Dec 13 14:58:42.432 INFO testing jramos14/Matrix-Operations against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 14:58:42.432 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 14:58:42.999 INFO [stdout] a9d912b4b8893346f3f493ca1c7d8ac07cf4ed42b9bf47b5d05ac141efbd7787
Dec 13 14:58:43.004 INFO running `"docker" "start" "-a" "a9d912b4b8893346f3f493ca1c7d8ac07cf4ed42b9bf47b5d05ac141efbd7787"`
Dec 13 14:58:43.876 INFO [stderr] usermod: no changes
Dec 13 14:58:43.983 INFO [stderr]    Compiling your v0.1.0 (/source)
Dec 13 14:58:44.290 INFO [stderr] warning: unused import: `std::ops::Add`
Dec 13 14:58:44.290 INFO [stderr]    --> src/lib.rs:117:5
Dec 13 14:58:44.290 INFO [stderr]     |
Dec 13 14:58:44.290 INFO [stderr] 117 | use std::ops::Add;
Dec 13 14:58:44.290 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 13 14:58:44.290 INFO [stderr]     |
Dec 13 14:58:44.290 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 13 14:58:44.290 INFO [stderr] 
Dec 13 14:58:44.357 INFO [stderr] warning: unused variable: `stack1`
Dec 13 14:58:44.357 INFO [stderr]    --> src/lib.rs:235:13
Dec 13 14:58:44.357 INFO [stderr]     |
Dec 13 14:58:44.357 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Dec 13 14:58:44.357 INFO [stderr]     |             ^^^^^^ help: consider using `_stack1` instead
Dec 13 14:58:44.357 INFO [stderr]     |
Dec 13 14:58:44.357 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 14:58:44.357 INFO [stderr] 
Dec 13 14:58:44.357 INFO [stderr] warning: unused variable: `stack2`
Dec 13 14:58:44.357 INFO [stderr]    --> src/lib.rs:236:13
Dec 13 14:58:44.357 INFO [stderr]     |
Dec 13 14:58:44.357 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Dec 13 14:58:44.357 INFO [stderr]     |             ^^^^^^ help: consider using `_stack2` instead
Dec 13 14:58:44.357 INFO [stderr] 
Dec 13 14:58:44.357 INFO [stderr] warning: unused variable: `stack3`
Dec 13 14:58:44.357 INFO [stderr]    --> src/lib.rs:237:13
Dec 13 14:58:44.357 INFO [stderr]     |
Dec 13 14:58:44.357 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Dec 13 14:58:44.357 INFO [stderr]     |             ^^^^^^ help: consider using `_stack3` instead
Dec 13 14:58:44.357 INFO [stderr] 
Dec 13 14:58:44.357 INFO [stderr] warning: unused variable: `empty_stack`
Dec 13 14:58:44.357 INFO [stderr]    --> src/lib.rs:238:13
Dec 13 14:58:44.357 INFO [stderr]     |
Dec 13 14:58:44.357 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Dec 13 14:58:44.357 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_empty_stack` instead
Dec 13 14:58:44.357 INFO [stderr] 
Dec 13 14:58:44.358 INFO [stderr] warning: unused variable: `columnIndex`
Dec 13 14:58:44.358 INFO [stderr]    --> src/lib.rs:358:17
Dec 13 14:58:44.358 INFO [stderr]     |
Dec 13 14:58:44.358 INFO [stderr] 358 |         let mut columnIndex = 0;
Dec 13 14:58:44.358 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_columnIndex` instead
Dec 13 14:58:44.358 INFO [stderr] 
Dec 13 14:58:44.361 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.361 INFO [stderr]    --> src/lib.rs:146:9
Dec 13 14:58:44.361 INFO [stderr]     |
Dec 13 14:58:44.361 INFO [stderr] 146 |     let mut empty_vec = Vec::new();
Dec 13 14:58:44.361 INFO [stderr]     |         ----^^^^^^^^^
Dec 13 14:58:44.361 INFO [stderr]     |         |
Dec 13 14:58:44.361 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:44.361 INFO [stderr]     |
Dec 13 14:58:44.361 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 14:58:44.361 INFO [stderr] 
Dec 13 14:58:44.365 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.365 INFO [stderr]    --> src/lib.rs:183:13
Dec 13 14:58:44.365 INFO [stderr]     |
Dec 13 14:58:44.365 INFO [stderr] 183 |         let mut size = self.row * self.col;
Dec 13 14:58:44.365 INFO [stderr]     |             ----^^^^
