Dec 05 16:24:17.870 INFO checking backgammon-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:24:17.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 16:24:18.332 INFO [stdout] 081e3b200983c402ad3d5693ec1df7261f5169a181c294be36cb5bbbfaa6ba12
Dec 05 16:24:18.339 INFO running `"docker" "start" "-a" "081e3b200983c402ad3d5693ec1df7261f5169a181c294be36cb5bbbfaa6ba12"`
Dec 05 16:24:19.915 INFO [stderr] usermod: no changes
Dec 05 16:24:20.005 INFO [stderr]     Checking backgammon v0.1.0 (/source)
Dec 05 16:24:21.115 INFO [stderr] warning: field is never used: `cube`
Dec 05 16:24:21.115 INFO [stderr]   --> src/lib.rs:25:5
Dec 05 16:24:21.115 INFO [stderr]    |
Dec 05 16:24:21.115 INFO [stderr] 25 |     cube: i8,
Dec 05 16:24:21.115 INFO [stderr]    |     ^^^^^^^^
Dec 05 16:24:21.115 INFO [stderr]    |
Dec 05 16:24:21.115 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:24:21.115 INFO [stderr] 
Dec 05 16:24:21.115 INFO [stderr] warning: field is never used: `points`
Dec 05 16:24:21.115 INFO [stderr]   --> src/lib.rs:29:5
Dec 05 16:24:21.115 INFO [stderr]    |
Dec 05 16:24:21.115 INFO [stderr] 29 |     points: u32,
Dec 05 16:24:21.115 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 16:24:21.115 INFO [stderr] 
Dec 05 16:24:21.115 INFO [stderr] warning: field is never used: `history`
Dec 05 16:24:21.115 INFO [stderr]   --> src/lib.rs:30:5
Dec 05 16:24:21.115 INFO [stderr]    |
Dec 05 16:24:21.115 INFO [stderr] 30 |     history: Vec<State>,
Dec 05 16:24:21.115 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 16:24:21.115 INFO [stderr] 
Dec 05 16:24:21.115 INFO [stderr] warning: field is never used: `max_points`
Dec 05 16:24:21.115 INFO [stderr]   --> src/lib.rs:34:5
Dec 05 16:24:21.115 INFO [stderr]    |
Dec 05 16:24:21.115 INFO [stderr] 34 |     max_points: u32,
Dec 05 16:24:21.115 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 16:24:21.115 INFO [stderr] 
Dec 05 16:24:21.115 INFO [stderr] warning: field is never used: `history`
Dec 05 16:24:21.115 INFO [stderr]   --> src/lib.rs:35:5
Dec 05 16:24:21.115 INFO [stderr]    |
Dec 05 16:24:21.115 INFO [stderr] 35 |     history: Vec<Game>,
Dec 05 16:24:21.115 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 16:24:21.115 INFO [stderr] 
Dec 05 16:24:21.115 INFO [stderr] warning: function is never used: `roll`
Dec 05 16:24:21.115 INFO [stderr]    --> src/lib.rs:121:1
Dec 05 16:24:21.115 INFO [stderr]     |
Dec 05 16:24:21.116 INFO [stderr] 121 | fn roll() -> [u8; 2] {
Dec 05 16:24:21.116 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 05 16:24:21.116 INFO [stderr] 
Dec 05 16:24:21.303 INFO [stderr] warning: field is never used: `cube`
Dec 05 16:24:21.303 INFO [stderr]   --> src/lib.rs:25:5
Dec 05 16:24:21.303 INFO [stderr]    |
Dec 05 16:24:21.303 INFO [stderr] 25 |     cube: i8,
Dec 05 16:24:21.303 INFO [stderr]    |     ^^^^^^^^
Dec 05 16:24:21.303 INFO [stderr]    |
Dec 05 16:24:21.303 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 16:24:21.303 INFO [stderr] 
Dec 05 16:24:21.303 INFO [stderr] warning: field is never used: `points`
Dec 05 16:24:21.303 INFO [stderr]   --> src/lib.rs:29:5
Dec 05 16:24:21.303 INFO [stderr]    |
Dec 05 16:24:21.304 INFO [stderr] 29 |     points: u32,
Dec 05 16:24:21.304 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 16:24:21.304 INFO [stderr] 
Dec 05 16:24:21.304 INFO [stderr] warning: field is never used: `history`
Dec 05 16:24:21.304 INFO [stderr]   --> src/lib.rs:30:5
Dec 05 16:24:21.304 INFO [stderr]    |
Dec 05 16:24:21.304 INFO [stderr] 30 |     history: Vec<State>,
Dec 05 16:24:21.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 05 16:24:21.304 INFO [stderr] 
Dec 05 16:24:21.304 INFO [stderr] warning: field is never used: `max_points`
Dec 05 16:24:21.304 INFO [stderr]   --> src/lib.rs:34:5
Dec 05 16:24:21.304 INFO [stderr]    |
Dec 05 16:24:21.304 INFO [stderr] 34 |     max_points: u32,
Dec 05 16:24:21.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 05 16:24:21.304 INFO [stderr] 
Dec 05 16:24:21.304 INFO [stderr] warning: field is never used: `history`
Dec 05 16:24:21.304 INFO [stderr]   --> src/lib.rs:35:5
Dec 05 16:24:21.304 INFO [stderr]    |
Dec 05 16:24:21.307 INFO [stderr] 35 |     history: Vec<Game>,
Dec 05 16:24:21.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 16:24:21.307 INFO [stderr] 
Dec 05 16:24:21.307 INFO [stderr] warning: function is never used: `roll`
Dec 05 16:24:21.307 INFO [stderr]    --> src/lib.rs:121:1
Dec 05 16:24:21.307 INFO [stderr]     |
Dec 05 16:24:21.307 INFO [stderr] 121 | fn roll() -> [u8; 2] {
Dec 05 16:24:21.307 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^
Dec 05 16:24:21.307 INFO [stderr] 
Dec 05 16:24:21.338 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 05 16:24:21.341 INFO [stderr] su: No module specific data is present
Dec 05 16:24:22.319 INFO running `"docker" "inspect" "081e3b200983c402ad3d5693ec1df7261f5169a181c294be36cb5bbbfaa6ba12"`
Dec 05 16:24:22.563 INFO running `"docker" "rm" "-f" "081e3b200983c402ad3d5693ec1df7261f5169a181c294be36cb5bbbfaa6ba12"`
Dec 05 16:24:22.891 INFO [stdout] 081e3b200983c402ad3d5693ec1df7261f5169a181c294be36cb5bbbfaa6ba12