[INFO] cloning repository https://github.com/kristopherbullinger/tokenizers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kristopherbullinger/tokenizers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Ftokenizers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Ftokenizers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f45806b149f71c5d757b45cfe8e211595e985b3c
[INFO] testing kristopherbullinger/tokenizers against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Ftokenizers" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kristopherbullinger/tokenizers
[INFO] finished tweaking git repo https://github.com/kristopherbullinger/tokenizers
[INFO] tweaked toml for git repo https://github.com/kristopherbullinger/tokenizers written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kristopherbullinger/tokenizers on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kristopherbullinger/tokenizers 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b38460def3e01a1e5f9bf22d2e3e43cbc10f43c2008fdc7115fe4e2ee88fc5
[INFO] running `Command { std: "docker" "start" "-a" "f6b38460def3e01a1e5f9bf22d2e3e43cbc10f43c2008fdc7115fe4e2ee88fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b38460def3e01a1e5f9bf22d2e3e43cbc10f43c2008fdc7115fe4e2ee88fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b38460def3e01a1e5f9bf22d2e3e43cbc10f43c2008fdc7115fe4e2ee88fc5", kill_on_drop: false }`
[INFO] [stdout] f6b38460def3e01a1e5f9bf22d2e3e43cbc10f43c2008fdc7115fe4e2ee88fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d8309c0ec67ec7bff6ca0e775c8744074d12bcbe84bd9da6fe690fdd2682b6
[INFO] running `Command { std: "docker" "start" "-a" "09d8309c0ec67ec7bff6ca0e775c8744074d12bcbe84bd9da6fe690fdd2682b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling gelato-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linked_list.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut penultimate_node = self.get_node_mut(self.len - 2).unwrap(); //annoying variable name
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linked_list.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let mut node = match self.get_node_mut(n - 1) {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_list.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let mut out = self.node?;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `language` and `token_matchers` are never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LanguageConfig {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 10 |     language: Language,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     token_matchers: Vec<Matcher>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `patterns` are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Matcher {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 16 |     token_type: TokenType,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     patterns: Vec<Regex>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `language_config` are never read
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct Tokenizer<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 117 |     source: &'a str,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 118 |     language_config: LanguageConfig,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedList` is never constructed
[INFO] [stdout]  --> src/linked_list.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LinkedList<T> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/linked_list.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Node<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `into_inner`, `inner`, and `inner_mut` are never used
[INFO] [stdout]   --> src/linked_list.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn into_inner(self) -> T {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn inner(&self) -> &T {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn inner_mut(&mut self) -> &mut T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/linked_list.rs:35:12
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]  35 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     fn pop_node_front(&mut self) -> Option<Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     pub fn pop_front(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     fn pop_node_back(&mut self) -> Option<Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub fn pop_back(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn push_node_front(&mut self, mut new_head: Box<Node<T>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn push_front(&mut self, value: T) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn insert(&mut self, value: T, n: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn get_node(&self, n: usize) -> Option<&Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn get(&self, n: usize) -> Option<&T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn get_node_mut(&mut self, n: usize) -> Option<&mut Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn get_mut(&mut self, n: usize) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn push_back(&mut self, value: T) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn head_node(&self) -> Option<&Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn head(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     fn tail_node(&self) -> Option<&Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn tail(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn get_tail_node_mut(&mut self) -> Option<&mut Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn tail_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn reverse(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> src/linked_list.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct Iter<'a, T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/linked_list.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "09d8309c0ec67ec7bff6ca0e775c8744074d12bcbe84bd9da6fe690fdd2682b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d8309c0ec67ec7bff6ca0e775c8744074d12bcbe84bd9da6fe690fdd2682b6", kill_on_drop: false }`
[INFO] [stdout] 09d8309c0ec67ec7bff6ca0e775c8744074d12bcbe84bd9da6fe690fdd2682b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b597c1a377d8146a6978f35fb5fc10dd33e1428d81f895165a7d991b7419bf
