[INFO] cloning repository https://github.com/ThomasBouasli/chess_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasBouasli/chess_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBouasli%2Fchess_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBouasli%2Fchess_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bc1dd603e6fd85cc95d86c05aa8172467cbffd6
[INFO] checking ThomasBouasli/chess_rust against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBouasli%2Fchess_rust" "/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/ThomasBouasli/chess_rust
[INFO] finished tweaking git repo https://github.com/ThomasBouasli/chess_rust
[INFO] tweaked toml for git repo https://github.com/ThomasBouasli/chess_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThomasBouasli/chess_rust on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThomasBouasli/chess_rust 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ThomasBouasli/chess_rust against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasBouasli%2Fchess_rust" "/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/ThomasBouasli/chess_rust
[INFO] finished tweaking git repo https://github.com/ThomasBouasli/chess_rust
[INFO] tweaked toml for git repo https://github.com/ThomasBouasli/chess_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThomasBouasli/chess_rust on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThomasBouasli/chess_rust 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e3eaeb2c762b67771f1e1b100e3e79a16a715d14d3e5b8a54755f9ea27b1e26
[INFO] running `Command { std: "docker" "start" "-a" "4e3eaeb2c762b67771f1e1b100e3e79a16a715d14d3e5b8a54755f9ea27b1e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e3eaeb2c762b67771f1e1b100e3e79a16a715d14d3e5b8a54755f9ea27b1e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3eaeb2c762b67771f1e1b100e3e79a16a715d14d3e5b8a54755f9ea27b1e26", kill_on_drop: false }`
[INFO] [stdout] 4e3eaeb2c762b67771f1e1b100e3e79a16a715d14d3e5b8a54755f9ea27b1e26
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02aac7de4b32cb19dba1d075272ae354408f08c391633ba4365d5a0c7a18e3a5
[INFO] running `Command { std: "docker" "start" "-a" "02aac7de4b32cb19dba1d075272ae354408f08c391633ba4365d5a0c7a18e3a5", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fen`
[INFO] [stdout]    --> src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn from_fen(fen: &str) -> Game {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_fen`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut game = 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 `bit_to_position` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn bit_to_position(bit: Position) -> Result<String, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOD67TABLE` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const MOD67TABLE: [usize; 67] = [
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_scan` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn bit_scan(bit: Position) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Color {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 34 |     White,
[INFO] [stdout] 35 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Knight`, `Bishop`, `Rook`, `Queen`, and `King` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum PieceType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 40 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     Knight,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 42 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     Queen,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     King,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty` and `Occupied` are never constructed
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Square {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 57 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 58 |     Occupied(usize),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `turn`, `castling_rights`, `en_passant`, `half_move_clock`, and `full_move_number` are never read
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Game {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     turn: Color,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 65 |     castling_rights: CastlingRights,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     en_passant: Option<Position>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 67 |     half_move_clock: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     full_move_number: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fen`
[INFO] [stdout]    --> src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn from_fen(fen: &str) -> Game {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_fen`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut game = 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 `bit_to_position` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn bit_to_position(bit: Position) -> Result<String, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MOD67TABLE` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const MOD67TABLE: [usize; 67] = [
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit_scan` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn bit_scan(bit: Position) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Color {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 34 |     White,
[INFO] [stdout] 35 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Knight`, `Bishop`, `Rook`, `Queen`, and `King` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum PieceType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 40 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     Knight,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 42 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     Queen,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |     King,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty` and `Occupied` are never constructed
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Square {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 57 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 58 |     Occupied(usize),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `turn`, `castling_rights`, `en_passant`, `half_move_clock`, and `full_move_number` are never read
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Game {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     turn: Color,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 65 |     castling_rights: CastlingRights,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     en_passant: Option<Position>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 67 |     half_move_clock: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |     full_move_number: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "02aac7de4b32cb19dba1d075272ae354408f08c391633ba4365d5a0c7a18e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02aac7de4b32cb19dba1d075272ae354408f08c391633ba4365d5a0c7a18e3a5", kill_on_drop: false }`
[INFO] [stdout] 02aac7de4b32cb19dba1d075272ae354408f08c391633ba4365d5a0c7a18e3a5