[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 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Ftokenizers" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kristopherbullinger/tokenizers on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a098ef9ec2af404ec1df43401f8e486a22ee4c88deb00899669a7d77bb98fa0
[INFO] running `Command { std: "docker" "start" "-a" "6a098ef9ec2af404ec1df43401f8e486a22ee4c88deb00899669a7d77bb98fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a098ef9ec2af404ec1df43401f8e486a22ee4c88deb00899669a7d77bb98fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a098ef9ec2af404ec1df43401f8e486a22ee4c88deb00899669a7d77bb98fa0", kill_on_drop: false }`
[INFO] [stdout] 6a098ef9ec2af404ec1df43401f8e486a22ee4c88deb00899669a7d77bb98fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c85b4beb908e9738a1afff9b5a122a499bfa392e319e1e49747c28ea91118919
[INFO] running `Command { std: "docker" "start" "-a" "c85b4beb908e9738a1afff9b5a122a499bfa392e319e1e49747c28ea91118919", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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)]` 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)]` 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: multiple methods are never used
[INFO] [stdout]    --> src/linked_list.rs:53:8
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[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] 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] 181 |     pub fn reverse(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "c85b4beb908e9738a1afff9b5a122a499bfa392e319e1e49747c28ea91118919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85b4beb908e9738a1afff9b5a122a499bfa392e319e1e49747c28ea91118919", kill_on_drop: false }`
[INFO] [stdout] c85b4beb908e9738a1afff9b5a122a499bfa392e319e1e49747c28ea91118919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf7f56cf07af62c3c525e4ca864be2244eb0b0192780062365478de97dc048b2
[INFO] running `Command { std: "docker" "start" "-a" "bf7f56cf07af62c3c525e4ca864be2244eb0b0192780062365478de97dc048b2", kill_on_drop: false }`
[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)]` 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)]` 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] [stderr]    Compiling gelato-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/linked_list.rs:53:8
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[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] 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] 181 |     pub fn reverse(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[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)]` 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)]` 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] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "bf7f56cf07af62c3c525e4ca864be2244eb0b0192780062365478de97dc048b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7f56cf07af62c3c525e4ca864be2244eb0b0192780062365478de97dc048b2", kill_on_drop: false }`
[INFO] [stdout] bf7f56cf07af62c3c525e4ca864be2244eb0b0192780062365478de97dc048b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 949d99674fddcc0de5baf1c9149d1496305cade8583c002eafa4974383003694
[INFO] running `Command { std: "docker" "start" "-a" "949d99674fddcc0de5baf1c9149d1496305cade8583c002eafa4974383003694", 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)]` 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)]` 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: 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: multiple methods are never used
[INFO] [stderr]    --> src/linked_list.rs:53:8
[INFO] [stderr]     |
[INFO] [stderr] 34  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- methods in this implementation
[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] 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] 181 |     pub fn reverse(&mut self) {
[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 8 warnings (run `cargo fix --lib -p gelato-rs` to apply 3 suggestions)
[INFO] [stderr] warning: `gelato-rs` (lib test) generated 8 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gelato_rs-780f6cd52da177e7)
[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::can_insert_into_middle ... ok
[INFO] [stdout] test linked_list::tests::can_push_back ... 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::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] thread 'linked_list::tests::can_reverse' 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:     0x55b221772d16 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55b221772d16 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b221772d16 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55b221772d16 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55b22179bb60 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55b22179bb60 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55b22177077f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55b221772af4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55b221772af4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55b221774867 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55b22177454d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55b221742557 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55b221742557 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55b221774e86 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55b221774e86 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55b221774bd2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55b221773216 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55b221774930 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55b221704cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55b22170510b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55b22170764e - core::panicking::assert_failed::h4a0b6173f200b492
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55b22170dbb7 - gelato_rs::linked_list::tests::can_reverse::hb7466b12a8650465
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linked_list.rs:335:9
[INFO] [stdout]   22:     0x55b22170da17 - gelato_rs::linked_list::tests::can_reverse::{{closure}}::h84476db6f326af87
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linked_list.rs:328:21
[INFO] [stdout]   23:     0x55b221706376 - core::ops::function::FnOnce::call_once::h0a900a9b9703c08d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55b221747e2f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55b221747e2f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55b221746bb1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55b221746bb1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55b221746bb1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55b221746bb1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55b221746bb1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55b221746bb1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55b221746bb1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55b22170dee6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55b22170dee6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55b221712f47 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55b221712f47 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55b221712f47 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55b221712f47 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55b221712f47 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55b221712f47 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55b221712f47 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55b221779935 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55b221779935 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55b221779935 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f2d5e37dac3 - <unknown>
[INFO] [stdout]   46:     0x7f2d5e40ebf4 - __clone
[INFO] [stdout]   47:                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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "949d99674fddcc0de5baf1c9149d1496305cade8583c002eafa4974383003694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949d99674fddcc0de5baf1c9149d1496305cade8583c002eafa4974383003694", kill_on_drop: false }`
[INFO] [stdout] 949d99674fddcc0de5baf1c9149d1496305cade8583c002eafa4974383003694