Dec 13 14:58:44.365 INFO [stderr]     |             |
Dec 13 14:58:44.365 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:44.365 INFO [stderr] 
Dec 13 14:58:44.367 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.367 INFO [stderr]    --> src/lib.rs:210:13
Dec 13 14:58:44.367 INFO [stderr]     |
Dec 13 14:58:44.367 INFO [stderr] 210 |         let mut size = self.row * self.col;
Dec 13 14:58:44.367 INFO [stderr]     |             ----^^^^
Dec 13 14:58:44.367 INFO [stderr]     |             |
Dec 13 14:58:44.367 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:44.367 INFO [stderr] 
Dec 13 14:58:44.370 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.370 INFO [stderr]    --> src/lib.rs:235:9
Dec 13 14:58:44.370 INFO [stderr]     |
Dec 13 14:58:44.370 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Dec 13 14:58:44.370 INFO [stderr]     |         ----^^^^^^
Dec 13 14:58:44.370 INFO [stderr]     |         |
Dec 13 14:58:44.370 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:44.370 INFO [stderr] 
Dec 13 14:58:44.370 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.370 INFO [stderr]    --> src/lib.rs:236:9
Dec 13 14:58:44.370 INFO [stderr]     |
Dec 13 14:58:44.370 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Dec 13 14:58:44.370 INFO [stderr]     |         ----^^^^^^
Dec 13 14:58:44.371 INFO [stderr]     |         |
Dec 13 14:58:44.371 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:44.371 INFO [stderr] 
Dec 13 14:58:44.371 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.371 INFO [stderr]    --> src/lib.rs:237:9
Dec 13 14:58:44.371 INFO [stderr]     |
Dec 13 14:58:44.371 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Dec 13 14:58:44.371 INFO [stderr]     |         ----^^^^^^
Dec 13 14:58:44.371 INFO [stderr]     |         |
Dec 13 14:58:44.371 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:44.371 INFO [stderr] 
Dec 13 14:58:44.371 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.371 INFO [stderr]    --> src/lib.rs:238:9
Dec 13 14:58:44.371 INFO [stderr]     |
Dec 13 14:58:44.371 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Dec 13 14:58:44.371 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 13 14:58:44.371 INFO [stderr]     |         |
Dec 13 14:58:44.371 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:44.371 INFO [stderr] 
Dec 13 14:58:44.378 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.378 INFO [stderr]    --> src/lib.rs:356:13
Dec 13 14:58:44.378 INFO [stderr]     |
Dec 13 14:58:44.378 INFO [stderr] 356 |         let mut stringSpace = " ";
Dec 13 14:58:44.378 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 13 14:58:44.378 INFO [stderr]     |             |
Dec 13 14:58:44.378 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:44.378 INFO [stderr] 
Dec 13 14:58:44.378 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.378 INFO [stderr]    --> src/lib.rs:357:13
Dec 13 14:58:44.378 INFO [stderr]     |
Dec 13 14:58:44.378 INFO [stderr] 357 |         let mut stringNewline = "\n";
Dec 13 14:58:44.378 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 13 14:58:44.378 INFO [stderr]     |             |
Dec 13 14:58:44.379 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:44.379 INFO [stderr] 
Dec 13 14:58:44.379 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:44.379 INFO [stderr]    --> src/lib.rs:358:13
Dec 13 14:58:44.379 INFO [stderr]     |
Dec 13 14:58:44.379 INFO [stderr] 358 |         let mut columnIndex = 0;
Dec 13 14:58:44.379 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 13 14:58:44.379 INFO [stderr]     |             |
Dec 13 14:58:44.379 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:44.379 INFO [stderr] 
Dec 13 14:58:44.380 INFO [stderr] warning: variable `resultMatrix` should have a snake case name such as `result_matrix`
