Nov 16 23:13:27.073 INFO testing jramos14/Matrix-Operations against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 23:13:27.073 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 23:13:27.539 INFO [stdout] c4c2891777acbf377b92e60ada9b0f604561365990d161ee447076b3a7443085
Nov 16 23:13:27.542 INFO running `"docker" "start" "-a" "c4c2891777acbf377b92e60ada9b0f604561365990d161ee447076b3a7443085"`
Nov 16 23:13:28.727 INFO [stderr] usermod: no changes
Nov 16 23:13:28.775 INFO [stderr]    Compiling your v0.1.0 (/source)
Nov 16 23:13:29.043 INFO [stderr] warning: unused import: `std::ops::Add`
Nov 16 23:13:29.043 INFO [stderr]    --> src/lib.rs:117:5
Nov 16 23:13:29.043 INFO [stderr]     |
Nov 16 23:13:29.043 INFO [stderr] 117 | use std::ops::Add;
Nov 16 23:13:29.043 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 16 23:13:29.043 INFO [stderr]     |
Nov 16 23:13:29.043 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 16 23:13:29.043 INFO [stderr] 
Nov 16 23:13:29.127 INFO [stderr] warning: unused variable: `stack1`
Nov 16 23:13:29.127 INFO [stderr]    --> src/lib.rs:235:13
Nov 16 23:13:29.127 INFO [stderr]     |
Nov 16 23:13:29.127 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Nov 16 23:13:29.127 INFO [stderr]     |             ^^^^^^ help: consider using `_stack1` instead
Nov 16 23:13:29.127 INFO [stderr]     |
Nov 16 23:13:29.127 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 23:13:29.128 INFO [stderr] 
Nov 16 23:13:29.128 INFO [stderr] warning: unused variable: `stack2`
Nov 16 23:13:29.128 INFO [stderr]    --> src/lib.rs:236:13
Nov 16 23:13:29.128 INFO [stderr]     |
Nov 16 23:13:29.128 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Nov 16 23:13:29.128 INFO [stderr]     |             ^^^^^^ help: consider using `_stack2` instead
Nov 16 23:13:29.128 INFO [stderr] 
Nov 16 23:13:29.128 INFO [stderr] warning: unused variable: `stack3`
Nov 16 23:13:29.128 INFO [stderr]    --> src/lib.rs:237:13
Nov 16 23:13:29.128 INFO [stderr]     |
Nov 16 23:13:29.128 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Nov 16 23:13:29.128 INFO [stderr]     |             ^^^^^^ help: consider using `_stack3` instead
Nov 16 23:13:29.128 INFO [stderr] 
Nov 16 23:13:29.128 INFO [stderr] warning: unused variable: `empty_stack`
Nov 16 23:13:29.128 INFO [stderr]    --> src/lib.rs:238:13
Nov 16 23:13:29.128 INFO [stderr]     |
Nov 16 23:13:29.128 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Nov 16 23:13:29.128 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_empty_stack` instead
Nov 16 23:13:29.129 INFO [stderr] 
Nov 16 23:13:29.129 INFO [stderr] warning: unused variable: `columnIndex`
Nov 16 23:13:29.129 INFO [stderr]    --> src/lib.rs:358:17
Nov 16 23:13:29.129 INFO [stderr]     |
Nov 16 23:13:29.129 INFO [stderr] 358 |         let mut columnIndex = 0;
Nov 16 23:13:29.129 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_columnIndex` instead
Nov 16 23:13:29.129 INFO [stderr] 
Nov 16 23:13:29.131 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.131 INFO [stderr]    --> src/lib.rs:146:9
Nov 16 23:13:29.131 INFO [stderr]     |
Nov 16 23:13:29.131 INFO [stderr] 146 |     let mut empty_vec = Vec::new();
Nov 16 23:13:29.131 INFO [stderr]     |         ----^^^^^^^^^
Nov 16 23:13:29.131 INFO [stderr]     |         |
Nov 16 23:13:29.131 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:29.131 INFO [stderr]     |
Nov 16 23:13:29.131 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 23:13:29.131 INFO [stderr] 
Nov 16 23:13:29.139 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.139 INFO [stderr]    --> src/lib.rs:183:13
Nov 16 23:13:29.139 INFO [stderr]     |
Nov 16 23:13:29.139 INFO [stderr] 183 |         let mut size = self.row * self.col;
Nov 16 23:13:29.139 INFO [stderr]     |             ----^^^^
