Dec 12 22:50:33.160 INFO testing uma0317/Rust-BlockChain against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 22:50:33.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 22:50:33.875 INFO [stdout] 8709180450f11001a5cb6b5a5059d1206fe234357c918e63d2c6c1b83234f139
Dec 12 22:50:33.875 INFO running `"docker" "start" "-a" "8709180450f11001a5cb6b5a5059d1206fe234357c918e63d2c6c1b83234f139"`
Dec 12 22:50:35.230 INFO [stderr] usermod: no changes
Dec 12 22:50:35.359 INFO [stderr]    Compiling num-traits v0.2.4
Dec 12 22:50:35.359 INFO [stderr]    Compiling num-integer v0.1.38
Dec 12 22:50:39.337 INFO [stderr]    Compiling chrono v0.4.2
Dec 12 22:50:42.631 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 12 22:50:42.919 INFO [stderr] warning: unused import: `Block`
Dec 12 22:50:42.919 INFO [stderr]  --> src/main.rs:3:30
Dec 12 22:50:42.919 INFO [stderr]   |
Dec 12 22:50:42.920 INFO [stderr] 3 | use blockchain::{Blockchain, Block, Transaction};
Dec 12 22:50:42.920 INFO [stderr]   |                              ^^^^^
Dec 12 22:50:42.920 INFO [stderr]   |
Dec 12 22:50:42.920 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 22:50:42.920 INFO [stderr] 
Dec 12 22:50:43.047 INFO [stderr] warning: method is never used: `is_chain_valid`
Dec 12 22:50:43.047 INFO [stderr]    --> src/blockchain.rs:164:5
Dec 12 22:50:43.047 INFO [stderr]     |
Dec 12 22:50:43.047 INFO [stderr] 164 |     fn is_chain_valid(&self) -> bool {
Dec 12 22:50:43.047 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:50:43.047 INFO [stderr]     |
Dec 12 22:50:43.047 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 22:50:43.047 INFO [stderr] 
Dec 12 22:50:44.363 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.09s
Dec 12 22:50:44.363 INFO [stderr] su: No module specific data is present
Dec 12 22:50:45.437 INFO running `"docker" "inspect" "8709180450f11001a5cb6b5a5059d1206fe234357c918e63d2c6c1b83234f139"`
Dec 12 22:50:45.777 INFO running `"docker" "rm" "-f" "8709180450f11001a5cb6b5a5059d1206fe234357c918e63d2c6c1b83234f139"`
Dec 12 22:50:46.087 INFO [stdout] 8709180450f11001a5cb6b5a5059d1206fe234357c918e63d2c6c1b83234f139
Dec 12 22:50:46.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 22:50:46.611 INFO [stdout] 6ed2337c34f6f9492cfab9eaf6c8775c0d1fdea5893848827ba633b15e75ad67
Dec 12 22:50:46.613 INFO running `"docker" "start" "-a" "6ed2337c34f6f9492cfab9eaf6c8775c0d1fdea5893848827ba633b15e75ad67"`
Dec 12 22:50:47.647 INFO [stderr] usermod: no changes
Dec 12 22:50:47.719 INFO [stderr]    Compiling blockchain v0.1.0 (/source)
Dec 12 22:50:48.015 INFO [stderr] warning: unused import: `Block`
Dec 12 22:50:48.015 INFO [stderr]  --> src/main.rs:3:30
Dec 12 22:50:48.015 INFO [stderr]   |
Dec 12 22:50:48.015 INFO [stderr] 3 | use blockchain::{Blockchain, Block, Transaction};
Dec 12 22:50:48.015 INFO [stderr]   |                              ^^^^^
Dec 12 22:50:48.015 INFO [stderr]   |
Dec 12 22:50:48.015 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 22:50:48.015 INFO [stderr] 
Dec 12 22:50:48.127 INFO [stderr] warning: method is never used: `is_chain_valid`
Dec 12 22:50:48.127 INFO [stderr]    --> src/blockchain.rs:164:5
Dec 12 22:50:48.127 INFO [stderr]     |
Dec 12 22:50:48.127 INFO [stderr] 164 |     fn is_chain_valid(&self) -> bool {
Dec 12 22:50:48.127 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:50:48.127 INFO [stderr]     |
Dec 12 22:50:48.127 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 22:50:48.127 INFO [stderr] 
Dec 12 22:50:48.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 12 22:50:48.528 INFO [stderr] su: No module specific data is present
Dec 12 22:50:49.127 INFO running `"docker" "inspect" "6ed2337c34f6f9492cfab9eaf6c8775c0d1fdea5893848827ba633b15e75ad67"`
Dec 12 22:50:49.677 INFO running `"docker" "rm" "-f" "6ed2337c34f6f9492cfab9eaf6c8775c0d1fdea5893848827ba633b15e75ad67"`
Dec 12 22:50:50.099 INFO [stdout] 6ed2337c34f6f9492cfab9eaf6c8775c0d1fdea5893848827ba633b15e75ad67
Dec 12 22:50:50.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 22:50:50.532 INFO [stdout] 8839de02c0cd33a823fd220305b362fa3c05e0af70be543d33eeea76e8cd3f48
Dec 12 22:50:50.539 INFO running `"docker" "start" "-a" "8839de02c0cd33a823fd220305b362fa3c05e0af70be543d33eeea76e8cd3f48"`
Dec 12 22:50:51.763 INFO [stderr] usermod: no changes
Dec 12 22:50:51.871 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 12 22:50:51.882 INFO [stderr]      Running /target/debug/deps/blockchain-a131f90eb986b57f
Dec 12 22:50:51.885 INFO [stdout] 
Dec 12 22:50:51.885 INFO [stdout] running 0 tests
Dec 12 22:50:51.885 INFO [stdout] 
Dec 12 22:50:51.885 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 22:50:51.885 INFO [stdout] 
Dec 12 22:50:51.891 INFO [stderr] su: No module specific data is present
Dec 12 22:50:52.535 INFO running `"docker" "inspect" "8839de02c0cd33a823fd220305b362fa3c05e0af70be543d33eeea76e8cd3f48"`
Dec 12 22:50:52.723 INFO running `"docker" "rm" "-f" "8839de02c0cd33a823fd220305b362fa3c05e0af70be543d33eeea76e8cd3f48"`
Dec 12 22:50:53.007 INFO [stdout] 8839de02c0cd33a823fd220305b362fa3c05e0af70be543d33eeea76e8cd3f48