Dec 04 10:26:37.344 INFO checking serayuzgur/chainake against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:26:37.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 04 10:26:37.699 INFO [stdout] 0815aa92938669159561638b68548e813516c9d18fd2558fc8e267185603ec0b
Dec 04 10:26:37.703 INFO running `"docker" "start" "-a" "0815aa92938669159561638b68548e813516c9d18fd2558fc8e267185603ec0b"`
Dec 04 10:26:38.432 INFO [stderr] usermod: no changes
Dec 04 10:26:38.510 INFO [stderr]     Checking termion v1.5.1
Dec 04 10:26:39.221 INFO [stderr]     Checking chainake v0.0.1-alpha.1 (/source)
Dec 04 10:26:39.487 INFO [stderr] warning: unused variable: `difficulty`
Dec 04 10:26:39.487 INFO [stderr]   --> src/main.rs:29:25
Dec 04 10:26:39.487 INFO [stderr]    |
Dec 04 10:26:39.487 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Dec 04 10:26:39.487 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Dec 04 10:26:39.487 INFO [stderr]    |
Dec 04 10:26:39.487 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 10:26:39.487 INFO [stderr] 
Dec 04 10:26:39.519 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:26:39.519 INFO [stderr]   --> src/main.rs:42:9
Dec 04 10:26:39.519 INFO [stderr]    |
Dec 04 10:26:39.519 INFO [stderr] 42 |         stdout.flush();
Dec 04 10:26:39.519 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 04 10:26:39.519 INFO [stderr]    |
Dec 04 10:26:39.519 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 10:26:39.519 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:26:39.519 INFO [stderr] 
Dec 04 10:26:39.525 INFO [stderr] warning: unused variable: `difficulty`
Dec 04 10:26:39.525 INFO [stderr]   --> src/main.rs:29:25
Dec 04 10:26:39.525 INFO [stderr]    |
Dec 04 10:26:39.525 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Dec 04 10:26:39.525 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Dec 04 10:26:39.525 INFO [stderr]    |
Dec 04 10:26:39.525 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 10:26:39.525 INFO [stderr] 
Dec 04 10:26:39.567 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:26:39.567 INFO [stderr]   --> src/main.rs:42:9
Dec 04 10:26:39.567 INFO [stderr]    |
Dec 04 10:26:39.567 INFO [stderr] 42 |         stdout.flush();
Dec 04 10:26:39.567 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 04 10:26:39.567 INFO [stderr]    |
Dec 04 10:26:39.567 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 10:26:39.567 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:26:39.567 INFO [stderr] 
Dec 04 10:26:39.583 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 04 10:26:39.583 INFO [stderr] su: No module specific data is present
Dec 04 10:26:39.866 INFO running `"docker" "inspect" "0815aa92938669159561638b68548e813516c9d18fd2558fc8e267185603ec0b"`
Dec 04 10:26:39.943 INFO running `"docker" "rm" "-f" "0815aa92938669159561638b68548e813516c9d18fd2558fc8e267185603ec0b"`
Dec 04 10:26:40.088 INFO [stdout] 0815aa92938669159561638b68548e813516c9d18fd2558fc8e267185603ec0b