Nov 16 23:13:29.139 INFO [stderr]     |             |
Nov 16 23:13:29.139 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:29.139 INFO [stderr] 
Nov 16 23:13:29.139 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.139 INFO [stderr]    --> src/lib.rs:210:13
Nov 16 23:13:29.139 INFO [stderr]     |
Nov 16 23:13:29.139 INFO [stderr] 210 |         let mut size = self.row * self.col;
Nov 16 23:13:29.139 INFO [stderr]     |             ----^^^^
Nov 16 23:13:29.140 INFO [stderr]     |             |
Nov 16 23:13:29.140 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:29.140 INFO [stderr] 
Nov 16 23:13:29.146 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.146 INFO [stderr]    --> src/lib.rs:235:9
Nov 16 23:13:29.146 INFO [stderr]     |
Nov 16 23:13:29.146 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Nov 16 23:13:29.146 INFO [stderr]     |         ----^^^^^^
Nov 16 23:13:29.146 INFO [stderr]     |         |
Nov 16 23:13:29.146 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:29.146 INFO [stderr] 
Nov 16 23:13:29.146 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.146 INFO [stderr]    --> src/lib.rs:236:9
Nov 16 23:13:29.146 INFO [stderr]     |
Nov 16 23:13:29.146 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Nov 16 23:13:29.146 INFO [stderr]     |         ----^^^^^^
Nov 16 23:13:29.146 INFO [stderr]     |         |
Nov 16 23:13:29.146 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:29.146 INFO [stderr] 
Nov 16 23:13:29.146 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.146 INFO [stderr]    --> src/lib.rs:237:9
Nov 16 23:13:29.146 INFO [stderr]     |
Nov 16 23:13:29.146 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Nov 16 23:13:29.146 INFO [stderr]     |         ----^^^^^^
Nov 16 23:13:29.146 INFO [stderr]     |         |
Nov 16 23:13:29.146 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:29.146 INFO [stderr] 
Nov 16 23:13:29.146 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.146 INFO [stderr]    --> src/lib.rs:238:9
Nov 16 23:13:29.146 INFO [stderr]     |
Nov 16 23:13:29.146 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Nov 16 23:13:29.146 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 16 23:13:29.146 INFO [stderr]     |         |
Nov 16 23:13:29.146 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:29.146 INFO [stderr] 
Nov 16 23:13:29.151 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.151 INFO [stderr]    --> src/lib.rs:356:13
Nov 16 23:13:29.151 INFO [stderr]     |
Nov 16 23:13:29.151 INFO [stderr] 356 |         let mut stringSpace = " ";
Nov 16 23:13:29.151 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 16 23:13:29.151 INFO [stderr]     |             |
Nov 16 23:13:29.151 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:29.151 INFO [stderr] 
Nov 16 23:13:29.151 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.151 INFO [stderr]    --> src/lib.rs:357:13
Nov 16 23:13:29.152 INFO [stderr]     |
Nov 16 23:13:29.152 INFO [stderr] 357 |         let mut stringNewline = "\n";
Nov 16 23:13:29.152 INFO [stderr]     |             ----^^^^^^^^^^^^^
Nov 16 23:13:29.152 INFO [stderr]     |             |
Nov 16 23:13:29.152 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:29.152 INFO [stderr] 
Nov 16 23:13:29.152 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:29.152 INFO [stderr]    --> src/lib.rs:358:13
Nov 16 23:13:29.152 INFO [stderr]     |
Nov 16 23:13:29.152 INFO [stderr] 358 |         let mut columnIndex = 0;
Nov 16 23:13:29.152 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 16 23:13:29.152 INFO [stderr]     |             |
Nov 16 23:13:29.152 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:29.152 INFO [stderr] 
Nov 16 23:13:29.152 INFO [stderr] warning: variable `resultMatrix` should have a snake case name such as `result_matrix`
