Dec 19 08:49:18.917 INFO checking sillymuddle/gors against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:49:18.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sillymuddle/gors:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:49:19.423 INFO [stdout] c552f16a732ac401c71951deeb80d7ac439975d6973a122a843ccf88463d4cc1
Dec 19 08:49:19.425 INFO running `"docker" "start" "-a" "c552f16a732ac401c71951deeb80d7ac439975d6973a122a843ccf88463d4cc1"`
Dec 19 08:49:20.936 INFO [stderr]     Checking gors v0.1.0 (/opt/crater/workdir)
Dec 19 08:49:21.297 INFO [stderr] warning: unused variable: `mv`
Dec 19 08:49:21.297 INFO [stderr]    --> src/main.rs:188:6
Dec 19 08:49:21.297 INFO [stderr]     |
Dec 19 08:49:21.297 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 19 08:49:21.297 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 19 08:49:21.297 INFO [stderr]     |
Dec 19 08:49:21.297 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 08:49:21.297 INFO [stderr] 
Dec 19 08:49:21.317 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.317 INFO [stderr]    --> src/main.rs:111:3
Dec 19 08:49:21.317 INFO [stderr]     |
Dec 19 08:49:21.317 INFO [stderr] 111 |         write!(f, "    ");
Dec 19 08:49:21.317 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.317 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 08:49:21.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.318 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.318 INFO [stderr] 
Dec 19 08:49:21.318 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.318 INFO [stderr]    --> src/main.rs:113:4
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 19 08:49:21.318 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.318 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.318 INFO [stderr] 
Dec 19 08:49:21.318 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.318 INFO [stderr]    --> src/main.rs:115:3
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr] 115 |         write!(f, "\n");
Dec 19 08:49:21.318 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.318 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.318 INFO [stderr] 
Dec 19 08:49:21.318 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.318 INFO [stderr]    --> src/main.rs:119:4
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 19 08:49:21.318 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.318 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.318 INFO [stderr] 
Dec 19 08:49:21.318 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.318 INFO [stderr]    --> src/main.rs:121:8
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 19 08:49:21.318 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.318 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.318 INFO [stderr] 
Dec 19 08:49:21.318 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.318 INFO [stderr]    --> src/main.rs:123:4
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr] 123 |             write!(f, "\n");
Dec 19 08:49:21.318 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 19 08:49:21.318 INFO [stderr]     |
Dec 19 08:49:21.318 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.318 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.318 INFO [stderr] 
Dec 19 08:49:21.382 INFO [stderr] warning: unused variable: `mv`
Dec 19 08:49:21.382 INFO [stderr]    --> src/main.rs:188:6
Dec 19 08:49:21.382 INFO [stderr]     |
Dec 19 08:49:21.382 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 19 08:49:21.382 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 19 08:49:21.382 INFO [stderr]     |
Dec 19 08:49:21.382 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 08:49:21.382 INFO [stderr] 
Dec 19 08:49:21.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.384 INFO [stderr]    --> src/main.rs:111:3
Dec 19 08:49:21.384 INFO [stderr]     |
Dec 19 08:49:21.384 INFO [stderr] 111 |         write!(f, "    ");
Dec 19 08:49:21.384 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.384 INFO [stderr]     |
Dec 19 08:49:21.384 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 08:49:21.384 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.384 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.384 INFO [stderr] 
Dec 19 08:49:21.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.384 INFO [stderr]    --> src/main.rs:113:4
Dec 19 08:49:21.384 INFO [stderr]     |
Dec 19 08:49:21.384 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 19 08:49:21.384 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.384 INFO [stderr]     |
Dec 19 08:49:21.384 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.384 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.384 INFO [stderr] 
Dec 19 08:49:21.384 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.384 INFO [stderr]    --> src/main.rs:115:3
Dec 19 08:49:21.384 INFO [stderr]     |
Dec 19 08:49:21.384 INFO [stderr] 115 |         write!(f, "\n");
Dec 19 08:49:21.384 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 08:49:21.384 INFO [stderr]     |
Dec 19 08:49:21.384 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.384 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.384 INFO [stderr] 
Dec 19 08:49:21.388 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.388 INFO [stderr]    --> src/main.rs:119:4
Dec 19 08:49:21.388 INFO [stderr]     |
Dec 19 08:49:21.388 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 19 08:49:21.388 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.388 INFO [stderr]     |
Dec 19 08:49:21.388 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.388 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.388 INFO [stderr] 
Dec 19 08:49:21.388 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.388 INFO [stderr]    --> src/main.rs:121:8
Dec 19 08:49:21.388 INFO [stderr]     |
Dec 19 08:49:21.388 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 19 08:49:21.388 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:21.388 INFO [stderr]     |
Dec 19 08:49:21.388 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.388 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.388 INFO [stderr] 
Dec 19 08:49:21.388 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:21.388 INFO [stderr]    --> src/main.rs:123:4
Dec 19 08:49:21.388 INFO [stderr]     |
Dec 19 08:49:21.388 INFO [stderr] 123 |             write!(f, "\n");
Dec 19 08:49:21.388 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 19 08:49:21.388 INFO [stderr]     |
Dec 19 08:49:21.388 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:21.389 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 08:49:21.389 INFO [stderr] 
Dec 19 08:49:21.457 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 19 08:49:22.116 INFO running `"docker" "inspect" "c552f16a732ac401c71951deeb80d7ac439975d6973a122a843ccf88463d4cc1"`
Dec 19 08:49:22.408 INFO running `"docker" "rm" "-f" "c552f16a732ac401c71951deeb80d7ac439975d6973a122a843ccf88463d4cc1"`
Dec 19 08:49:22.785 INFO [stdout] c552f16a732ac401c71951deeb80d7ac439975d6973a122a843ccf88463d4cc1