[INFO] fetching crate ethereum-bigint 0.2.9... [INFO] checking ethereum-bigint-0.2.9 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate ethereum-bigint 0.2.9 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate ethereum-bigint 0.2.9 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ethereum-bigint 0.2.9 [INFO] finished tweaking crates.io crate ethereum-bigint 0.2.9 [INFO] tweaked toml for crates.io crate ethereum-bigint 0.2.9 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 33608ccd52e03f132b3fdc2eb09728b931b20a9abbfc59d4931c294a11df4482 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "33608ccd52e03f132b3fdc2eb09728b931b20a9abbfc59d4931c294a11df4482"` [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking ethereum-rlp v0.2.3 [INFO] [stderr] Checking ethereum-bigint v0.2.9 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1149:8 [INFO] [stderr] | [INFO] [stderr] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1183 | construct_uint!(U512, 8); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1166:8 [INFO] [stderr] | [INFO] [stderr] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1183 | construct_uint!(U512, 8); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1149:8 [INFO] [stderr] | [INFO] [stderr] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1184 | construct_uint!(U256, 4); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1166:8 [INFO] [stderr] | [INFO] [stderr] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1184 | construct_uint!(U256, 4); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1149:8 [INFO] [stderr] | [INFO] [stderr] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1185 | construct_uint!(U128, 2); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1166:8 [INFO] [stderr] | [INFO] [stderr] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1185 | construct_uint!(U128, 2); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1149:8 [INFO] [stderr] | [INFO] [stderr] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1183 | construct_uint!(U512, 8); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1166:8 [INFO] [stderr] | [INFO] [stderr] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1183 | construct_uint!(U512, 8); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1149:8 [INFO] [stderr] | [INFO] [stderr] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1184 | construct_uint!(U256, 4); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1166:8 [INFO] [stderr] | [INFO] [stderr] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1184 | construct_uint!(U256, 4); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1149:8 [INFO] [stderr] | [INFO] [stderr] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1185 | construct_uint!(U128, 2); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/uint/mod.rs:1166:8 [INFO] [stderr] | [INFO] [stderr] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 1185 | construct_uint!(U128, 2); [INFO] [stderr] | ------------------------- in this macro invocation [INFO] [stderr] [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] 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" "33608ccd52e03f132b3fdc2eb09728b931b20a9abbfc59d4931c294a11df4482"` [INFO] running `"docker" "rm" "-f" "33608ccd52e03f132b3fdc2eb09728b931b20a9abbfc59d4931c294a11df4482"` [INFO] [stdout] 33608ccd52e03f132b3fdc2eb09728b931b20a9abbfc59d4931c294a11df4482