Dec 11 09:30:29.373 INFO checking sillymuddle/gors against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:30:29.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 09:30:29.798 INFO [stdout] 78f8655a1e6055df7639c1c21f144ec582294622424c937e948df6eaf4b74e5b
Dec 11 09:30:29.804 INFO running `"docker" "start" "-a" "78f8655a1e6055df7639c1c21f144ec582294622424c937e948df6eaf4b74e5b"`
Dec 11 09:30:31.067 INFO [stderr] usermod: no changes
Dec 11 09:30:31.120 INFO [stderr]     Checking gors v0.1.0 (/source)
Dec 11 09:30:31.644 INFO [stderr] warning: unused variable: `mv`
Dec 11 09:30:31.644 INFO [stderr]    --> src/main.rs:188:6
Dec 11 09:30:31.644 INFO [stderr]     |
Dec 11 09:30:31.644 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 11 09:30:31.644 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 11 09:30:31.644 INFO [stderr]     |
Dec 11 09:30:31.644 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 09:30:31.644 INFO [stderr] 
Dec 11 09:30:31.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.664 INFO [stderr]    --> src/main.rs:111:3
Dec 11 09:30:31.664 INFO [stderr]     |
Dec 11 09:30:31.664 INFO [stderr] 111 |         write!(f, "    ");
Dec 11 09:30:31.664 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.664 INFO [stderr]     |
Dec 11 09:30:31.664 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 09:30:31.664 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.664 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 11 09:30:31.664 INFO [stderr] 
Dec 11 09:30:31.664 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.665 INFO [stderr]    --> src/main.rs:113:4
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 11 09:30:31.665 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.665 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 11 09:30:31.665 INFO [stderr] 
Dec 11 09:30:31.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.665 INFO [stderr]    --> src/main.rs:115:3
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr] 115 |         write!(f, "\n");
Dec 11 09:30:31.665 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.665 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 11 09:30:31.665 INFO [stderr] 
Dec 11 09:30:31.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.665 INFO [stderr]    --> src/main.rs:119:4
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 11 09:30:31.665 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.665 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 11 09:30:31.665 INFO [stderr] 
Dec 11 09:30:31.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.665 INFO [stderr]    --> src/main.rs:121:8
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 11 09:30:31.665 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.665 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 11 09:30:31.665 INFO [stderr] 
Dec 11 09:30:31.665 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.665 INFO [stderr]    --> src/main.rs:123:4
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr] 123 |             write!(f, "\n");
Dec 11 09:30:31.665 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 11 09:30:31.665 INFO [stderr]     |
Dec 11 09:30:31.665 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.665 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 11 09:30:31.665 INFO [stderr] 
Dec 11 09:30:31.672 INFO [stderr] warning: unused variable: `mv`
Dec 11 09:30:31.672 INFO [stderr]    --> src/main.rs:188:6
Dec 11 09:30:31.672 INFO [stderr]     |
Dec 11 09:30:31.672 INFO [stderr] 188 |     let mv = player.get_move(&board);
Dec 11 09:30:31.672 INFO [stderr]     |         ^^ help: consider using `_mv` instead
Dec 11 09:30:31.672 INFO [stderr]     |
Dec 11 09:30:31.672 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 09:30:31.672 INFO [stderr] 
Dec 11 09:30:31.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.716 INFO [stderr]    --> src/main.rs:111:3
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr] 111 |         write!(f, "    ");
Dec 11 09:30:31.716 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 09:30:31.716 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.716 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 11 09:30:31.716 INFO [stderr] 
Dec 11 09:30:31.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.716 INFO [stderr]    --> src/main.rs:113:4
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr] 113 |             write!(f, "{:2}", col_number);
Dec 11 09:30:31.716 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.716 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 11 09:30:31.716 INFO [stderr] 
Dec 11 09:30:31.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.716 INFO [stderr]    --> src/main.rs:115:3
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr] 115 |         write!(f, "\n");
Dec 11 09:30:31.716 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.716 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 11 09:30:31.716 INFO [stderr] 
Dec 11 09:30:31.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.716 INFO [stderr]    --> src/main.rs:119:4
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr] 119 |             write!(f, "{:3}: ", row_number);
Dec 11 09:30:31.716 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.716 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 11 09:30:31.716 INFO [stderr] 
Dec 11 09:30:31.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.716 INFO [stderr]    --> src/main.rs:121:8
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr] 121 |           write!(f, "{} ", (*piece).to_string());
Dec 11 09:30:31.716 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.716 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 11 09:30:31.716 INFO [stderr] 
Dec 11 09:30:31.716 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:30:31.716 INFO [stderr]    --> src/main.rs:123:4
Dec 11 09:30:31.716 INFO [stderr]     |
Dec 11 09:30:31.716 INFO [stderr] 123 |             write!(f, "\n");
Dec 11 09:30:31.716 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Dec 11 09:30:31.717 INFO [stderr]     |
Dec 11 09:30:31.717 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:30:31.717 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 11 09:30:31.717 INFO [stderr] 
Dec 11 09:30:31.740 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 11 09:30:31.740 INFO [stderr] su: No module specific data is present
Dec 11 09:30:32.504 INFO running `"docker" "inspect" "78f8655a1e6055df7639c1c21f144ec582294622424c937e948df6eaf4b74e5b"`
Dec 11 09:30:32.824 INFO running `"docker" "rm" "-f" "78f8655a1e6055df7639c1c21f144ec582294622424c937e948df6eaf4b74e5b"`
Dec 11 09:30:33.152 INFO [stdout] 78f8655a1e6055df7639c1c21f144ec582294622424c937e948df6eaf4b74e5b