[INFO] testing kristopherbullinger/tokenizers against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherbullinger%2Ftokenizers" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kristopherbullinger/tokenizers on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99ab61e050042e2416b239384477c6054ae3b5f24ad58cacb371002c605e4fd4
[INFO] running `Command { std: "docker" "start" "-a" "99ab61e050042e2416b239384477c6054ae3b5f24ad58cacb371002c605e4fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ab61e050042e2416b239384477c6054ae3b5f24ad58cacb371002c605e4fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ab61e050042e2416b239384477c6054ae3b5f24ad58cacb371002c605e4fd4", kill_on_drop: false }`
[INFO] [stdout] 99ab61e050042e2416b239384477c6054ae3b5f24ad58cacb371002c605e4fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 832ef98121931f81138c0cfa2a292d98687b5e5bb52516032f235db03fa7c029
[INFO] running `Command { std: "docker" "start" "-a" "832ef98121931f81138c0cfa2a292d98687b5e5bb52516032f235db03fa7c029", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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)]` 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)]` 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: multiple methods are never used
[INFO] [stdout]    --> src/linked_list.rs:53:8
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[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] 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] 181 |     pub fn reverse(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "832ef98121931f81138c0cfa2a292d98687b5e5bb52516032f235db03fa7c029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832ef98121931f81138c0cfa2a292d98687b5e5bb52516032f235db03fa7c029", kill_on_drop: false }`
[INFO] [stdout] 832ef98121931f81138c0cfa2a292d98687b5e5bb52516032f235db03fa7c029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5aa7e6a3558b0ce5a0f1fe720dc38a92093d0389fc378ad4b052660213c9f7
[INFO] running `Command { std: "docker" "start" "-a" "2f5aa7e6a3558b0ce5a0f1fe720dc38a92093d0389fc378ad4b052660213c9f7", kill_on_drop: false }`
[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)]` 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)]` 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: multiple methods are never used
[INFO] [stdout]    --> src/linked_list.rs:53:8
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- methods in this implementation
[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] 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] 181 |     pub fn reverse(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gelato-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 8 warnings emitted
[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)]` 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)]` 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] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "2f5aa7e6a3558b0ce5a0f1fe720dc38a92093d0389fc378ad4b052660213c9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5aa7e6a3558b0ce5a0f1fe720dc38a92093d0389fc378ad4b052660213c9f7", kill_on_drop: false }`
[INFO] [stdout] 2f5aa7e6a3558b0ce5a0f1fe720dc38a92093d0389fc378ad4b052660213c9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc32831e6bdbc911877b05ee32a7c3950b61968501348548e2064dd66fa87dfb
[INFO] running `Command { std: "docker" "start" "-a" "bc32831e6bdbc911877b05ee32a7c3950b61968501348548e2064dd66fa87dfb", 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)]` 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)]` 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: 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: multiple methods are never used
[INFO] [stderr]    --> src/linked_list.rs:53:8
[INFO] [stderr]     |
[INFO] [stderr] 34  | impl<T> LinkedList<T> {
[INFO] [stderr]     | --------------------- methods in this implementation
[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] 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] 181 |     pub fn reverse(&mut self) {
[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 8 warnings (run `cargo fix --lib -p gelato-rs` to apply 3 suggestions)
[INFO] [stderr] warning: `gelato-rs` (lib test) generated 8 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gelato_rs-91ec14671bed8a5b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[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::can_create_from_iter ... ok
[INFO] [stdout] test linked_list::tests::can_push_front ... ok
[INFO] [stdout] test linked_list::tests::can_into_iter ... 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::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] thread 'linked_list::tests::can_reverse' 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:     0x5556ddfaa276 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5556ddfaa276 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5556ddfaa276 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5556ddfaa276 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5556ddfd2ef0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5556ddfd2ef0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5556ddfa7acf - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5556ddfaa054 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5556ddfaa054 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5556ddfabdc7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x5556ddfabaad - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5556ddf79b67 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5556ddf79b67 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5556ddfac3e6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5556ddfac3e6 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x5556ddfac132 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5556ddfaa776 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5556ddfabe84 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x5556ddf3c775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5556ddf3cbab - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5556ddf3f04e - core::panicking::assert_failed::h0a13e6836cb4a39d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x5556ddf456b7 - gelato_rs::linked_list::tests::can_reverse::h6c438f7df4da1660
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linked_list.rs:335:9
[INFO] [stdout]   22:     0x5556ddf45517 - gelato_rs::linked_list::tests::can_reverse::{{closure}}::hbc5f3a06aba0c7c7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linked_list.rs:328:21
[INFO] [stdout]   23:     0x5556ddf3e026 - core::ops::function::FnOnce::call_once::hdbf7cd792a9eb65d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5556ddf7f75f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5556ddf7f75f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5556ddf7e581 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5556ddf7e581 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5556ddf7e581 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x5556ddf7e581 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x5556ddf7e581 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5556ddf7e581 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5556ddf7e581 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x5556ddf459e6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5556ddf459e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5556ddf4a9a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5556ddf4a9a7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5556ddf4a9a7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x5556ddf4a9a7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x5556ddf4a9a7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5556ddf4a9a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5556ddf4a9a7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5556ddfb0785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x5556ddfb0785 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x5556ddfb0785 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fb845bddac3 - <unknown>
[INFO] [stdout]   46:     0x7fb845c6ebf4 - __clone
[INFO] [stdout]   47:                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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "bc32831e6bdbc911877b05ee32a7c3950b61968501348548e2064dd66fa87dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc32831e6bdbc911877b05ee32a7c3950b61968501348548e2064dd66fa87dfb", kill_on_drop: false }`
[INFO] [stdout] bc32831e6bdbc911877b05ee32a7c3950b61968501348548e2064dd66fa87dfb
