[INFO] cloning repository https://github.com/MrLys/bug-free-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrLys/bug-free-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrLys%2Fbug-free-engine", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dbdc3a5680c3f46b30b545ad405fc3f87475a22
[INFO] checking MrLys/bug-free-engine against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrLys%2Fbug-free-engine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MrLys/bug-free-engine
[INFO] finished tweaking git repo https://github.com/MrLys/bug-free-engine
[INFO] tweaked toml for git repo https://github.com/MrLys/bug-free-engine written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MrLys/bug-free-engine on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MrLys/bug-free-engine 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 090c3bda07f38357c15a139e39c9cda7f1a787179d8200ac1887e047087f68cf
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[INFO] running `Command { std: "docker" "inspect" "090c3bda07f38357c15a139e39c9cda7f1a787179d8200ac1887e047087f68cf", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15fcea9d0770deace8654971287ec95ed741b9630f956b3b60bd31f69c4a2c60
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[INFO] [stderr]     Checking chessrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `valid_bishop_moves_in_vec`
[INFO] [stdout]  --> src/pieces.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bishop::{valid_bishop_moves, valid_bishop_moves_in_vec};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Piece`
[INFO] [stdout]    --> src/pawn.rs:259:25
[INFO] [stdout]     |
[INFO] [stdout] 259 |     use crate::pieces::{Piece, PieceTypes, Move, MoveType};
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `valid_bishop_moves_in_vec`
[INFO] [stdout]  --> src/pieces.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bishop::{valid_bishop_moves, valid_bishop_moves_in_vec};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `row` is assigned to, but never used
[INFO] [stdout]   --> src/bishop.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut row = index_to_row(new_index);
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_row` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `column` is assigned to, but never used
[INFO] [stdout]   --> src/bishop.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut column = index_to_column(new_index);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_column` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `row` is never read
[INFO] [stdout]   --> src/bishop.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         row = index_to_row(new_index);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column` is never read
[INFO] [stdout]   --> src/bishop.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         column = index_to_column(new_index);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Castle` is never constructed
[INFO] [stdout]   --> src/pieces.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum MoveType {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 67 |     Castle
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MoveType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_id` and `swap_to` are never read
[INFO] [stdout]   --> src/pieces.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Move {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 72 |     pub piece_id: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub swap_to: Option<PieceTypes>
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `whites_turn` is never read
[INFO] [stdout]  --> src/board.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Board {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub board: Vec<Option<Piece>>,
[INFO] [stdout] 8 |     pub whites_turn: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printable_board` is never used
[INFO] [stdout]   --> src/board.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn printable_board(board: &Board) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_board` is never used
[INFO] [stdout]   --> src/board.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn print_board(board: &Board) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fprofile` is never used
[INFO] [stdout]   --> src/util.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn fprofile<P>(name: &str, func: fn() -> P) -> P {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `row` is assigned to, but never used
[INFO] [stdout]   --> src/bishop.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut row = index_to_row(new_index);
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_row` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `column` is assigned to, but never used
[INFO] [stdout]   --> src/bishop.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut column = index_to_column(new_index);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_column` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `row` is never read
[INFO] [stdout]   --> src/bishop.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         row = index_to_row(new_index);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `column` is never read
[INFO] [stdout]   --> src/bishop.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         column = index_to_column(new_index);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Castle` is never constructed
[INFO] [stdout]   --> src/pieces.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum MoveType {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 67 |     Castle
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MoveType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `piece_id` is never read
[INFO] [stdout]   --> src/pieces.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Move {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 72 |     pub piece_id: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Move` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `whites_turn` is never read
[INFO] [stdout]  --> src/board.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Board {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     pub board: Vec<Option<Piece>>,
[INFO] [stdout] 8 |     pub whites_turn: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fprofile` is never used
[INFO] [stdout]   --> src/util.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn fprofile<P>(name: &str, func: fn() -> P) -> P {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.88s
[INFO] running `Command { std: "docker" "inspect" "15fcea9d0770deace8654971287ec95ed741b9630f956b3b60bd31f69c4a2c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fcea9d0770deace8654971287ec95ed741b9630f956b3b60bd31f69c4a2c60", kill_on_drop: false }`
[INFO] [stdout] 15fcea9d0770deace8654971287ec95ed741b9630f956b3b60bd31f69c4a2c60