Dec 13 14:58:44.380 INFO [stderr]    --> src/lib.rs:355:13
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr] 355 |         let mut resultMatrix = "".to_string();
Dec 13 14:58:44.380 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 13 14:58:44.380 INFO [stderr] 
Dec 13 14:58:44.380 INFO [stderr] warning: variable `stringSpace` should have a snake case name such as `string_space`
Dec 13 14:58:44.380 INFO [stderr]    --> src/lib.rs:356:13
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr] 356 |         let mut stringSpace = " ";
Dec 13 14:58:44.380 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 14:58:44.380 INFO [stderr] 
Dec 13 14:58:44.380 INFO [stderr] warning: variable `stringNewline` should have a snake case name such as `string_newline`
Dec 13 14:58:44.380 INFO [stderr]    --> src/lib.rs:357:13
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr] 357 |         let mut stringNewline = "\n";
Dec 13 14:58:44.380 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 13 14:58:44.380 INFO [stderr] 
Dec 13 14:58:44.380 INFO [stderr] warning: variable `columnIndex` should have a snake case name such as `column_index`
Dec 13 14:58:44.380 INFO [stderr]    --> src/lib.rs:358:13
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr] 358 |         let mut columnIndex = 0;
Dec 13 14:58:44.380 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 14:58:44.380 INFO [stderr] 
Dec 13 14:58:44.380 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Dec 13 14:58:44.380 INFO [stderr]    --> src/lib.rs:372:21
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr] 372 |                 let mut stringElement : String = self.data[k].to_string();
Dec 13 14:58:44.380 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 13 14:58:44.380 INFO [stderr] 
Dec 13 14:58:44.380 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Dec 13 14:58:44.380 INFO [stderr]    --> src/lib.rs:380:21
Dec 13 14:58:44.380 INFO [stderr]     |
Dec 13 14:58:44.380 INFO [stderr] 380 |                 let mut stringElement : String = self.data[k].to_string();
Dec 13 14:58:44.380 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 13 14:58:44.380 INFO [stderr] 
Dec 13 14:58:44.427 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 13 14:58:44.433 INFO [stderr] su: No module specific data is present
Dec 13 14:58:44.975 INFO running `"docker" "inspect" "a9d912b4b8893346f3f493ca1c7d8ac07cf4ed42b9bf47b5d05ac141efbd7787"`
Dec 13 14:58:45.347 INFO running `"docker" "rm" "-f" "a9d912b4b8893346f3f493ca1c7d8ac07cf4ed42b9bf47b5d05ac141efbd7787"`
Dec 13 14:58:45.811 INFO [stdout] a9d912b4b8893346f3f493ca1c7d8ac07cf4ed42b9bf47b5d05ac141efbd7787
Dec 13 14:58:45.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 14:58:46.276 INFO [stdout] 30179e830e0e47a8681ef29b1e1f29f400d3440a46890d397da61f5ebdacf77d
Dec 13 14:58:46.285 INFO running `"docker" "start" "-a" "30179e830e0e47a8681ef29b1e1f29f400d3440a46890d397da61f5ebdacf77d"`
Dec 13 14:58:47.413 INFO [stderr] usermod: no changes
Dec 13 14:58:47.472 INFO [stderr]    Compiling your v0.1.0 (/source)
Dec 13 14:58:47.853 INFO [stderr] warning: unused import: `std::ops::Add`
Dec 13 14:58:47.853 INFO [stderr]    --> src/lib.rs:117:5
Dec 13 14:58:47.853 INFO [stderr]     |
Dec 13 14:58:47.853 INFO [stderr] 117 | use std::ops::Add;
Dec 13 14:58:47.853 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 13 14:58:47.853 INFO [stderr]     |
Dec 13 14:58:47.853 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 13 14:58:47.853 INFO [stderr] 
Dec 13 14:58:48.031 INFO [stderr] warning: unused variable: `stack1`
Dec 13 14:58:48.031 INFO [stderr]    --> src/lib.rs:235:13
Dec 13 14:58:48.031 INFO [stderr]     |
Dec 13 14:58:48.031 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Dec 13 14:58:48.031 INFO [stderr]     |             ^^^^^^ help: consider using `_stack1` instead
