Sep 02 15:07:31.042 INFO checking ethereum-bigint-0.2.9 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 15:07:31.042 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 15:07:31.042 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 15:07:31.201 INFO blam! 59b52df95e91abd1953392860e8c8d20daec9b4be027cd13855b826df921d674
Sep 02 15:07:31.202 INFO running `"docker" "start" "-a" "59b52df95e91abd1953392860e8c8d20daec9b4be027cd13855b826df921d674"`
Sep 02 15:07:31.856 INFO kablam!     Checking ethereum-rlp v0.2.3
Sep 02 15:07:33.218 INFO kablam!     Checking ethereum-bigint v0.2.9 (file:///source)
Sep 02 15:07:37.550 INFO kablam! warning: type alias is never used: `H256FastMap`
Sep 02 15:07:37.550 INFO kablam!    --> src/hash/mod.rs:541:1
Sep 02 15:07:37.550 INFO kablam!     |
Sep 02 15:07:37.550 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Sep 02 15:07:37.550 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:07:37.550 INFO kablam!     |
Sep 02 15:07:37.550 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 02 15:07:37.551 INFO kablam! 
Sep 02 15:07:37.551 INFO kablam! warning: type alias is never used: `H256FastSet`
Sep 02 15:07:37.551 INFO kablam!    --> src/hash/mod.rs:544:1
Sep 02 15:07:37.551 INFO kablam!     |
Sep 02 15:07:37.551 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Sep 02 15:07:37.551 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:07:37.551 INFO kablam! 
Sep 02 15:07:37.974 INFO kablam! warning: type alias is never used: `H256FastMap`
Sep 02 15:07:37.974 INFO kablam!    --> src/hash/mod.rs:541:1
Sep 02 15:07:37.974 INFO kablam!     |
Sep 02 15:07:37.975 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Sep 02 15:07:37.975 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:07:37.975 INFO kablam!     |
Sep 02 15:07:37.975 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 02 15:07:37.975 INFO kablam! 
Sep 02 15:07:37.975 INFO kablam! warning: type alias is never used: `H256FastSet`
Sep 02 15:07:37.975 INFO kablam!    --> src/hash/mod.rs:544:1
Sep 02 15:07:37.975 INFO kablam!     |
Sep 02 15:07:37.975 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Sep 02 15:07:37.975 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:07:37.975 INFO kablam! 
Sep 02 15:07:38.001 INFO kablam! error: unused arithmetic operation which must be used
Sep 02 15:07:38.001 INFO kablam!    --> src/uint/tests.rs:334:5
Sep 02 15:07:38.001 INFO kablam!     |
Sep 02 15:07:38.001 INFO kablam! 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
Sep 02 15:07:38.001 INFO kablam! 335 | |         +
Sep 02 15:07:38.001 INFO kablam! 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
Sep 02 15:07:38.002 INFO kablam!     | |___________________________________________________________________^
Sep 02 15:07:38.002 INFO kablam!     |
Sep 02 15:07:38.002 INFO kablam! note: lint level defined here
Sep 02 15:07:38.002 INFO kablam!    --> src/lib.rs:2:29
Sep 02 15:07:38.002 INFO kablam!     |
Sep 02 15:07:38.002 INFO kablam! 2   |         unused_comparisons, unused_must_use,
Sep 02 15:07:38.002 INFO kablam!     |                             ^^^^^^^^^^^^^^^
Sep 02 15:07:38.002 INFO kablam! 
Sep 02 15:07:38.002 INFO kablam! error: unused arithmetic operation which must be used
Sep 02 15:07:38.002 INFO kablam!    --> src/uint/tests.rs:370:5
Sep 02 15:07:38.002 INFO kablam!     |
Sep 02 15:07:38.002 INFO kablam! 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
Sep 02 15:07:38.002 INFO kablam! 371 | |         *
Sep 02 15:07:38.002 INFO kablam! 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
Sep 02 15:07:38.002 INFO kablam!     | |___________________________________________________________________________________________________^
Sep 02 15:07:38.002 INFO kablam! 
Sep 02 15:07:38.002 INFO kablam! error: unused arithmetic operation which must be used
Sep 02 15:07:38.002 INFO kablam!    --> src/uint/tests.rs:389:5
Sep 02 15:07:38.003 INFO kablam!     |
Sep 02 15:07:38.003 INFO kablam! 389 | /     U256::from_str("0").unwrap()
Sep 02 15:07:38.003 INFO kablam! 390 | |         -
Sep 02 15:07:38.003 INFO kablam! 391 | |         U256::from_str("1").unwrap();
Sep 02 15:07:38.003 INFO kablam!     | |____________________________________^
Sep 02 15:07:38.003 INFO kablam! 
Sep 02 15:07:38.081 INFO kablam! error: aborting due to 3 previous errors
Sep 02 15:07:38.081 INFO kablam! 
Sep 02 15:07:38.090 INFO kablam! error: Could not compile `ethereum-bigint`.
Sep 02 15:07:38.090 INFO kablam! 
Sep 02 15:07:38.090 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 15:07:38.091 INFO kablam! su: No module specific data is present
Sep 02 15:07:38.499 INFO running `"docker" "rm" "-f" "59b52df95e91abd1953392860e8c8d20daec9b4be027cd13855b826df921d674"`
Sep 02 15:07:38.618 INFO blam! 59b52df95e91abd1953392860e8c8d20daec9b4be027cd13855b826df921d674