[INFO] cloning repository https://github.com/sunny30/rust_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunny30/rust_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunny30%2Frust_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunny30%2Frust_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4415cf015d7b5be3110478f31c99036a5d179869
[INFO] fixing sunny30/rust_app against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunny30%2Frust_app" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sunny30/rust_app
[INFO] finished tweaking git repo https://github.com/sunny30/rust_app
[INFO] tweaked toml for git repo https://github.com/sunny30/rust_app written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sunny30/rust_app on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sunny30/rust_app 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554
[INFO] running `Command { std: "docker" "start" "c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
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[INFO] [stdout] error[E0433]: cannot find `macos` in `os`
[INFO] [stdout]  --> src/utils/generics/priority_queue_struct.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::macos::raw::stat;
[INFO] [stdout]   |              ^^^^^ could not find `macos` in `os`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/os/mod.rs:156:6
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated behind the `macos` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/utils/generic_string/math_utils.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |             for mut j in (2..=n) {
[INFO] [stdout]   |                          ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 -             for mut j in (2..=n) {
[INFO] [stdout] 5 +             for mut j in 2..=n  {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generic_string/math_utils.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if (x & (x - 1) != 0) {
[INFO] [stdout]    |        ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -     if (x & (x - 1) != 0) {
[INFO] [stdout] 26 +     if x & (x - 1) != 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/generics/matrices.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for i in (0..other.row) {
[INFO] [stdout]    |                      ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             for i in (0..other.row) {
[INFO] [stdout] 25 +             for i in 0..other.row  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/generics/matrices.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 for j in (0..other.col) {
[INFO] [stdout]    |                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -                 for j in (0..other.col) {
[INFO] [stdout] 26 +                 for j in 0..other.col  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/generics/matrices.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     for k in (1..self.col) {
[INFO] [stdout]    |                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                     for k in (1..self.col) {
[INFO] [stdout] 29 +                     for k in 1..self.col  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/utils/generics/priority_queue_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[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: `Pointer`
[INFO] [stdout]  --> src/utils/generics/state.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter, Pointer};
[INFO] [stdout]   |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/generics/state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/utils/generics/advance_closure_function.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut res = (item1+item2) ;
[INFO] [stdout]    |                   ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let mut res = (item1+item2) ;
[INFO] [stdout] 25 +     let mut res = item1+item2  ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if(tailNode.is_null()){
[INFO] [stdout]    |           ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         if(tailNode.is_null()){
[INFO] [stdout] 38 +         if tailNode.is_null() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 |         if(headNode.is_null()){
[INFO] [stdout]    |           ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if(headNode.is_null()){
[INFO] [stdout] 56 +         if headNode.is_null() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/utils/generics/data_structure/raw_single_ll.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |             if(index == linklist.len-1){
[INFO] [stdout]     |               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             if(index == linklist.len-1){
[INFO] [stdout] 101 +             if index == linklist.len-1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SingleLinkedList`, `add_at_head`, `add_at_tail`, and `get_node_at_index`
[INFO] [stdout]  --> src/utils/generics/data_structure/raw_double_ll.rs:3:61
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::generics::data_structure::raw_single_ll::{add_at_head, add_at_tail, get_node_at_index, SingleLinkedList};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             if (headNode == ptr::null_mut()) {
[INFO] [stdout]    |                ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             if (headNode == ptr::null_mut()) {
[INFO] [stdout] 45 +             if headNode == ptr::null_mut()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |             if(tailNode == ptr::null_mut()){
[INFO] [stdout]    |               ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -             if(tailNode == ptr::null_mut()){
[INFO] [stdout] 63 +             if tailNode == ptr::null_mut() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/utils/generics/data_structure/raw_double_ll.rs:114:19
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if(index == self.len-1){
[INFO] [stdout]     |                   ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                 if(index == self.len-1){
[INFO] [stdout] 114 +                 if index == self.len-1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::generics::declarative_macro::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::generics::declarative_macro::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:82:83
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let p_map = Prefix_Sum_Map!(2=>1, 3=>2, 2=>3, 2=>4, 3=>5, 7=>6, 3=>7, 7=>8 ); ;
[INFO] [stdout]    |                                                                                   ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `macos` in `os`
[INFO] [stdout]  --> src/utils/generics/priority_queue_struct.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::macos::raw::stat;
[INFO] [stdout]   |              ^^^^^ could not find `macos` in `os`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/os/mod.rs:156:6
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated behind the `macos` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]  --> src/utils/generic_string/math_utils.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |             for mut j in (2..=n) {
