Dec 04 10:09:23.096 INFO checking sillymuddle/gors against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:09:23.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 10:09:23.501 INFO [stdout] f8208395fe9c59abb5894143b65f900ad23738ebb42ade0af30a57fba33df3a3
Dec 04 10:09:23.503 INFO running `"docker" "start" "-a" "f8208395fe9c59abb5894143b65f900ad23738ebb42ade0af30a57fba33df3a3"`
Dec 04 10:09:25.372 INFO [stderr] usermod: no changes
Dec 04 10:09:25.439 INFO [stderr]     Checking gors v0.1.0 (/source)
Dec 04 10:09:25.951 INFO [stderr] warning: unused variable: `mv`
Dec 04 10:09:25.951 INFO [stderr]    --> src/main.rs:188:6
Dec 04 10:09:25.951 INFO [stderr]     |
Dec 04 10:09:25.951 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 04 10:09:25.951 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 04 10:09:25.951 INFO [stderr]     |
Dec 04 10:09:25.951 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 10:09:25.951 INFO [stderr] 
Dec 04 10:09:25.951 INFO [stderr] warning: unused variable: `mv`
Dec 04 10:09:25.951 INFO [stderr]    --> src/main.rs:188:6
Dec 04 10:09:25.951 INFO [stderr]     |
Dec 04 10:09:25.951 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 04 10:09:25.951 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 04 10:09:25.951 INFO [stderr]     |
Dec 04 10:09:25.951 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 10:09:25.951 INFO [stderr] 
Dec 04 10:09:25.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.971 INFO [stderr]    --> src/main.rs:111:3
Dec 04 10:09:25.971 INFO [stderr]     |
Dec 04 10:09:25.971 INFO [stderr] 111 |         write!(f, "    ");
Dec 04 10:09:25.971 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.971 INFO [stderr]     |
Dec 04 10:09:25.971 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 10:09:25.971 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.971 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 04 10:09:25.971 INFO [stderr] 
Dec 04 10:09:25.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.971 INFO [stderr]    --> src/main.rs:113:4
Dec 04 10:09:25.971 INFO [stderr]     |
Dec 04 10:09:25.971 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 04 10:09:25.971 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.971 INFO [stderr]     |
Dec 04 10:09:25.971 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.971 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 04 10:09:25.971 INFO [stderr] 
Dec 04 10:09:25.971 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.971 INFO [stderr]    --> src/main.rs:115:3
Dec 04 10:09:25.971 INFO [stderr]     |
Dec 04 10:09:25.971 INFO [stderr] 115 |         write!(f, "\n");
Dec 04 10:09:25.971 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:119:4
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 04 10:09:25.972 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:121:8
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 04 10:09:25.972 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:123:4
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 123 |             write!(f, "\n");
Dec 04 10:09:25.972 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:111:3
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 111 |         write!(f, "    ");
Dec 04 10:09:25.972 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:113:4
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 04 10:09:25.972 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:115:3
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 115 |         write!(f, "\n");
Dec 04 10:09:25.972 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:119:4
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 04 10:09:25.972 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:121:8
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 04 10:09:25.972 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:25.972 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:09:25.972 INFO [stderr]    --> src/main.rs:123:4
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr] 123 |             write!(f, "\n");
Dec 04 10:09:25.972 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 04 10:09:25.972 INFO [stderr]     |
Dec 04 10:09:25.972 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:09:25.972 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 04 10:09:25.972 INFO [stderr] 
Dec 04 10:09:26.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 04 10:09:26.007 INFO [stderr] su: No module specific data is present
Dec 04 10:09:26.671 INFO running `"docker" "inspect" "f8208395fe9c59abb5894143b65f900ad23738ebb42ade0af30a57fba33df3a3"`
Dec 04 10:09:26.900 INFO running `"docker" "rm" "-f" "f8208395fe9c59abb5894143b65f900ad23738ebb42ade0af30a57fba33df3a3"`
Dec 04 10:09:27.250 INFO [stdout] f8208395fe9c59abb5894143b65f900ad23738ebb42ade0af30a57fba33df3a3