Dec 13 14:58:48.031 INFO [stderr]     |
Dec 13 14:58:48.031 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 14:58:48.031 INFO [stderr] 
Dec 13 14:58:48.031 INFO [stderr] warning: unused variable: `stack2`
Dec 13 14:58:48.031 INFO [stderr]    --> src/lib.rs:236:13
Dec 13 14:58:48.031 INFO [stderr]     |
Dec 13 14:58:48.031 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Dec 13 14:58:48.031 INFO [stderr]     |             ^^^^^^ help: consider using `_stack2` instead
Dec 13 14:58:48.031 INFO [stderr] 
Dec 13 14:58:48.031 INFO [stderr] warning: unused variable: `stack3`
Dec 13 14:58:48.031 INFO [stderr]    --> src/lib.rs:237:13
Dec 13 14:58:48.031 INFO [stderr]     |
Dec 13 14:58:48.031 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Dec 13 14:58:48.031 INFO [stderr]     |             ^^^^^^ help: consider using `_stack3` instead
Dec 13 14:58:48.031 INFO [stderr] 
Dec 13 14:58:48.031 INFO [stderr] warning: unused variable: `empty_stack`
Dec 13 14:58:48.031 INFO [stderr]    --> src/lib.rs:238:13
Dec 13 14:58:48.031 INFO [stderr]     |
Dec 13 14:58:48.031 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Dec 13 14:58:48.031 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_empty_stack` instead
Dec 13 14:58:48.031 INFO [stderr] 
Dec 13 14:58:48.031 INFO [stderr] warning: unused variable: `columnIndex`
Dec 13 14:58:48.031 INFO [stderr]    --> src/lib.rs:358:17
Dec 13 14:58:48.031 INFO [stderr]     |
Dec 13 14:58:48.031 INFO [stderr] 358 |         let mut columnIndex = 0;
Dec 13 14:58:48.031 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_columnIndex` instead
Dec 13 14:58:48.031 INFO [stderr] 
Dec 13 14:58:48.057 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.057 INFO [stderr]    --> src/lib.rs:146:9
Dec 13 14:58:48.057 INFO [stderr]     |
Dec 13 14:58:48.057 INFO [stderr] 146 |     let mut empty_vec = Vec::new();
Dec 13 14:58:48.057 INFO [stderr]     |         ----^^^^^^^^^
Dec 13 14:58:48.057 INFO [stderr]     |         |
Dec 13 14:58:48.057 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:48.057 INFO [stderr]     |
Dec 13 14:58:48.063 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 14:58:48.063 INFO [stderr] 
Dec 13 14:58:48.063 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.063 INFO [stderr]    --> src/lib.rs:183:13
Dec 13 14:58:48.063 INFO [stderr]     |
Dec 13 14:58:48.063 INFO [stderr] 183 |         let mut size = self.row * self.col;
Dec 13 14:58:48.063 INFO [stderr]     |             ----^^^^
Dec 13 14:58:48.063 INFO [stderr]     |             |
Dec 13 14:58:48.063 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:48.063 INFO [stderr] 
Dec 13 14:58:48.063 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.063 INFO [stderr]    --> src/lib.rs:210:13
Dec 13 14:58:48.063 INFO [stderr]     |
Dec 13 14:58:48.063 INFO [stderr] 210 |         let mut size = self.row * self.col;
Dec 13 14:58:48.063 INFO [stderr]     |             ----^^^^
Dec 13 14:58:48.063 INFO [stderr]     |             |
Dec 13 14:58:48.063 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:48.063 INFO [stderr] 
Dec 13 14:58:48.066 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.069 INFO [stderr]    --> src/lib.rs:235:9
Dec 13 14:58:48.069 INFO [stderr]     |
Dec 13 14:58:48.069 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Dec 13 14:58:48.069 INFO [stderr]     |         ----^^^^^^
Dec 13 14:58:48.069 INFO [stderr]     |         |
Dec 13 14:58:48.069 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:48.069 INFO [stderr] 
Dec 13 14:58:48.069 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.070 INFO [stderr]    --> src/lib.rs:236:9
Dec 13 14:58:48.070 INFO [stderr]     |
