[INFO] crate algojam 0.1.0 is already in cache
[INFO] extracting crate algojam 0.1.0 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/algojam/0.1.0
[INFO] extracting crate algojam 0.1.0 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/algojam/0.1.0
[INFO] validating manifest of algojam-0.1.0 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of algojam-0.1.0 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing algojam-0.1.0
[INFO] finished frobbing algojam-0.1.0
[INFO] frobbed toml for algojam-0.1.0 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/algojam/0.1.0/Cargo.toml
[INFO] started frobbing algojam-0.1.0
[INFO] finished frobbing algojam-0.1.0
[INFO] frobbed toml for algojam-0.1.0 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/algojam/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking algojam-0.1.0 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/algojam/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d3ccf5dd41acc88d4afbde7c581a61427636f731d934405ed951758d7208f8f8
[INFO] running `"docker" "start" "-a" "d3ccf5dd41acc88d4afbde7c581a61427636f731d934405ed951758d7208f8f8"`
[INFO] [stderr]     Checking algojam v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]  --> src/google/r_2013.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead, BufReader};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/google/r_2013.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]  --> src/google/r_2013.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead, BufReader};
[INFO] [stderr]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/google/r_2013.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `credits` is never read
[INFO] [stderr]   --> src/code_j.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut credits: i32 = 0;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `item` is never read
[INFO] [stderr]   --> src/code_j.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut item: i32 = 0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flag` is never read
[INFO] [stderr]   --> src/code_j.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut flag: bool = false;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `half`
[INFO] [stderr]   --> src/code_j.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let half = item /2;
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_half`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `backup` is never read
[INFO] [stderr]   --> src/google/r_2016.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut backup: i32 = current_number;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `case`
[INFO] [stderr]   --> src/google/r_2013.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn logic(case: usize){
[INFO] [stderr]    |          ^^^^ help: consider prefixing with an underscore: `_case`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code_j.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut t: i8 = read!();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/google/r_2016.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut sleep: Vec<i32> = vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/google/r_2016.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut current_number = number;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `credits` is never read
[INFO] [stderr]   --> src/code_j.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut credits: i32 = 0;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `item` is never read
[INFO] [stderr]   --> src/code_j.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut item: i32 = 0;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flag` is never read
[INFO] [stderr]   --> src/code_j.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut flag: bool = false;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `half`
[INFO] [stderr]   --> src/code_j.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let half = item /2;
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_half`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `backup` is never read
[INFO] [stderr]   --> src/google/r_2016.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut backup: i32 = current_number;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `case`
[INFO] [stderr]   --> src/google/r_2013.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn logic(case: usize){
[INFO] [stderr]    |          ^^^^ help: consider prefixing with an underscore: `_case`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/code_j.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prob`
[INFO] [stderr]   --> src/code_j.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn prob(){
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/google/r_2009.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `alien_language`
[INFO] [stderr]  --> src/google/r_2009.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn alien_language() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `logic`
[INFO] [stderr]   --> src/google/r_2009.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn logic(l: i32, d: i32, test_case: i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/google/r_2016.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `counting_sheep`
[INFO] [stderr]  --> src/google/r_2016.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn counting_sheep() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `logic`
[INFO] [stderr]   --> src/google/r_2016.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn logic(current_case: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/google/r_2014.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `magic_trick`
[INFO] [stderr]  --> src/google/r_2014.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn magic_trick(){
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `logic`
[INFO] [stderr]   --> src/google/r_2014.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn logic(case: usize){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check`
[INFO] [stderr]   --> src/google/r_2014.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn check(num: i32,arr: [i32; 4] ) -> bool{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_col`
[INFO] [stderr]   --> src/google/r_2013.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn check_col(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_diagonal`
[INFO] [stderr]   --> src/google/r_2013.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn check_diagonal(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/code_j.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut t: i8 = read!();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/google/r_2013.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut X: usize = 0;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/google/r_2013.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut T: usize = 0;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/google/r_2013.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut O: usize = 0;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `o`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/google/r_2016.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut sleep: Vec<i32> = vec![0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/google/r_2016.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut current_number = number;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/code_j.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prob`
[INFO] [stderr]   --> src/code_j.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn prob(){
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/google/r_2009.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `alien_language`
[INFO] [stderr]  --> src/google/r_2009.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn alien_language() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `logic`
[INFO] [stderr]   --> src/google/r_2009.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn logic(l: i32, d: i32, test_case: i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/google/r_2016.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `counting_sheep`
[INFO] [stderr]  --> src/google/r_2016.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn counting_sheep() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `logic`
[INFO] [stderr]   --> src/google/r_2016.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn logic(current_case: usize) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/google/r_2014.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(){
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `magic_trick`
[INFO] [stderr]  --> src/google/r_2014.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn magic_trick(){
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `logic`
[INFO] [stderr]   --> src/google/r_2014.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn logic(case: usize){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check`
[INFO] [stderr]   --> src/google/r_2014.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn check(num: i32,arr: [i32; 4] ) -> bool{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_col`
[INFO] [stderr]   --> src/google/r_2013.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn check_col(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_diagonal`
[INFO] [stderr]   --> src/google/r_2013.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn check_diagonal(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]   --> src/google/r_2013.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut X: usize = 0;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `T` should have a snake case name
[INFO] [stderr]   --> src/google/r_2013.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut T: usize = 0;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `O` should have a snake case name
[INFO] [stderr]   --> src/google/r_2013.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut O: usize = 0;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `o`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "d3ccf5dd41acc88d4afbde7c581a61427636f731d934405ed951758d7208f8f8"`
[INFO] running `"docker" "rm" "-f" "d3ccf5dd41acc88d4afbde7c581a61427636f731d934405ed951758d7208f8f8"`
[INFO] [stdout] d3ccf5dd41acc88d4afbde7c581a61427636f731d934405ed951758d7208f8f8