[INFO] running `Command { std: "docker" "start" "-a" "41b597c1a377d8146a6978f35fb5fc10dd33e1428d81f895165a7d991b7419bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling gelato-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linked_list.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut penultimate_node = self.get_node_mut(self.len - 2).unwrap(); //annoying variable name
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linked_list.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let mut node = match self.get_node_mut(n - 1) {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_list.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let mut out = self.node?;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `language` and `token_matchers` are never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LanguageConfig {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 10 |     language: Language,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     token_matchers: Vec<Matcher>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `patterns` are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Matcher {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 16 |     token_type: TokenType,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     patterns: Vec<Regex>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `language_config` are never read
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct Tokenizer<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 117 |     source: &'a str,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 118 |     language_config: LanguageConfig,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedList` is never constructed
[INFO] [stdout]  --> src/linked_list.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LinkedList<T> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/linked_list.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Node<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `into_inner`, `inner`, and `inner_mut` are never used
[INFO] [stdout]   --> src/linked_list.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn into_inner(self) -> T {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn inner(&self) -> &T {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn inner_mut(&mut self) -> &mut T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/linked_list.rs:35:12
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]  35 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     fn pop_node_front(&mut self) -> Option<Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     pub fn pop_front(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  53 |     fn pop_node_back(&mut self) -> Option<Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  62 |     pub fn pop_back(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn push_node_front(&mut self, mut new_head: Box<Node<T>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn push_front(&mut self, value: T) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |     pub fn insert(&mut self, value: T, n: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn get_node(&self, n: usize) -> Option<&Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn get(&self, n: usize) -> Option<&T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn get_node_mut(&mut self, n: usize) -> Option<&mut Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn get_mut(&mut self, n: usize) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn push_back(&mut self, value: T) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn head_node(&self) -> Option<&Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn head(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     fn tail_node(&self) -> Option<&Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn tail(&self) -> Option<&T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn get_tail_node_mut(&mut self) -> Option<&mut Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn tail_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn reverse(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> src/linked_list.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct Iter<'a, T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntoIter` is never constructed
[INFO] [stdout]    --> src/linked_list.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct IntoIter<T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linked_list.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut penultimate_node = self.get_node_mut(self.len - 2).unwrap(); //annoying variable name
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/linked_list.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 let mut node = match self.get_node_mut(n - 1) {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/linked_list.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let mut out = self.node?;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `language` and `token_matchers` are never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct LanguageConfig {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 10 |     language: Language,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     token_matchers: Vec<Matcher>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `patterns` are never read
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Matcher {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 16 |     token_type: TokenType,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 17 |     patterns: Vec<Regex>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source` and `language_config` are never read
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct Tokenizer<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 117 |     source: &'a str,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 118 |     language_config: LanguageConfig,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner_mut` is never used
[INFO] [stdout]   --> src/linked_list.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn inner_mut(&mut self) -> &mut T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_mut`, `get_tail_node_mut`, and `tail_mut` are never used
