[INFO] fetching crate itsjustchess 0.1.3...
[INFO] testing itsjustchess-0.1.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate itsjustchess 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate itsjustchess 0.1.3
[INFO] finished tweaking crates.io crate itsjustchess 0.1.3
[INFO] tweaked toml for crates.io crate itsjustchess 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate itsjustchess 0.1.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate itsjustchess 0.1.3 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9cf86b492ba408a36c7c00ded100b57707a388adb7202ca208f90dab5e242a4f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "806557996bff0f4c1a80fb62ebfcdc62e6775eac59d61cf6913ab3fd3a986594", kill_on_drop: false }`
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[INFO] [stderr]    Compiling itsjustchess v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start_col`
[INFO] [stdout]    --> src/main.rs:581:25
[INFO] [stdout]     |
[INFO] [stdout] 581 |         let (start_row, start_col) = start;
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_checkmate` is never used
[INFO] [stdout]    --> src/main.rs:550:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | impl ChessGame {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 550 |     fn is_checkmate(&self, color: PieceColor) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "806557996bff0f4c1a80fb62ebfcdc62e6775eac59d61cf6913ab3fd3a986594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806557996bff0f4c1a80fb62ebfcdc62e6775eac59d61cf6913ab3fd3a986594", kill_on_drop: false }`
[INFO] [stdout] 806557996bff0f4c1a80fb62ebfcdc62e6775eac59d61cf6913ab3fd3a986594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c25eb677af44a0be2a1a83b27cf88029cd7b3e93ead44f62cb41132f7440d276
[INFO] running `Command { std: "docker" "start" "-a" "c25eb677af44a0be2a1a83b27cf88029cd7b3e93ead44f62cb41132f7440d276", kill_on_drop: false }`
[INFO] [stderr]    Compiling itsjustchess v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start_col`
[INFO] [stdout]    --> src/main.rs:581:25
[INFO] [stdout]     |
[INFO] [stdout] 581 |         let (start_row, start_col) = start;
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_checkmate` is never used
[INFO] [stdout]    --> src/main.rs:550:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | impl ChessGame {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 550 |     fn is_checkmate(&self, color: PieceColor) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "c25eb677af44a0be2a1a83b27cf88029cd7b3e93ead44f62cb41132f7440d276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25eb677af44a0be2a1a83b27cf88029cd7b3e93ead44f62cb41132f7440d276", kill_on_drop: false }`
[INFO] [stdout] c25eb677af44a0be2a1a83b27cf88029cd7b3e93ead44f62cb41132f7440d276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73c2f966042127badaccb22811d0e68bbed46354023b7978516884248adde349
[INFO] running `Command { std: "docker" "start" "-a" "73c2f966042127badaccb22811d0e68bbed46354023b7978516884248adde349", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `start_col`
[INFO] [stderr]    --> src/main.rs:581:25
[INFO] [stderr]     |
[INFO] [stderr] 581 |         let (start_row, start_col) = start;
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_col`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_checkmate` is never used
[INFO] [stderr]    --> src/main.rs:550:8
[INFO] [stderr]     |
[INFO] [stderr] 154 | impl ChessGame {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 550 |     fn is_checkmate(&self, color: PieceColor) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `itsjustchess` (bin "itsjustchess" test) generated 2 warnings (run `cargo fix --bin "itsjustchess" -p itsjustchess --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/itsjustchess-0828d46ad3a7da53)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73c2f966042127badaccb22811d0e68bbed46354023b7978516884248adde349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c2f966042127badaccb22811d0e68bbed46354023b7978516884248adde349", kill_on_drop: false }`
[INFO] [stdout] 73c2f966042127badaccb22811d0e68bbed46354023b7978516884248adde349
