Dec 12 15:21:26.525 INFO checking etcommon-bigint-0.2.10 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:21:26.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 15:21:26.768 INFO [stdout] 5284f6a40c48a4a68714ffbd50e57c3965364975177e29a556e0f7b93f1b5b97
Dec 12 15:21:26.771 INFO running `"docker" "start" "-a" "5284f6a40c48a4a68714ffbd50e57c3965364975177e29a556e0f7b93f1b5b97"`
Dec 12 15:21:28.255 INFO [stderr] usermod: no changes
Dec 12 15:21:28.356 INFO [stderr]     Checking elastic-array-plus v0.10.0
Dec 12 15:21:28.356 INFO [stderr]     Checking etcommon-hexutil v0.2.4
Dec 12 15:21:29.978 INFO [stderr]     Checking etcommon-rlp v0.2.4
Dec 12 15:21:30.971 INFO [stderr]     Checking etcommon-bigint v0.2.10 (/source)
Dec 12 15:21:33.584 INFO [stderr] warning: type alias is never used: `H256FastMap`
Dec 12 15:21:33.584 INFO [stderr]    --> src/hash/mod.rs:541:1
Dec 12 15:21:33.584 INFO [stderr]     |
Dec 12 15:21:33.584 INFO [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Dec 12 15:21:33.584 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:21:33.584 INFO [stderr]     |
Dec 12 15:21:33.584 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 15:21:33.584 INFO [stderr] 
Dec 12 15:21:33.584 INFO [stderr] warning: type alias is never used: `H256FastSet`
Dec 12 15:21:33.584 INFO [stderr]    --> src/hash/mod.rs:544:1
Dec 12 15:21:33.584 INFO [stderr]     |
Dec 12 15:21:33.584 INFO [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Dec 12 15:21:33.584 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:21:33.584 INFO [stderr] 
Dec 12 15:21:34.468 INFO [stderr] warning: type alias is never used: `H256FastMap`
Dec 12 15:21:34.468 INFO [stderr]    --> src/hash/mod.rs:541:1
Dec 12 15:21:34.468 INFO [stderr]     |
Dec 12 15:21:34.468 INFO [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Dec 12 15:21:34.468 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:21:34.468 INFO [stderr]     |
Dec 12 15:21:34.468 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 15:21:34.468 INFO [stderr] 
Dec 12 15:21:34.468 INFO [stderr] warning: type alias is never used: `H256FastSet`
Dec 12 15:21:34.468 INFO [stderr]    --> src/hash/mod.rs:544:1
Dec 12 15:21:34.468 INFO [stderr]     |
Dec 12 15:21:34.468 INFO [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Dec 12 15:21:34.468 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:21:34.468 INFO [stderr] 
Dec 12 15:21:34.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
Dec 12 15:21:34.556 INFO [stderr] su: No module specific data is present
Dec 12 15:21:35.169 INFO running `"docker" "inspect" "5284f6a40c48a4a68714ffbd50e57c3965364975177e29a556e0f7b93f1b5b97"`
Dec 12 15:21:35.556 INFO running `"docker" "rm" "-f" "5284f6a40c48a4a68714ffbd50e57c3965364975177e29a556e0f7b93f1b5b97"`
Dec 12 15:21:35.824 INFO [stdout] 5284f6a40c48a4a68714ffbd50e57c3965364975177e29a556e0f7b93f1b5b97