[INFO] cloning repository https://github.com/KingTechnician/programming-languages-assignment3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KingTechnician/programming-languages-assignment3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingTechnician%2Fprogramming-languages-assignment3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingTechnician%2Fprogramming-languages-assignment3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2966458d0496f3fe96b0c407d00602c4bd9571bc
[INFO] testing KingTechnician/programming-languages-assignment3 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingTechnician%2Fprogramming-languages-assignment3" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KingTechnician/programming-languages-assignment3
[INFO] finished tweaking git repo https://github.com/KingTechnician/programming-languages-assignment3
[INFO] tweaked toml for git repo https://github.com/KingTechnician/programming-languages-assignment3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KingTechnician/programming-languages-assignment3 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KingTechnician/programming-languages-assignment3 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing KingTechnician/programming-languages-assignment3 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKingTechnician%2Fprogramming-languages-assignment3" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KingTechnician/programming-languages-assignment3
[INFO] finished tweaking git repo https://github.com/KingTechnician/programming-languages-assignment3
[INFO] tweaked toml for git repo https://github.com/KingTechnician/programming-languages-assignment3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KingTechnician/programming-languages-assignment3 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KingTechnician/programming-languages-assignment3 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f154aab7613be6d1e589762897b6027f97f0027df40b1facb6779ec227e86f5
[INFO] running `Command { std: "docker" "start" "-a" "8f154aab7613be6d1e589762897b6027f97f0027df40b1facb6779ec227e86f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f154aab7613be6d1e589762897b6027f97f0027df40b1facb6779ec227e86f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f154aab7613be6d1e589762897b6027f97f0027df40b1facb6779ec227e86f5", kill_on_drop: false }`
[INFO] [stdout] 8f154aab7613be6d1e589762897b6027f97f0027df40b1facb6779ec227e86f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77ceda40b382d73b4a68b277828d49e61d3912b5e5ee8d59fd55d82891de5e26
[INFO] running `Command { std: "docker" "start" "-a" "77ceda40b382d73b4a68b277828d49e61d3912b5e5ee8d59fd55d82891de5e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut currentIndex=  0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `currentIndex`
[INFO] [stdout]   --> src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut currentIndex=  0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_currentIndex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LinkedList{
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn get(&self, index: usize) -> Option<i32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newValue` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn update(&mut self, index: usize, newValue: i32) -> Result<(), String> {
[INFO] [stdout]    |                                            ^^^^^^^^ help: convert the identifier to snake case: `new_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `oldHead` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |             return self.head.take().map(|oldHead| {
[INFO] [stdout]    |                                          ^^^^^^^ help: convert the identifier to snake case: `old_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nodeToRemove` should have a snake case name
[INFO] [stdout]   --> src/main.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 if let Some(mut nodeToRemove) = node.next.take() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `node_to_remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newNode` should have a snake case name
[INFO] [stdout]   --> src/main.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut newNode = Box::new(Node{
[INFO] [stdout]    |                 ^^^^^^^ help: convert the identifier to snake case: `new_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currentIndex` should have a snake case name
[INFO] [stdout]   --> src/main.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut currentIndex=  0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unwrappedIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let unwrappedIndex = index.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unwrapped_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "77ceda40b382d73b4a68b277828d49e61d3912b5e5ee8d59fd55d82891de5e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ceda40b382d73b4a68b277828d49e61d3912b5e5ee8d59fd55d82891de5e26", kill_on_drop: false }`
[INFO] [stdout] 77ceda40b382d73b4a68b277828d49e61d3912b5e5ee8d59fd55d82891de5e26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31a4517c2a7bf158c3f5550bf8314a0dfd5828eb6f7fdf359fe111f20de6164
[INFO] running `Command { std: "docker" "start" "-a" "d31a4517c2a7bf158c3f5550bf8314a0dfd5828eb6f7fdf359fe111f20de6164", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ptr;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut currentIndex=  0;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `currentIndex`
