Dec 12 15:20:15.747 INFO checking ethereum-bigint-0.2.9 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677 Dec 12 15:20:15.747 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"` Dec 12 15:20:16.187 INFO [stdout] 874b6fc51d302ae294c6fc3f102f83830c9a8c9536aa578c85ebf461d5aa739b Dec 12 15:20:16.189 INFO running `"docker" "start" "-a" "874b6fc51d302ae294c6fc3f102f83830c9a8c9536aa578c85ebf461d5aa739b"` Dec 12 15:20:17.592 INFO [stderr] usermod: no changes Dec 12 15:20:17.696 INFO [stderr] Checking ethereum-hexutil v0.2.3 Dec 12 15:20:18.377 INFO [stderr] Checking ethereum-rlp v0.2.3 Dec 12 15:20:19.454 INFO [stderr] Checking ethereum-bigint v0.2.9 (/source) Dec 12 15:20:22.432 INFO [stderr] warning: type alias is never used: `H256FastMap` Dec 12 15:20:22.432 INFO [stderr] --> src/hash/mod.rs:541:1 Dec 12 15:20:22.432 INFO [stderr] | Dec 12 15:20:22.432 INFO [stderr] 541 | pub type H256FastMap = Map>; Dec 12 15:20:22.432 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:22.432 INFO [stderr] | Dec 12 15:20:22.432 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 15:20:22.432 INFO [stderr] Dec 12 15:20:22.432 INFO [stderr] warning: type alias is never used: `H256FastSet` Dec 12 15:20:22.432 INFO [stderr] --> src/hash/mod.rs:544:1 Dec 12 15:20:22.432 INFO [stderr] | Dec 12 15:20:22.432 INFO [stderr] 544 | pub type H256FastSet = Set>; Dec 12 15:20:22.432 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:22.432 INFO [stderr] Dec 12 15:20:23.468 INFO [stderr] warning: type alias is never used: `H256FastMap` Dec 12 15:20:23.468 INFO [stderr] --> src/hash/mod.rs:541:1 Dec 12 15:20:23.468 INFO [stderr] | Dec 12 15:20:23.468 INFO [stderr] 541 | pub type H256FastMap = Map>; Dec 12 15:20:23.468 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:23.468 INFO [stderr] | Dec 12 15:20:23.468 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 15:20:23.468 INFO [stderr] Dec 12 15:20:23.468 INFO [stderr] warning: type alias is never used: `H256FastSet` Dec 12 15:20:23.468 INFO [stderr] --> src/hash/mod.rs:544:1 Dec 12 15:20:23.468 INFO [stderr] | Dec 12 15:20:23.468 INFO [stderr] 544 | pub type H256FastSet = Set>; Dec 12 15:20:23.468 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:23.468 INFO [stderr] Dec 12 15:20:23.476 INFO [stderr] error: unused arithmetic operation that must be used Dec 12 15:20:23.476 INFO [stderr] --> src/uint/tests.rs:334:5 Dec 12 15:20:23.476 INFO [stderr] | Dec 12 15:20:23.476 INFO [stderr] 334 | / U128::from_str("ffffffffffffffffffffffffffffffff").unwrap() Dec 12 15:20:23.476 INFO [stderr] 335 | | + Dec 12 15:20:23.476 INFO [stderr] 336 | | U128::from_str("ffffffffffffffffffffffffffffffff").unwrap(); Dec 12 15:20:23.476 INFO [stderr] | |___________________________________________________________________^ Dec 12 15:20:23.476 INFO [stderr] | Dec 12 15:20:23.476 INFO [stderr] note: lint level defined here Dec 12 15:20:23.476 INFO [stderr] --> src/lib.rs:2:29 Dec 12 15:20:23.476 INFO [stderr] | Dec 12 15:20:23.476 INFO [stderr] 2 | unused_comparisons, unused_must_use, Dec 12 15:20:23.476 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 12 15:20:23.476 INFO [stderr] Dec 12 15:20:23.476 INFO [stderr] error: unused arithmetic operation that must be used Dec 12 15:20:23.476 INFO [stderr] --> src/uint/tests.rs:370:5 Dec 12 15:20:23.476 INFO [stderr] | Dec 12 15:20:23.476 INFO [stderr] 370 | / U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap() Dec 12 15:20:23.476 INFO [stderr] 371 | | * Dec 12 15:20:23.476 INFO [stderr] 372 | | U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap(); Dec 12 15:20:23.476 INFO [stderr] | |___________________________________________________________________________________________________^ Dec 12 15:20:23.476 INFO [stderr] Dec 12 15:20:23.476 INFO [stderr] error: unused arithmetic operation that must be used Dec 12 15:20:23.476 INFO [stderr] --> src/uint/tests.rs:389:5 Dec 12 15:20:23.476 INFO [stderr] | Dec 12 15:20:23.476 INFO [stderr] 389 | / U256::from_str("0").unwrap() Dec 12 15:20:23.476 INFO [stderr] 390 | | - Dec 12 15:20:23.476 INFO [stderr] 391 | | U256::from_str("1").unwrap(); Dec 12 15:20:23.476 INFO [stderr] | |____________________________________^ Dec 12 15:20:23.476 INFO [stderr] Dec 12 15:20:23.521 INFO [stderr] error: aborting due to 3 previous errors Dec 12 15:20:23.521 INFO [stderr] Dec 12 15:20:23.534 INFO [stderr] error: Could not compile `ethereum-bigint`. Dec 12 15:20:23.534 INFO [stderr] Dec 12 15:20:23.534 INFO [stderr] To learn more, run the command again with --verbose. Dec 12 15:20:23.535 INFO [stderr] su: No module specific data is present Dec 12 15:20:24.176 INFO running `"docker" "inspect" "874b6fc51d302ae294c6fc3f102f83830c9a8c9536aa578c85ebf461d5aa739b"` Dec 12 15:20:24.430 INFO running `"docker" "rm" "-f" "874b6fc51d302ae294c6fc3f102f83830c9a8c9536aa578c85ebf461d5aa739b"` Dec 12 15:20:24.764 INFO [stdout] 874b6fc51d302ae294c6fc3f102f83830c9a8c9536aa578c85ebf461d5aa739b