Dec 19 08:49:17.958 INFO checking sillymuddle/gors against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:49:17.958 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:49:18.460 INFO [stdout] b958c332885d5b71695e12de509df64538c64cf5305f520f78a2ccea9afe5db8
Dec 19 08:49:18.468 INFO running `"docker" "start" "-a" "b958c332885d5b71695e12de509df64538c64cf5305f520f78a2ccea9afe5db8"`
Dec 19 08:49:20.060 INFO [stderr]     Checking gors v0.1.0 (/opt/crater/workdir)
Dec 19 08:49:20.508 INFO [stderr] warning: unused variable: `mv`
Dec 19 08:49:20.508 INFO [stderr]    --> src/main.rs:188:6
Dec 19 08:49:20.508 INFO [stderr]     |
Dec 19 08:49:20.508 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 19 08:49:20.508 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 19 08:49:20.508 INFO [stderr]     |
Dec 19 08:49:20.508 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 08:49:20.508 INFO [stderr] 
Dec 19 08:49:20.544 INFO [stderr] warning: unused variable: `mv`
Dec 19 08:49:20.544 INFO [stderr]    --> src/main.rs:188:6
Dec 19 08:49:20.544 INFO [stderr]     |
Dec 19 08:49:20.544 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 19 08:49:20.544 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 19 08:49:20.544 INFO [stderr]     |
Dec 19 08:49:20.544 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 08:49:20.544 INFO [stderr] 
Dec 19 08:49:20.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.544 INFO [stderr]    --> src/main.rs:111:3
Dec 19 08:49:20.544 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr] 111 |         write!(f, "    ");
Dec 19 08:49:20.545 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 08:49:20.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.545 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 08:49:20.545 INFO [stderr] 
Dec 19 08:49:20.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.545 INFO [stderr]    --> src/main.rs:113:4
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 19 08:49:20.545 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.545 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 08:49:20.545 INFO [stderr] 
Dec 19 08:49:20.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.545 INFO [stderr]    --> src/main.rs:115:3
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr] 115 |         write!(f, "\n");
Dec 19 08:49:20.545 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.545 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 08:49:20.545 INFO [stderr] 
Dec 19 08:49:20.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.545 INFO [stderr]    --> src/main.rs:119:4
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 19 08:49:20.545 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.545 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 08:49:20.545 INFO [stderr] 
Dec 19 08:49:20.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.545 INFO [stderr]    --> src/main.rs:121:8
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 19 08:49:20.545 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.545 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 08:49:20.545 INFO [stderr] 
Dec 19 08:49:20.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.545 INFO [stderr]    --> src/main.rs:123:4
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr] 123 |             write!(f, "\n");
Dec 19 08:49:20.545 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 19 08:49:20.545 INFO [stderr]     |
Dec 19 08:49:20.545 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.545 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 08:49:20.545 INFO [stderr] 
Dec 19 08:49:20.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.602 INFO [stderr]    --> src/main.rs:111:3
Dec 19 08:49:20.602 INFO [stderr]     |
Dec 19 08:49:20.602 INFO [stderr] 111 |         write!(f, "    ");
Dec 19 08:49:20.602 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.602 INFO [stderr]     |
Dec 19 08:49:20.602 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 08:49:20.602 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.602 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 08:49:20.602 INFO [stderr] 
Dec 19 08:49:20.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.602 INFO [stderr]    --> src/main.rs:113:4
Dec 19 08:49:20.602 INFO [stderr]     |
Dec 19 08:49:20.602 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 19 08:49:20.602 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.602 INFO [stderr]     |
Dec 19 08:49:20.602 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.602 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 08:49:20.602 INFO [stderr] 
Dec 19 08:49:20.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.602 INFO [stderr]    --> src/main.rs:115:3
Dec 19 08:49:20.602 INFO [stderr]     |
Dec 19 08:49:20.602 INFO [stderr] 115 |         write!(f, "\n");
Dec 19 08:49:20.602 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 08:49:20.602 INFO [stderr]     |
Dec 19 08:49:20.602 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.603 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 08:49:20.603 INFO [stderr] 
Dec 19 08:49:20.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.603 INFO [stderr]    --> src/main.rs:119:4
Dec 19 08:49:20.603 INFO [stderr]     |
Dec 19 08:49:20.603 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 19 08:49:20.603 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.603 INFO [stderr]     |
Dec 19 08:49:20.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.603 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 08:49:20.603 INFO [stderr] 
Dec 19 08:49:20.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.603 INFO [stderr]    --> src/main.rs:121:8
Dec 19 08:49:20.603 INFO [stderr]     |
Dec 19 08:49:20.603 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 19 08:49:20.603 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:49:20.603 INFO [stderr]     |
Dec 19 08:49:20.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.603 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 08:49:20.603 INFO [stderr] 
Dec 19 08:49:20.603 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:49:20.603 INFO [stderr]    --> src/main.rs:123:4
Dec 19 08:49:20.603 INFO [stderr]     |
Dec 19 08:49:20.603 INFO [stderr] 123 |             write!(f, "\n");
Dec 19 08:49:20.603 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 19 08:49:20.603 INFO [stderr]     |
Dec 19 08:49:20.603 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:49:20.603 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 08:49:20.603 INFO [stderr] 
Dec 19 08:49:20.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 19 08:49:21.682 INFO running `"docker" "inspect" "b958c332885d5b71695e12de509df64538c64cf5305f520f78a2ccea9afe5db8"`
Dec 19 08:49:21.904 INFO running `"docker" "rm" "-f" "b958c332885d5b71695e12de509df64538c64cf5305f520f78a2ccea9afe5db8"`
Dec 19 08:49:22.172 INFO [stdout] b958c332885d5b71695e12de509df64538c64cf5305f520f78a2ccea9afe5db8