[INFO] cloning repository https://github.com/brunocodutra/chessboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunocodutra/chessboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunocodutra%2Fchessboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunocodutra%2Fchessboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e226d1853228bcadc89fc7a7bf6cd1096c6f3fa
[INFO] building brunocodutra/chessboard against master#c2804e6ec2c29a5c7368600ea173b890e2655c3d for pr-97334-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunocodutra%2Fchessboard" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brunocodutra/chessboard on toolchain c2804e6ec2c29a5c7368600ea173b890e2655c3d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brunocodutra/chessboard
[INFO] finished tweaking git repo https://github.com/brunocodutra/chessboard
[INFO] tweaked toml for git repo https://github.com/brunocodutra/chessboard written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/brunocodutra/chessboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0f11b28e076b6fc73a61be967d19348f01b7a3c6fce1442e644a4e7699584d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f11b28e076b6fc73a61be967d19348f01b7a3c6fce1442e644a4e7699584d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f11b28e076b6fc73a61be967d19348f01b7a3c6fce1442e644a4e7699584d31", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fe75df24b683dda8005391bd9d8e957c5903b4af4fe7fd8c320b17086e631c3
[INFO] running `Command { std: "docker" "start" "-a" "9fe75df24b683dda8005391bd9d8e957c5903b4af4fe7fd8c320b17086e631c3", kill_on_drop: false }`
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[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "9fe75df24b683dda8005391bd9d8e957c5903b4af4fe7fd8c320b17086e631c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe75df24b683dda8005391bd9d8e957c5903b4af4fe7fd8c320b17086e631c3", kill_on_drop: false }`
[INFO] [stdout] 9fe75df24b683dda8005391bd9d8e957c5903b4af4fe7fd8c320b17086e631c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d24ea142080995df93607b1415dfdc6915ed3519cb7847c0e5b3f954f6b0c64
[INFO] running `Command { std: "docker" "start" "-a" "8d24ea142080995df93607b1415dfdc6915ed3519cb7847c0e5b3f954f6b0c64", 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] [stderr]    Compiling libc v0.2.132
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[INFO] [stderr]    Compiling unicode-width v0.1.9
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[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling plotters v0.3.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling mockall v0.11.2
[INFO] [stderr]    Compiling pgn-reader v0.20.0
[INFO] [stderr]    Compiling vampirc-uci v0.11.1
[INFO] [stderr]    Compiling chessboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/chess/position.rs:506:19
[INFO] [stdout]     |
[INFO] [stdout] 506 |         #[filter(#pos.moves(MoveKind::ANY).len() > 0)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/engine/ai.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |         #[filter(#t.draft() > 0)] t: Transposition,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/search/pv.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 |         #[filter(#pos.moves(MoveKind::ANY).len() > 0)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/search/pv.rs:145:19
[INFO] [stdout]     |
[INFO] [stdout] 145 |         #[filter(#pos.moves(MoveKind::ANY).len() > 0)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/search/pv.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |         #[filter(#pos.moves(MoveKind::ANY).len() > 0)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/search/pv.rs:201:19
[INFO] [stdout]     |
[INFO] [stdout] 201 |         #[filter(#pos.moves(MoveKind::ANY).len() > 0)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/search/transposition/iter.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |         #[filter(#tt.capacity() > 1)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/search/transposition/iter.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |         #[filter(#pos.moves(MoveKind::ANY).len() > 0)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 2m 39s
[INFO] running `Command { std: "docker" "inspect" "8d24ea142080995df93607b1415dfdc6915ed3519cb7847c0e5b3f954f6b0c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d24ea142080995df93607b1415dfdc6915ed3519cb7847c0e5b3f954f6b0c64", kill_on_drop: false }`
[INFO] [stdout] 8d24ea142080995df93607b1415dfdc6915ed3519cb7847c0e5b3f954f6b0c64