8> {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_arr` is never used
[INFO] [stderr]  --> src/rustonomicon/memory.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn create_arr() -> [Box<i32>; 10] {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_arr_by_write` is never used
[INFO] [stderr]   --> src/rustonomicon/memory.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn create_arr_by_write() -> [Box<i32>; 10] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Demo` is never constructed
[INFO] [stderr]   --> src/rustonomicon/memory.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Demo(bool, i32);
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `createDemo` is never used
[INFO] [stderr]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn createDemo() -> Demo {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vec` is never constructed
[INFO] [stderr]  --> src/rustonomicon/vec.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Vec<T> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/rustonomicon/vec.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> Vec<T> {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn cap(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn ptr(&self) -> *mut T {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn push(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn insert(&mut self, index: usize, elem: T) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn remove(&mut self, index: usize) -> T {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/rustonomicon/vec.rs:104:15
[INFO] [stderr]     |
[INFO] [stderr] 103 | impl<T> RawValIter<T> {
[INFO] [stderr]     | --------------------- associated function in this implementation
[INFO] [stderr] 104 |     unsafe fn new(slice: &[T]) -> RawValIter<T> {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `grow` and `new` are never used
[INFO] [stderr]    --> src/rustonomicon/vec.rs:211:8
[INFO] [stderr]     |
[INFO] [stderr] 210 | impl<T> RawVec<T> {
[INFO] [stderr]     | ----------------- associated items in this implementation
[INFO] [stderr] 211 |     fn grow(&mut self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 232 |     fn new() -> RawVec<T> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/silly1.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct List<T> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/silly1.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> List<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn push_left(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn push_right(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn pop_left(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn pop_right(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn peek_left(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn peek_right(&self) -> Option<&T> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn go_left(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/rustonomicon/arc.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             Box::from_raw(self.ptr.as_ptr());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 61 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: constant `size` should have an upper case name
[INFO] [stderr]  --> src/rustonomicon/memory.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const size: usize = 10;
[INFO] [stderr]   |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `size` should have an upper case name
[INFO] [stderr]   --> src/rustonomicon/memory.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |     const size: usize = 10;
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: function `createDemo` should have a snake case name
[INFO] [stderr]   --> src/rustonomicon/memory.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn createDemo() -> Demo {
[INFO] [stderr]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_demo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (lib) generated 37 warnings
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let a: Option<&String> = str.as_deref();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let a: Option<&mut String> = str.as_deref_mut();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let a: &mut Box<String> = a;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> examples/option.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let a: Box<String> = a;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (example "option") generated 4 warnings
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]   --> examples/macro_rules_five.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use std::iter;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> examples/macro_rules_five.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | mod test {
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_assign` is never used
[INFO] [stderr]   --> examples/macro_rules_five.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | op!(add_assign, Add, +=, add);
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul_assign` is never used
[INFO] [stderr]   --> examples/macro_rules_five.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | op!(mul_assign, Mul, *=, mul);
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub_assign` is never used
[INFO] [stderr]   --> examples/macro_rules_five.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | op!(sub_assign, Sub, -=, sub);
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (example "macro_rules_five") generated 4 warnings (run `cargo fix --example "macro_rules_five"` to apply 1 suggestion)
[INFO] [stderr] warning: method `push` is never used
[INFO] [stderr]   --> src/list_fifth.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<'a, T> List<'a, T> {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn push(&'a mut self, element: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]    --> src/list_eighth.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 19  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 108 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `peek_left_mut`, `peek_right_mut`, and `go_right` are never used
[INFO] [stderr]   --> src/silly1.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> List<T> {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn peek_left_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn peek_right_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn go_right(&mut self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_examples` (lib test) generated 15 warnings (12 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/rust_examples-21c8c8d274c68700)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test list_eighth::test::test_basic ... ok
[INFO] [stdout] test list_eighth::test::test_cursor_mut_insert ... ok
[INFO] [stdout] test list_eighth::test::test_basic_front ... ok
[INFO] [stdout] test list_eighth::test::test_debug ... ok
[INFO] [stdout] test list_eighth::test::test_cursor_move_peek ... ok
[INFO] [stdout] test list_eighth::test::test_eq ... ok
[INFO] [stdout] test list_eighth::test::test_hashmap ... ok
[INFO] [stdout] test list_eighth::test::test_iterator ... ok
