Dec 12 15:20:12.317 INFO checking ethereum-block-core-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 15:20:12.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 15:20:12.864 INFO [stdout] 027c62b43a009ebf5f740fd96eebee923e69498eb392c52b9ebbdef33e595fbe
Dec 12 15:20:12.868 INFO running `"docker" "start" "-a" "027c62b43a009ebf5f740fd96eebee923e69498eb392c52b9ebbdef33e595fbe"`
Dec 12 15:20:13.825 INFO [stderr] usermod: no changes
Dec 12 15:20:13.912 INFO [stderr]     Checking ethereum-hexutil v0.2.3
Dec 12 15:20:13.912 INFO [stderr]     Checking elastic-array-plus v0.9.1
Dec 12 15:20:13.912 INFO [stderr]     Checking sha3 v0.6.0
Dec 12 15:20:15.432 INFO [stderr]     Checking ethereum-rlp v0.2.3
Dec 12 15:20:16.317 INFO [stderr]     Checking ethereum-bigint v0.2.9
Dec 12 15:20:18.821 INFO [stderr]     Checking ethereum-block-core v0.1.0 (/source)
Dec 12 15:20:21.284 INFO [stderr] warning: unused imports: `Address`, `B256`, `Gas`
Dec 12 15:20:21.284 INFO [stderr]  --> src/account.rs:2:14
Dec 12 15:20:21.284 INFO [stderr]   |
Dec 12 15:20:21.284 INFO [stderr] 2 | use bigint::{Address, Gas, H256, U256, B256};
Dec 12 15:20:21.284 INFO [stderr]   |              ^^^^^^^  ^^^              ^^^^
Dec 12 15:20:21.284 INFO [stderr]   |
Dec 12 15:20:21.284 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 15:20:21.284 INFO [stderr] 
Dec 12 15:20:21.284 INFO [stderr] warning: unused imports: `B256`, `Gas`, `H64`, `U256`
Dec 12 15:20:21.284 INFO [stderr]  --> src/log.rs:2:23
Dec 12 15:20:21.284 INFO [stderr]   |
Dec 12 15:20:21.284 INFO [stderr] 2 | use bigint::{Address, Gas, H256, U256, B256, H64};
Dec 12 15:20:21.284 INFO [stderr]   |                       ^^^        ^^^^  ^^^^  ^^^
Dec 12 15:20:21.284 INFO [stderr] 
Dec 12 15:20:21.348 INFO [stderr] warning: unused imports: `Address`, `B256`, `Gas`
Dec 12 15:20:21.348 INFO [stderr]  --> src/account.rs:2:14
Dec 12 15:20:21.348 INFO [stderr]   |
Dec 12 15:20:21.348 INFO [stderr] 2 | use bigint::{Address, Gas, H256, U256, B256};
Dec 12 15:20:21.348 INFO [stderr]   |              ^^^^^^^  ^^^              ^^^^
Dec 12 15:20:21.348 INFO [stderr]   |
Dec 12 15:20:21.348 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 15:20:21.348 INFO [stderr] 
Dec 12 15:20:21.348 INFO [stderr] warning: unused imports: `B256`, `Gas`, `H64`, `U256`
Dec 12 15:20:21.348 INFO [stderr]  --> src/log.rs:2:23
Dec 12 15:20:21.348 INFO [stderr]   |
Dec 12 15:20:21.348 INFO [stderr] 2 | use bigint::{Address, Gas, H256, U256, B256, H64};
Dec 12 15:20:21.348 INFO [stderr]   |                       ^^^        ^^^^  ^^^^  ^^^
Dec 12 15:20:21.348 INFO [stderr] 
Dec 12 15:20:21.492 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.65s
Dec 12 15:20:21.497 INFO [stderr] su: No module specific data is present
Dec 12 15:20:22.747 INFO running `"docker" "inspect" "027c62b43a009ebf5f740fd96eebee923e69498eb392c52b9ebbdef33e595fbe"`
Dec 12 15:20:23.038 INFO running `"docker" "rm" "-f" "027c62b43a009ebf5f740fd96eebee923e69498eb392c52b9ebbdef33e595fbe"`
Dec 12 15:20:23.325 INFO [stdout] 027c62b43a009ebf5f740fd96eebee923e69498eb392c52b9ebbdef33e595fbe