[INFO] cloning repository https://github.com/hieunguyent12/friendly-chess-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hieunguyent12/friendly-chess-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhieunguyent12%2Ffriendly-chess-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhieunguyent12%2Ffriendly-chess-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c2f7f4bd5c44bd6cea92b82d409c8285afd3ee
[INFO] checking hieunguyent12/friendly-chess-workspace against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhieunguyent12%2Ffriendly-chess-workspace" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hieunguyent12/friendly-chess-workspace on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hieunguyent12/friendly-chess-workspace
[INFO] finished tweaking git repo https://github.com/hieunguyent12/friendly-chess-workspace
[INFO] tweaked toml for git repo https://github.com/hieunguyent12/friendly-chess-workspace written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hieunguyent12/friendly-chess-workspace 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc1/source/friendly-chess-wasm/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.37
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1d675922b0f7f426fc6c59fd89cba0ae6db19b4c1ab600f77e4b39ec5c8a87
[INFO] running `Command { std: "docker" "start" "-a" "3c1d675922b0f7f426fc6c59fd89cba0ae6db19b4c1ab600f77e4b39ec5c8a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1d675922b0f7f426fc6c59fd89cba0ae6db19b4c1ab600f77e4b39ec5c8a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1d675922b0f7f426fc6c59fd89cba0ae6db19b4c1ab600f77e4b39ec5c8a87", kill_on_drop: false }`
[INFO] [stdout] 3c1d675922b0f7f426fc6c59fd89cba0ae6db19b4c1ab600f77e4b39ec5c8a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ad3aee36d179643ac001209f70046d22628afd84aa11a16d6bf576f4a01a953
[INFO] running `Command { std: "docker" "start" "-a" "9ad3aee36d179643ac001209f70046d22628afd84aa11a16d6bf576f4a01a953", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/friendly-chess-wasm/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]     Checking friendly-chess v0.1.0 (/opt/rustwide/workdir/friendly-chess)
[INFO] [stdout] warning: unused imports: `Castling`, `PieceType`, `Piece`
[INFO] [stdout]  --> friendly-chess/src/chess/history.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     castling::{Castling, CastlingRights},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 3 |     play_move::InternalMove,
[INFO] [stdout] 4 |     Color, Kings, Piece, PieceType, SquareCoordinate,
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `__BAD_COORD` should have an upper camel case name
[INFO] [stdout]   --> friendly-chess/src/chess/square.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     __BAD_COORD = 200
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BadCoord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::*`
[INFO] [stdout]   --> friendly-chess/src/chess/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piece::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1237:16
[INFO] [stdout]      |
[INFO] [stdout] 1237 |             if (rank == 8 || rank == 1) {
[INFO] [stdout]      |                ^                      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1237 -             if (rank == 8 || rank == 1) {
[INFO] [stdout] 1237 +             if rank == 8 || rank == 1 {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Castling`, `PieceType`, `Piece`
[INFO] [stdout]  --> friendly-chess/src/chess/history.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     castling::{Castling, CastlingRights},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 3 |     play_move::InternalMove,
[INFO] [stdout] 4 |     Color, Kings, Piece, PieceType, SquareCoordinate,
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `__BAD_COORD` should have an upper camel case name
[INFO] [stdout]   --> friendly-chess/src/chess/square.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     __BAD_COORD = 200
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BadCoord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::*`
[INFO] [stdout]   --> friendly-chess/src/chess/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piece::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1237:16
[INFO] [stdout]      |
[INFO] [stdout] 1237 |             if (rank == 8 || rank == 1) {
[INFO] [stdout]      |                ^                      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1237 -             if (rank == 8 || rank == 1) {
[INFO] [stdout] 1237 +             if rank == 8 || rank == 1 {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PieceType` is imported redundantly
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1273:17
[INFO] [stdout]      |
[INFO] [stdout] 1273 |     use super::{PieceType, SquareCoordinate as Square, *};
[INFO] [stdout]      |                 ^^^^^^^^^                              - the item `PieceType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> friendly-chess/src/chess/mod.rs:811:17
[INFO] [stdout]     |
[INFO] [stdout] 811 |         let mut cnt = Ok(0);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1091:29
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                         let a = 1;
[INFO] [stdout]      |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> friendly-chess/src/chess/mod.rs:811:17
[INFO] [stdout]     |
[INFO] [stdout] 811 |         let mut cnt = Ok(0);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1091:29
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                         let a = 1;
[INFO] [stdout]      |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking serde-wasm-bindgen v0.4.5
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.37
[INFO] [stderr]     Checking friendly-chess-wasm v0.1.0 (/opt/rustwide/workdir/friendly-chess-wasm)
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> friendly-chess-wasm/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Chess` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                             ^^^^^                    - the item `Chess` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SquareCoordinate` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^  - the item `SquareCoordinate` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let moves = chess.moves_for_square(SquareCoordinate::F7);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Chess` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                             ^^^^^                    - the item `Chess` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SquareCoordinate` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^  - the item `SquareCoordinate` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let moves = chess.moves_for_square(SquareCoordinate::F7);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> friendly-chess-wasm/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9ad3aee36d179643ac001209f70046d22628afd84aa11a16d6bf576f4a01a953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad3aee36d179643ac001209f70046d22628afd84aa11a16d6bf576f4a01a953", kill_on_drop: false }`
[INFO] [stdout] 9ad3aee36d179643ac001209f70046d22628afd84aa11a16d6bf576f4a01a953