[INFO] [stdout] test list_eighth::test::test_iterator_double_end ... ok
[INFO] [stdout] test list_eighth::test::test_rev_iter ... ok
[INFO] [stdout] test list_eighth::test::test_iterator_mut_double_end ... ok
[INFO] [stdout] test list_eighth::test::test_ord ... ok
[INFO] [stdout] test list_eighth::test::test_ord_nan ... ok
[INFO] [stdout] test list_eighth::test::test_mut_iter ... ok
[INFO] [stdout] test list_fourth::test::peek ... ok
[INFO] [stdout] test list_fifth::test::basics ... ok
[INFO] [stdout] test list_second::test::iter ... ok
[INFO] [stdout] test list_first::test::basics ... ok
[INFO] [stdout] test list_second::test::basics ... ok
[INFO] [stdout] test list_seventh::test::basics ... ok
[INFO] [stdout] test list_seventh::test::iter ... ok
[INFO] [stdout] test list_seventh::test::iter_mut ... ok
[INFO] [stdout] test list_seventh::test::into_iter ... ok
[INFO] [stdout] test list_third::test::basics ... ok
[INFO] [stderr] thread 'rustonomicon::meet_unsafe::test::meet_unsafe' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560bd03fa0f5 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x560bd03fa0f5 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x560bd03fa0f5 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x560bd03fa0f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x560bd04208fb - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x560bd04208fb - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x560bd03f792f - std::io::Write::write_fmt::h456b7988df61daf3
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x560bd03f9ece - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x560bd03f9ece - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x560bd03fb839 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stderr]   10:     0x560bd03fb608 - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x560bd03cc84f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x560bd03cc84f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x560bd03fbe3b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x560bd03fbe3b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x560bd03fbb7b - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x560bd03fa5b9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x560bd03fb8e7 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x560bd0366950 - core::panicking::panic_nounwind_fmt::runtime::h5a694fc2dbb2d2f2
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x560bd0366950 - core::panicking::panic_nounwind_fmt::hdd1d11fcfd7ed294
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x560bd03669e2 - core::panicking::panic_nounwind::h8259b34807f64d0c
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x560bd0391db8 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h70aa13f3017dff2d
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x560bd0391d63 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h8a72007baa31898f
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x560bd03905d8 - core::slice::<impl [T]>::get_unchecked::h6264ada152a63939
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/slice/mod.rs:686:20
[INFO] [stderr]   24:     0x560bd038e202 - rust_examples::rustonomicon::meet_unsafe::index::hbfa7ecdfa3b3da14
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rustonomicon/meet_unsafe.rs:3:20
[INFO] [stderr]   25:     0x560bd0379704 - rust_examples::rustonomicon::meet_unsafe::test::meet_unsafe::hfaaad0ef109310d8
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rustonomicon/meet_unsafe.rs:13:17
[INFO] [stderr]   26:     0x560bd03796d7 - rust_examples::rustonomicon::meet_unsafe::test::meet_unsafe::{{closure}}::hfbd99ffeb7d79c9f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rustonomicon/meet_unsafe.rs:11:21
[INFO] [stderr]   27:     0x560bd037b266 - core::ops::function::FnOnce::call_once::hf5b35965cffe0c65
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   28:     0x560bd03d116b - core::ops::function::FnOnce::call_once::h18c6bf92212b87a4
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   29:     0x560bd03d116b - test::__rust_begin_short_backtrace::hdcf0edcfa9080086
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:625:18
[INFO] [stderr]   30:     0x560bd03d0831 - test::run_test_in_process::{{closure}}::heac2c4eb375d2d10
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:60
[INFO] [stderr]   31:     0x560bd03d0831 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0289bafc8a1cc004
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   32:     0x560bd03d0831 - std::panicking::try::do_call::h5e158f1ad8a5f983
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stderr]   33:     0x560bd03d0831 - std::panicking::try::hea3411d60321c4de
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stderr]   34:     0x560bd03d0831 - std::panic::catch_unwind::hafb7bb18bc47bbc7
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stderr]   35:     0x560bd03d0831 - test::run_test_in_process::h74dd138dc7762d99
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:648:27
[INFO] [stderr]   36:     0x560bd03d0831 - test::run_test::{{closure}}::h6b390822e63606cf
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:569:43
[INFO] [stderr]   37:     0x560bd0399204 - test::run_test::{{closure}}::h6e11dba8131d354b
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:599:41
[INFO] [stderr]   38:     0x560bd0399204 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha71b3541b59bdbbb
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   39:     0x560bd039dcd2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hef92127c5ef9e53c
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   40:     0x560bd039dcd2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h859c109f9d11c92b
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   41:     0x560bd039dcd2 - std::panicking::try::do_call::hbf534c458cd858f0
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stderr]   42:     0x560bd039dcd2 - std::panicking::try::h65c18365a7b9ad90
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stderr]   43:     0x560bd039dcd2 - std::panic::catch_unwind::h21b25d4c69478c39
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stderr]   44:     0x560bd039dcd2 - std::thread::Builder::spawn_unchecked_::{{closure}}::h23335f620275a9bf
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   45:     0x560bd039dcd2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb491dc55513e9b7c
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   46:     0x560bd040000b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   47:     0x560bd040000b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   48:     0x560bd040000b - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   49:     0x7f93a6b80ac3 - <unknown>
[INFO] [stderr]   50:     0x7f93a6c11a04 - __clone
[INFO] [stderr]   51:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_examples-21c8c8d274c68700` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "076ffa28d982f2bb8d34ebd3facbd5e4ffa1d0a68800735d8d150a3d7c54b328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076ffa28d982f2bb8d34ebd3facbd5e4ffa1d0a68800735d8d150a3d7c54b328", kill_on_drop: false }`
[INFO] [stdout] 076ffa28d982f2bb8d34ebd3facbd5e4ffa1d0a68800735d8d150a3d7c54b328