[INFO] [stdout]    --> src/linked_list.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn get_mut(&mut self, n: usize) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn get_tail_node_mut(&mut self) -> Option<&mut Box<Node<T>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn tail_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "41b597c1a377d8146a6978f35fb5fc10dd33e1428d81f895165a7d991b7419bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b597c1a377d8146a6978f35fb5fc10dd33e1428d81f895165a7d991b7419bf", kill_on_drop: false }`
[INFO] [stdout] 41b597c1a377d8146a6978f35fb5fc10dd33e1428d81f895165a7d991b7419bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef387ea021a49e954bce5ffe0c3f53e6486d2ee9180b4a9e17c60fa9e2e3c1b5
[INFO] running `Command { std: "docker" "start" "-a" "ef387ea021a49e954bce5ffe0c3f53e6486d2ee9180b4a9e17c60fa9e2e3c1b5", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/linked_list.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut penultimate_node = self.get_node_mut(self.len - 2).unwrap(); //annoying variable name
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/linked_list.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let mut node = match self.get_node_mut(n - 1) {
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linked_list.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let mut out = self.node?;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `language` and `token_matchers` are never read
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct LanguageConfig {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 10 |     language: Language,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 11 |     token_matchers: Vec<Matcher>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `token_type` and `patterns` are never read
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Matcher {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 16 |     token_type: TokenType,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 17 |     patterns: Vec<Regex>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `source` and `language_config` are never read
[INFO] [stderr]    --> src/lib.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub struct Tokenizer<'a> {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 117 |     source: &'a str,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 118 |     language_config: LanguageConfig,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LinkedList` is never constructed
[INFO] [stderr]  --> src/linked_list.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct LinkedList<T> {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/linked_list.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Node<T> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `into_inner`, `inner`, and `inner_mut` are never used
[INFO] [stderr]   --> src/linked_list.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> Node<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new(value: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     fn into_inner(self) -> T {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn inner(&self) -> &T {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     fn inner_mut(&mut self) -> &mut T {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/linked_list.rs:35:12
[INFO] [stderr]     |
[INFO] [stderr]  34 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- associated items in this implementation
[INFO] [stderr]  35 |     pub fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  42 |     fn pop_node_front(&mut self) -> Option<Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  49 |     pub fn pop_front(&mut self) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  53 |     fn pop_node_back(&mut self) -> Option<Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  62 |     pub fn pop_back(&mut self) -> Option<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  66 |     fn push_node_front(&mut self, mut new_head: Box<Node<T>>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  73 |     pub fn push_front(&mut self, value: T) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  83 |     pub fn insert(&mut self, value: T, n: usize) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 103 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 107 |     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 113 |     fn get_node(&self, n: usize) -> Option<&Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 124 |     pub fn get(&self, n: usize) -> Option<&T> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 |     fn get_node_mut(&mut self, n: usize) -> Option<&mut Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |     pub fn get_mut(&mut self, n: usize) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 143 |     pub fn push_back(&mut self, value: T) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |     fn head_node(&self) -> Option<&Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 157 |     pub fn head(&self) -> Option<&T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 161 |     fn tail_node(&self) -> Option<&Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 165 |     pub fn tail(&self) -> Option<&T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 169 |     fn get_tail_node_mut(&mut self) -> Option<&mut Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     pub fn tail_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 |     pub fn reverse(&mut self) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Iter` is never constructed
[INFO] [stderr]    --> src/linked_list.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 | pub struct Iter<'a, T> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IntoIter` is never constructed
[INFO] [stderr]    --> src/linked_list.rs:206:12
[INFO] [stderr]     |
[INFO] [stderr] 206 | pub struct IntoIter<T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `inner_mut` is never used
[INFO] [stderr]   --> src/linked_list.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<T> Node<T> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     fn inner_mut(&mut self) -> &mut T {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_mut`, `get_tail_node_mut`, and `tail_mut` are never used
[INFO] [stderr]    --> src/linked_list.rs:139:12
[INFO] [stderr]     |
