[INFO] fetching crate ethereum-bigint 0.2.9... [INFO] testing ethereum-bigint-0.2.9 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate ethereum-bigint 0.2.9 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate ethereum-bigint 0.2.9 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6abfc00ea00a44af01eccf47f7d84b0cf7a22bdaba9bf523e3792ae6dfbabdf [INFO] running `Command { std: "docker" "start" "-a" "a6abfc00ea00a44af01eccf47f7d84b0cf7a22bdaba9bf523e3792ae6dfbabdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6abfc00ea00a44af01eccf47f7d84b0cf7a22bdaba9bf523e3792ae6dfbabdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6abfc00ea00a44af01eccf47f7d84b0cf7a22bdaba9bf523e3792ae6dfbabdf", kill_on_drop: false }` [INFO] [stdout] a6abfc00ea00a44af01eccf47f7d84b0cf7a22bdaba9bf523e3792ae6dfbabdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d755441bd5dac11d1c52fd69da2b17d4300b71f67138eb567b05a5ce196e8cf [INFO] running `Command { std: "docker" "start" "-a" "0d755441bd5dac11d1c52fd69da2b17d4300b71f67138eb567b05a5ce196e8cf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling ethereum-hexutil v0.2.3 [INFO] [stderr] Compiling elastic-array-plus v0.9.1 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling ethereum-rlp v0.2.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling ethereum-bigint v0.2.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1183 | construct_uint!(U512, 8); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1183 | construct_uint!(U512, 8); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1184 | construct_uint!(U256, 4); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1184 | construct_uint!(U256, 4); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1185 | construct_uint!(U128, 2); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1185 | construct_uint!(U128, 2); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256FastMap` [INFO] [stdout] --> src/hash/mod.rs:541:1 [INFO] [stdout] | [INFO] [stdout] 541 | pub type H256FastMap = Map>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256FastSet` [INFO] [stdout] --> src/hash/mod.rs:544:1 [INFO] [stdout] | [INFO] [stdout] 544 | pub type H256FastSet = Set>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.86s [INFO] running `Command { std: "docker" "inspect" "0d755441bd5dac11d1c52fd69da2b17d4300b71f67138eb567b05a5ce196e8cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d755441bd5dac11d1c52fd69da2b17d4300b71f67138eb567b05a5ce196e8cf", kill_on_drop: false }` [INFO] [stdout] 0d755441bd5dac11d1c52fd69da2b17d4300b71f67138eb567b05a5ce196e8cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d7df49f25f21d36750d41845c0b97669073f0268ed8d6a1de7d33ec41c2065d [INFO] running `Command { std: "docker" "start" "-a" "4d7df49f25f21d36750d41845c0b97669073f0268ed8d6a1de7d33ec41c2065d", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1183 | construct_uint!(U512, 8); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1183 | construct_uint!(U512, 8); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1184 | construct_uint!(U256, 4); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1184 | construct_uint!(U256, 4); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1185 | construct_uint!(U128, 2); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ethereum-bigint v0.2.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1185 | construct_uint!(U128, 2); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256FastMap` [INFO] [stdout] --> src/hash/mod.rs:541:1 [INFO] [stdout] | [INFO] [stdout] 541 | pub type H256FastMap = Map>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256FastSet` [INFO] [stdout] --> src/hash/mod.rs:544:1 [INFO] [stdout] | [INFO] [stdout] 544 | pub type H256FastSet = Set>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1183 | construct_uint!(U512, 8); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1183 | construct_uint!(U512, 8); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1184 | construct_uint!(U256, 4); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1184 | construct_uint!(U256, 4); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1149:8 [INFO] [stdout] | [INFO] [stdout] 1149 | try!(write!(f, "{:x}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1185 | construct_uint!(U128, 2); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/uint/mod.rs:1166:8 [INFO] [stdout] | [INFO] [stdout] 1166 | try!(write!(f, "{:X}", nibble)); [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 1185 | construct_uint!(U128, 2); [INFO] [stdout] | ------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256FastMap` [INFO] [stdout] --> src/hash/mod.rs:541:1 [INFO] [stdout] | [INFO] [stdout] 541 | pub type H256FastMap = Map>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256FastSet` [INFO] [stdout] --> src/hash/mod.rs:544:1 [INFO] [stdout] | [INFO] [stdout] 544 | pub type H256FastSet = Set>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused arithmetic operation that must be used [INFO] [stdout] --> src/uint/tests.rs:334:5 [INFO] [stdout] | [INFO] [stdout] 334 | / U128::from_str("ffffffffffffffffffffffffffffffff").unwrap() [INFO] [stdout] 335 | | + [INFO] [stdout] 336 | | U128::from_str("ffffffffffffffffffffffffffffffff").unwrap(); [INFO] [stdout] | |___________________________________________________________________^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:29 [INFO] [stdout] | [INFO] [stdout] 2 | unused_comparisons, unused_must_use, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 334 | let _ = U128::from_str("ffffffffffffffffffffffffffffffff").unwrap() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused arithmetic operation that must be used [INFO] [stdout] --> src/uint/tests.rs:370:5 [INFO] [stdout] | [INFO] [stdout] 370 | / U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap() [INFO] [stdout] 371 | | * [INFO] [stdout] 372 | | U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap(); [INFO] [stdout] | |___________________________________________________________________________________________________^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 370 | let _ = U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused arithmetic operation that must be used [INFO] [stdout] --> src/uint/tests.rs:389:5 [INFO] [stdout] | [INFO] [stdout] 389 | / U256::from_str("0").unwrap() [INFO] [stdout] 390 | | - [INFO] [stdout] 391 | | U256::from_str("1").unwrap(); [INFO] [stdout] | |____________________________________^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 389 | let _ = U256::from_str("0").unwrap() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ethereum-bigint` due to 4 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4d7df49f25f21d36750d41845c0b97669073f0268ed8d6a1de7d33ec41c2065d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d7df49f25f21d36750d41845c0b97669073f0268ed8d6a1de7d33ec41c2065d", kill_on_drop: false }` [INFO] [stdout] 4d7df49f25f21d36750d41845c0b97669073f0268ed8d6a1de7d33ec41c2065d