[INFO] cloning repository https://github.com/conchino/rust_data_struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conchino/rust_data_struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconchino%2Frust_data_struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconchino%2Frust_data_struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b0a070f8f3d68f2c145510051365533bee0d134
[INFO] checking conchino/rust_data_struct against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconchino%2Frust_data_struct" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conchino/rust_data_struct on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conchino/rust_data_struct
[INFO] finished tweaking git repo https://github.com/conchino/rust_data_struct
[INFO] tweaked toml for git repo https://github.com/conchino/rust_data_struct written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/conchino/rust_data_struct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fff4d677effcaaa14fc42578734bae29bc64943976b7efafd14c01f941390d53
[INFO] running `Command { std: "docker" "start" "-a" "fff4d677effcaaa14fc42578734bae29bc64943976b7efafd14c01f941390d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff4d677effcaaa14fc42578734bae29bc64943976b7efafd14c01f941390d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff4d677effcaaa14fc42578734bae29bc64943976b7efafd14c01f941390d53", kill_on_drop: false }`
[INFO] [stdout] fff4d677effcaaa14fc42578734bae29bc64943976b7efafd14c01f941390d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbab82a158d8f4efe92b943da405ee7e6feba6431ac367a5e262145fb05c49b
[INFO] running `Command { std: "docker" "start" "-a" "fdbab82a158d8f4efe92b943da405ee7e6feba6431ac367a5e262145fb05c49b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-data-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `option`, `vec`
[INFO] [stdout]  --> src/signal_list/linkedlist_box.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, option, vec};
[INFO] [stdout]   |                         ^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `option`, `vec`
[INFO] [stdout]  --> src/signal_list/linkedlist_box.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Display, option, vec};
[INFO] [stdout]   |                         ^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut v = vec![1, 2, 3, 4, 5, 6, 7];
[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/signal_list/linkedlist_box_test.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut v = vec![1, 2, 3, 4, 5, 6, 7];
[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/signal_list/linkedlist_box_test.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut v1 = vec![1, 2, 3, 4, 5, 6];
[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/signal_list/linkedlist_Rc_test.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let mut node = ListNode::vec_to_list(vec![1, 2, 3, 4, 5, 6].as_ref());
[INFO] [stdout]    |       ----^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/signal_list/linkedlist_box.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get<'a>(&'a mut self, index: usize) -> Option<&'a mut Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/signal_list/linkedlist_box.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn get<'a>(&'a mut self, index: usize) -> Option<&'a mut Node<T>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn update(&mut self, index: usize, value: T){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn pop(&mut self){
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_index`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn add_at_index(mut self, index: usize, elem: T) -> ListNode<T>{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_at_index`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn delete_at_index(mut self, index: usize) -> ListNode<T>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn remove(&mut self, index: usize) -> bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn insert(&mut self, index: usize, value: T){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(value: T) -> Node<T>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn get_next(&mut self) -> Option<Rc<RefCell<Node<T>>>>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_next`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn set_next(&mut self, next: Option<Rc<RefCell<Node<T>>>>) -> () {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new() -> ListNode<T>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_head`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add_head(&mut self, ele: T){
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_back`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn push_back(&mut self, val: T) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn get_last(&self) -> Option<Rc<RefCell<Node<T>>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn get(&self, index: isize) -> Option<Rc<RefCell<Node<T>>>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut v = vec![1, 2, 3, 4, 5, 6, 7];
[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: associated function is never used: `index`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn index(&self, index: isize) -> Option<T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut v = vec![1, 2, 3, 4, 5, 6, 7];
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn pop(&mut self){
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut v1 = vec![1, 2, 3, 4, 5, 6];
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_head`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn pop_head(&mut self){
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn remove(&mut self, index: usize){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn insert(&mut self, index: usize, value: T){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 |   let mut node = ListNode::vec_to_list(vec![1, 2, 3, 4, 5, 6].as_ref());
[INFO] [stdout]    |       ----^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn show(&self){
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vec_to_list`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn vec_to_list(vs: &Vec<T>) -> ListNode<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn test2(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test3`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn test3(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/signal_list/linkedlist_box.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get<'a>(&'a mut self, index: usize) -> Option<&'a mut Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test4`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn test4(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test5`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn test5(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/signal_list/linkedlist_box.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn get<'a>(&'a mut self, index: usize) -> Option<&'a mut Node<T>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn update(&mut self, index: usize, value: T){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn pop(&mut self){
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_at_index`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn add_at_index(mut self, index: usize, elem: T) -> ListNode<T>{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_at_index`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn delete_at_index(mut self, index: usize) -> ListNode<T>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn remove(&mut self, index: usize) -> bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/signal_list/linkedlist_box.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn insert(&mut self, index: usize, value: T){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(value: T) -> Node<T>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn get_next(&mut self) -> Option<Rc<RefCell<Node<T>>>>{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_next`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn set_next(&mut self, next: Option<Rc<RefCell<Node<T>>>>) -> () {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn new() -> ListNode<T>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_head`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add_head(&mut self, ele: T){
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_back`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn push_back(&mut self, val: T) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn get_last(&self) -> Option<Rc<RefCell<Node<T>>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn get(&self, index: isize) -> Option<Rc<RefCell<Node<T>>>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn index(&self, index: isize) -> Option<T> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn pop(&mut self){
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_head`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn pop_head(&mut self){
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn remove(&mut self, index: usize){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn insert(&mut self, index: usize, value: T){
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `show`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn show(&self){
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vec_to_list`
[INFO] [stdout]    --> src/signal_list/linkedlist_Rc.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn vec_to_list(vs: &Vec<T>) -> ListNode<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn test2(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test3`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn test3(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test4`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn test4(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test5`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn test5(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test6`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn test6(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test1`
[INFO] [stdout]  --> src/signal_list/linkedlist_Rc_test.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test1(){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn test2(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test3`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn test3(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test4`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn test4(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test6`
[INFO] [stdout]   --> src/signal_list/linkedlist_box_test.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn test6(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test1`
[INFO] [stdout]  --> src/signal_list/linkedlist_Rc_test.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test1(){
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn test2(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test3`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn test3(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test4`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn test4(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test5`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn test5(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test6`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn test6(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test5`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn test5(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test6`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn test6(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test7`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn test7(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `linkedlist_Rc` should have a snake case name
[INFO] [stdout]  --> src/signal_list/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod linkedlist_Rc;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `linkedlist_rc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `linkedlist_Rc_test` should have a snake case name
[INFO] [stdout]  --> src/signal_list/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod linkedlist_Rc_test;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `linkedlist_rc_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/signal_list/linkedlist_box.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         if index > self.len || index < 0 {
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test7`
[INFO] [stdout]   --> src/signal_list/linkedlist_Rc_test.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn test7(){
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `linkedlist_Rc` should have a snake case name
[INFO] [stdout]  --> src/signal_list/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod linkedlist_Rc;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `linkedlist_rc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `linkedlist_Rc_test` should have a snake case name
[INFO] [stdout]  --> src/signal_list/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod linkedlist_Rc_test;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `linkedlist_rc_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/signal_list/linkedlist_box.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         if index > self.len || index < 0 {
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fdbab82a158d8f4efe92b943da405ee7e6feba6431ac367a5e262145fb05c49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbab82a158d8f4efe92b943da405ee7e6feba6431ac367a5e262145fb05c49b", kill_on_drop: false }`
[INFO] [stdout] fdbab82a158d8f4efe92b943da405ee7e6feba6431ac367a5e262145fb05c49b