[INFO] [stderr]  34 | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 139 |     pub fn get_mut(&mut self, n: usize) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 169 |     fn get_tail_node_mut(&mut self) -> Option<&mut Box<Node<T>>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     pub fn tail_mut(&mut self) -> Option<&mut T> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gelato-rs` (lib) generated 12 warnings (run `cargo fix --lib -p gelato-rs` to apply 3 suggestions)
[INFO] [stderr] warning: `gelato-rs` (lib test) generated 8 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gelato_rs-94d09c1bade23507)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test linked_list::tests::can_create_from_iter ... ok
[INFO] [stdout] test linked_list::tests::can_into_iter ... ok
[INFO] [stdout] test linked_list::tests::can_push_front ... ok
[INFO] [stdout] test linked_list::tests::inserting_increments_length_by_one ... ok
[INFO] [stdout] test linked_list::tests::pop_front_and_back_decr_length_by_one ... ok
[INFO] [stdout] test linked_list::tests::can_push_back ... ok
[INFO] [stdout] test linked_list::tests::can_insert_into_middle ... ok
[INFO] [stdout] test linked_list::tests::similar_lists_compare_equal ... ok
[INFO] [stdout] test linked_list::tests::can_reverse ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- linked_list::tests::can_reverse stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'linked_list::tests::can_reverse' (30) panicked at src/linked_list.rs:335:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: LinkedList { head: Some(Node { value: 99, next: Some(Node { value: 98, next: Some(Node { value: 97, next: Some(Node { value: 96, next: Some(Node { value: 95, next: Some(Node { value: 94, next: Some(Node { value: 93, next: Some(Node { value: 92, next: Some(Node { value: 91, next: Some(Node { value: 90, next: Some(Node { value: 89, next: Some(Node { value: 88, next: Some(Node { value: 87, next: Some(Node { value: 86, next: Some(Node { value: 85, next: Some(Node { value: 84, next: Some(Node { value: 83, next: Some(Node { value: 82, next: Some(Node { value: 81, next: Some(Node { value: 80, next: Some(Node { value: 79, next: Some(Node { value: 78, next: Some(Node { value: 77, next: Some(Node { value: 76, next: Some(Node { value: 75, next: Some(Node { value: 74, next: Some(Node { value: 73, next: Some(Node { value: 72, next: Some(Node { value: 71, next: Some(Node { value: 70, next: Some(Node { value: 69, next: Some(Node { value: 68, next: Some(Node { value: 67, next: Some(Node { value: 66, next: Some(Node { value: 65, next: Some(Node { value: 64, next: Some(Node { value: 63, next: Some(Node { value: 62, next: Some(Node { value: 61, next: Some(Node { value: 60, next: Some(Node { value: 59, next: Some(Node { value: 58, next: Some(Node { value: 57, next: Some(Node { value: 56, next: Some(Node { value: 55, next: Some(Node { value: 54, next: Some(Node { value: 53, next: Some(Node { value: 52, next: Some(Node { value: 51, next: Some(Node { value: 50, next: Some(Node { value: 49, next: Some(Node { value: 48, next: Some(Node { value: 47, next: Some(Node { value: 46, next: Some(Node { value: 45, next: Some(Node { value: 44, next: Some(Node { value: 43, next: Some(Node { value: 42, next: Some(Node { value: 41, next: Some(Node { value: 40, next: Some(Node { value: 39, next: Some(Node { value: 38, next: Some(Node { value: 37, next: Some(Node { value: 36, next: Some(Node { value: 35, next: Some(Node { value: 34, next: Some(Node { value: 33, next: Some(Node { value: 32, next: Some(Node { value: 31, next: Some(Node { value: 30, next: Some(Node { value: 29, next: Some(Node { value: 28, next: Some(Node { value: 27, next: Some(Node { value: 26, next: Some(Node { value: 25, next: Some(Node { value: 24, next: Some(Node { value: 23, next: Some(Node { value: 22, next: Some(Node { value: 21, next: Some(Node { value: 20, next: Some(Node { value: 19, next: Some(Node { value: 18, next: Some(Node { value: 17, next: Some(Node { value: 16, next: Some(Node { value: 15, next: Some(Node { value: 14, next: Some(Node { value: 13, next: Some(Node { value: 12, next: Some(Node { value: 11, next: Some(Node { value: 10, next: Some(Node { value: 9, next: Some(Node { value: 8, next: Some(Node { value: 7, next: Some(Node { value: 6, next: Some(Node { value: 5, next: Some(Node { value: 4, next: Some(Node { value: 3, next: Some(Node { value: 2, next: Some(Node { value: 1, next: Some(Node { value: 0, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }), len: 100 }
[INFO] [stdout]  right: LinkedList { head: Some(Node { value: 0, next: Some(Node { value: 1, next: Some(Node { value: 2, next: Some(Node { value: 3, next: Some(Node { value: 4, next: Some(Node { value: 5, next: Some(Node { value: 6, next: Some(Node { value: 7, next: Some(Node { value: 8, next: Some(Node { value: 9, next: Some(Node { value: 10, next: Some(Node { value: 11, next: Some(Node { value: 12, next: Some(Node { value: 13, next: Some(Node { value: 14, next: Some(Node { value: 15, next: Some(Node { value: 16, next: Some(Node { value: 17, next: Some(Node { value: 18, next: Some(Node { value: 19, next: Some(Node { value: 20, next: Some(Node { value: 21, next: Some(Node { value: 22, next: Some(Node { value: 23, next: Some(Node { value: 24, next: Some(Node { value: 25, next: Some(Node { value: 26, next: Some(Node { value: 27, next: Some(Node { value: 28, next: Some(Node { value: 29, next: Some(Node { value: 30, next: Some(Node { value: 31, next: Some(Node { value: 32, next: Some(Node { value: 33, next: Some(Node { value: 34, next: Some(Node { value: 35, next: Some(Node { value: 36, next: Some(Node { value: 37, next: Some(Node { value: 38, next: Some(Node { value: 39, next: Some(Node { value: 40, next: Some(Node { value: 41, next: Some(Node { value: 42, next: Some(Node { value: 43, next: Some(Node { value: 44, next: Some(Node { value: 45, next: Some(Node { value: 46, next: Some(Node { value: 47, next: Some(Node { value: 48, next: Some(Node { value: 49, next: Some(Node { value: 50, next: Some(Node { value: 51, next: Some(Node { value: 52, next: Some(Node { value: 53, next: Some(Node { value: 54, next: Some(Node { value: 55, next: Some(Node { value: 56, next: Some(Node { value: 57, next: Some(Node { value: 58, next: Some(Node { value: 59, next: Some(Node { value: 60, next: Some(Node { value: 61, next: Some(Node { value: 62, next: Some(Node { value: 63, next: Some(Node { value: 64, next: Some(Node { value: 65, next: Some(Node { value: 66, next: Some(Node { value: 