[INFO] [stdout]   --> src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut currentIndex=  0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_currentIndex`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LinkedList{
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn get(&self, index: usize) -> Option<i32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newValue` should have a snake case name
[INFO] [stdout]   --> src/main.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn update(&mut self, index: usize, newValue: i32) -> Result<(), String> {
[INFO] [stdout]    |                                            ^^^^^^^^ help: convert the identifier to snake case: `new_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `oldHead` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:42
[INFO] [stdout]    |
[INFO] [stdout] 53 |             return self.head.take().map(|oldHead| {
[INFO] [stdout]    |                                          ^^^^^^^ help: convert the identifier to snake case: `old_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nodeToRemove` should have a snake case name
[INFO] [stdout]   --> src/main.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 if let Some(mut nodeToRemove) = node.next.take() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `node_to_remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newNode` should have a snake case name
[INFO] [stdout]   --> src/main.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut newNode = Box::new(Node{
[INFO] [stdout]    |                 ^^^^^^^ help: convert the identifier to snake case: `new_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currentIndex` should have a snake case name
[INFO] [stdout]   --> src/main.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut currentIndex=  0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unwrappedIndex` should have a snake case name
[INFO] [stdout]    --> src/main.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let unwrappedIndex = index.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unwrapped_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d31a4517c2a7bf158c3f5550bf8314a0dfd5828eb6f7fdf359fe111f20de6164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31a4517c2a7bf158c3f5550bf8314a0dfd5828eb6f7fdf359fe111f20de6164", kill_on_drop: false }`
[INFO] [stdout] d31a4517c2a7bf158c3f5550bf8314a0dfd5828eb6f7fdf359fe111f20de6164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89b75a285702c05fa5c2227adcb0d60219ed1a06674261747887120d6e814cfe
[INFO] running `Command { std: "docker" "start" "-a" "89b75a285702c05fa5c2227adcb0d60219ed1a06674261747887120d6e814cfe", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut currentIndex=  0;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `currentIndex`
[INFO] [stderr]   --> src/main.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut currentIndex=  0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_currentIndex`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/main.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl LinkedList{
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn get(&self, index: usize) -> Option<i32> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `newValue` should have a snake case name
[INFO] [stderr]   --> src/main.rs:33:44
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn update(&mut self, index: usize, newValue: i32) -> Result<(), String> {
[INFO] [stderr]    |                                            ^^^^^^^^ help: convert the identifier to snake case: `new_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `oldHead` should have a snake case name
[INFO] [stderr]   --> src/main.rs:53:42
[INFO] [stderr]    |
[INFO] [stderr] 53 |             return self.head.take().map(|oldHead| {
[INFO] [stderr]    |                                          ^^^^^^^ help: convert the identifier to snake case: `old_head`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nodeToRemove` should have a snake case name
[INFO] [stderr]   --> src/main.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 if let Some(mut nodeToRemove) = node.next.take() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `node_to_remove`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `newNode` should have a snake case name
[INFO] [stderr]   --> src/main.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut newNode = Box::new(Node{
[INFO] [stderr]    |                 ^^^^^^^ help: convert the identifier to snake case: `new_node`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `currentIndex` should have a snake case name
[INFO] [stderr]   --> src/main.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut currentIndex=  0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `unwrappedIndex` should have a snake case name
[INFO] [stderr]    --> src/main.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let unwrappedIndex = index.unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unwrapped_index`
[INFO] [stderr] 
[INFO] [stderr] warning: `assignment_3` (bin "assignment_3" test) generated 11 warnings (run `cargo fix --bin "assignment_3" -p assignment_3 --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/assignment_3-6848e4624d8d5623)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89b75a285702c05fa5c2227adcb0d60219ed1a06674261747887120d6e814cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b75a285702c05fa5c2227adcb0d60219ed1a06674261747887120d6e814cfe", kill_on_drop: false }`
[INFO] [stdout] 89b75a285702c05fa5c2227adcb0d60219ed1a06674261747887120d6e814cfe