[INFO] checking hieunguyent12/friendly-chess-workspace against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhieunguyent12%2Ffriendly-chess-workspace" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hieunguyent12/friendly-chess-workspace on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hieunguyent12/friendly-chess-workspace
[INFO] finished tweaking git repo https://github.com/hieunguyent12/friendly-chess-workspace
[INFO] tweaked toml for git repo https://github.com/hieunguyent12/friendly-chess-workspace written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hieunguyent12/friendly-chess-workspace 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-6-tc2/source/friendly-chess-wasm/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9379fe2ab5286f2f4389157dec5c3637a414efca9e3e3737d81fddd1dc6bdfd2
[INFO] running `Command { std: "docker" "start" "-a" "9379fe2ab5286f2f4389157dec5c3637a414efca9e3e3737d81fddd1dc6bdfd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9379fe2ab5286f2f4389157dec5c3637a414efca9e3e3737d81fddd1dc6bdfd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9379fe2ab5286f2f4389157dec5c3637a414efca9e3e3737d81fddd1dc6bdfd2", kill_on_drop: false }`
[INFO] [stdout] 9379fe2ab5286f2f4389157dec5c3637a414efca9e3e3737d81fddd1dc6bdfd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d690c95d6588c5f177fb1558211153e41ca8ce7ef566aa8a5736844278a1eaa
[INFO] running `Command { std: "docker" "start" "-a" "0d690c95d6588c5f177fb1558211153e41ca8ce7ef566aa8a5736844278a1eaa", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/friendly-chess-wasm/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking friendly-chess v0.1.0 (/opt/rustwide/workdir/friendly-chess)
[INFO] [stdout] warning: unused imports: `Castling`, `PieceType`, `Piece`
[INFO] [stdout]  --> friendly-chess/src/chess/history.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     castling::{Castling, CastlingRights},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 3 |     play_move::InternalMove,
[INFO] [stdout] 4 |     Color, Kings, Piece, PieceType, SquareCoordinate,
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `__BAD_COORD` should have an upper camel case name
[INFO] [stdout]   --> friendly-chess/src/chess/square.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     __BAD_COORD = 200
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BadCoord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::*`
[INFO] [stdout]   --> friendly-chess/src/chess/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piece::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1237:16
[INFO] [stdout]      |
[INFO] [stdout] 1237 |             if (rank == 8 || rank == 1) {
[INFO] [stdout]      |                ^                      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1237 -             if (rank == 8 || rank == 1) {
[INFO] [stdout] 1237 +             if rank == 8 || rank == 1 {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Castling`, `PieceType`, `Piece`
[INFO] [stdout]  --> friendly-chess/src/chess/history.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     castling::{Castling, CastlingRights},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 3 |     play_move::InternalMove,
[INFO] [stdout] 4 |     Color, Kings, Piece, PieceType, SquareCoordinate,
[INFO] [stdout]   |                   ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `__BAD_COORD` should have an upper camel case name
[INFO] [stdout]   --> friendly-chess/src/chess/square.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     __BAD_COORD = 200
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `BadCoord`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::*`
[INFO] [stdout]   --> friendly-chess/src/chess/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piece::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1237:16
[INFO] [stdout]      |
[INFO] [stdout] 1237 |             if (rank == 8 || rank == 1) {
[INFO] [stdout]      |                ^                      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1237 -             if (rank == 8 || rank == 1) {
[INFO] [stdout] 1237 +             if rank == 8 || rank == 1 {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PieceType` is imported redundantly
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1273:17
[INFO] [stdout]      |
[INFO] [stdout] 1273 |     use super::{PieceType, SquareCoordinate as Square, *};
[INFO] [stdout]      |                 ^^^^^^^^^                              - the item `PieceType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> friendly-chess/src/chess/mod.rs:811:17
[INFO] [stdout]     |
[INFO] [stdout] 811 |         let mut cnt = Ok(0);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1091:29
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                         let a = 1;
[INFO] [stdout]      |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> friendly-chess/src/chess/mod.rs:811:17
[INFO] [stdout]     |
[INFO] [stdout] 811 |         let mut cnt = Ok(0);
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> friendly-chess/src/chess/mod.rs:1091:29
[INFO] [stdout]      |
[INFO] [stdout] 1091 |                         let a = 1;
[INFO] [stdout]      |                             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking serde-wasm-bindgen v0.4.5
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.37
[INFO] [stderr]     Checking friendly-chess-wasm v0.1.0 (/opt/rustwide/workdir/friendly-chess-wasm)
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> friendly-chess-wasm/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Chess` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                             ^^^^^                    - the item `Chess` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SquareCoordinate` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^  - the item `SquareCoordinate` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let moves = chess.moves_for_square(SquareCoordinate::F7);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Chess` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                             ^^^^^                    - the item `Chess` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SquareCoordinate` is imported redundantly
[INFO] [stdout]  --> friendly-chess-wasm/src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use friendly_chess::chess::{Chess, SquareCoordinate, *};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^  - the item `SquareCoordinate` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `moves`
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let moves = chess.moves_for_square(SquareCoordinate::F7);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_moves`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> friendly-chess-wasm/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let _ = chess.load_fen("8/5P2/k7/8/8/8/8/7K w - - 0 1".to_string());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> friendly-chess-wasm/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0d690c95d6588c5f177fb1558211153e41ca8ce7ef566aa8a5736844278a1eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d690c95d6588c5f177fb1558211153e41ca8ce7ef566aa8a5736844278a1eaa", kill_on_drop: false }`
[INFO] [stdout] 0d690c95d6588c5f177fb1558211153e41ca8ce7ef566aa8a5736844278a1eaa