[INFO] fetching crate checke-rs 0.0.1...
[INFO] checking checke-rs-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate checke-rs 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate checke-rs 0.0.1
[INFO] finished tweaking crates.io crate checke-rs 0.0.1
[INFO] tweaked toml for crates.io crate checke-rs 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate checke-rs 0.0.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a856aa7b2b8bed1065e83964d8c96db17336e68d951fd83fa75cd08185550d5
[INFO] running `Command { std: "docker" "start" "-a" "7a856aa7b2b8bed1065e83964d8c96db17336e68d951fd83fa75cd08185550d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a856aa7b2b8bed1065e83964d8c96db17336e68d951fd83fa75cd08185550d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a856aa7b2b8bed1065e83964d8c96db17336e68d951fd83fa75cd08185550d5", kill_on_drop: false }`
[INFO] [stdout] 7a856aa7b2b8bed1065e83964d8c96db17336e68d951fd83fa75cd08185550d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65542e5accdbdd84c7e7540e5dd7d08cc182bd15c895783f7a45cf089f6038f8
[INFO] running `Command { std: "docker" "start" "-a" "65542e5accdbdd84c7e7540e5dd7d08cc182bd15c895783f7a45cf089f6038f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking checke-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]   --> src/board.rs:79:33
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn push_turn(&mut self, turn: Turn) -> Result<(), MoveError> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]   --> src/board.rs:79:33
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn push_turn(&mut self, turn: Turn) -> Result<(), MoveError> {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> tests/board_tests.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let result = board.push_turn(turn);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitBoard`
[INFO] [stdout]  --> tests/square_tests.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use checke_rs::bitboard::{BitBoard, MonoBitBoard};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Position, Infallible>
[INFO] [stdout]  --> tests/position_tests.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let position = Position::try_from(bitboard).unwrap();
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Position, Infallible>
[INFO] [stdout]   --> tests/position_tests.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let position = Position::try_from(bitboard).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Position, Infallible>
[INFO] [stdout]   --> tests/position_tests.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let position = Position::try_from(bitboard).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Position, Infallible>
[INFO] [stdout]   --> tests/position_tests.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let position = Position::try_from(bitboard).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `checke-rs` (test "position_tests") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "65542e5accdbdd84c7e7540e5dd7d08cc182bd15c895783f7a45cf089f6038f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65542e5accdbdd84c7e7540e5dd7d08cc182bd15c895783f7a45cf089f6038f8", kill_on_drop: false }`
[INFO] [stdout] 65542e5accdbdd84c7e7540e5dd7d08cc182bd15c895783f7a45cf089f6038f8