Oct 13 15:34:33.220 INFO checking ethereum-bigint-0.2.9 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 15:34:33.221 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 15:34:33.743 INFO blam! 18a40a6d45b6656077f1c94a1c2120f01446faaa2744efb1a0a9761eaed9a9e2
Oct 13 15:34:33.745 INFO running `"docker" "start" "-a" "18a40a6d45b6656077f1c94a1c2120f01446faaa2744efb1a0a9761eaed9a9e2"`
Oct 13 15:34:36.191 INFO kablam! usermod: no changes
Oct 13 15:34:36.328 INFO kablam!     Checking ethereum-hexutil v0.2.3
Oct 13 15:34:37.189 INFO kablam!     Checking ethereum-rlp v0.2.3
Oct 13 15:34:38.349 INFO kablam!     Checking ethereum-bigint v0.2.9 (/source)
Oct 13 15:34:41.076 INFO kablam! warning: type alias is never used: `H256FastMap`
Oct 13 15:34:41.076 INFO kablam!    --> src/hash/mod.rs:541:1
Oct 13 15:34:41.076 INFO kablam!     |
Oct 13 15:34:41.076 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Oct 13 15:34:41.076 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:34:41.076 INFO kablam!     |
Oct 13 15:34:41.076 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 15:34:41.076 INFO kablam! 
Oct 13 15:34:41.076 INFO kablam! warning: type alias is never used: `H256FastSet`
Oct 13 15:34:41.076 INFO kablam!    --> src/hash/mod.rs:544:1
Oct 13 15:34:41.076 INFO kablam!     |
Oct 13 15:34:41.076 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Oct 13 15:34:41.076 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:34:41.076 INFO kablam! 
Oct 13 15:34:42.621 INFO kablam! warning: type alias is never used: `H256FastMap`
Oct 13 15:34:42.621 INFO kablam!    --> src/hash/mod.rs:541:1
Oct 13 15:34:42.621 INFO kablam!     |
Oct 13 15:34:42.621 INFO kablam! 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
Oct 13 15:34:42.621 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:34:42.621 INFO kablam!     |
Oct 13 15:34:42.621 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 15:34:42.621 INFO kablam! 
Oct 13 15:34:42.621 INFO kablam! warning: type alias is never used: `H256FastSet`
Oct 13 15:34:42.621 INFO kablam!    --> src/hash/mod.rs:544:1
Oct 13 15:34:42.621 INFO kablam!     |
Oct 13 15:34:42.621 INFO kablam! 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
Oct 13 15:34:42.621 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:34:42.621 INFO kablam! 
Oct 13 15:34:42.664 INFO kablam! error: unused arithmetic operation which must be used
Oct 13 15:34:42.664 INFO kablam!    --> src/uint/tests.rs:334:5
Oct 13 15:34:42.664 INFO kablam!     |
Oct 13 15:34:42.664 INFO kablam! 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
Oct 13 15:34:42.664 INFO kablam! 335 | |         +
Oct 13 15:34:42.664 INFO kablam! 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
Oct 13 15:34:42.664 INFO kablam!     | |___________________________________________________________________^
Oct 13 15:34:42.664 INFO kablam!     |
Oct 13 15:34:42.664 INFO kablam! note: lint level defined here
Oct 13 15:34:42.664 INFO kablam!    --> src/lib.rs:2:29
Oct 13 15:34:42.664 INFO kablam!     |
Oct 13 15:34:42.664 INFO kablam! 2   |         unused_comparisons, unused_must_use,
Oct 13 15:34:42.664 INFO kablam!     |                             ^^^^^^^^^^^^^^^
Oct 13 15:34:42.664 INFO kablam! 
Oct 13 15:34:42.664 INFO kablam! error: unused arithmetic operation which must be used
Oct 13 15:34:42.664 INFO kablam!    --> src/uint/tests.rs:370:5
Oct 13 15:34:42.664 INFO kablam!     |
Oct 13 15:34:42.664 INFO kablam! 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
Oct 13 15:34:42.665 INFO kablam! 371 | |         *
Oct 13 15:34:42.665 INFO kablam! 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
Oct 13 15:34:42.665 INFO kablam!     | |___________________________________________________________________________________________________^
Oct 13 15:34:42.665 INFO kablam! 
Oct 13 15:34:42.665 INFO kablam! error: unused arithmetic operation which must be used
Oct 13 15:34:42.665 INFO kablam!    --> src/uint/tests.rs:389:5
Oct 13 15:34:42.665 INFO kablam!     |
Oct 13 15:34:42.665 INFO kablam! 389 | /     U256::from_str("0").unwrap()
Oct 13 15:34:42.665 INFO kablam! 390 | |         -
Oct 13 15:34:42.665 INFO kablam! 391 | |         U256::from_str("1").unwrap();
Oct 13 15:34:42.665 INFO kablam!     | |____________________________________^
Oct 13 15:34:42.665 INFO kablam! 
Oct 13 15:34:42.768 INFO kablam! error: aborting due to 3 previous errors
Oct 13 15:34:42.768 INFO kablam! 
Oct 13 15:34:42.783 INFO kablam! error: Could not compile `ethereum-bigint`.
Oct 13 15:34:42.783 INFO kablam! 
Oct 13 15:34:42.783 INFO kablam! To learn more, run the command again with --verbose.
Oct 13 15:34:42.784 INFO kablam! su: No module specific data is present
Oct 13 15:34:43.800 INFO running `"docker" "rm" "-f" "18a40a6d45b6656077f1c94a1c2120f01446faaa2744efb1a0a9761eaed9a9e2"`
Oct 13 15:34:44.145 INFO blam! 18a40a6d45b6656077f1c94a1c2120f01446faaa2744efb1a0a9761eaed9a9e2