Oct 31 21:25:57.411 INFO checking serayuzgur/chainake against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:25:57.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 21:25:57.888 INFO blam! 415b055a5334978fdfccebe1fbb69d894e76c866573b06b650da360c16800aea
Oct 31 21:25:57.900 INFO running `"docker" "start" "-a" "415b055a5334978fdfccebe1fbb69d894e76c866573b06b650da360c16800aea"`
Oct 31 21:25:59.378 INFO kablam! usermod: no changes
Oct 31 21:25:59.492 INFO kablam!     Checking chainake v0.0.1-alpha.1 (/source)
Oct 31 21:25:59.948 INFO kablam! warning: unused variable: `difficulty`
Oct 31 21:25:59.948 INFO kablam!   --> src/main.rs:29:25
Oct 31 21:25:59.948 INFO kablam!    |
Oct 31 21:25:59.948 INFO kablam! 29 |     fn play( &mut self, difficulty: usize) {
Oct 31 21:25:59.948 INFO kablam!    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Oct 31 21:25:59.948 INFO kablam!    |
Oct 31 21:25:59.948 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:25:59.948 INFO kablam! 
Oct 31 21:25:59.988 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 21:25:59.988 INFO kablam!   --> src/main.rs:42:9
Oct 31 21:25:59.988 INFO kablam!    |
Oct 31 21:25:59.988 INFO kablam! 42 |         stdout.flush();
Oct 31 21:25:59.988 INFO kablam!    |         ^^^^^^^^^^^^^^^
Oct 31 21:25:59.988 INFO kablam!    |
Oct 31 21:25:59.988 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 21:25:59.988 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 21:25:59.988 INFO kablam! 
Oct 31 21:26:00.045 INFO kablam! warning: unused variable: `difficulty`
Oct 31 21:26:00.045 INFO kablam!   --> src/main.rs:29:25
Oct 31 21:26:00.045 INFO kablam!    |
Oct 31 21:26:00.045 INFO kablam! 29 |     fn play( &mut self, difficulty: usize) {
Oct 31 21:26:00.045 INFO kablam!    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Oct 31 21:26:00.045 INFO kablam!    |
Oct 31 21:26:00.045 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:26:00.045 INFO kablam! 
Oct 31 21:26:00.084 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 21:26:00.084 INFO kablam!   --> src/main.rs:42:9
Oct 31 21:26:00.084 INFO kablam!    |
Oct 31 21:26:00.084 INFO kablam! 42 |         stdout.flush();
Oct 31 21:26:00.084 INFO kablam!    |         ^^^^^^^^^^^^^^^
Oct 31 21:26:00.084 INFO kablam!    |
Oct 31 21:26:00.084 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 21:26:00.084 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 21:26:00.084 INFO kablam! 
Oct 31 21:26:00.116 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Oct 31 21:26:00.116 INFO kablam! su: No module specific data is present
Oct 31 21:26:00.796 INFO running `"docker" "rm" "-f" "415b055a5334978fdfccebe1fbb69d894e76c866573b06b650da360c16800aea"`
Oct 31 21:26:01.068 INFO blam! 415b055a5334978fdfccebe1fbb69d894e76c866573b06b650da360c16800aea