Dec 13 14:58:48.070 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Dec 13 14:58:48.070 INFO [stderr]     |         ----^^^^^^
Dec 13 14:58:48.070 INFO [stderr]     |         |
Dec 13 14:58:48.070 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:48.070 INFO [stderr] 
Dec 13 14:58:48.070 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.070 INFO [stderr]    --> src/lib.rs:237:9
Dec 13 14:58:48.070 INFO [stderr]     |
Dec 13 14:58:48.070 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Dec 13 14:58:48.070 INFO [stderr]     |         ----^^^^^^
Dec 13 14:58:48.070 INFO [stderr]     |         |
Dec 13 14:58:48.070 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:48.070 INFO [stderr] 
Dec 13 14:58:48.070 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.070 INFO [stderr]    --> src/lib.rs:238:9
Dec 13 14:58:48.070 INFO [stderr]     |
Dec 13 14:58:48.070 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Dec 13 14:58:48.070 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 13 14:58:48.070 INFO [stderr]     |         |
Dec 13 14:58:48.070 INFO [stderr]     |         help: remove this `mut`
Dec 13 14:58:48.070 INFO [stderr] 
Dec 13 14:58:48.086 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.086 INFO [stderr]    --> src/lib.rs:356:13
Dec 13 14:58:48.086 INFO [stderr]     |
Dec 13 14:58:48.086 INFO [stderr] 356 |         let mut stringSpace = " ";
Dec 13 14:58:48.086 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 13 14:58:48.086 INFO [stderr]     |             |
Dec 13 14:58:48.086 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:48.086 INFO [stderr] 
Dec 13 14:58:48.087 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.087 INFO [stderr]    --> src/lib.rs:357:13
Dec 13 14:58:48.087 INFO [stderr]     |
Dec 13 14:58:48.087 INFO [stderr] 357 |         let mut stringNewline = "\n";
Dec 13 14:58:48.087 INFO [stderr]     |             ----^^^^^^^^^^^^^
Dec 13 14:58:48.087 INFO [stderr]     |             |
Dec 13 14:58:48.087 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:48.087 INFO [stderr] 
Dec 13 14:58:48.087 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:58:48.087 INFO [stderr]    --> src/lib.rs:358:13
Dec 13 14:58:48.087 INFO [stderr]     |
Dec 13 14:58:48.087 INFO [stderr] 358 |         let mut columnIndex = 0;
Dec 13 14:58:48.087 INFO [stderr]     |             ----^^^^^^^^^^^
Dec 13 14:58:48.087 INFO [stderr]     |             |
Dec 13 14:58:48.087 INFO [stderr]     |             help: remove this `mut`
Dec 13 14:58:48.087 INFO [stderr] 
Dec 13 14:58:48.095 INFO [stderr] warning: variable `resultMatrix` should have a snake case name such as `result_matrix`
Dec 13 14:58:48.095 INFO [stderr]    --> src/lib.rs:355:13
Dec 13 14:58:48.095 INFO [stderr]     |
Dec 13 14:58:48.095 INFO [stderr] 355 |         let mut resultMatrix = "".to_string();
Dec 13 14:58:48.095 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 13 14:58:48.095 INFO [stderr]     |
Dec 13 14:58:48.095 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 13 14:58:48.095 INFO [stderr] 
Dec 13 14:58:48.095 INFO [stderr] warning: variable `stringSpace` should have a snake case name such as `string_space`
Dec 13 14:58:48.095 INFO [stderr]    --> src/lib.rs:356:13
Dec 13 14:58:48.095 INFO [stderr]     |
Dec 13 14:58:48.095 INFO [stderr] 356 |         let mut stringSpace = " ";
Dec 13 14:58:48.095 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 14:58:48.095 INFO [stderr] 
Dec 13 14:58:48.095 INFO [stderr] warning: variable `stringNewline` should have a snake case name such as `string_newline`
Dec 13 14:58:48.095 INFO [stderr]    --> src/lib.rs:357:13
Dec 13 14:58:48.095 INFO [stderr]     |
Dec 13 14:58:48.095 INFO [stderr] 357 |         let mut stringNewline = "\n";
Dec 13 14:58:48.095 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 13 14:58:48.095 INFO [stderr] 
