[INFO] cloning repository https://github.com/T-O-R-U-S/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T-O-R-U-S/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67145f19afd841aadda0746ef6bc051db029876e
[INFO] testing T-O-R-U-S/chess against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Fchess" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/T-O-R-U-S/chess on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/T-O-R-U-S/chess
[INFO] finished tweaking git repo https://github.com/T-O-R-U-S/chess
[INFO] tweaked toml for git repo https://github.com/T-O-R-U-S/chess written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/T-O-R-U-S/chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f20618e65693a11e2ec71ce9bbdf90989fda70eb348ec73ff1b0f00d43f9191d
[INFO] running `Command { std: "docker" "start" "-a" "f20618e65693a11e2ec71ce9bbdf90989fda70eb348ec73ff1b0f00d43f9191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20618e65693a11e2ec71ce9bbdf90989fda70eb348ec73ff1b0f00d43f9191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20618e65693a11e2ec71ce9bbdf90989fda70eb348ec73ff1b0f00d43f9191d", kill_on_drop: false }`
[INFO] [stdout] f20618e65693a11e2ec71ce9bbdf90989fda70eb348ec73ff1b0f00d43f9191d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b841b2c8ea342c13cfa42eb1f49c491e5fec946a02c377f1c25567def1f5f74c
[INFO] running `Command { std: "docker" "start" "-a" "b841b2c8ea342c13cfa42eb1f49c491e5fec946a02c377f1c25567def1f5f74c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/board/pieces.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Piece::  Pawn(x, y, s, has_moved) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_moved`
[INFO] [stdout]   --> src/board/pieces.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Piece::  Pawn(x, y, s, has_moved) => {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_moved`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]   --> src/board/pieces.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let default = || {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_1`
[INFO] [stdout]   --> src/board/pieces.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let x_1 = x+1;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_x_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_1`
[INFO] [stdout]   --> src/board/pieces.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let y_1 = y+1;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_y_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pos`
[INFO] [stdout]   --> src/board/pieces.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn movement(&mut self, new_pos: (isize, isize), board: &mut Board) -> Result<()> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/board/pieces.rs:65:54
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn movement(&mut self, new_pos: (isize, isize), board: &mut Board) -> Result<()> {
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_option`
[INFO] [stdout]   --> src/board/pieces.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn to_option(&self) -> Option<Piece> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pos`
[INFO] [stdout]   --> src/board/pieces.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_pos(&self, prev_pos:(isize, isize), new_pos: (isize, isize), board: &mut Board) -> Option<Piece> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "b841b2c8ea342c13cfa42eb1f49c491e5fec946a02c377f1c25567def1f5f74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b841b2c8ea342c13cfa42eb1f49c491e5fec946a02c377f1c25567def1f5f74c", kill_on_drop: false }`
[INFO] [stdout] b841b2c8ea342c13cfa42eb1f49c491e5fec946a02c377f1c25567def1f5f74c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86ba3662378c5cbddbd3083c5c2d42e6cbd25082e74077543a16c77fa9a49fdb
[INFO] running `Command { std: "docker" "start" "-a" "86ba3662378c5cbddbd3083c5c2d42e6cbd25082e74077543a16c77fa9a49fdb", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/board/pieces.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Piece::  Pawn(x, y, s, has_moved) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_moved`
[INFO] [stdout]   --> src/board/pieces.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Piece::  Pawn(x, y, s, has_moved) => {
[INFO] [stdout]    |                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_moved`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default`
[INFO] [stdout]   --> src/board/pieces.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let default = || {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_1`
[INFO] [stdout]   --> src/board/pieces.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let x_1 = x+1;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_x_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_1`
[INFO] [stdout]   --> src/board/pieces.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 let y_1 = y+1;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_y_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pos`
[INFO] [stdout]   --> src/board/pieces.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn movement(&mut self, new_pos: (isize, isize), board: &mut Board) -> Result<()> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/board/pieces.rs:65:54
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn movement(&mut self, new_pos: (isize, isize), board: &mut Board) -> Result<()> {
[INFO] [stdout]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_option`
[INFO] [stdout]   --> src/board/pieces.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn to_option(&self) -> Option<Piece> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pos`
[INFO] [stdout]   --> src/board/pieces.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_pos(&self, prev_pos:(isize, isize), new_pos: (isize, isize), board: &mut Board) -> Option<Piece> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "86ba3662378c5cbddbd3083c5c2d42e6cbd25082e74077543a16c77fa9a49fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ba3662378c5cbddbd3083c5c2d42e6cbd25082e74077543a16c77fa9a49fdb", kill_on_drop: false }`
[INFO] [stdout] 86ba3662378c5cbddbd3083c5c2d42e6cbd25082e74077543a16c77fa9a49fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15a74f7e8d0fa264c568bcd98ca12a4e205e16a567ecc24c3f0e5e2e884dbee8
[INFO] running `Command { std: "docker" "start" "-a" "15a74f7e8d0fa264c568bcd98ca12a4e205e16a567ecc24c3f0e5e2e884dbee8", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/board/pieces.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Piece::  Pawn(x, y, s, has_moved) => {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `has_moved`
[INFO] [stderr]   --> src/board/pieces.rs:67:27
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Piece::  Pawn(x, y, s, has_moved) => {
[INFO] [stderr]    |                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_moved`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `default`
[INFO] [stderr]   --> src/board/pieces.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let default = || {
[INFO] [stderr]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x_1`
[INFO] [stderr]   --> src/board/pieces.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let x_1 = x+1;
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_x_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y_1`
[INFO] [stderr]   --> src/board/pieces.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 let y_1 = y+1;
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_y_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_pos`
[INFO] [stderr]   --> src/board/pieces.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn movement(&mut self, new_pos: (isize, isize), board: &mut Board) -> Result<()> {
[INFO] [stderr]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/board/pieces.rs:65:54
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn movement(&mut self, new_pos: (isize, isize), board: &mut Board) -> Result<()> {
[INFO] [stderr]    |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_option`
[INFO] [stderr]   --> src/board/pieces.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn to_option(&self) -> Option<Piece> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_pos`
[INFO] [stderr]   --> src/board/pieces.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn set_pos(&self, prev_pos:(isize, isize), new_pos: (isize, isize), board: &mut Board) -> Option<Piece> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (bin "chess" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-fbd7106175eeed88)
[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" "15a74f7e8d0fa264c568bcd98ca12a4e205e16a567ecc24c3f0e5e2e884dbee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a74f7e8d0fa264c568bcd98ca12a4e205e16a567ecc24c3f0e5e2e884dbee8", kill_on_drop: false }`
[INFO] [stdout] 15a74f7e8d0fa264c568bcd98ca12a4e205e16a567ecc24c3f0e5e2e884dbee8