[INFO] cloning repository https://github.com/iFeyz/chessEngine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iFeyz/chessEngine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiFeyz%2FchessEngine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiFeyz%2FchessEngine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c17abef25f086d195850d034b004f3d959c20f26
[INFO] testing iFeyz/chessEngine against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiFeyz%2FchessEngine" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iFeyz/chessEngine
[INFO] finished tweaking git repo https://github.com/iFeyz/chessEngine
[INFO] tweaked toml for git repo https://github.com/iFeyz/chessEngine written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iFeyz/chessEngine on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iFeyz/chessEngine 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faf365c72d204662e05c8476f621f008b28fc99f2fa28575315bc86515779bdd
[INFO] running `Command { std: "docker" "start" "-a" "faf365c72d204662e05c8476f621f008b28fc99f2fa28575315bc86515779bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faf365c72d204662e05c8476f621f008b28fc99f2fa28575315bc86515779bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf365c72d204662e05c8476f621f008b28fc99f2fa28575315bc86515779bdd", kill_on_drop: false }`
[INFO] [stdout] faf365c72d204662e05c8476f621f008b28fc99f2fa28575315bc86515779bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82cacbdb2c2400b41323d5a059c3c0173d65c08eb88c77584df4f9e46f452030
[INFO] running `Command { std: "docker" "start" "-a" "82cacbdb2c2400b41323d5a059c3c0173d65c08eb88c77584df4f9e46f452030", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Some(number) => if(number <1 || number > 8) {
[INFO] [stdout]    |                           ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -         Some(number) => if(number <1 || number > 8) {
[INFO] [stdout] 30 +         Some(number) => if number <1 || number > 8  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:250:10
[INFO] [stdout]     |
[INFO] [stdout] 250 |     match(halfmove_clock.parse()){
[INFO] [stdout]     |          ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -     match(halfmove_clock.parse()){
[INFO] [stdout] 250 +     match halfmove_clock.parse() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:256:10
[INFO] [stdout]     |
[INFO] [stdout] 256 |     match(fullmove_number.parse()){
[INFO] [stdout]     |          ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -     match(fullmove_number.parse()){
[INFO] [stdout] 256 +     match fullmove_number.parse() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes1`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let bytes1 = bytes[1];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:296:41
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     Some(number) => for i in 0..number {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_row`
[INFO] [stdout]    --> src/main.rs:347:10
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let (first_row , rest) = split_on(fen_str, '/');
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]    --> src/main.rs:347:22
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let (first_row , rest) = split_on(fen_str, '/');
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_to_position` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn bit_to_position(bit : PlacePosition) -> Result<String, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MOD67TABLE` is never used
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | static MOD67TABLE: [usize; 67] = [
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `push_piece_and_square`, `push_empty_square`, and `initialize` are never used
[INFO] [stdout]    --> src/main.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl Game {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 116 |
[INFO] [stdout] 117 |     fn push_piece_and_square(&mut self,position: usize , color : Color , piece_type: PieceType, index: &mut usize){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn push_empty_square(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn initialize() -> Game {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_scan` is never used
[INFO] [stdout]    --> src/main.rs:338:4
[INFO] [stdout]     |
[INFO] [stdout] 338 | fn bit_scan(bit: u64) -> usize {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "82cacbdb2c2400b41323d5a059c3c0173d65c08eb88c77584df4f9e46f452030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cacbdb2c2400b41323d5a059c3c0173d65c08eb88c77584df4f9e46f452030", kill_on_drop: false }`
[INFO] [stdout] 82cacbdb2c2400b41323d5a059c3c0173d65c08eb88c77584df4f9e46f452030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b5df35f5ca54e9834160528a61dc5213fc93bfd543df96dbb60677ab0c038d
[INFO] running `Command { std: "docker" "start" "-a" "d2b5df35f5ca54e9834160528a61dc5213fc93bfd543df96dbb60677ab0c038d", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Some(number) => if(number <1 || number > 8) {
[INFO] [stdout]    |                           ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -         Some(number) => if(number <1 || number > 8) {
[INFO] [stdout] 30 +         Some(number) => if number <1 || number > 8  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:250:10
[INFO] [stdout]     |
[INFO] [stdout] 250 |     match(halfmove_clock.parse()){
[INFO] [stdout]     |          ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 250 -     match(halfmove_clock.parse()){
[INFO] [stdout] 250 +     match halfmove_clock.parse() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:256:10
[INFO] [stdout]     |
[INFO] [stdout] 256 |     match(fullmove_number.parse()){
[INFO] [stdout]     |          ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -     match(fullmove_number.parse()){