Dec 13 14:58:48.095 INFO [stderr] warning: variable `columnIndex` should have a snake case name such as `column_index`
Dec 13 14:58:48.095 INFO [stderr]    --> src/lib.rs:358:13
Dec 13 14:58:48.095 INFO [stderr]     |
Dec 13 14:58:48.095 INFO [stderr] 358 |         let mut columnIndex = 0;
Dec 13 14:58:48.095 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 13 14:58:48.095 INFO [stderr] 
Dec 13 14:58:48.095 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Dec 13 14:58:48.095 INFO [stderr]    --> src/lib.rs:372:21
Dec 13 14:58:48.096 INFO [stderr]     |
Dec 13 14:58:48.096 INFO [stderr] 372 |                 let mut stringElement : String = self.data[k].to_string();
Dec 13 14:58:48.096 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 13 14:58:48.096 INFO [stderr] 
Dec 13 14:58:48.096 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Dec 13 14:58:48.096 INFO [stderr]    --> src/lib.rs:380:21
Dec 13 14:58:48.096 INFO [stderr]     |
Dec 13 14:58:48.096 INFO [stderr] 380 |                 let mut stringElement : String = self.data[k].to_string();
Dec 13 14:58:48.096 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 13 14:58:48.096 INFO [stderr] 
Dec 13 14:58:48.886 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Dec 13 14:58:48.889 INFO [stderr] su: No module specific data is present
Dec 13 14:58:49.352 INFO running `"docker" "inspect" "30179e830e0e47a8681ef29b1e1f29f400d3440a46890d397da61f5ebdacf77d"`
Dec 13 14:58:49.451 INFO running `"docker" "rm" "-f" "30179e830e0e47a8681ef29b1e1f29f400d3440a46890d397da61f5ebdacf77d"`
Dec 13 14:58:49.560 INFO [stdout] 30179e830e0e47a8681ef29b1e1f29f400d3440a46890d397da61f5ebdacf77d
Dec 13 14:58:49.562 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 14:58:49.759 INFO [stdout] edb64c5bdd384568c3b5bee37a27e4998fea99f5c090f63a89b8c0b315a4410a
Dec 13 14:58:49.761 INFO running `"docker" "start" "-a" "edb64c5bdd384568c3b5bee37a27e4998fea99f5c090f63a89b8c0b315a4410a"`
Dec 13 14:58:50.409 INFO [stderr] usermod: no changes
Dec 13 14:58:50.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 14:58:50.460 INFO [stderr]      Running /target/debug/deps/your-517f78931ee85825
Dec 13 14:58:50.460 INFO [stdout] 
Dec 13 14:58:50.460 INFO [stdout] running 12 tests
Dec 13 14:58:50.460 INFO [stdout] test test_data ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_mul ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_add ... ok
Dec 13 14:58:50.460 INFO [stdout] test test ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_fmt ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_new ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_mut_data ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_new_empty ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_size ... ok
Dec 13 14:58:50.460 INFO [stdout] test test_sub ... ok
Dec 13 14:58:50.477 INFO [stdout] test test_add_panic ... ok
Dec 13 14:58:50.477 INFO [stdout] test test_sub_panic ... ok
Dec 13 14:58:50.477 INFO [stdout] 
Dec 13 14:58:50.477 INFO [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:58:50.477 INFO [stdout] 
Dec 13 14:58:50.479 INFO [stderr]    Doc-tests your
Dec 13 14:58:50.887 INFO [stdout] 
Dec 13 14:58:50.887 INFO [stdout] running 0 tests
Dec 13 14:58:50.887 INFO [stdout] 
Dec 13 14:58:50.887 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:58:50.887 INFO [stdout] 
Dec 13 14:58:50.892 INFO [stderr] su: No module specific data is present
Dec 13 14:58:51.205 INFO running `"docker" "inspect" "edb64c5bdd384568c3b5bee37a27e4998fea99f5c090f63a89b8c0b315a4410a"`
Dec 13 14:58:51.454 INFO running `"docker" "rm" "-f" "edb64c5bdd384568c3b5bee37a27e4998fea99f5c090f63a89b8c0b315a4410a"`
Dec 13 14:58:51.553 INFO [stdout] edb64c5bdd384568c3b5bee37a27e4998fea99f5c090f63a89b8c0b315a4410a