Nov 28 08:05:27.117 INFO checking carlosgj94/simple_blockchain against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 08:05:27.119 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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 28 08:05:27.650 INFO [stdout] 0b7b75d38d71806fc4c0eb16887896b146dc6a5ea22d2729292eed73054d309b
Nov 28 08:05:27.652 INFO running `"docker" "start" "-a" "0b7b75d38d71806fc4c0eb16887896b146dc6a5ea22d2729292eed73054d309b"`
Nov 28 08:05:29.632 INFO [stderr] usermod: no changes
Nov 28 08:05:29.728 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 28 08:05:36.436 INFO [stderr]     Checking simple_blockchain v0.1.0 (/source)
Nov 28 08:05:37.236 INFO [stderr] warning: value assigned to `hash` is never read
Nov 28 08:05:37.236 INFO [stderr]   --> src/main.rs:73:13
Nov 28 08:05:37.236 INFO [stderr]    |
Nov 28 08:05:37.236 INFO [stderr] 73 |     let mut hash = String::new();
Nov 28 08:05:37.236 INFO [stderr]    |             ^^^^
Nov 28 08:05:37.236 INFO [stderr]    |
Nov 28 08:05:37.236 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 08:05:37.236 INFO [stderr] 
Nov 28 08:05:37.268 INFO [stderr] warning: function is never used: `is_valid_new_block`
Nov 28 08:05:37.268 INFO [stderr]    --> src/main.rs:104:1
Nov 28 08:05:37.268 INFO [stderr]     |
Nov 28 08:05:37.268 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Nov 28 08:05:37.268 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:05:37.268 INFO [stderr]     |
Nov 28 08:05:37.268 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 08:05:37.268 INFO [stderr] 
Nov 28 08:05:37.268 INFO [stderr] warning: value assigned to `hash` is never read
Nov 28 08:05:37.268 INFO [stderr]   --> src/main.rs:73:13
Nov 28 08:05:37.268 INFO [stderr]    |
Nov 28 08:05:37.268 INFO [stderr] 73 |     let mut hash = String::new();
Nov 28 08:05:37.268 INFO [stderr]    |             ^^^^
Nov 28 08:05:37.268 INFO [stderr]    |
Nov 28 08:05:37.268 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 08:05:37.269 INFO [stderr] 
Nov 28 08:05:37.294 INFO [stderr] warning: function is never used: `is_valid_new_block`
Nov 28 08:05:37.295 INFO [stderr]    --> src/main.rs:104:1
Nov 28 08:05:37.295 INFO [stderr]     |
Nov 28 08:05:37.295 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Nov 28 08:05:37.295 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 08:05:37.295 INFO [stderr]     |
Nov 28 08:05:37.295 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 08:05:37.296 INFO [stderr] 
Nov 28 08:05:37.328 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.67s
Nov 28 08:05:37.336 INFO [stderr] su: No module specific data is present
Nov 28 08:05:37.606 INFO running `"docker" "inspect" "0b7b75d38d71806fc4c0eb16887896b146dc6a5ea22d2729292eed73054d309b"`
Nov 28 08:05:37.729 INFO running `"docker" "rm" "-f" "0b7b75d38d71806fc4c0eb16887896b146dc6a5ea22d2729292eed73054d309b"`
Nov 28 08:05:37.888 INFO [stdout] 0b7b75d38d71806fc4c0eb16887896b146dc6a5ea22d2729292eed73054d309b