Oct 31 18:54:50.435 INFO checking uma0317/Rust-BlockChain against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 18:54:50.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 18:54:51.056 INFO blam! be7da1e77076b6e0855a2fcb131dc3190acb11526200bd93f43f7eb21c15c977
Oct 31 18:54:51.066 INFO running `"docker" "start" "-a" "be7da1e77076b6e0855a2fcb131dc3190acb11526200bd93f43f7eb21c15c977"`
Oct 31 18:54:52.488 INFO kablam! usermod: no changes
Oct 31 18:54:52.605 INFO kablam!    Compiling num-traits v0.2.4
Oct 31 18:54:52.605 INFO kablam!    Compiling num-integer v0.1.38
Oct 31 18:54:56.656 INFO kablam!     Checking chrono v0.4.2
Oct 31 18:54:59.020 INFO kablam!     Checking blockchain v0.1.0 (/source)
Oct 31 18:54:59.440 INFO kablam! warning: unused import: `Block`
Oct 31 18:54:59.440 INFO kablam!  --> src/main.rs:3:30
Oct 31 18:54:59.440 INFO kablam!   |
Oct 31 18:54:59.440 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Oct 31 18:54:59.440 INFO kablam!   |                              ^^^^^
Oct 31 18:54:59.440 INFO kablam!   |
Oct 31 18:54:59.440 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 18:54:59.440 INFO kablam! 
Oct 31 18:54:59.444 INFO kablam! warning: unused import: `Block`
Oct 31 18:54:59.444 INFO kablam!  --> src/main.rs:3:30
Oct 31 18:54:59.444 INFO kablam!   |
Oct 31 18:54:59.444 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Oct 31 18:54:59.444 INFO kablam!   |                              ^^^^^
Oct 31 18:54:59.444 INFO kablam!   |
Oct 31 18:54:59.444 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 18:54:59.444 INFO kablam! 
Oct 31 18:54:59.700 INFO kablam! warning: method is never used: `is_chain_valid`
Oct 31 18:54:59.700 INFO kablam!    --> src/blockchain.rs:164:5
Oct 31 18:54:59.700 INFO kablam!     |
Oct 31 18:54:59.700 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Oct 31 18:54:59.700 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:54:59.700 INFO kablam!     |
Oct 31 18:54:59.700 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 31 18:54:59.700 INFO kablam! 
Oct 31 18:54:59.740 INFO kablam! warning: method is never used: `is_chain_valid`
Oct 31 18:54:59.740 INFO kablam!    --> src/blockchain.rs:164:5
Oct 31 18:54:59.740 INFO kablam!     |
Oct 31 18:54:59.740 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Oct 31 18:54:59.740 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:54:59.740 INFO kablam!     |
Oct 31 18:54:59.740 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 31 18:54:59.740 INFO kablam! 
Oct 31 18:54:59.860 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.33s
Oct 31 18:54:59.868 INFO kablam! su: No module specific data is present
Oct 31 18:55:01.375 INFO running `"docker" "rm" "-f" "be7da1e77076b6e0855a2fcb131dc3190acb11526200bd93f43f7eb21c15c977"`
Oct 31 18:55:01.717 INFO blam! be7da1e77076b6e0855a2fcb131dc3190acb11526200bd93f43f7eb21c15c977