[INFO] cloning repository https://github.com/jramos14/Matrix-Operations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jramos14/Matrix-Operations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FMatrix-Operations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FMatrix-Operations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ebe42742b34b75e71fee96f253fad6cde6fa9ba
[INFO] checking jramos14/Matrix-Operations against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FMatrix-Operations" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jramos14/Matrix-Operations on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jramos14/Matrix-Operations
[INFO] finished tweaking git repo https://github.com/jramos14/Matrix-Operations
[INFO] tweaked toml for git repo https://github.com/jramos14/Matrix-Operations written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jramos14/Matrix-Operations 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking jramos14/Matrix-Operations against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FMatrix-Operations" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jramos14/Matrix-Operations on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jramos14/Matrix-Operations
[INFO] finished tweaking git repo https://github.com/jramos14/Matrix-Operations
[INFO] tweaked toml for git repo https://github.com/jramos14/Matrix-Operations written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jramos14/Matrix-Operations 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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] checking jramos14/Matrix-Operations against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FMatrix-Operations" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jramos14/Matrix-Operations on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jramos14/Matrix-Operations
[INFO] finished tweaking git repo https://github.com/jramos14/Matrix-Operations
[INFO] tweaked toml for git repo https://github.com/jramos14/Matrix-Operations written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jramos14/Matrix-Operations 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 505dd69f32ead859920a71492278b9b96fa8b73d59801313ca510abacb80689c
[INFO] running `Command { std: "docker" "start" "-a" "505dd69f32ead859920a71492278b9b96fa8b73d59801313ca510abacb80689c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505dd69f32ead859920a71492278b9b96fa8b73d59801313ca510abacb80689c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505dd69f32ead859920a71492278b9b96fa8b73d59801313ca510abacb80689c", kill_on_drop: false }`
[INFO] [stdout] 505dd69f32ead859920a71492278b9b96fa8b73d59801313ca510abacb80689c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0349d05924dfc8f78362de28186fb00be08ec9c064a676a105686fa50dea354
[INFO] running `Command { std: "docker" "start" "-a" "c0349d05924dfc8f78362de28186fb00be08ec9c064a676a105686fa50dea354", kill_on_drop: false }`
[INFO] [stderr]     Checking your v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | use std::ops::Add;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]    --> src/lib.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | use std::ops::Add;
[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/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut empty_vec = Vec::new();
[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/lib.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut size = self.row * self.col;
[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/lib.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut size = self.row * self.col;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack1`
[INFO] [stdout]    --> src/lib.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut stack1: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack2`
[INFO] [stdout]    --> src/lib.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut stack2: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack3`
[INFO] [stdout]    --> src/lib.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut stack3: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `empty_stack`
[INFO] [stdout]    --> src/lib.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let mut empty_stack: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut stack1: Vec<T> = vec![];
[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/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut stack2: Vec<T> = vec![];
[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/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut stack3: Vec<T> = vec![];
[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/lib.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let mut empty_stack: Vec<T> = vec![];
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `columnIndex`
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut columnIndex = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_columnIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut stringSpace = " ";
[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/lib.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let mut stringNewline = "\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/lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut columnIndex = 0;
[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/lib.rs:372:21
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 let mut stringElement : String = self.data[k].to_string();
[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/lib.rs:380:21
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 let mut stringElement : String = self.data[k].to_string();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultMatrix` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let mut resultMatrix = "".to_string();
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `result_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringSpace` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut stringSpace = " ";
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `string_space`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringNewline` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let mut stringNewline = "\n";
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_newline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `columnIndex` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut columnIndex = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `column_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringElement` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:372:25
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 let mut stringElement : String = self.data[k].to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringElement` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 let mut stringElement : String = self.data[k].to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut empty_vec = Vec::new();
[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/lib.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut size = self.row * self.col;
[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/lib.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut size = self.row * self.col;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack1`
[INFO] [stdout]    --> src/lib.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut stack1: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack2`
[INFO] [stdout]    --> src/lib.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut stack2: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack3`
[INFO] [stdout]    --> src/lib.rs:237:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut stack3: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `empty_stack`
[INFO] [stdout]    --> src/lib.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let mut empty_stack: Vec<T> = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut stack1: Vec<T> = vec![];
[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/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut stack2: Vec<T> = vec![];
[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/lib.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut stack3: Vec<T> = vec![];
[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/lib.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let mut empty_stack: Vec<T> = vec![];
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `columnIndex`
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut columnIndex = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_columnIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut stringSpace = " ";
[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/lib.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let mut stringNewline = "\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/lib.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut columnIndex = 0;
[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/lib.rs:372:21
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 let mut stringElement : String = self.data[k].to_string();
[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/lib.rs:380:21
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 let mut stringElement : String = self.data[k].to_string();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultMatrix` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let mut resultMatrix = "".to_string();
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `result_matrix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringSpace` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let mut stringSpace = " ";
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `string_space`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringNewline` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:357:17
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let mut stringNewline = "\n";
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_newline`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `columnIndex` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |         let mut columnIndex = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `column_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringElement` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:372:25
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 let mut stringElement : String = self.data[k].to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringElement` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:380:25
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 let mut stringElement : String = self.data[k].to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c0349d05924dfc8f78362de28186fb00be08ec9c064a676a105686fa50dea354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0349d05924dfc8f78362de28186fb00be08ec9c064a676a105686fa50dea354", kill_on_drop: false }`
[INFO] [stdout] c0349d05924dfc8f78362de28186fb00be08ec9c064a676a105686fa50dea354
