[INFO] cloning repository https://github.com/movalle4/chess-board-representation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/movalle4/chess-board-representation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmovalle4%2Fchess-board-representation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmovalle4%2Fchess-board-representation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aae3e6438e6941ebd1191ecb4479b163cd41ae6
[INFO] checking movalle4/chess-board-representation against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmovalle4%2Fchess-board-representation" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/movalle4/chess-board-representation on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/movalle4/chess-board-representation
[INFO] finished tweaking git repo https://github.com/movalle4/chess-board-representation
[INFO] tweaked toml for git repo https://github.com/movalle4/chess-board-representation written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/movalle4/chess-board-representation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b524085a1976bf2ff0c86449ac6ff4e03c8cb51ae3702f9e84e97fb5a89f251d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b524085a1976bf2ff0c86449ac6ff4e03c8cb51ae3702f9e84e97fb5a89f251d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b524085a1976bf2ff0c86449ac6ff4e03c8cb51ae3702f9e84e97fb5a89f251d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b524085a1976bf2ff0c86449ac6ff4e03c8cb51ae3702f9e84e97fb5a89f251d", kill_on_drop: false }`
[INFO] [stdout] b524085a1976bf2ff0c86449ac6ff4e03c8cb51ae3702f9e84e97fb5a89f251d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e34725b43101e84893f38fcf5cf40948ca3ec8a898a551d421ae1e42d6b95c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5e34725b43101e84893f38fcf5cf40948ca3ec8a898a551d421ae1e42d6b95c", kill_on_drop: false }`
[INFO] [stderr]     Checking chess-board-representation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::debugging::*`
[INFO] [stdout]  --> src/logic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::debugging::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PieceType`
[INFO] [stdout]  --> src/moves.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::structs::{Piece, PieceType, Pos};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debugging::*`
[INFO] [stdout]  --> src/logic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::debugging::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PieceType`
[INFO] [stdout]  --> src/moves.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::structs::{Piece, PieceType, Pos};
[INFO] [stdout]   |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debugging::*`
[INFO] [stdout]  --> src/tests.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::debugging::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PieceType`, `Piece`
[INFO] [stdout]  --> src/tests.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::structs::{Piece, PieceType, Pos};
[INFO] [stdout]   |                          ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_pieces_arrays`
[INFO] [stdout]   --> src/debugging.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_pieces_arrays(game: &Game) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_pieces_array`
[INFO] [stdout]   --> src/debugging.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn print_pieces_array(array: &[Piece; 16]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_square_color`
[INFO] [stdout]   --> src/debugging.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn print_square_color(square: &Square) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_piece_type`
[INFO] [stdout]   --> src/debugging.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn print_piece_type(piece: &Piece) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `valid_pos`
[INFO] [stdout]   --> src/moves.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn valid_pos(position: Pos) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut game = initialize_game();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_pieces_arrays`
[INFO] [stdout]   --> src/debugging.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_pieces_arrays(game: &Game) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_pieces_array`
[INFO] [stdout]   --> src/debugging.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn print_pieces_array(array: &[Piece; 16]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_square_color`
[INFO] [stdout]   --> src/debugging.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn print_square_color(square: &Square) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_piece_type`
[INFO] [stdout]   --> src/debugging.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn print_piece_type(piece: &Piece) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `valid_pos`
[INFO] [stdout]   --> src/moves.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn valid_pos(position: Pos) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "c5e34725b43101e84893f38fcf5cf40948ca3ec8a898a551d421ae1e42d6b95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e34725b43101e84893f38fcf5cf40948ca3ec8a898a551d421ae1e42d6b95c", kill_on_drop: false }`
[INFO] [stdout] c5e34725b43101e84893f38fcf5cf40948ca3ec8a898a551d421ae1e42d6b95c