Oct 12 11:31:47.382 INFO checking uma0317/Rust-BlockChain against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 11:31:47.384 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 11:31:47.933 INFO blam! 591a51212798d746430b51c91dcdfdd290bdcb14f86d529b828feaeed2da032b
Oct 12 11:31:47.935 INFO running `"docker" "start" "-a" "591a51212798d746430b51c91dcdfdd290bdcb14f86d529b828feaeed2da032b"`
Oct 12 11:31:50.780 INFO kablam! usermod: no changes
Oct 12 11:31:50.980 INFO kablam!     Checking rand v0.4.2
Oct 12 11:31:50.980 INFO kablam!     Checking time v0.1.40
Oct 12 11:31:50.992 INFO kablam!    Compiling rust-crypto v0.2.36
Oct 12 11:31:50.993 INFO kablam!     Checking num-integer v0.1.38
Oct 12 11:31:53.777 INFO kablam!     Checking chrono v0.4.2
Oct 12 11:31:55.098 INFO kablam!     Checking rand v0.3.22
Oct 12 11:32:01.914 INFO kablam!     Checking blockchain v0.1.0 (/source)
Oct 12 11:32:02.289 INFO kablam! warning: unused import: `Block`
Oct 12 11:32:02.289 INFO kablam!  --> src/main.rs:3:30
Oct 12 11:32:02.289 INFO kablam!   |
Oct 12 11:32:02.289 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Oct 12 11:32:02.289 INFO kablam!   |                              ^^^^^
Oct 12 11:32:02.289 INFO kablam!   |
Oct 12 11:32:02.289 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 11:32:02.289 INFO kablam! 
Oct 12 11:32:02.448 INFO kablam! warning: unused import: `Block`
Oct 12 11:32:02.448 INFO kablam!  --> src/main.rs:3:30
Oct 12 11:32:02.448 INFO kablam!   |
Oct 12 11:32:02.448 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Oct 12 11:32:02.448 INFO kablam!   |                              ^^^^^
Oct 12 11:32:02.448 INFO kablam!   |
Oct 12 11:32:02.448 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 11:32:02.448 INFO kablam! 
Oct 12 11:32:02.564 INFO kablam! warning: method is never used: `is_chain_valid`
Oct 12 11:32:02.564 INFO kablam!    --> src/blockchain.rs:164:5
Oct 12 11:32:02.564 INFO kablam!     |
Oct 12 11:32:02.564 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Oct 12 11:32:02.564 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:32:02.564 INFO kablam!     |
Oct 12 11:32:02.564 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 11:32:02.564 INFO kablam! 
Oct 12 11:32:02.749 INFO kablam! warning: method is never used: `is_chain_valid`
Oct 12 11:32:02.749 INFO kablam!    --> src/blockchain.rs:164:5
Oct 12 11:32:02.749 INFO kablam!     |
Oct 12 11:32:02.749 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Oct 12 11:32:02.750 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:32:02.750 INFO kablam!     |
Oct 12 11:32:02.750 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 11:32:02.751 INFO kablam! 
Oct 12 11:32:02.802 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.00s
Oct 12 11:32:02.813 INFO kablam! su: No module specific data is present
Oct 12 11:32:03.606 INFO running `"docker" "rm" "-f" "591a51212798d746430b51c91dcdfdd290bdcb14f86d529b828feaeed2da032b"`
Oct 12 11:32:03.848 INFO blam! 591a51212798d746430b51c91dcdfdd290bdcb14f86d529b828feaeed2da032b