Nov 27 17:57:18.667 INFO checking uma0317/Rust-BlockChain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 17:57:18.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 17:57:19.117 INFO [stdout] fa4344163f372fc582a30097f511f92c932cb028457acd7ba8a834c7c7d445a3
Nov 27 17:57:19.122 INFO running `"docker" "start" "-a" "fa4344163f372fc582a30097f511f92c932cb028457acd7ba8a834c7c7d445a3"`
Nov 27 17:57:20.539 INFO [stderr] usermod: no changes
Nov 27 17:57:20.704 INFO [stderr]    Compiling num-traits v0.2.4
Nov 27 17:57:20.704 INFO [stderr]    Compiling num-integer v0.1.38
Nov 27 17:57:24.809 INFO [stderr]     Checking chrono v0.4.2
Nov 27 17:57:26.690 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Nov 27 17:57:27.023 INFO [stderr] warning: unused import: `Block`
Nov 27 17:57:27.024 INFO [stderr]  --> src/main.rs:3:30
Nov 27 17:57:27.025 INFO [stderr]   |
Nov 27 17:57:27.025 INFO [stderr] 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 27 17:57:27.026 INFO [stderr]   |                              ^^^^^
Nov 27 17:57:27.026 INFO [stderr]   |
Nov 27 17:57:27.027 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 17:57:27.027 INFO [stderr] 
Nov 27 17:57:27.108 INFO [stderr] warning: unused import: `Block`
Nov 27 17:57:27.108 INFO [stderr]  --> src/main.rs:3:30
Nov 27 17:57:27.108 INFO [stderr]   |
Nov 27 17:57:27.108 INFO [stderr] 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 27 17:57:27.109 INFO [stderr]   |                              ^^^^^
Nov 27 17:57:27.110 INFO [stderr]   |
Nov 27 17:57:27.110 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 17:57:27.110 INFO [stderr] 
Nov 27 17:57:27.312 INFO [stderr] warning: method is never used: `is_chain_valid`
Nov 27 17:57:27.312 INFO [stderr]    --> src/blockchain.rs:164:5
Nov 27 17:57:27.312 INFO [stderr]     |
Nov 27 17:57:27.312 INFO [stderr] 164 |     fn is_chain_valid(&self) -> bool {
Nov 27 17:57:27.312 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:57:27.312 INFO [stderr]     |
Nov 27 17:57:27.312 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 17:57:27.312 INFO [stderr] 
Nov 27 17:57:27.340 INFO [stderr] warning: method is never used: `is_chain_valid`
Nov 27 17:57:27.340 INFO [stderr]    --> src/blockchain.rs:164:5
Nov 27 17:57:27.340 INFO [stderr]     |
Nov 27 17:57:27.340 INFO [stderr] 164 |     fn is_chain_valid(&self) -> bool {
Nov 27 17:57:27.340 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:57:27.340 INFO [stderr]     |
Nov 27 17:57:27.340 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 17:57:27.340 INFO [stderr] 
Nov 27 17:57:27.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.85s
Nov 27 17:57:27.425 INFO [stderr] su: No module specific data is present
Nov 27 17:57:28.818 INFO running `"docker" "inspect" "fa4344163f372fc582a30097f511f92c932cb028457acd7ba8a834c7c7d445a3"`
Nov 27 17:57:29.052 INFO running `"docker" "rm" "-f" "fa4344163f372fc582a30097f511f92c932cb028457acd7ba8a834c7c7d445a3"`
Nov 27 17:57:29.385 INFO [stdout] fa4344163f372fc582a30097f511f92c932cb028457acd7ba8a834c7c7d445a3