[INFO] cloning repository https://github.com/hanemil1512/SudokuSolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanemil1512/SudokuSolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanemil1512%2FSudokuSolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanemil1512%2FSudokuSolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b5591d500238f74331003d8b0a89dc9abb5608a
[INFO] fixing hanemil1512/SudokuSolver against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanemil1512%2FSudokuSolver" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hanemil1512/SudokuSolver
[INFO] finished tweaking git repo https://github.com/hanemil1512/SudokuSolver
[INFO] tweaked toml for git repo https://github.com/hanemil1512/SudokuSolver written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hanemil1512/SudokuSolver on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hanemil1512/SudokuSolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56
[INFO] running `Command { std: "docker" "start" "687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking sudokuSolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn remove_vec_replicas(v: &Vec<i8>){
[INFO] [stdout]    |                                    - help: try adding a return type: `-> bool`
[INFO] [stdout] ...
[INFO] [stdout] 39 |                 return false;
[INFO] [stdout]    |                        ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut square: Vec<Vec<i8>> = vec![vec![0;9];9];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut fluff: Vec<Vec<i8>> = vec![vec![1,2,3,4,5,6,7,8,9];9];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solved_board`
[INFO] [stdout]   --> src/main.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn solve_sudoku_board(solved_board: &Vec<Vec<i8>>){
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solved_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut square: Vec<Vec<i8>> = vec![vec![0;9];9];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fluff`
[INFO] [stdout]   --> src/main.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut fluff: Vec<Vec<i8>> = vec![vec![1,2,3,4,5,6,7,8,9];9];
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fluff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `box_x`
[INFO] [stdout]    --> src/main.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let box_x: i8 = y + 3*(x % 3 - y/3);
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_box_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `box_y`
[INFO] [stdout]    --> src/main.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let box_y: i8 = y/3 + 3*(x/3);
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_box_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn remove_vec_replicas(v: &Vec<i8>){
[INFO] [stdout]    |                                    - help: try adding a return type: `-> bool`
[INFO] [stdout] ...
[INFO] [stdout] 39 |                 return false;
[INFO] [stdout]    |                        ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudokuSolver` (bin "sudokuSolver") due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut square: Vec<Vec<i8>> = vec![vec![0;9];9];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut fluff: Vec<Vec<i8>> = vec![vec![1,2,3,4,5,6,7,8,9];9];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solved_board`
[INFO] [stdout]   --> src/main.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn solve_sudoku_board(solved_board: &Vec<Vec<i8>>){
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solved_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut square: Vec<Vec<i8>> = vec![vec![0;9];9];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fluff`
[INFO] [stdout]   --> src/main.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut fluff: Vec<Vec<i8>> = vec![vec![1,2,3,4,5,6,7,8,9];9];
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fluff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `box_x`
[INFO] [stdout]    --> src/main.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let box_x: i8 = y + 3*(x % 3 - y/3);
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_box_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `box_y`
[INFO] [stdout]    --> src/main.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let box_y: i8 = y/3 + 3*(x/3);
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_box_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudokuSolver` (bin "sudokuSolver" test) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56", kill_on_drop: false }`
[INFO] [stdout] 687bccaa9f30af4c1d4effcc99b2e577c9a720265f49be575085ac8096d80b56
