Dec 18 16:41:02.069 INFO checking ethereum-bigint-0.2.9 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 16:41:02.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/ethereum-bigint/0.2.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 16:41:02.500 INFO [stdout] 5ab7e94c38d88f03eb7474f969d66ee44d96ea63ba087c70c4d97d25febadfa1 Dec 18 16:41:02.506 INFO running `"docker" "start" "-a" "5ab7e94c38d88f03eb7474f969d66ee44d96ea63ba087c70c4d97d25febadfa1"` Dec 18 16:41:04.090 INFO [stderr] Checking ethereum-hexutil v0.2.3 Dec 18 16:41:04.562 INFO [stderr] Checking ethereum-rlp v0.2.3 Dec 18 16:41:05.330 INFO [stderr] Checking ethereum-bigint v0.2.9 (/opt/crater/workdir) Dec 18 16:41:07.896 INFO [stderr] warning: type alias is never used: `H256FastMap` Dec 18 16:41:07.896 INFO [stderr] --> src/hash/mod.rs:541:1 Dec 18 16:41:07.896 INFO [stderr] | Dec 18 16:41:07.896 INFO [stderr] 541 | pub type H256FastMap = Map>; Dec 18 16:41:07.896 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:07.896 INFO [stderr] | Dec 18 16:41:07.896 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 16:41:07.896 INFO [stderr] Dec 18 16:41:07.896 INFO [stderr] warning: type alias is never used: `H256FastSet` Dec 18 16:41:07.896 INFO [stderr] --> src/hash/mod.rs:544:1 Dec 18 16:41:07.896 INFO [stderr] | Dec 18 16:41:07.896 INFO [stderr] 544 | pub type H256FastSet = Set>; Dec 18 16:41:07.896 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:07.896 INFO [stderr] Dec 18 16:41:09.269 INFO [stderr] warning: type alias is never used: `H256FastMap` Dec 18 16:41:09.269 INFO [stderr] --> src/hash/mod.rs:541:1 Dec 18 16:41:09.269 INFO [stderr] | Dec 18 16:41:09.269 INFO [stderr] 541 | pub type H256FastMap = Map>; Dec 18 16:41:09.269 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:09.269 INFO [stderr] | Dec 18 16:41:09.269 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 16:41:09.269 INFO [stderr] Dec 18 16:41:09.269 INFO [stderr] warning: type alias is never used: `H256FastSet` Dec 18 16:41:09.269 INFO [stderr] --> src/hash/mod.rs:544:1 Dec 18 16:41:09.269 INFO [stderr] | Dec 18 16:41:09.269 INFO [stderr] 544 | pub type H256FastSet = Set>; Dec 18 16:41:09.269 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:09.269 INFO [stderr] Dec 18 16:41:09.285 INFO [stderr] error: unused arithmetic operation that must be used Dec 18 16:41:09.285 INFO [stderr] --> src/uint/tests.rs:334:5 Dec 18 16:41:09.285 INFO [stderr] | Dec 18 16:41:09.285 INFO [stderr] 334 | / U128::from_str("ffffffffffffffffffffffffffffffff").unwrap() Dec 18 16:41:09.285 INFO [stderr] 335 | | + Dec 18 16:41:09.285 INFO [stderr] 336 | | U128::from_str("ffffffffffffffffffffffffffffffff").unwrap(); Dec 18 16:41:09.285 INFO [stderr] | |___________________________________________________________________^ Dec 18 16:41:09.285 INFO [stderr] | Dec 18 16:41:09.285 INFO [stderr] note: lint level defined here Dec 18 16:41:09.285 INFO [stderr] --> src/lib.rs:2:29 Dec 18 16:41:09.285 INFO [stderr] | Dec 18 16:41:09.285 INFO [stderr] 2 | unused_comparisons, unused_must_use, Dec 18 16:41:09.285 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 18 16:41:09.285 INFO [stderr] Dec 18 16:41:09.285 INFO [stderr] error: unused arithmetic operation that must be used Dec 18 16:41:09.285 INFO [stderr] --> src/uint/tests.rs:370:5 Dec 18 16:41:09.285 INFO [stderr] | Dec 18 16:41:09.285 INFO [stderr] 370 | / U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap() Dec 18 16:41:09.285 INFO [stderr] 371 | | * Dec 18 16:41:09.285 INFO [stderr] 372 | | U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap(); Dec 18 16:41:09.285 INFO [stderr] | |___________________________________________________________________________________________________^ Dec 18 16:41:09.285 INFO [stderr] Dec 18 16:41:09.285 INFO [stderr] error: unused arithmetic operation that must be used Dec 18 16:41:09.285 INFO [stderr] --> src/uint/tests.rs:389:5 Dec 18 16:41:09.285 INFO [stderr] | Dec 18 16:41:09.285 INFO [stderr] 389 | / U256::from_str("0").unwrap() Dec 18 16:41:09.285 INFO [stderr] 390 | | - Dec 18 16:41:09.285 INFO [stderr] 391 | | U256::from_str("1").unwrap(); Dec 18 16:41:09.285 INFO [stderr] | |____________________________________^ Dec 18 16:41:09.285 INFO [stderr] Dec 18 16:41:09.324 INFO [stderr] error: aborting due to 3 previous errors Dec 18 16:41:09.324 INFO [stderr] Dec 18 16:41:09.342 INFO [stderr] error: Could not compile `ethereum-bigint`. Dec 18 16:41:09.342 INFO [stderr] Dec 18 16:41:09.342 INFO [stderr] To learn more, run the command again with --verbose. Dec 18 16:41:10.200 INFO running `"docker" "inspect" "5ab7e94c38d88f03eb7474f969d66ee44d96ea63ba087c70c4d97d25febadfa1"` Dec 18 16:41:10.509 INFO running `"docker" "rm" "-f" "5ab7e94c38d88f03eb7474f969d66ee44d96ea63ba087c70c4d97d25febadfa1"` Dec 18 16:41:10.880 INFO [stdout] 5ab7e94c38d88f03eb7474f969d66ee44d96ea63ba087c70c4d97d25febadfa1