Dec 07 17:25:00.621 INFO testing ethereum-bigint-0.2.9 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 17:25:00.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 07 17:25:00.982 INFO [stdout] 2f8f31d3e5be1cae0ab6a513c1af4159340a46a3fdaa68b46c1d0e6a2cc3b8ea
Dec 07 17:25:00.986 INFO running `"docker" "start" "-a" "2f8f31d3e5be1cae0ab6a513c1af4159340a46a3fdaa68b46c1d0e6a2cc3b8ea"`
Dec 07 17:25:01.680 INFO [stderr] usermod: no changes
Dec 07 17:25:01.733 INFO [stderr]    Compiling ethereum-hexutil v0.2.3
Dec 07 17:25:02.290 INFO [stderr]    Compiling ethereum-rlp v0.2.3
Dec 07 17:25:03.507 INFO [stderr]    Compiling ethereum-bigint v0.2.9 (/source)
Dec 07 17:25:05.312 INFO [stderr] warning: type alias is never used: `H256FastMap`
Dec 07 17:25:05.312 INFO [stderr]    --> src/hash/mod.rs:541:1
Dec 07 17:25:05.312 INFO [stderr]     |
Dec 07 17:25:05.312 INFO [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Dec 07 17:25:05.312 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:25:05.312 INFO [stderr]     |
Dec 07 17:25:05.312 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 07 17:25:05.312 INFO [stderr] 
Dec 07 17:25:05.312 INFO [stderr] warning: type alias is never used: `H256FastSet`
Dec 07 17:25:05.312 INFO [stderr]    --> src/hash/mod.rs:544:1
Dec 07 17:25:05.312 INFO [stderr]     |
Dec 07 17:25:05.312 INFO [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Dec 07 17:25:05.312 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:25:05.312 INFO [stderr] 
Dec 07 17:25:06.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
Dec 07 17:25:06.382 INFO [stderr] su: No module specific data is present
Dec 07 17:25:06.694 INFO running `"docker" "inspect" "2f8f31d3e5be1cae0ab6a513c1af4159340a46a3fdaa68b46c1d0e6a2cc3b8ea"`
Dec 07 17:25:06.771 INFO running `"docker" "rm" "-f" "2f8f31d3e5be1cae0ab6a513c1af4159340a46a3fdaa68b46c1d0e6a2cc3b8ea"`
Dec 07 17:25:06.907 INFO [stdout] 2f8f31d3e5be1cae0ab6a513c1af4159340a46a3fdaa68b46c1d0e6a2cc3b8ea
Dec 07 17:25:06.914 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 07 17:25:07.139 INFO [stdout] ce4af7ef2af3a10c62b18e3607df1fd495ff0bacc45462721696512960ecc3dd
Dec 07 17:25:07.142 INFO running `"docker" "start" "-a" "ce4af7ef2af3a10c62b18e3607df1fd495ff0bacc45462721696512960ecc3dd"`
Dec 07 17:25:07.581 INFO [stderr] usermod: no changes
Dec 07 17:25:07.628 INFO [stderr]    Compiling ethereum-bigint v0.2.9 (/source)
Dec 07 17:25:10.360 INFO [stderr] warning: type alias is never used: `H256FastMap`
Dec 07 17:25:10.360 INFO [stderr]    --> src/hash/mod.rs:541:1
Dec 07 17:25:10.360 INFO [stderr]     |
Dec 07 17:25:10.360 INFO [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Dec 07 17:25:10.360 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:25:10.360 INFO [stderr]     |
Dec 07 17:25:10.360 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 07 17:25:10.360 INFO [stderr] 
Dec 07 17:25:10.360 INFO [stderr] warning: type alias is never used: `H256FastSet`
Dec 07 17:25:10.360 INFO [stderr]    --> src/hash/mod.rs:544:1
Dec 07 17:25:10.360 INFO [stderr]     |
Dec 07 17:25:10.360 INFO [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Dec 07 17:25:10.360 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:25:10.360 INFO [stderr] 
Dec 07 17:25:10.378 INFO [stderr] error: unused arithmetic operation that must be used
Dec 07 17:25:10.378 INFO [stderr]    --> src/uint/tests.rs:334:5
Dec 07 17:25:10.379 INFO [stderr]     |
Dec 07 17:25:10.379 INFO [stderr] 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
Dec 07 17:25:10.379 INFO [stderr] 335 | |         +
Dec 07 17:25:10.379 INFO [stderr] 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
Dec 07 17:25:10.379 INFO [stderr]     | |___________________________________________________________________^
Dec 07 17:25:10.379 INFO [stderr]     |
Dec 07 17:25:10.379 INFO [stderr] note: lint level defined here
Dec 07 17:25:10.379 INFO [stderr]    --> src/lib.rs:2:29
Dec 07 17:25:10.379 INFO [stderr]     |
Dec 07 17:25:10.379 INFO [stderr] 2   |         unused_comparisons, unused_must_use,
Dec 07 17:25:10.379 INFO [stderr]     |                             ^^^^^^^^^^^^^^^
Dec 07 17:25:10.379 INFO [stderr] 
Dec 07 17:25:10.380 INFO [stderr] error: unused arithmetic operation that must be used
Dec 07 17:25:10.380 INFO [stderr]    --> src/uint/tests.rs:370:5
Dec 07 17:25:10.380 INFO [stderr]     |
Dec 07 17:25:10.380 INFO [stderr] 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
Dec 07 17:25:10.380 INFO [stderr] 371 | |         *
Dec 07 17:25:10.380 INFO [stderr] 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
Dec 07 17:25:10.380 INFO [stderr]     | |___________________________________________________________________________________________________^
Dec 07 17:25:10.380 INFO [stderr] 
Dec 07 17:25:10.380 INFO [stderr] error: unused arithmetic operation that must be used
Dec 07 17:25:10.380 INFO [stderr]    --> src/uint/tests.rs:389:5
Dec 07 17:25:10.380 INFO [stderr]     |
Dec 07 17:25:10.380 INFO [stderr] 389 | /     U256::from_str("0").unwrap()
Dec 07 17:25:10.380 INFO [stderr] 390 | |         -
Dec 07 17:25:10.380 INFO [stderr] 391 | |         U256::from_str("1").unwrap();
Dec 07 17:25:10.380 INFO [stderr]     | |____________________________________^
Dec 07 17:25:10.380 INFO [stderr] 
Dec 07 17:25:10.419 INFO [stderr] error: aborting due to 3 previous errors
Dec 07 17:25:10.419 INFO [stderr] 
Dec 07 17:25:10.433 INFO [stderr] error: Could not compile `ethereum-bigint`.
Dec 07 17:25:10.433 INFO [stderr] 
Dec 07 17:25:10.433 INFO [stderr] To learn more, run the command again with --verbose.
Dec 07 17:25:10.436 INFO [stderr] su: No module specific data is present
Dec 07 17:25:10.718 INFO running `"docker" "inspect" "ce4af7ef2af3a10c62b18e3607df1fd495ff0bacc45462721696512960ecc3dd"`
Dec 07 17:25:10.827 INFO running `"docker" "rm" "-f" "ce4af7ef2af3a10c62b18e3607df1fd495ff0bacc45462721696512960ecc3dd"`
Dec 07 17:25:10.935 INFO [stdout] ce4af7ef2af3a10c62b18e3607df1fd495ff0bacc45462721696512960ecc3dd