Nov 03 20:55:51.340 INFO checking uma0317/Rust-BlockChain against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 20:55:51.340 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 03 20:55:51.799 INFO blam! b62db54cfcda5b5b41e3d1caa5fc28a685cb62a29839d35cd1ad9a16bf0ddf5e
Nov 03 20:55:51.807 INFO running `"docker" "start" "-a" "b62db54cfcda5b5b41e3d1caa5fc28a685cb62a29839d35cd1ad9a16bf0ddf5e"`
Nov 03 20:55:53.794 INFO kablam! usermod: no changes
Nov 03 20:55:53.887 INFO kablam!    Compiling num-traits v0.2.4
Nov 03 20:55:53.888 INFO kablam!    Compiling num-integer v0.1.38
Nov 03 20:55:53.888 INFO kablam!    Compiling rust-crypto v0.2.36
Nov 03 20:55:53.888 INFO kablam!     Checking rand v0.4.2
Nov 03 20:55:53.888 INFO kablam!     Checking time v0.1.40
Nov 03 20:55:59.237 INFO kablam!     Checking rand v0.3.22
Nov 03 20:56:02.104 INFO kablam!     Checking chrono v0.4.2
Nov 03 20:56:08.147 INFO kablam!     Checking blockchain v0.1.0 (/source)
Nov 03 20:56:08.455 INFO kablam! warning: unused import: `Block`
Nov 03 20:56:08.456 INFO kablam!  --> src/main.rs:3:30
Nov 03 20:56:08.456 INFO kablam!   |
Nov 03 20:56:08.456 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 03 20:56:08.457 INFO kablam!   |                              ^^^^^
Nov 03 20:56:08.457 INFO kablam!   |
Nov 03 20:56:08.457 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 20:56:08.458 INFO kablam! 
Nov 03 20:56:08.471 INFO kablam! warning: unused import: `Block`
Nov 03 20:56:08.472 INFO kablam!  --> src/main.rs:3:30
Nov 03 20:56:08.472 INFO kablam!   |
Nov 03 20:56:08.472 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 03 20:56:08.472 INFO kablam!   |                              ^^^^^
Nov 03 20:56:08.473 INFO kablam!   |
Nov 03 20:56:08.473 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 20:56:08.473 INFO kablam! 
Nov 03 20:56:08.695 INFO kablam! warning: method is never used: `is_chain_valid`
Nov 03 20:56:08.695 INFO kablam!    --> src/blockchain.rs:164:5
Nov 03 20:56:08.695 INFO kablam!     |
Nov 03 20:56:08.695 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Nov 03 20:56:08.695 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 20:56:08.695 INFO kablam!     |
Nov 03 20:56:08.695 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 03 20:56:08.695 INFO kablam! 
Nov 03 20:56:08.723 INFO kablam! warning: method is never used: `is_chain_valid`
Nov 03 20:56:08.723 INFO kablam!    --> src/blockchain.rs:164:5
Nov 03 20:56:08.723 INFO kablam!     |
Nov 03 20:56:08.723 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Nov 03 20:56:08.723 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 20:56:08.723 INFO kablam!     |
Nov 03 20:56:08.723 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 03 20:56:08.723 INFO kablam! 
Nov 03 20:56:08.762 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.93s
Nov 03 20:56:08.767 INFO kablam! su: No module specific data is present
Nov 03 20:56:09.735 INFO running `"docker" "rm" "-f" "b62db54cfcda5b5b41e3d1caa5fc28a685cb62a29839d35cd1ad9a16bf0ddf5e"`
Nov 03 20:56:10.128 INFO blam! b62db54cfcda5b5b41e3d1caa5fc28a685cb62a29839d35cd1ad9a16bf0ddf5e