Nov 16 23:13:29.152 INFO [stderr]    --> src/lib.rs:355:13
Nov 16 23:13:29.152 INFO [stderr]     |
Nov 16 23:13:29.152 INFO [stderr] 355 |         let mut resultMatrix = "".to_string();
Nov 16 23:13:29.152 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Nov 16 23:13:29.152 INFO [stderr]     |
Nov 16 23:13:29.152 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 16 23:13:29.152 INFO [stderr] 
Nov 16 23:13:29.152 INFO [stderr] warning: variable `stringSpace` should have a snake case name such as `string_space`
Nov 16 23:13:29.152 INFO [stderr]    --> src/lib.rs:356:13
Nov 16 23:13:29.153 INFO [stderr]     |
Nov 16 23:13:29.153 INFO [stderr] 356 |         let mut stringSpace = " ";
Nov 16 23:13:29.153 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Nov 16 23:13:29.153 INFO [stderr] 
Nov 16 23:13:29.153 INFO [stderr] warning: variable `stringNewline` should have a snake case name such as `string_newline`
Nov 16 23:13:29.153 INFO [stderr]    --> src/lib.rs:357:13
Nov 16 23:13:29.153 INFO [stderr]     |
Nov 16 23:13:29.153 INFO [stderr] 357 |         let mut stringNewline = "\n";
Nov 16 23:13:29.153 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Nov 16 23:13:29.153 INFO [stderr] 
Nov 16 23:13:29.153 INFO [stderr] warning: variable `columnIndex` should have a snake case name such as `column_index`
Nov 16 23:13:29.153 INFO [stderr]    --> src/lib.rs:358:13
Nov 16 23:13:29.153 INFO [stderr]     |
Nov 16 23:13:29.153 INFO [stderr] 358 |         let mut columnIndex = 0;
Nov 16 23:13:29.153 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Nov 16 23:13:29.153 INFO [stderr] 
Nov 16 23:13:29.153 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Nov 16 23:13:29.153 INFO [stderr]    --> src/lib.rs:372:21
Nov 16 23:13:29.153 INFO [stderr]     |
Nov 16 23:13:29.153 INFO [stderr] 372 |                 let mut stringElement : String = self.data[k].to_string();
Nov 16 23:13:29.153 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Nov 16 23:13:29.153 INFO [stderr] 
Nov 16 23:13:29.153 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Nov 16 23:13:29.153 INFO [stderr]    --> src/lib.rs:380:21
Nov 16 23:13:29.154 INFO [stderr]     |
Nov 16 23:13:29.154 INFO [stderr] 380 |                 let mut stringElement : String = self.data[k].to_string();
Nov 16 23:13:29.154 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Nov 16 23:13:29.154 INFO [stderr] 
Nov 16 23:13:29.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Nov 16 23:13:29.227 INFO [stderr] su: No module specific data is present
Nov 16 23:13:29.937 INFO running `"docker" "inspect" "c4c2891777acbf377b92e60ada9b0f604561365990d161ee447076b3a7443085"`
Nov 16 23:13:30.223 INFO running `"docker" "rm" "-f" "c4c2891777acbf377b92e60ada9b0f604561365990d161ee447076b3a7443085"`
Nov 16 23:13:30.487 INFO [stdout] c4c2891777acbf377b92e60ada9b0f604561365990d161ee447076b3a7443085
Nov 16 23:13:30.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 23:13:30.967 INFO [stdout] 95f4f3d435b15890c7d02ce365587447baf7a6dbfbc60e927a7d6a5f653b4107
Nov 16 23:13:30.967 INFO running `"docker" "start" "-a" "95f4f3d435b15890c7d02ce365587447baf7a6dbfbc60e927a7d6a5f653b4107"`
Nov 16 23:13:31.927 INFO [stderr] usermod: no changes
Nov 16 23:13:31.966 INFO [stderr]    Compiling your v0.1.0 (/source)
Nov 16 23:13:32.263 INFO [stderr] warning: unused import: `std::ops::Add`
Nov 16 23:13:32.263 INFO [stderr]    --> src/lib.rs:117:5
Nov 16 23:13:32.263 INFO [stderr]     |
Nov 16 23:13:32.263 INFO [stderr] 117 | use std::ops::Add;
Nov 16 23:13:32.263 INFO [stderr]     |     ^^^^^^^^^^^^^
Nov 16 23:13:32.263 INFO [stderr]     |
Nov 16 23:13:32.263 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 16 23:13:32.263 INFO [stderr] 
Nov 16 23:13:32.443 INFO [stderr] warning: unused variable: `stack1`
