Nov 29 18:29:45.677 INFO checking serayuzgur/chainake against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:29:45.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 18:29:46.200 INFO [stdout] f9967cdd8dca7213b18a98e78252238ba6ff88378c6a75b6ae424e61184a6c41
Nov 29 18:29:46.202 INFO running `"docker" "start" "-a" "f9967cdd8dca7213b18a98e78252238ba6ff88378c6a75b6ae424e61184a6c41"`
Nov 29 18:29:48.258 INFO [stderr] usermod: no changes
Nov 29 18:29:48.386 INFO [stderr]     Checking chainake v0.0.1-alpha.1 (/source)
Nov 29 18:29:48.956 INFO [stderr] warning: unused variable: `difficulty`
Nov 29 18:29:48.956 INFO [stderr]   --> src/main.rs:29:25
Nov 29 18:29:48.956 INFO [stderr]    |
Nov 29 18:29:48.956 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Nov 29 18:29:48.956 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Nov 29 18:29:48.956 INFO [stderr]    |
Nov 29 18:29:48.956 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:29:48.956 INFO [stderr] 
Nov 29 18:29:48.995 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:48.995 INFO [stderr]   --> src/main.rs:42:9
Nov 29 18:29:48.995 INFO [stderr]    |
Nov 29 18:29:48.995 INFO [stderr] 42 |         stdout.flush();
Nov 29 18:29:48.995 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 29 18:29:48.995 INFO [stderr]    |
Nov 29 18:29:48.995 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 18:29:48.995 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:48.995 INFO [stderr] 
Nov 29 18:29:49.024 INFO [stderr] warning: unused variable: `difficulty`
Nov 29 18:29:49.025 INFO [stderr]   --> src/main.rs:29:25
Nov 29 18:29:49.025 INFO [stderr]    |
Nov 29 18:29:49.025 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Nov 29 18:29:49.026 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Nov 29 18:29:49.026 INFO [stderr]    |
Nov 29 18:29:49.026 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:29:49.026 INFO [stderr] 
Nov 29 18:29:49.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:29:49.100 INFO [stderr]   --> src/main.rs:42:9
Nov 29 18:29:49.100 INFO [stderr]    |
Nov 29 18:29:49.100 INFO [stderr] 42 |         stdout.flush();
Nov 29 18:29:49.100 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 29 18:29:49.101 INFO [stderr]    |
Nov 29 18:29:49.101 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 18:29:49.101 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:29:49.101 INFO [stderr] 
Nov 29 18:29:49.148 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Nov 29 18:29:49.157 INFO [stderr] su: No module specific data is present
Nov 29 18:29:49.970 INFO running `"docker" "inspect" "f9967cdd8dca7213b18a98e78252238ba6ff88378c6a75b6ae424e61184a6c41"`
Nov 29 18:29:50.269 INFO running `"docker" "rm" "-f" "f9967cdd8dca7213b18a98e78252238ba6ff88378c6a75b6ae424e61184a6c41"`
Nov 29 18:29:50.699 INFO [stdout] f9967cdd8dca7213b18a98e78252238ba6ff88378c6a75b6ae424e61184a6c41