[INFO] fetching crate ethereum-bigint 0.2.9... [INFO] extracting crate ethereum-bigint 0.2.9 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/ethereum-bigint/0.2.9 [INFO] extracting crate ethereum-bigint 0.2.9 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ethereum-bigint/0.2.9 [INFO] validating manifest of ethereum-bigint-0.2.9 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ethereum-bigint-0.2.9 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ethereum-bigint-0.2.9 [INFO] finished frobbing ethereum-bigint-0.2.9 [INFO] frobbed toml for ethereum-bigint-0.2.9 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/ethereum-bigint/0.2.9/Cargo.toml [INFO] started frobbing ethereum-bigint-0.2.9 [INFO] finished frobbing ethereum-bigint-0.2.9 [INFO] frobbed toml for ethereum-bigint-0.2.9 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/ethereum-bigint/0.2.9/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ethereum-bigint-0.2.9 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 3dcc98b509189cb48d3c8e56dbb9de27436277ea943857bc2076e98092a4cfd0 [INFO] running `"docker" "start" "-a" "3dcc98b509189cb48d3c8e56dbb9de27436277ea943857bc2076e98092a4cfd0"` [INFO] [stderr] Compiling ethereum-rlp v0.2.3 [INFO] [stderr] Compiling ethereum-bigint v0.2.9 (/opt/crater/workdir) [INFO] [stderr] warning: type alias is never used: `H256FastMap` [INFO] [stderr] --> src/hash/mod.rs:541:1 [INFO] [stderr] | [INFO] [stderr] 541 | pub type H256FastMap = Map>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `H256FastSet` [INFO] [stderr] --> src/hash/mod.rs:544:1 [INFO] [stderr] | [INFO] [stderr] 544 | pub type H256FastSet = Set>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.68s [INFO] running `"docker" "inspect" "3dcc98b509189cb48d3c8e56dbb9de27436277ea943857bc2076e98092a4cfd0"` [INFO] running `"docker" "rm" "-f" "3dcc98b509189cb48d3c8e56dbb9de27436277ea943857bc2076e98092a4cfd0"` [INFO] [stdout] 3dcc98b509189cb48d3c8e56dbb9de27436277ea943857bc2076e98092a4cfd0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] b52662e0a108ba7f559cf00c9dd8786fd9565cebf9e6e2b0d45a30c84b0f72b2 [INFO] running `"docker" "start" "-a" "b52662e0a108ba7f559cf00c9dd8786fd9565cebf9e6e2b0d45a30c84b0f72b2"` [INFO] [stderr] Compiling ethereum-bigint v0.2.9 (/opt/crater/workdir) [INFO] [stderr] warning: type alias is never used: `H256FastMap` [INFO] [stderr] --> src/hash/mod.rs:541:1 [INFO] [stderr] | [INFO] [stderr] 541 | pub type H256FastMap = Map>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `H256FastSet` [INFO] [stderr] --> src/hash/mod.rs:544:1 [INFO] [stderr] | [INFO] [stderr] 544 | pub type H256FastSet = Set>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: unused arithmetic operation that must be used [INFO] [stderr] --> src/uint/tests.rs:334:5 [INFO] [stderr] | [INFO] [stderr] 334 | / U128::from_str("ffffffffffffffffffffffffffffffff").unwrap() [INFO] [stderr] 335 | | + [INFO] [stderr] 336 | | U128::from_str("ffffffffffffffffffffffffffffffff").unwrap(); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/lib.rs:2:29 [INFO] [stderr] | [INFO] [stderr] 2 | unused_comparisons, unused_must_use, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: unused arithmetic operation that must be used [INFO] [stderr] --> src/uint/tests.rs:370:5 [INFO] [stderr] | [INFO] [stderr] 370 | / U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap() [INFO] [stderr] 371 | | * [INFO] [stderr] 372 | | U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap(); [INFO] [stderr] | |___________________________________________________________________________________________________^ [INFO] [stderr] [INFO] [stderr] error: unused arithmetic operation that must be used [INFO] [stderr] --> src/uint/tests.rs:389:5 [INFO] [stderr] | [INFO] [stderr] 389 | / U256::from_str("0").unwrap() [INFO] [stderr] 390 | | - [INFO] [stderr] 391 | | U256::from_str("1").unwrap(); [INFO] [stderr] | |____________________________________^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `ethereum-bigint`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b52662e0a108ba7f559cf00c9dd8786fd9565cebf9e6e2b0d45a30c84b0f72b2"` [INFO] running `"docker" "rm" "-f" "b52662e0a108ba7f559cf00c9dd8786fd9565cebf9e6e2b0d45a30c84b0f72b2"` [INFO] [stdout] b52662e0a108ba7f559cf00c9dd8786fd9565cebf9e6e2b0d45a30c84b0f72b2