Nov 16 23:13:32.444 INFO [stderr]    --> src/lib.rs:235:13
Nov 16 23:13:32.444 INFO [stderr]     |
Nov 16 23:13:32.444 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Nov 16 23:13:32.445 INFO [stderr]     |             ^^^^^^ help: consider using `_stack1` instead
Nov 16 23:13:32.445 INFO [stderr]     |
Nov 16 23:13:32.445 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 16 23:13:32.445 INFO [stderr] 
Nov 16 23:13:32.446 INFO [stderr] warning: unused variable: `stack2`
Nov 16 23:13:32.446 INFO [stderr]    --> src/lib.rs:236:13
Nov 16 23:13:32.446 INFO [stderr]     |
Nov 16 23:13:32.446 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Nov 16 23:13:32.446 INFO [stderr]     |             ^^^^^^ help: consider using `_stack2` instead
Nov 16 23:13:32.447 INFO [stderr] 
Nov 16 23:13:32.447 INFO [stderr] warning: unused variable: `stack3`
Nov 16 23:13:32.447 INFO [stderr]    --> src/lib.rs:237:13
Nov 16 23:13:32.447 INFO [stderr]     |
Nov 16 23:13:32.448 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Nov 16 23:13:32.448 INFO [stderr]     |             ^^^^^^ help: consider using `_stack3` instead
Nov 16 23:13:32.448 INFO [stderr] 
Nov 16 23:13:32.448 INFO [stderr] warning: unused variable: `empty_stack`
Nov 16 23:13:32.448 INFO [stderr]    --> src/lib.rs:238:13
Nov 16 23:13:32.448 INFO [stderr]     |
Nov 16 23:13:32.449 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Nov 16 23:13:32.449 INFO [stderr]     |             ^^^^^^^^^^^ help: consider using `_empty_stack` instead
Nov 16 23:13:32.449 INFO [stderr] 
Nov 16 23:13:32.449 INFO [stderr] warning: unused variable: `columnIndex`
Nov 16 23:13:32.449 INFO [stderr]    --> src/lib.rs:358:17
Nov 16 23:13:32.449 INFO [stderr]     |
Nov 16 23:13:32.450 INFO [stderr] 358 |         let mut columnIndex = 0;
Nov 16 23:13:32.450 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_columnIndex` instead
Nov 16 23:13:32.450 INFO [stderr] 
Nov 16 23:13:32.471 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.472 INFO [stderr]    --> src/lib.rs:146:9
Nov 16 23:13:32.473 INFO [stderr]     |
Nov 16 23:13:32.473 INFO [stderr] 146 |     let mut empty_vec = Vec::new();
Nov 16 23:13:32.473 INFO [stderr]     |         ----^^^^^^^^^
Nov 16 23:13:32.474 INFO [stderr]     |         |
Nov 16 23:13:32.474 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:32.474 INFO [stderr]     |
Nov 16 23:13:32.475 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 23:13:32.475 INFO [stderr] 
Nov 16 23:13:32.476 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.477 INFO [stderr]    --> src/lib.rs:183:13
Nov 16 23:13:32.477 INFO [stderr]     |
Nov 16 23:13:32.477 INFO [stderr] 183 |         let mut size = self.row * self.col;
Nov 16 23:13:32.478 INFO [stderr]     |             ----^^^^
Nov 16 23:13:32.478 INFO [stderr]     |             |
Nov 16 23:13:32.478 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:32.479 INFO [stderr] 
Nov 16 23:13:32.479 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.479 INFO [stderr]    --> src/lib.rs:210:13
Nov 16 23:13:32.479 INFO [stderr]     |
Nov 16 23:13:32.480 INFO [stderr] 210 |         let mut size = self.row * self.col;
Nov 16 23:13:32.480 INFO [stderr]     |             ----^^^^
Nov 16 23:13:32.480 INFO [stderr]     |             |
Nov 16 23:13:32.480 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:32.481 INFO [stderr] 
Nov 16 23:13:32.482 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.482 INFO [stderr]    --> src/lib.rs:235:9
Nov 16 23:13:32.482 INFO [stderr]     |
Nov 16 23:13:32.482 INFO [stderr] 235 |     let mut stack1: Vec<T> = vec![];
Nov 16 23:13:32.482 INFO [stderr]     |         ----^^^^^^
Nov 16 23:13:32.482 INFO [stderr]     |         |
Nov 16 23:13:32.482 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:32.482 INFO [stderr] 