[INFO] [stdout]   |                          ^     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 5 -             for mut j in (2..=n) {
[INFO] [stdout] 5 +             for mut j in 2..=n  {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generic_string/math_utils.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     if (x & (x - 1) != 0) {
[INFO] [stdout]    |        ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -     if (x & (x - 1) != 0) {
[INFO] [stdout] 26 +     if x & (x - 1) != 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/generics/matrices.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |             for i in (0..other.row) {
[INFO] [stdout]    |                      ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -             for i in (0..other.row) {
[INFO] [stdout] 25 +             for i in 0..other.row  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/generics/matrices.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 for j in (0..other.col) {
[INFO] [stdout]    |                          ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -                 for j in (0..other.col) {
[INFO] [stdout] 26 +                 for j in 0..other.col  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/utils/generics/matrices.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     for k in (1..self.col) {
[INFO] [stdout]    |                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -                     for k in (1..self.col) {
[INFO] [stdout] 29 +                     for k in 1..self.col  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/utils/generics/priority_queue_struct.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[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: `Pointer`
[INFO] [stdout]  --> src/utils/generics/state.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter, Pointer};
[INFO] [stdout]   |                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/utils/generics/state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/utils/generics/advance_closure_function.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut res = (item1+item2) ;
[INFO] [stdout]    |                   ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let mut res = (item1+item2) ;
[INFO] [stdout] 25 +     let mut res = item1+item2  ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if(tailNode.is_null()){
[INFO] [stdout]    |           ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 -         if(tailNode.is_null()){
[INFO] [stdout] 38 +         if tailNode.is_null() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 |         if(headNode.is_null()){
[INFO] [stdout]    |           ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if(headNode.is_null()){
[INFO] [stdout] 56 +         if headNode.is_null() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/utils/generics/data_structure/raw_single_ll.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |             if(index == linklist.len-1){
[INFO] [stdout]     |               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -             if(index == linklist.len-1){
[INFO] [stdout] 101 +             if index == linklist.len-1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SingleLinkedList`, `add_at_head`, `add_at_tail`, and `get_node_at_index`
[INFO] [stdout]  --> src/utils/generics/data_structure/raw_double_ll.rs:3:61
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::generics::data_structure::raw_single_ll::{add_at_head, add_at_tail, get_node_at_index, SingleLinkedList};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |             if (headNode == ptr::null_mut()) {
[INFO] [stdout]    |                ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -             if (headNode == ptr::null_mut()) {
[INFO] [stdout] 45 +             if headNode == ptr::null_mut()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |             if(tailNode == ptr::null_mut()){
[INFO] [stdout]    |               ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -             if(tailNode == ptr::null_mut()){
[INFO] [stdout] 63 +             if tailNode == ptr::null_mut() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/utils/generics/data_structure/raw_double_ll.rs:114:19
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if(index == self.len-1){
[INFO] [stdout]     |                   ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 -                 if(index == self.len-1){
[INFO] [stdout] 114 +                 if index == self.len-1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::generics::declarative_macro::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::generics::declarative_macro::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/main.rs:82:83
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let p_map = Prefix_Sum_Map!(2=>1, 3=>2, 2=>3, 2=>4, 3=>5, 7=>6, 3=>7, 7=>8 ); ;
[INFO] [stdout]    |                                                                                   ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/utils/generic_string/math_utils.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |             for mut j in (2..=n) {
[INFO] [stdout]   |                 ----^
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generic_string/math_utils.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut x = *n;
[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/utils/generic_string/math_utils.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut n_cp = *n;
[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/utils/generics/matrices.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut tp = power.clone();
[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/utils/generics/matrices.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut sf_clone = (*self).clone();
[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/utils/generic_string/math_utils.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |             for mut j in (2..=n) {
[INFO] [stdout]   |                 ----^
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generic_string/math_utils.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut x = *n;
[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/utils/generic_string/math_utils.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut n_cp = *n;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/utils/generics/parallel_axis_rectangle.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn check_i32_type<T: 'static>(value: &T) -> bool {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/utils/generics/parallel_axis_rectangle.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn check_f32_type<T: 'static>(value: &T) -> bool {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/utils/generics/parallel_axis_rectangle.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn check_f64_type<T: 'static>(value: &T) -> bool {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/matrices.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut tp = power.clone();
