Nov 16 13:57:50.424 INFO testing serayuzgur/chainake against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 13:57:50.424 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 13:57:50.707 INFO [stdout] 02ec3a556a0a6cecdf1f7389a7c075ec394cba268efff89478228504a5f34b21
Nov 16 13:57:50.712 INFO running `"docker" "start" "-a" "02ec3a556a0a6cecdf1f7389a7c075ec394cba268efff89478228504a5f34b21"`
Nov 16 13:57:51.257 INFO [stderr] usermod: no changes
Nov 16 13:57:51.296 INFO [stderr]    Compiling termion v1.5.1
Nov 16 13:57:52.717 INFO [stderr]    Compiling chainake v0.0.1-alpha.1 (/source)
Nov 16 13:57:53.039 INFO [stderr] warning: unused variable: `difficulty`
Nov 16 13:57:53.039 INFO [stderr]   --> src/main.rs:29:25
Nov 16 13:57:53.039 INFO [stderr]    |
Nov 16 13:57:53.039 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Nov 16 13:57:53.039 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Nov 16 13:57:53.039 INFO [stderr]    |
Nov 16 13:57:53.039 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 13:57:53.039 INFO [stderr] 
Nov 16 13:57:53.080 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:57:53.080 INFO [stderr]   --> src/main.rs:42:9
Nov 16 13:57:53.080 INFO [stderr]    |
Nov 16 13:57:53.080 INFO [stderr] 42 |         stdout.flush();
Nov 16 13:57:53.080 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 16 13:57:53.080 INFO [stderr]    |
Nov 16 13:57:53.080 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 13:57:53.080 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:57:53.080 INFO [stderr] 
Nov 16 13:57:53.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Nov 16 13:57:53.726 INFO [stderr] su: No module specific data is present
Nov 16 13:57:54.171 INFO running `"docker" "inspect" "02ec3a556a0a6cecdf1f7389a7c075ec394cba268efff89478228504a5f34b21"`
Nov 16 13:57:54.443 INFO running `"docker" "rm" "-f" "02ec3a556a0a6cecdf1f7389a7c075ec394cba268efff89478228504a5f34b21"`
Nov 16 13:57:54.566 INFO [stdout] 02ec3a556a0a6cecdf1f7389a7c075ec394cba268efff89478228504a5f34b21
Nov 16 13:57:54.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 13:57:54.785 INFO [stdout] 0bf73f2df61091d018f4c8c161f91de9247157db71e9880ca61a0f615d8f94c0
Nov 16 13:57:54.792 INFO running `"docker" "start" "-a" "0bf73f2df61091d018f4c8c161f91de9247157db71e9880ca61a0f615d8f94c0"`
Nov 16 13:57:55.602 INFO [stderr] usermod: no changes
Nov 16 13:57:55.647 INFO [stderr]    Compiling chainake v0.0.1-alpha.1 (/source)
Nov 16 13:57:55.983 INFO [stderr] warning: unused variable: `difficulty`
Nov 16 13:57:55.983 INFO [stderr]   --> src/main.rs:29:25
Nov 16 13:57:55.983 INFO [stderr]    |
Nov 16 13:57:55.983 INFO [stderr] 29 |     fn play( &mut self, difficulty: usize) {
Nov 16 13:57:55.983 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_difficulty` instead
Nov 16 13:57:55.983 INFO [stderr]    |
Nov 16 13:57:55.983 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 13:57:55.983 INFO [stderr] 
Nov 16 13:57:56.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 16 13:57:56.016 INFO [stderr]   --> src/main.rs:42:9
Nov 16 13:57:56.016 INFO [stderr]    |
Nov 16 13:57:56.016 INFO [stderr] 42 |         stdout.flush();
Nov 16 13:57:56.016 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Nov 16 13:57:56.016 INFO [stderr]    |
Nov 16 13:57:56.016 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 13:57:56.016 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 16 13:57:56.016 INFO [stderr] 
Nov 16 13:57:56.220 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Nov 16 13:57:56.223 INFO [stderr] su: No module specific data is present
Nov 16 13:57:56.557 INFO running `"docker" "inspect" "0bf73f2df61091d018f4c8c161f91de9247157db71e9880ca61a0f615d8f94c0"`
Nov 16 13:57:56.645 INFO running `"docker" "rm" "-f" "0bf73f2df61091d018f4c8c161f91de9247157db71e9880ca61a0f615d8f94c0"`
Nov 16 13:57:56.722 INFO [stdout] 0bf73f2df61091d018f4c8c161f91de9247157db71e9880ca61a0f615d8f94c0
Nov 16 13:57:56.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 13:57:56.943 INFO [stdout] 90d68a4b96783e8251ff7ffade0cdb0131147c31b5d8c5fb58a47996450c4e4b
Nov 16 13:57:56.948 INFO running `"docker" "start" "-a" "90d68a4b96783e8251ff7ffade0cdb0131147c31b5d8c5fb58a47996450c4e4b"`
Nov 16 13:57:57.289 INFO [stderr] usermod: no changes
Nov 16 13:57:57.331 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 13:57:57.332 INFO [stderr]      Running /target/debug/deps/chainake-67c349a2aa45ccc6
Nov 16 13:57:57.334 INFO [stdout] 
Nov 16 13:57:57.334 INFO [stdout] running 0 tests
Nov 16 13:57:57.334 INFO [stdout] 
Nov 16 13:57:57.334 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 13:57:57.334 INFO [stdout] 
Nov 16 13:57:57.336 INFO [stderr] su: No module specific data is present
Nov 16 13:57:57.607 INFO running `"docker" "inspect" "90d68a4b96783e8251ff7ffade0cdb0131147c31b5d8c5fb58a47996450c4e4b"`
Nov 16 13:57:57.680 INFO running `"docker" "rm" "-f" "90d68a4b96783e8251ff7ffade0cdb0131147c31b5d8c5fb58a47996450c4e4b"`
Nov 16 13:57:57.773 INFO [stdout] 90d68a4b96783e8251ff7ffade0cdb0131147c31b5d8c5fb58a47996450c4e4b