Oct 12 14:01:20.046 INFO checking serayuzgur/chainake against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:01:20.046 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 14:01:20.529 INFO blam! 734a4e12774591913b93c5aafb84fa23a9ad463ca33f1621f52281aed441514a
Oct 12 14:01:20.531 INFO running `"docker" "start" "-a" "734a4e12774591913b93c5aafb84fa23a9ad463ca33f1621f52281aed441514a"`
Oct 12 14:01:22.700 INFO kablam! usermod: no changes
Oct 12 14:01:22.832 INFO kablam!     Checking termion v1.5.1
Oct 12 14:01:23.809 INFO kablam!     Checking chainake v0.0.1-alpha.1 (/source)
Oct 12 14:01:24.424 INFO kablam! warning: unused variable: `difficulty`
Oct 12 14:01:24.424 INFO kablam!   --> src/main.rs:29:25
Oct 12 14:01:24.424 INFO kablam!    |
Oct 12 14:01:24.424 INFO kablam! 29 |     fn play( &mut self, difficulty: usize) {
Oct 12 14:01:24.424 INFO kablam!    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Oct 12 14:01:24.424 INFO kablam!    |
Oct 12 14:01:24.424 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:01:24.424 INFO kablam! 
Oct 12 14:01:24.432 INFO kablam! warning: unused variable: `difficulty`
Oct 12 14:01:24.432 INFO kablam!   --> src/main.rs:29:25
Oct 12 14:01:24.432 INFO kablam!    |
Oct 12 14:01:24.432 INFO kablam! 29 |     fn play( &mut self, difficulty: usize) {
Oct 12 14:01:24.432 INFO kablam!    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Oct 12 14:01:24.432 INFO kablam!    |
Oct 12 14:01:24.432 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 14:01:24.432 INFO kablam! 
Oct 12 14:01:24.446 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:01:24.446 INFO kablam!   --> src/main.rs:42:9
Oct 12 14:01:24.446 INFO kablam!    |
Oct 12 14:01:24.446 INFO kablam! 42 |         stdout.flush();
Oct 12 14:01:24.446 INFO kablam!    |         ^^^^^^^^^^^^^^^
Oct 12 14:01:24.446 INFO kablam!    |
Oct 12 14:01:24.446 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 14:01:24.446 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:01:24.446 INFO kablam! 
Oct 12 14:01:24.520 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:01:24.520 INFO kablam!   --> src/main.rs:42:9
Oct 12 14:01:24.520 INFO kablam!    |
Oct 12 14:01:24.520 INFO kablam! 42 |         stdout.flush();
Oct 12 14:01:24.520 INFO kablam!    |         ^^^^^^^^^^^^^^^
Oct 12 14:01:24.520 INFO kablam!    |
Oct 12 14:01:24.520 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 14:01:24.520 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:01:24.520 INFO kablam! 
Oct 12 14:01:24.593 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Oct 12 14:01:24.596 INFO kablam! su: No module specific data is present
Oct 12 14:01:25.672 INFO running `"docker" "rm" "-f" "734a4e12774591913b93c5aafb84fa23a9ad463ca33f1621f52281aed441514a"`
Oct 12 14:01:25.928 INFO blam! 734a4e12774591913b93c5aafb84fa23a9ad463ca33f1621f52281aed441514a