[INFO] fetching crate chessagon 0.1.0...
[INFO] checking chessagon-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate chessagon 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate chessagon 0.1.0 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 crates.io crate chessagon 0.1.0
[INFO] finished tweaking crates.io crate chessagon 0.1.0
[INFO] tweaked toml for crates.io crate chessagon 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate chessagon 0.1.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_dispatch v0.3.12
[INFO] [stderr]   Downloaded chic v1.2.2
[INFO] [stderr]   Downloaded annotate-snippets v0.6.1
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 165438f1dc5b9339920283a2122f81739c79f003eca0cb08a60ac5af56dd8715
[INFO] running `Command { std: "docker" "start" "-a" "165438f1dc5b9339920283a2122f81739c79f003eca0cb08a60ac5af56dd8715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "165438f1dc5b9339920283a2122f81739c79f003eca0cb08a60ac5af56dd8715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165438f1dc5b9339920283a2122f81739c79f003eca0cb08a60ac5af56dd8715", kill_on_drop: false }`
[INFO] [stdout] 165438f1dc5b9339920283a2122f81739c79f003eca0cb08a60ac5af56dd8715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4b5678c45fe336b5180a97fe80c28a9e65cbc8b1344e2fb8cf53eb803e79abc2
[INFO] running `Command { std: "docker" "start" "-a" "4b5678c45fe336b5180a97fe80c28a9e65cbc8b1344e2fb8cf53eb803e79abc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling peg-runtime v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking annotate-snippets v0.6.1
[INFO] [stderr]     Checking chic v1.2.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling peg-macros v0.8.2
[INFO] [stderr]     Checking peg v0.8.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling enum_dispatch v0.3.12
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking chessagon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `last_move`
[INFO] [stdout]   --> src/piece/pawn.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     last_move: Option<&Move>,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_move`
[INFO] [stdout]   --> src/piece/pawn.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn last_move_enables_en_passant(last_move: &Move, board: &impl BoardTrait) -> bool {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/piece/pawn.rs:68:55
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn last_move_enables_en_passant(last_move: &Move, board: &impl BoardTrait) -> bool {
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_move`
[INFO] [stdout]   --> src/piece/pawn.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     last_move: Option<&Move>,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_move`
[INFO] [stdout]   --> src/piece/pawn.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn last_move_enables_en_passant(last_move: &Move, board: &impl BoardTrait) -> bool {
[INFO] [stdout]    |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/piece/pawn.rs:68:55
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn last_move_enables_en_passant(last_move: &Move, board: &impl BoardTrait) -> bool {
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.05s
[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" "4b5678c45fe336b5180a97fe80c28a9e65cbc8b1344e2fb8cf53eb803e79abc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5678c45fe336b5180a97fe80c28a9e65cbc8b1344e2fb8cf53eb803e79abc2", kill_on_drop: false }`
[INFO] [stdout] 4b5678c45fe336b5180a97fe80c28a9e65cbc8b1344e2fb8cf53eb803e79abc2