Aug 30 18:45:08.991 INFO checking ethereum-bigint-0.2.9 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 18:45:08.991 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 18:45:08.991 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 18:45:09.182 INFO blam! 4b76912aa063e2b50295a76375292910ce52fd420edafb7a8888f22b4e76b16c
Aug 30 18:45:09.184 INFO running `"docker" "start" "-a" "4b76912aa063e2b50295a76375292910ce52fd420edafb7a8888f22b4e76b16c"`
Aug 30 18:45:09.821 INFO kablam!     Checking ethereum-rlp v0.2.3
Aug 30 18:45:10.898 INFO kablam!     Checking ethereum-bigint v0.2.9 (file:///source)
Aug 30 18:45:15.252 INFO kablam! warning: type alias is never used: `H256FastMap`
Aug 30 18:45:15.253 INFO kablam!    --> src/hash/mod.rs:541:1
Aug 30 18:45:15.253 INFO kablam!     |
Aug 30 18:45:15.253 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Aug 30 18:45:15.253 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:45:15.253 INFO kablam!     |
Aug 30 18:45:15.253 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 30 18:45:15.253 INFO kablam! 
Aug 30 18:45:15.253 INFO kablam! warning: type alias is never used: `H256FastSet`
Aug 30 18:45:15.253 INFO kablam!    --> src/hash/mod.rs:544:1
Aug 30 18:45:15.253 INFO kablam!     |
Aug 30 18:45:15.253 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Aug 30 18:45:15.253 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:45:15.253 INFO kablam! 
Aug 30 18:45:16.651 INFO kablam! warning: type alias is never used: `H256FastMap`
Aug 30 18:45:16.651 INFO kablam!    --> src/hash/mod.rs:541:1
Aug 30 18:45:16.651 INFO kablam!     |
Aug 30 18:45:16.651 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Aug 30 18:45:16.651 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:45:16.651 INFO kablam!     |
Aug 30 18:45:16.651 INFO kablam!     = note: #[warn(dead_code)] on by default
Aug 30 18:45:16.651 INFO kablam! 
Aug 30 18:45:16.651 INFO kablam! warning: type alias is never used: `H256FastSet`
Aug 30 18:45:16.651 INFO kablam!    --> src/hash/mod.rs:544:1
Aug 30 18:45:16.651 INFO kablam!     |
Aug 30 18:45:16.651 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Aug 30 18:45:16.651 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:45:16.652 INFO kablam! 
Aug 30 18:45:16.678 INFO kablam! error: unused arithmetic operation which must be used
Aug 30 18:45:16.678 INFO kablam!    --> src/uint/tests.rs:334:5
Aug 30 18:45:16.678 INFO kablam!     |
Aug 30 18:45:16.678 INFO kablam! 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
Aug 30 18:45:16.678 INFO kablam! 335 | |         +
Aug 30 18:45:16.678 INFO kablam! 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
Aug 30 18:45:16.678 INFO kablam!     | |___________________________________________________________________^
Aug 30 18:45:16.678 INFO kablam!     |
Aug 30 18:45:16.678 INFO kablam! note: lint level defined here
Aug 30 18:45:16.678 INFO kablam!    --> src/lib.rs:2:29
Aug 30 18:45:16.678 INFO kablam!     |
Aug 30 18:45:16.678 INFO kablam! 2   |         unused_comparisons, unused_must_use,
Aug 30 18:45:16.678 INFO kablam!     |                             ^^^^^^^^^^^^^^^
Aug 30 18:45:16.678 INFO kablam! 
Aug 30 18:45:16.678 INFO kablam! error: unused arithmetic operation which must be used
Aug 30 18:45:16.678 INFO kablam!    --> src/uint/tests.rs:370:5
Aug 30 18:45:16.678 INFO kablam!     |
Aug 30 18:45:16.678 INFO kablam! 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
Aug 30 18:45:16.679 INFO kablam! 371 | |         *
Aug 30 18:45:16.679 INFO kablam! 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
Aug 30 18:45:16.679 INFO kablam!     | |___________________________________________________________________________________________________^
Aug 30 18:45:16.679 INFO kablam! 
Aug 30 18:45:16.679 INFO kablam! error: unused arithmetic operation which must be used
Aug 30 18:45:16.679 INFO kablam!    --> src/uint/tests.rs:389:5
Aug 30 18:45:16.679 INFO kablam!     |
Aug 30 18:45:16.679 INFO kablam! 389 | /     U256::from_str("0").unwrap()
Aug 30 18:45:16.679 INFO kablam! 390 | |         -
Aug 30 18:45:16.679 INFO kablam! 391 | |         U256::from_str("1").unwrap();
Aug 30 18:45:16.679 INFO kablam!     | |____________________________________^
Aug 30 18:45:16.679 INFO kablam! 
Aug 30 18:45:16.758 INFO kablam! error: aborting due to 3 previous errors
Aug 30 18:45:16.758 INFO kablam! 
Aug 30 18:45:16.766 INFO kablam! error: Could not compile `ethereum-bigint`.
Aug 30 18:45:16.766 INFO kablam! 
Aug 30 18:45:16.766 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 18:45:16.768 INFO kablam! su: No module specific data is present
Aug 30 18:45:17.212 INFO running `"docker" "rm" "-f" "4b76912aa063e2b50295a76375292910ce52fd420edafb7a8888f22b4e76b16c"`
Aug 30 18:45:17.313 INFO blam! 4b76912aa063e2b50295a76375292910ce52fd420edafb7a8888f22b4e76b16c