[INFO] [stdout] 256 +     match fullmove_number.parse() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes1`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let bytes1 = bytes[1];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:296:41
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     Some(number) => for i in 0..number {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_row`
[INFO] [stdout]    --> src/main.rs:347:10
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let (first_row , rest) = split_on(fen_str, '/');
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]    --> src/main.rs:347:22
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let (first_row , rest) = split_on(fen_str, '/');
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_to_position` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn bit_to_position(bit : PlacePosition) -> Result<String, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MOD67TABLE` is never used
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | static MOD67TABLE: [usize; 67] = [
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `push_piece_and_square`, `push_empty_square`, and `initialize` are never used
[INFO] [stdout]    --> src/main.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl Game {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 116 |
[INFO] [stdout] 117 |     fn push_piece_and_square(&mut self,position: usize , color : Color , piece_type: PieceType, index: &mut usize){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn push_empty_square(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn initialize() -> Game {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_scan` is never used
[INFO] [stdout]    --> src/main.rs:338:4
[INFO] [stdout]     |
[INFO] [stdout] 338 | fn bit_scan(bit: u64) -> usize {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "d2b5df35f5ca54e9834160528a61dc5213fc93bfd543df96dbb60677ab0c038d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b5df35f5ca54e9834160528a61dc5213fc93bfd543df96dbb60677ab0c038d", kill_on_drop: false }`
[INFO] [stdout] d2b5df35f5ca54e9834160528a61dc5213fc93bfd543df96dbb60677ab0c038d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b16d2f12a0d1ac49a5650eabbff510d852b97d68c0d6308c7d57d0f7a67b671e
[INFO] running `Command { std: "docker" "start" "-a" "b16d2f12a0d1ac49a5650eabbff510d852b97d68c0d6308c7d57d0f7a67b671e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Some(number) => if(number <1 || number > 8) {
[INFO] [stderr]    |                           ^                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 30 -         Some(number) => if(number <1 || number > 8) {
[INFO] [stderr] 30 +         Some(number) => if number <1 || number > 8  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/main.rs:250:10
[INFO] [stderr]     |
[INFO] [stderr] 250 |     match(halfmove_clock.parse()){
[INFO] [stderr]     |          ^                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 250 -     match(halfmove_clock.parse()){
[INFO] [stderr] 250 +     match halfmove_clock.parse() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/main.rs:256:10
[INFO] [stderr]     |
[INFO] [stderr] 256 |     match(fullmove_number.parse()){
[INFO] [stderr]     |          ^                       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 256 -     match(fullmove_number.parse()){
[INFO] [stderr] 256 +     match fullmove_number.parse() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes1`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let bytes1 = bytes[1];
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:296:41
[INFO] [stderr]     |
[INFO] [stderr] 296 |                     Some(number) => for i in 0..number {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first_row`
[INFO] [stderr]    --> src/main.rs:347:10
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let (first_row , rest) = split_on(fen_str, '/');
[INFO] [stderr]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/main.rs:347:22
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let (first_row , rest) = split_on(fen_str, '/');
[INFO] [stderr]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: function `bit_to_position` is never used
[INFO] [stderr]  --> src/main.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn bit_to_position(bit : PlacePosition) -> Result<String, String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `MOD67TABLE` is never used
[INFO] [stderr]   --> src/main.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | static MOD67TABLE: [usize; 67] = [
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `push_piece_and_square`, `push_empty_square`, and `initialize` are never used
[INFO] [stderr]    --> src/main.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | impl Game {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr] 116 |
[INFO] [stderr] 117 |     fn push_piece_and_square(&mut self,position: usize , color : Color , piece_type: PieceType, index: &mut usize){
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 |     fn push_empty_square(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 127 |     fn initialize() -> Game {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bit_scan` is never used
[INFO] [stderr]    --> src/main.rs:338:4
[INFO] [stderr]     |
[INFO] [stderr] 338 | fn bit_scan(bit: u64) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess_engine` (bin "chess_engine" test) generated 11 warnings (run `cargo fix --bin "chess_engine" -p chess_engine --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess_engine-8a9a67681ef42f9f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b16d2f12a0d1ac49a5650eabbff510d852b97d68c0d6308c7d57d0f7a67b671e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16d2f12a0d1ac49a5650eabbff510d852b97d68c0d6308c7d57d0f7a67b671e", kill_on_drop: false }`
[INFO] [stdout] b16d2f12a0d1ac49a5650eabbff510d852b97d68c0d6308c7d57d0f7a67b671e