Nov 16 23:13:32.482 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.482 INFO [stderr]    --> src/lib.rs:236:9
Nov 16 23:13:32.482 INFO [stderr]     |
Nov 16 23:13:32.482 INFO [stderr] 236 |     let mut stack2: Vec<T> = vec![];
Nov 16 23:13:32.482 INFO [stderr]     |         ----^^^^^^
Nov 16 23:13:32.482 INFO [stderr]     |         |
Nov 16 23:13:32.482 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:32.482 INFO [stderr] 
Nov 16 23:13:32.482 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.482 INFO [stderr]    --> src/lib.rs:237:9
Nov 16 23:13:32.482 INFO [stderr]     |
Nov 16 23:13:32.482 INFO [stderr] 237 |     let mut stack3: Vec<T> = vec![];
Nov 16 23:13:32.482 INFO [stderr]     |         ----^^^^^^
Nov 16 23:13:32.482 INFO [stderr]     |         |
Nov 16 23:13:32.482 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:32.482 INFO [stderr] 
Nov 16 23:13:32.482 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.482 INFO [stderr]    --> src/lib.rs:238:9
Nov 16 23:13:32.482 INFO [stderr]     |
Nov 16 23:13:32.482 INFO [stderr] 238 |     let mut empty_stack: Vec<T> = vec![];
Nov 16 23:13:32.482 INFO [stderr]     |         ----^^^^^^^^^^^
Nov 16 23:13:32.482 INFO [stderr]     |         |
Nov 16 23:13:32.482 INFO [stderr]     |         help: remove this `mut`
Nov 16 23:13:32.482 INFO [stderr] 
Nov 16 23:13:32.490 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.490 INFO [stderr]    --> src/lib.rs:356:13
Nov 16 23:13:32.490 INFO [stderr]     |
Nov 16 23:13:32.490 INFO [stderr] 356 |         let mut stringSpace = " ";
Nov 16 23:13:32.490 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 16 23:13:32.490 INFO [stderr]     |             |
Nov 16 23:13:32.490 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:32.490 INFO [stderr] 
Nov 16 23:13:32.490 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.490 INFO [stderr]    --> src/lib.rs:357:13
Nov 16 23:13:32.490 INFO [stderr]     |
Nov 16 23:13:32.490 INFO [stderr] 357 |         let mut stringNewline = "\n";
Nov 16 23:13:32.490 INFO [stderr]     |             ----^^^^^^^^^^^^^
Nov 16 23:13:32.490 INFO [stderr]     |             |
Nov 16 23:13:32.490 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:32.490 INFO [stderr] 
Nov 16 23:13:32.490 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:13:32.490 INFO [stderr]    --> src/lib.rs:358:13
Nov 16 23:13:32.490 INFO [stderr]     |
Nov 16 23:13:32.490 INFO [stderr] 358 |         let mut columnIndex = 0;
Nov 16 23:13:32.490 INFO [stderr]     |             ----^^^^^^^^^^^
Nov 16 23:13:32.490 INFO [stderr]     |             |
Nov 16 23:13:32.490 INFO [stderr]     |             help: remove this `mut`
Nov 16 23:13:32.490 INFO [stderr] 
Nov 16 23:13:32.499 INFO [stderr] warning: variable `resultMatrix` should have a snake case name such as `result_matrix`
Nov 16 23:13:32.499 INFO [stderr]    --> src/lib.rs:355:13
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr] 355 |         let mut resultMatrix = "".to_string();
Nov 16 23:13:32.499 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 16 23:13:32.499 INFO [stderr] 
Nov 16 23:13:32.499 INFO [stderr] warning: variable `stringSpace` should have a snake case name such as `string_space`
Nov 16 23:13:32.499 INFO [stderr]    --> src/lib.rs:356:13
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr] 356 |         let mut stringSpace = " ";
Nov 16 23:13:32.499 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Nov 16 23:13:32.499 INFO [stderr] 
Nov 16 23:13:32.499 INFO [stderr] warning: variable `stringNewline` should have a snake case name such as `string_newline`
Nov 16 23:13:32.499 INFO [stderr]    --> src/lib.rs:357:13
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr] 357 |         let mut stringNewline = "\n";
Nov 16 23:13:32.499 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Nov 16 23:13:32.499 INFO [stderr] 
