[INFO] cloning repository https://github.com/AirZED/checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AirZED/checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAirZED%2Fcheckers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAirZED%2Fcheckers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 858393b64af1c6fa956e50c7f9cd68106585ae7a
[INFO] checking AirZED/checkers against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAirZED%2Fcheckers" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AirZED/checkers
[INFO] finished tweaking git repo https://github.com/AirZED/checkers
[INFO] tweaked toml for git repo https://github.com/AirZED/checkers written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AirZED/checkers on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AirZED/checkers 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286efe270fb1f106c130209e893e040fd6ea5848377753b51afe7319279b1b47
[INFO] running `Command { std: "docker" "start" "-a" "286efe270fb1f106c130209e893e040fd6ea5848377753b51afe7319279b1b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286efe270fb1f106c130209e893e040fd6ea5848377753b51afe7319279b1b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286efe270fb1f106c130209e893e040fd6ea5848377753b51afe7319279b1b47", kill_on_drop: false }`
[INFO] [stdout] 286efe270fb1f106c130209e893e040fd6ea5848377753b51afe7319279b1b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b25c5e176e8c067a24c4e2efe5c8881154e23928a4c6c756f8d0e1970cc3db
[INFO] running `Command { std: "docker" "start" "-a" "48b25c5e176e8c067a24c4e2efe5c8881154e23928a4c6c756f8d0e1970cc3db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking mut_static v5.0.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/game/game.rs:216:16
[INFO] [stdout]     |
[INFO] [stdout] 216 |             if (midpiece.unwrap().color == piece.color) {
[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] 216 -             if (midpiece.unwrap().color == piece.color) {
[INFO] [stdout] 216 +             if midpiece.unwrap().color == piece.color  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/game/game.rs:216:16
[INFO] [stdout]     |
[INFO] [stdout] 216 |             if (midpiece.unwrap().color == piece.color) {
[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] 216 -             if (midpiece.unwrap().color == piece.color) {
[INFO] [stdout] 216 +             if midpiece.unwrap().color == piece.color  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fx`
[INFO] [stdout]    --> src/game/game.rs:254:24
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let Coordinate(fx, fy) = *from;
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_fx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fx`
[INFO] [stdout]    --> src/game/game.rs:254:24
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let Coordinate(fx, fy) = *from;
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_fx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `valid_move` is never used
[INFO] [stdout]    --> src/game/game.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl GameEngine {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |     fn valid_move(&mut self, piece: &GamePiece, from: &Coordinate, to: &Coordinate) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `valid_move` is never used
[INFO] [stdout]    --> src/game/game.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl GameEngine {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 248 |     fn valid_move(&mut self, piece: &GamePiece, from: &Coordinate, to: &Coordinate) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/game/game.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if x <= 7 && y <= 7 && x >= 0 && y >= 0 {
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/game/game.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if x <= 7 && y <= 7 && x >= 0 && y >= 0 {
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/game/game.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if x <= 7 && y <= 7 && x >= 0 && y >= 0 {
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/game/game.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if x <= 7 && y <= 7 && x >= 0 && y >= 0 {
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fromX` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let Coordinate(fromX, fromY) = mv.from;
[INFO] [stdout]    |                        ^^^^^ help: convert the identifier to snake case: `from_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fromX` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let Coordinate(fromX, fromY) = mv.from;
[INFO] [stdout]    |                        ^^^^^ help: convert the identifier to snake case: `from_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fromY` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let Coordinate(fromX, fromY) = mv.from;
[INFO] [stdout]    |                               ^^^^^ help: convert the identifier to snake case: `from_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fromY` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:75:31
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let Coordinate(fromX, fromY) = mv.from;
[INFO] [stdout]    |                               ^^^^^ help: convert the identifier to snake case: `from_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `toX` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Coordinate(toX, toY) = mv.to;
[INFO] [stdout]    |                        ^^^ help: convert the identifier to snake case: `to_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `toX` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Coordinate(toX, toY) = mv.to;
[INFO] [stdout]    |                        ^^^ help: convert the identifier to snake case: `to_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `toY` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Coordinate(toX, toY) = mv.to;
[INFO] [stdout]    |                             ^^^ help: convert the identifier to snake case: `to_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `toY` should have a snake case name
[INFO] [stdout]   --> src/game/game.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let Coordinate(toX, toY) = mv.to;
[INFO] [stdout]    |                             ^^^ help: convert the identifier to snake case: `to_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/board/board.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |         x <= 7 && y <= 7 && x >= 0 && y <= 0
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/board/board.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |         x <= 7 && y <= 7 && x >= 0 && y <= 0
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "48b25c5e176e8c067a24c4e2efe5c8881154e23928a4c6c756f8d0e1970cc3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b25c5e176e8c067a24c4e2efe5c8881154e23928a4c6c756f8d0e1970cc3db", kill_on_drop: false }`
[INFO] [stdout] 48b25c5e176e8c067a24c4e2efe5c8881154e23928a4c6c756f8d0e1970cc3db