67, next: Some(Node { value: 68, next: Some(Node { value: 69, next: Some(Node { value: 70, next: Some(Node { value: 71, next: Some(Node { value: 72, next: Some(Node { value: 73, next: Some(Node { value: 74, next: Some(Node { value: 75, next: Some(Node { value: 76, next: Some(Node { value: 77, next: Some(Node { value: 78, next: Some(Node { value: 79, next: Some(Node { value: 80, next: Some(Node { value: 81, next: Some(Node { value: 82, next: Some(Node { value: 83, next: Some(Node { value: 84, next: Some(Node { value: 85, next: Some(Node { value: 86, next: Some(Node { value: 87, next: Some(Node { value: 88, next: Some(Node { value: 89, next: Some(Node { value: 90, next: Some(Node { value: 91, next: Some(Node { value: 92, next: Some(Node { value: 93, next: Some(Node { value: 94, next: Some(Node { value: 95, next: Some(Node { value: 96, next: Some(Node { value: 97, next: Some(Node { value: 98, next: Some(Node { value: 99, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }), len: 100 }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60ecfb720cf2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60ecfb720cf2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60ecfb720cf2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60ecfb720cf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60ecfb730b3f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x60ecfb730b3f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x60ecfb6ee693 - std::io::default_write_fmt::haffd49d96f1984a8
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60ecfb6ee693 - std::io::Write::write_fmt::h027871c57cf57c01
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x60ecfb6fa562 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60ecfb6ff03f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x60ecfb6feed1 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x60ecfb6c0f0e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd0ee8b569efc6a07
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x60ecfb6c0f0e - test::test_main_with_exit_callback::{{closure}}::hf10864b576ecd15d
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60ecfb6ff64f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a55ca34534c0d00
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x60ecfb6ff64f - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x60ecfb6ff4aa - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x60ecfb6fa699 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x60ecfb6e2f8d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x60ecfb738400 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60ecfb738203 - core::panicking::assert_failed_inner::hdcc703ae7c807131
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x60ecfb69c003 - core::panicking::assert_failed::h0e3ee3cd54ac6753
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x60ecfb69f844 - gelato_rs::linked_list::tests::can_reverse::hb135d555e8d3c16c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linked_list.rs:335:9
[INFO] [stdout]   22:     0x60ecfb69f897 - gelato_rs::linked_list::tests::can_reverse::{{closure}}::h165670e0594f6399
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linked_list.rs:328:21
[INFO] [stdout]   23:     0x60ecfb69ad86 - core::ops::function::FnOnce::call_once::h42c007218c4a4f83
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60ecfb6c0ceb - core::ops::function::FnOnce::call_once::ha729ee35d2fab541
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60ecfb6c0ceb - test::__rust_begin_short_backtrace::ha40f4db8207e1111
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x60ecfb6d4d6d - test::run_test_in_process::{{closure}}::hc1b77cda5d44f0f3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x60ecfb6d4d6d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1dbea1de64785521
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x60ecfb6d4d6d - std::panicking::catch_unwind::do_call::hd5febe9affd5a1b3
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x60ecfb6d4d6d - std::panicking::catch_unwind::h51ea89627559b6f4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x60ecfb6d4d6d - std::panic::catch_unwind::hb8b8c2367cae3d66
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60ecfb6d4d6d - test::run_test_in_process::ha5b55801407ea100
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x60ecfb6d4d6d - test::run_test::{{closure}}::h0b9d4072b527abf5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x60ecfb6ae284 - test::run_test::{{closure}}::hb1056b5731205822
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x60ecfb6ae284 - std::sys::backtrace::__rust_begin_short_backtrace::hb61ff5a34023c7ef
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x60ecfb6b1bba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb0a83c0e8b353cff
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x60ecfb6b1bba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb4f32cb008535298
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x60ecfb6b1bba - std::panicking::catch_unwind::do_call::h16d110e4fc35789a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x60ecfb6b1bba - std::panicking::catch_unwind::hea9118f355699c4b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x60ecfb6b1bba - std::panic::catch_unwind::hf4b3c2a06d3f42f5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60ecfb6b1bba - std::thread::Builder::spawn_unchecked_::{{closure}}::h3f4cb733a52d53d5
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x60ecfb6b1bba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4052f0967b37caeb
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60ecfb6f5a9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ec433abd3f148b4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x60ecfb6f5a9f - std::sys::thread::unix::Thread::new::thread_start::he514622d3d7ba65c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x741344deaaa4 - <unknown>
[INFO] [stdout]   45:     0x741344e77a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     linked_list::tests::can_reverse
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ef387ea021a49e954bce5ffe0c3f53e6486d2ee9180b4a9e17c60fa9e2e3c1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef387ea021a49e954bce5ffe0c3f53e6486d2ee9180b4a9e17c60fa9e2e3c1b5", kill_on_drop: false }`
[INFO] [stdout] ef387ea021a49e954bce5ffe0c3f53e6486d2ee9180b4a9e17c60fa9e2e3c1b5
