Aug 02 10:38:47.801 INFO checking ethereum-bigint-0.2.9 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:38:47.801 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:38:47.801 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:38:47.801 INFO running `"docker" "create" "-v" "/tmp/crater.JvNjDfgdYzLR:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 10:38:48.034 INFO blam! 3c8707e8a88b5dcbda2ec617f022dea119a5559e52144a86b673cb7c5560edbb
Aug 02 10:38:48.037 INFO running `"docker" "start" "-a" "3c8707e8a88b5dcbda2ec617f022dea119a5559e52144a86b673cb7c5560edbb"`
Aug 02 10:38:49.099 INFO kablam!     Checking ethereum-rlp v0.2.3
Aug 02 10:38:50.447 INFO kablam!     Checking ethereum-bigint v0.2.9 (file:///source)
Aug 02 10:38:55.499 INFO kablam! warning: type alias is never used: `H256FastMap`
Aug 02 10:38:55.499 INFO kablam!    --> src/hash/mod.rs:541:1
Aug 02 10:38:55.499 INFO kablam!     |
Aug 02 10:38:55.499 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Aug 02 10:38:55.499 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:38:55.499 INFO kablam!     |
Aug 02 10:38:55.500 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 02 10:38:55.500 INFO kablam! 
Aug 02 10:38:55.501 INFO kablam! warning: type alias is never used: `H256FastSet`
Aug 02 10:38:55.501 INFO kablam!    --> src/hash/mod.rs:544:1
Aug 02 10:38:55.501 INFO kablam!     |
Aug 02 10:38:55.501 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Aug 02 10:38:55.501 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:38:55.501 INFO kablam! 
Aug 02 10:38:58.866 INFO kablam! warning: type alias is never used: `H256FastMap`
Aug 02 10:38:58.867 INFO kablam!    --> src/hash/mod.rs:541:1
Aug 02 10:38:58.867 INFO kablam!     |
Aug 02 10:38:58.867 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Aug 02 10:38:58.867 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:38:58.867 INFO kablam!     |
Aug 02 10:38:58.867 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 02 10:38:58.867 INFO kablam! 
Aug 02 10:38:58.867 INFO kablam! warning: type alias is never used: `H256FastSet`
Aug 02 10:38:58.867 INFO kablam!    --> src/hash/mod.rs:544:1
Aug 02 10:38:58.867 INFO kablam!     |
Aug 02 10:38:58.867 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Aug 02 10:38:58.868 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:38:58.868 INFO kablam! 
Aug 02 10:38:58.971 INFO kablam! error: unused arithmetic operation which must be used
Aug 02 10:38:58.971 INFO kablam!    --> src/uint/tests.rs:334:5
Aug 02 10:38:58.971 INFO kablam!     |
Aug 02 10:38:58.971 INFO kablam! 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
Aug 02 10:38:58.971 INFO kablam! 335 | |         +
Aug 02 10:38:58.971 INFO kablam! 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
Aug 02 10:38:58.971 INFO kablam!     | |___________________________________________________________________^
Aug 02 10:38:58.971 INFO kablam!     |
Aug 02 10:38:58.971 INFO kablam! note: lint level defined here
Aug 02 10:38:58.972 INFO kablam!    --> src/lib.rs:2:29
Aug 02 10:38:58.972 INFO kablam!     |
Aug 02 10:38:58.972 INFO kablam! 2   |         unused_comparisons, unused_must_use,
Aug 02 10:38:58.972 INFO kablam!     |                             ^^^^^^^^^^^^^^^
Aug 02 10:38:58.972 INFO kablam! 
Aug 02 10:38:58.972 INFO kablam! error: unused arithmetic operation which must be used
Aug 02 10:38:58.972 INFO kablam!    --> src/uint/tests.rs:370:5
Aug 02 10:38:58.972 INFO kablam!     |
Aug 02 10:38:58.972 INFO kablam! 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
Aug 02 10:38:58.972 INFO kablam! 371 | |         *
Aug 02 10:38:58.972 INFO kablam! 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
Aug 02 10:38:58.972 INFO kablam!     | |___________________________________________________________________________________________________^
Aug 02 10:38:58.972 INFO kablam! 
Aug 02 10:38:58.972 INFO kablam! error: unused arithmetic operation which must be used
Aug 02 10:38:58.972 INFO kablam!    --> src/uint/tests.rs:389:5
Aug 02 10:38:58.972 INFO kablam!     |
Aug 02 10:38:58.972 INFO kablam! 389 | /     U256::from_str("0").unwrap()
Aug 02 10:38:58.972 INFO kablam! 390 | |         -
Aug 02 10:38:58.972 INFO kablam! 391 | |         U256::from_str("1").unwrap();
Aug 02 10:38:58.972 INFO kablam!     | |____________________________________^
Aug 02 10:38:58.972 INFO kablam! 
Aug 02 10:38:59.141 INFO kablam! error: aborting due to 3 previous errors
Aug 02 10:38:59.141 INFO kablam! 
Aug 02 10:38:59.170 INFO kablam! error: Could not compile `ethereum-bigint`.
Aug 02 10:38:59.170 INFO kablam! 
Aug 02 10:38:59.170 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:38:59.172 INFO kablam! su: No module specific data is present
Aug 02 10:39:00.135 INFO running `"docker" "rm" "-f" "3c8707e8a88b5dcbda2ec617f022dea119a5559e52144a86b673cb7c5560edbb"`
Aug 02 10:39:00.327 INFO blam! 3c8707e8a88b5dcbda2ec617f022dea119a5559e52144a86b673cb7c5560edbb