Nov 06 11:53:10.717 INFO checking uma0317/Rust-BlockChain against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings for pr-55687
Nov 06 11:53:10.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-0/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dduplicate_associated_type_bindings" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 06 11:53:11.290 INFO blam! 15817caaa39fb3d0343ff281eda1822248eece107f96c53df38fa27b77cca91e
Nov 06 11:53:11.312 INFO running `"docker" "start" "-a" "15817caaa39fb3d0343ff281eda1822248eece107f96c53df38fa27b77cca91e"`
Nov 06 11:53:12.971 INFO kablam! usermod: no changes
Nov 06 11:53:13.080 INFO kablam!    Compiling num-traits v0.2.4
Nov 06 11:53:13.080 INFO kablam!    Compiling num-integer v0.1.38
Nov 06 11:53:13.080 INFO kablam!     Checking rand v0.4.2
Nov 06 11:53:13.080 INFO kablam!     Checking time v0.1.40
Nov 06 11:53:16.272 INFO kablam!     Checking rand v0.3.22
Nov 06 11:53:16.672 INFO kablam!     Checking rust-crypto v0.2.36
Nov 06 11:53:19.612 INFO kablam!     Checking chrono v0.4.2
Nov 06 11:53:24.924 INFO kablam!     Checking blockchain v0.1.0 (/source)
Nov 06 11:53:25.241 INFO kablam! warning: unused import: `Block`
Nov 06 11:53:25.241 INFO kablam!  --> src/main.rs:3:30
Nov 06 11:53:25.241 INFO kablam!   |
Nov 06 11:53:25.241 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 06 11:53:25.241 INFO kablam!   |                              ^^^^^
Nov 06 11:53:25.241 INFO kablam!   |
Nov 06 11:53:25.241 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 11:53:25.241 INFO kablam! 
Nov 06 11:53:25.329 INFO kablam! warning: unused import: `Block`
Nov 06 11:53:25.329 INFO kablam!  --> src/main.rs:3:30
Nov 06 11:53:25.329 INFO kablam!   |
Nov 06 11:53:25.329 INFO kablam! 3 | use blockchain::{Blockchain, Block, Transaction};
Nov 06 11:53:25.329 INFO kablam!   |                              ^^^^^
Nov 06 11:53:25.329 INFO kablam!   |
Nov 06 11:53:25.330 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 11:53:25.330 INFO kablam! 
Nov 06 11:53:25.438 INFO kablam! warning: method is never used: `is_chain_valid`
Nov 06 11:53:25.438 INFO kablam!    --> src/blockchain.rs:164:5
Nov 06 11:53:25.438 INFO kablam!     |
Nov 06 11:53:25.438 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Nov 06 11:53:25.438 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 11:53:25.438 INFO kablam!     |
Nov 06 11:53:25.438 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 06 11:53:25.438 INFO kablam! 
Nov 06 11:53:25.588 INFO kablam! warning: method is never used: `is_chain_valid`
Nov 06 11:53:25.588 INFO kablam!    --> src/blockchain.rs:164:5
Nov 06 11:53:25.588 INFO kablam!     |
Nov 06 11:53:25.588 INFO kablam! 164 |     fn is_chain_valid(&self) -> bool {
Nov 06 11:53:25.588 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 11:53:25.588 INFO kablam!     |
Nov 06 11:53:25.588 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 06 11:53:25.588 INFO kablam! 
Nov 06 11:53:25.620 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
Nov 06 11:53:25.632 INFO kablam! su: No module specific data is present
Nov 06 11:53:26.468 INFO running `"docker" "rm" "-f" "15817caaa39fb3d0343ff281eda1822248eece107f96c53df38fa27b77cca91e"`
Nov 06 11:53:26.737 INFO blam! 15817caaa39fb3d0343ff281eda1822248eece107f96c53df38fa27b77cca91e