Nov 02 04:22:43.967 INFO checking uma0317/Rust-BlockChain against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 04:22:43.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 04:22:44.360 INFO blam! 78566735b8827cfc024238a55c692272cca403902cbc1a30c4fb9ec37ecc6487
Nov 02 04:22:44.362 INFO running `"docker" "start" "-a" "78566735b8827cfc024238a55c692272cca403902cbc1a30c4fb9ec37ecc6487"`
Nov 02 04:22:46.352 INFO kablam! usermod: no changes
Nov 02 04:22:46.511 INFO kablam!    Compiling num-traits v0.2.4
Nov 02 04:22:46.512 INFO kablam!    Compiling num-integer v0.1.38
Nov 02 04:22:46.512 INFO kablam!     Checking libc v0.2.41
Nov 02 04:22:50.041 INFO kablam!     Checking rand v0.4.2
Nov 02 04:22:50.042 INFO kablam!     Checking time v0.1.40
Nov 02 04:22:53.736 INFO kablam!     Checking rand v0.3.22
Nov 02 04:22:53.898 INFO kablam!     Checking chrono v0.4.2
Nov 02 04:22:54.167 INFO kablam!     Checking rust-crypto v0.2.36
Nov 02 04:23:01.040 INFO kablam!     Checking blockchain v0.1.0 (/source)
Nov 02 04:23:01.493 INFO kablam! warning: unused import: `Block`
Nov 02 04:23:01.493 INFO kablam!  --> src/main.rs:3:30
Nov 02 04:23:01.493 INFO kablam!   |
Nov 02 04:23:01.493 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 02 04:23:01.493 INFO kablam!   |                              ^^^^^
Nov 02 04:23:01.493 INFO kablam!   |
Nov 02 04:23:01.493 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 04:23:01.493 INFO kablam! 
Nov 02 04:23:01.498 INFO kablam! warning: unused import: `Block`
Nov 02 04:23:01.498 INFO kablam!  --> src/main.rs:3:30
Nov 02 04:23:01.498 INFO kablam!   |
Nov 02 04:23:01.498 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 02 04:23:01.498 INFO kablam!   |                              ^^^^^
Nov 02 04:23:01.498 INFO kablam!   |
Nov 02 04:23:01.498 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 04:23:01.498 INFO kablam! 
Nov 02 04:23:01.672 INFO kablam! warning: method is never used: `is_chain_valid`
Nov 02 04:23:01.672 INFO kablam!    --> src/blockchain.rs:164:5
Nov 02 04:23:01.672 INFO kablam!     |
Nov 02 04:23:01.672 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Nov 02 04:23:01.672 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 04:23:01.672 INFO kablam!     |
Nov 02 04:23:01.672 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 02 04:23:01.672 INFO kablam! 
Nov 02 04:23:01.729 INFO kablam! warning: method is never used: `is_chain_valid`
Nov 02 04:23:01.729 INFO kablam!    --> src/blockchain.rs:164:5
Nov 02 04:23:01.729 INFO kablam!     |
Nov 02 04:23:01.729 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Nov 02 04:23:01.729 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 04:23:01.729 INFO kablam!     |
Nov 02 04:23:01.729 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 02 04:23:01.729 INFO kablam! 
Nov 02 04:23:01.797 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.41s
Nov 02 04:23:01.801 INFO kablam! su: No module specific data is present
Nov 02 04:23:03.193 INFO running `"docker" "rm" "-f" "78566735b8827cfc024238a55c692272cca403902cbc1a30c4fb9ec37ecc6487"`
Nov 02 04:23:03.548 INFO blam! 78566735b8827cfc024238a55c692272cca403902cbc1a30c4fb9ec37ecc6487