Nov 17 07:06:58.164 INFO testing carlosgj94/simple_blockchain against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 07:06:58.164 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 07:06:58.736 INFO [stdout] 03955a159c99a455e2954e2c155482b58dd75ebd6379f250534c484988a3d597
Nov 17 07:06:58.738 INFO running `"docker" "start" "-a" "03955a159c99a455e2954e2c155482b58dd75ebd6379f250534c484988a3d597"`
Nov 17 07:06:59.919 INFO [stderr] usermod: no changes
Nov 17 07:07:00.014 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 17 07:07:08.360 INFO [stderr]    Compiling simple_blockchain v0.1.0 (/source)
Nov 17 07:07:08.803 INFO [stderr] warning: value assigned to `hash` is never read
Nov 17 07:07:08.803 INFO [stderr]   --> src/main.rs:73:13
Nov 17 07:07:08.803 INFO [stderr]    |
Nov 17 07:07:08.803 INFO [stderr] 73 |     let mut hash = String::new();
Nov 17 07:07:08.803 INFO [stderr]    |             ^^^^
Nov 17 07:07:08.803 INFO [stderr]    |
Nov 17 07:07:08.807 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 07:07:08.807 INFO [stderr] 
Nov 17 07:07:08.826 INFO [stderr] warning: function is never used: `is_valid_new_block`
Nov 17 07:07:08.826 INFO [stderr]    --> src/main.rs:104:1
Nov 17 07:07:08.827 INFO [stderr]     |
Nov 17 07:07:08.827 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Nov 17 07:07:08.827 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:07:08.828 INFO [stderr]     |
Nov 17 07:07:08.828 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 17 07:07:08.828 INFO [stderr] 
Nov 17 07:07:09.571 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
Nov 17 07:07:09.571 INFO [stderr] su: No module specific data is present
Nov 17 07:07:09.969 INFO running `"docker" "inspect" "03955a159c99a455e2954e2c155482b58dd75ebd6379f250534c484988a3d597"`
Nov 17 07:07:10.093 INFO running `"docker" "rm" "-f" "03955a159c99a455e2954e2c155482b58dd75ebd6379f250534c484988a3d597"`
Nov 17 07:07:10.184 INFO [stdout] 03955a159c99a455e2954e2c155482b58dd75ebd6379f250534c484988a3d597
Nov 17 07:07:10.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 07:07:10.390 INFO [stdout] e92ba5130743c7763ab1ba78f8eddb47deb773494b73580ae16364175691493a
Nov 17 07:07:10.392 INFO running `"docker" "start" "-a" "e92ba5130743c7763ab1ba78f8eddb47deb773494b73580ae16364175691493a"`
Nov 17 07:07:10.951 INFO [stderr] usermod: no changes
Nov 17 07:07:10.996 INFO [stderr]    Compiling simple_blockchain v0.1.0 (/source)
Nov 17 07:07:11.514 INFO [stderr] warning: value assigned to `hash` is never read
Nov 17 07:07:11.515 INFO [stderr]   --> src/main.rs:73:13
Nov 17 07:07:11.515 INFO [stderr]    |
Nov 17 07:07:11.515 INFO [stderr] 73 |     let mut hash = String::new();
Nov 17 07:07:11.515 INFO [stderr]    |             ^^^^
Nov 17 07:07:11.516 INFO [stderr]    |
Nov 17 07:07:11.516 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 07:07:11.516 INFO [stderr] 
Nov 17 07:07:11.539 INFO [stderr] warning: function is never used: `is_valid_new_block`
Nov 17 07:07:11.539 INFO [stderr]    --> src/main.rs:104:1
Nov 17 07:07:11.539 INFO [stderr]     |
Nov 17 07:07:11.539 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Nov 17 07:07:11.539 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 07:07:11.539 INFO [stderr]     |
Nov 17 07:07:11.539 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 17 07:07:11.539 INFO [stderr] 
Nov 17 07:07:11.885 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Nov 17 07:07:11.889 INFO [stderr] su: No module specific data is present
Nov 17 07:07:12.535 INFO running `"docker" "inspect" "e92ba5130743c7763ab1ba78f8eddb47deb773494b73580ae16364175691493a"`
Nov 17 07:07:12.716 INFO running `"docker" "rm" "-f" "e92ba5130743c7763ab1ba78f8eddb47deb773494b73580ae16364175691493a"`
Nov 17 07:07:12.868 INFO [stdout] e92ba5130743c7763ab1ba78f8eddb47deb773494b73580ae16364175691493a
Nov 17 07:07:12.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 17 07:07:13.094 INFO [stdout] c9c72eb1da0a6568ca16405ef4e662f083a69fafb2a80ed1209448ccadf84830
Nov 17 07:07:13.096 INFO running `"docker" "start" "-a" "c9c72eb1da0a6568ca16405ef4e662f083a69fafb2a80ed1209448ccadf84830"`
Nov 17 07:07:13.616 INFO [stderr] usermod: no changes
Nov 17 07:07:13.695 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 17 07:07:13.705 INFO [stderr]      Running /target/debug/deps/simple_blockchain-bfc09911acd127d5
Nov 17 07:07:13.708 INFO [stdout] 
Nov 17 07:07:13.708 INFO [stdout] running 0 tests
Nov 17 07:07:13.709 INFO [stdout] 
Nov 17 07:07:13.709 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 07:07:13.709 INFO [stdout] 
Nov 17 07:07:13.715 INFO [stderr] su: No module specific data is present
Nov 17 07:07:14.217 INFO running `"docker" "inspect" "c9c72eb1da0a6568ca16405ef4e662f083a69fafb2a80ed1209448ccadf84830"`
Nov 17 07:07:14.623 INFO running `"docker" "rm" "-f" "c9c72eb1da0a6568ca16405ef4e662f083a69fafb2a80ed1209448ccadf84830"`
Nov 17 07:07:14.867 INFO [stdout] c9c72eb1da0a6568ca16405ef4e662f083a69fafb2a80ed1209448ccadf84830