[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/utils/generics/matrices.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut sf_clone = (*self).clone();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/utils/generics/parallel_axis_rectangle.rs:48:31
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn check_i32_type<T: 'static>(value: &T) -> bool {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/utils/generics/parallel_axis_rectangle.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn check_f32_type<T: 'static>(value: &T) -> bool {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/utils/generics/parallel_axis_rectangle.rs:56:31
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn check_f64_type<T: 'static>(value: &T) -> bool {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/advance_closure_function.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut res = (item1+item2) ;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_app` (bin "rust_app" test) due to 1 previous error; 45 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut headNode = linklist.head ;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut newNode = SingleLNode::new(data) ;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |            for i in 0..index {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut nextNode = (*headNode).next;
[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/utils/generics/data_structure/raw_single_ll.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut priorNode = get_node_at_index(linklist,index-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/utils/generics/data_structure/raw_single_ll.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let mut indexNode = (*priorNode).next ;
[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/utils/generics/data_structure/raw_single_ll.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut nextNode = (*((*priorNode).next)).next ;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `headNode` is never read
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             headNode = ptr::null_mut() ;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/utils/generics/data_structure/raw_single_ll.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         for i in 0..list.len {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 for i in 0..index {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let mut headNode = self.head ;
[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/utils/generics/data_structure/raw_double_ll.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 let mut nextNode = (*headNode).next;
[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/utils/generics/data_structure/raw_double_ll.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut priorNode = self.get_node_at_index(index-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/utils/generics/data_structure/raw_double_ll.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let mut indexNode = (*priorNode).next ;
[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/utils/generics/data_structure/raw_double_ll.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let mut nextNode = (*((*priorNode).next)).next ;
[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/utils/generics/advance_closure_function.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut res = (item1+item2) ;
[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/utils/generics/data_structure/raw_double_ll.rs:164:20
[INFO] [stdout]     |
[INFO] [stdout] 164 |                let mut node = & (*(self.current)) ;
[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/utils/generics/data_structure/raw_double_ll.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 let mut node = & (*(self.current)) ;
[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/utils/generics/data_structure/raw_single_ll.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut headNode = linklist.head ;
[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/utils/generics/data_structure/raw_single_ll.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut newNode = SingleLNode::new(data) ;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |            for i in 0..index {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut nextNode = (*headNode).next;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_app` (bin "rust_app") due to 1 previous error; 44 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut priorNode = get_node_at_index(linklist,index-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/utils/generics/data_structure/raw_single_ll.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let mut indexNode = (*priorNode).next ;
[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/utils/generics/data_structure/raw_single_ll.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut nextNode = (*((*priorNode).next)).next ;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `headNode` is never read
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_single_ll.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             headNode = ptr::null_mut() ;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 for i in 0..index {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/generics/data_structure/raw_double_ll.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |             let mut headNode = self.head ;
[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/utils/generics/data_structure/raw_double_ll.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 let mut nextNode = (*headNode).next;
[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/utils/generics/data_structure/raw_double_ll.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let mut priorNode = self.get_node_at_index(index-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/utils/generics/data_structure/raw_double_ll.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 let mut indexNode = (*priorNode).next ;
[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/utils/generics/data_structure/raw_double_ll.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 let mut nextNode = (*((*priorNode).next)).next ;
[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/utils/generics/data_structure/raw_double_ll.rs:164:20
[INFO] [stdout]     |
[INFO] [stdout] 164 |                let mut node = & (*(self.current)) ;
[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/utils/generics/data_structure/raw_double_ll.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 let mut node = & (*(self.current)) ;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collection`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let collection: Vec<Box<dyn Display>> = vec![nval, nval2, nval3];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collection`
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let collection: Vec<Box<dyn Display>> = vec![nval, nval2, nval3];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554", kill_on_drop: false }`
[INFO] [stdout] c015de4f013f064dd92f3a45832956fe53fec7c26da62c0dbdd3d2b82dc63554
