Dec 13 03:50:02.772 INFO testing serayuzgur/chainake against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 03:50:02.772 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 03:50:03.090 INFO [stdout] 5cb279c0d8adab6e0dd738ea7b9f534ab31b4e03189d30fec5bcede28d4ea1ac
Dec 13 03:50:03.092 INFO running `"docker" "start" "-a" "5cb279c0d8adab6e0dd738ea7b9f534ab31b4e03189d30fec5bcede28d4ea1ac"`
Dec 13 03:50:03.852 INFO [stderr] usermod: no changes
Dec 13 03:50:03.899 INFO [stderr]    Compiling chainake v0.0.1-alpha.1 (/source)
Dec 13 03:50:04.214 INFO [stderr] warning: unused variable: `difficulty`
Dec 13 03:50:04.214 INFO [stderr]   --> src/main.rs:29:25
Dec 13 03:50:04.214 INFO [stderr]    |
Dec 13 03:50:04.214 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Dec 13 03:50:04.214 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Dec 13 03:50:04.214 INFO [stderr]    |
Dec 13 03:50:04.215 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:50:04.215 INFO [stderr] 
Dec 13 03:50:04.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 03:50:04.265 INFO [stderr]   --> src/main.rs:42:9
Dec 13 03:50:04.265 INFO [stderr]    |
Dec 13 03:50:04.265 INFO [stderr] 42 |         stdout.flush();
Dec 13 03:50:04.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 13 03:50:04.265 INFO [stderr]    |
Dec 13 03:50:04.265 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 03:50:04.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 03:50:04.265 INFO [stderr] 
Dec 13 03:50:04.794 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 13 03:50:04.797 INFO [stderr] su: No module specific data is present
Dec 13 03:50:05.159 INFO running `"docker" "inspect" "5cb279c0d8adab6e0dd738ea7b9f534ab31b4e03189d30fec5bcede28d4ea1ac"`
Dec 13 03:50:05.231 INFO running `"docker" "rm" "-f" "5cb279c0d8adab6e0dd738ea7b9f534ab31b4e03189d30fec5bcede28d4ea1ac"`
Dec 13 03:50:05.311 INFO [stdout] 5cb279c0d8adab6e0dd738ea7b9f534ab31b4e03189d30fec5bcede28d4ea1ac
Dec 13 03:50:05.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 03:50:05.501 INFO [stdout] da578657102a775fe092fde001bf0b99e9525351395db00ecb57931e06849b40
Dec 13 03:50:05.503 INFO running `"docker" "start" "-a" "da578657102a775fe092fde001bf0b99e9525351395db00ecb57931e06849b40"`
Dec 13 03:50:05.931 INFO [stderr] usermod: no changes
Dec 13 03:50:05.973 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 03:50:06.327 INFO [stderr]   --> src/main.rs:42:9
Dec 13 03:50:06.327 INFO [stderr]    |
Dec 13 03:50:06.327 INFO [stderr] 42 |         stdout.flush();
Dec 13 03:50:06.327 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 13 03:50:06.327 INFO [stderr]    |
Dec 13 03:50:06.327 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 03:50:06.327 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 03:50:06.327 INFO [stderr] 
Dec 13 03:50:06.639 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 13 03:50:06.639 INFO [stderr] su: No module specific data is present
Dec 13 03:50:07.089 INFO running `"docker" "inspect" "da578657102a775fe092fde001bf0b99e9525351395db00ecb57931e06849b40"`
Dec 13 03:50:07.220 INFO running `"docker" "rm" "-f" "da578657102a775fe092fde001bf0b99e9525351395db00ecb57931e06849b40"`
Dec 13 03:50:07.415 INFO [stdout] da578657102a775fe092fde001bf0b99e9525351395db00ecb57931e06849b40
Dec 13 03:50:07.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 03:50:07.747 INFO [stdout] c5069c70cd52fea0e88322a8a8112cf3732e4ae25f698ccc330e7e3745f20aee
Dec 13 03:50:07.752 INFO running `"docker" "start" "-a" "c5069c70cd52fea0e88322a8a8112cf3732e4ae25f698ccc330e7e3745f20aee"`
Dec 13 03:50:08.628 INFO [stderr] usermod: no changes
Dec 13 03:50:08.686 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 03:50:08.686 INFO [stderr]      Running /target/debug/deps/chainake-0a9efec3f1bc0a2d
Dec 13 03:50:08.699 INFO [stderr] su: No module specific data is present
Dec 13 03:50:08.699 INFO [stdout] 
Dec 13 03:50:08.699 INFO [stdout] running 0 tests
Dec 13 03:50:08.699 INFO [stdout] 
Dec 13 03:50:08.699 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:50:08.699 INFO [stdout] 
Dec 13 03:50:09.319 INFO running `"docker" "inspect" "c5069c70cd52fea0e88322a8a8112cf3732e4ae25f698ccc330e7e3745f20aee"`
Dec 13 03:50:09.567 INFO running `"docker" "rm" "-f" "c5069c70cd52fea0e88322a8a8112cf3732e4ae25f698ccc330e7e3745f20aee"`
Dec 13 03:50:09.795 INFO [stdout] c5069c70cd52fea0e88322a8a8112cf3732e4ae25f698ccc330e7e3745f20aee