Nov 16 23:13:32.499 INFO [stderr] warning: variable `columnIndex` should have a snake case name such as `column_index`
Nov 16 23:13:32.499 INFO [stderr]    --> src/lib.rs:358:13
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr] 358 |         let mut columnIndex = 0;
Nov 16 23:13:32.499 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Nov 16 23:13:32.499 INFO [stderr] 
Nov 16 23:13:32.499 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Nov 16 23:13:32.499 INFO [stderr]    --> src/lib.rs:372:21
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr] 372 |                 let mut stringElement : String = self.data[k].to_string();
Nov 16 23:13:32.499 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Nov 16 23:13:32.499 INFO [stderr] 
Nov 16 23:13:32.499 INFO [stderr] warning: variable `stringElement` should have a snake case name such as `string_element`
Nov 16 23:13:32.499 INFO [stderr]    --> src/lib.rs:380:21
Nov 16 23:13:32.499 INFO [stderr]     |
Nov 16 23:13:32.499 INFO [stderr] 380 |                 let mut stringElement : String = self.data[k].to_string();
Nov 16 23:13:32.499 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Nov 16 23:13:32.499 INFO [stderr] 
Nov 16 23:13:32.965 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Nov 16 23:13:32.966 INFO [stderr] su: No module specific data is present
Nov 16 23:13:33.197 INFO running `"docker" "inspect" "95f4f3d435b15890c7d02ce365587447baf7a6dbfbc60e927a7d6a5f653b4107"`
Nov 16 23:13:33.256 INFO running `"docker" "rm" "-f" "95f4f3d435b15890c7d02ce365587447baf7a6dbfbc60e927a7d6a5f653b4107"`
Nov 16 23:13:33.344 INFO [stdout] 95f4f3d435b15890c7d02ce365587447baf7a6dbfbc60e927a7d6a5f653b4107
Nov 16 23:13:33.346 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 23:13:33.653 INFO [stdout] d6a31952cd938c2d40dd78272a588bf5c21978eab0a25822e406f55768946763
Nov 16 23:13:33.654 INFO running `"docker" "start" "-a" "d6a31952cd938c2d40dd78272a588bf5c21978eab0a25822e406f55768946763"`
Nov 16 23:13:34.225 INFO [stderr] usermod: no changes
Nov 16 23:13:34.266 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 16 23:13:34.266 INFO [stderr]      Running /target/debug/deps/your-8da529a62eaa1ef2
Nov 16 23:13:34.272 INFO [stdout] 
Nov 16 23:13:34.272 INFO [stdout] running 12 tests
Nov 16 23:13:34.272 INFO [stdout] test test_mut_data ... ok
Nov 16 23:13:34.274 INFO [stdout] test test_mul ... ok
Nov 16 23:13:34.274 INFO [stdout] test test_new ... ok
Nov 16 23:13:34.274 INFO [stdout] test test_data ... ok
Nov 16 23:13:34.274 INFO [stdout] test test_add ... ok
Nov 16 23:13:34.274 INFO [stdout] test test_fmt ... ok
Nov 16 23:13:34.276 INFO [stdout] test test ... ok
Nov 16 23:13:34.287 INFO [stdout] test test_size ... ok
Nov 16 23:13:34.287 INFO [stdout] test test_sub ... ok
Nov 16 23:13:34.288 INFO [stdout] test test_new_empty ... ok
Nov 16 23:13:34.326 INFO [stdout] test test_add_panic ... ok
Nov 16 23:13:34.326 INFO [stdout] test test_sub_panic ... ok
Nov 16 23:13:34.326 INFO [stdout] 
Nov 16 23:13:34.326 INFO [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:13:34.326 INFO [stdout] 
Nov 16 23:13:34.331 INFO [stderr]    Doc-tests your
Nov 16 23:13:34.703 INFO [stdout] 
Nov 16 23:13:34.703 INFO [stdout] running 0 tests
Nov 16 23:13:34.704 INFO [stdout] 
Nov 16 23:13:34.704 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:13:34.704 INFO [stdout] 
Nov 16 23:13:34.711 INFO [stderr] su: No module specific data is present
Nov 16 23:13:35.096 INFO running `"docker" "inspect" "d6a31952cd938c2d40dd78272a588bf5c21978eab0a25822e406f55768946763"`
Nov 16 23:13:35.193 INFO running `"docker" "rm" "-f" "d6a31952cd938c2d40dd78272a588bf5c21978eab0a25822e406f55768946763"`
Nov 16 23:13:35.274 INFO [stdout] d6a31952cd938c2d40dd78272a588bf5c21978eab0a25822e406f55768946763