Dec 13 03:50:03.864 INFO testing serayuzgur/chainake against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 03:50:03.864 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 03:50:04.140 INFO [stdout] 7cbb15bc13ae0e34750e2488d800350c2946ddb550b335ffa600d3eadfa74726
Dec 13 03:50:04.140 INFO running `"docker" "start" "-a" "7cbb15bc13ae0e34750e2488d800350c2946ddb550b335ffa600d3eadfa74726"`
Dec 13 03:50:04.804 INFO [stderr] usermod: no changes
Dec 13 03:50:04.850 INFO [stderr]    Compiling termion v1.5.1
Dec 13 03:50:05.934 INFO [stderr]    Compiling chainake v0.0.1-alpha.1 (/source)
Dec 13 03:50:06.255 INFO [stderr] warning: unused variable: `difficulty`
Dec 13 03:50:06.255 INFO [stderr]   --> src/main.rs:29:25
Dec 13 03:50:06.255 INFO [stderr]    |
Dec 13 03:50:06.255 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Dec 13 03:50:06.255 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Dec 13 03:50:06.255 INFO [stderr]    |
Dec 13 03:50:06.255 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:50:06.255 INFO [stderr] 
Dec 13 03:50:06.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 03:50:06.326 INFO [stderr]   --> src/main.rs:42:9
Dec 13 03:50:06.327 INFO [stderr]    |
Dec 13 03:50:06.330 INFO [stderr] 42 |         stdout.flush();
Dec 13 03:50:06.331 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 13 03:50:06.331 INFO [stderr]    |
Dec 13 03:50:06.331 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 03:50:06.331 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 03:50:06.331 INFO [stderr] 
Dec 13 03:50:06.954 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Dec 13 03:50:06.956 INFO [stderr] su: No module specific data is present
Dec 13 03:50:07.454 INFO running `"docker" "inspect" "7cbb15bc13ae0e34750e2488d800350c2946ddb550b335ffa600d3eadfa74726"`
Dec 13 03:50:07.673 INFO running `"docker" "rm" "-f" "7cbb15bc13ae0e34750e2488d800350c2946ddb550b335ffa600d3eadfa74726"`
Dec 13 03:50:07.955 INFO [stdout] 7cbb15bc13ae0e34750e2488d800350c2946ddb550b335ffa600d3eadfa74726
Dec 13 03:50:07.961 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 03:50:08.327 INFO [stdout] 4c79ffcecc4ed0e964a13dfbc60ebbd543d66fe2b5c3ab298df511a41b3f7d4e
Dec 13 03:50:08.335 INFO running `"docker" "start" "-a" "4c79ffcecc4ed0e964a13dfbc60ebbd543d66fe2b5c3ab298df511a41b3f7d4e"`
Dec 13 03:50:09.323 INFO [stderr] usermod: no changes
Dec 13 03:50:09.376 INFO [stderr]    Compiling chainake v0.0.1-alpha.1 (/source)
Dec 13 03:50:09.683 INFO [stderr] warning: unused variable: `difficulty`
Dec 13 03:50:09.683 INFO [stderr]   --> src/main.rs:29:25
Dec 13 03:50:09.683 INFO [stderr]    |
Dec 13 03:50:09.683 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Dec 13 03:50:09.683 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Dec 13 03:50:09.683 INFO [stderr]    |
Dec 13 03:50:09.683 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:50:09.683 INFO [stderr] 
Dec 13 03:50:09.722 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 03:50:09.722 INFO [stderr]   --> src/main.rs:42:9
Dec 13 03:50:09.722 INFO [stderr]    |
Dec 13 03:50:09.722 INFO [stderr] 42 |         stdout.flush();
Dec 13 03:50:09.722 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 13 03:50:09.722 INFO [stderr]    |
Dec 13 03:50:09.722 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 03:50:09.722 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 03:50:09.722 INFO [stderr] 
Dec 13 03:50:09.970 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 13 03:50:09.973 INFO [stderr] su: No module specific data is present
Dec 13 03:50:10.336 INFO running `"docker" "inspect" "4c79ffcecc4ed0e964a13dfbc60ebbd543d66fe2b5c3ab298df511a41b3f7d4e"`
Dec 13 03:50:10.399 INFO running `"docker" "rm" "-f" "4c79ffcecc4ed0e964a13dfbc60ebbd543d66fe2b5c3ab298df511a41b3f7d4e"`
Dec 13 03:50:10.497 INFO [stdout] 4c79ffcecc4ed0e964a13dfbc60ebbd543d66fe2b5c3ab298df511a41b3f7d4e
Dec 13 03:50:10.498 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 03:50:10.701 INFO [stdout] 106eaa06a6c63bb31e472d4bfdb66ae81cce06763c493f742640e4b57c545b8e
Dec 13 03:50:10.702 INFO running `"docker" "start" "-a" "106eaa06a6c63bb31e472d4bfdb66ae81cce06763c493f742640e4b57c545b8e"`
Dec 13 03:50:11.285 INFO [stderr] usermod: no changes
Dec 13 03:50:11.353 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 03:50:11.353 INFO [stderr]      Running /target/debug/deps/chainake-97f96b8283065799
Dec 13 03:50:11.353 INFO [stderr] su: No module specific data is present
Dec 13 03:50:11.353 INFO [stdout] 
Dec 13 03:50:11.353 INFO [stdout] running 0 tests
Dec 13 03:50:11.353 INFO [stdout] 
Dec 13 03:50:11.353 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:50:11.353 INFO [stdout] 
Dec 13 03:50:11.651 INFO running `"docker" "inspect" "106eaa06a6c63bb31e472d4bfdb66ae81cce06763c493f742640e4b57c545b8e"`
Dec 13 03:50:11.780 INFO running `"docker" "rm" "-f" "106eaa06a6c63bb31e472d4bfdb66ae81cce06763c493f742640e4b57c545b8e"`
Dec 13 03:50:11.968 INFO [stdout] 106eaa06a6c63bb31e472d4bfdb66ae81cce06763c493f742640e4b57c545b8e