[INFO] fetching crate ark-ff 0.4.2...
[INFO] checking ark-ff-0.4.2 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ark-ff 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ark-ff 0.4.2 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ff 0.4.2
[INFO] finished tweaking crates.io crate ark-ff 0.4.2
[INFO] tweaked toml for crates.io crate ark-ff 0.4.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.5)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding libtest-mimic v0.6.1 (latest: v0.7.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.5.0
[INFO] [stderr]   Downloaded clap v4.5.4
[INFO] [stderr]   Downloaded anstream v0.6.13
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded ark-test-curves v0.4.2
[INFO] [stderr]   Downloaded anstyle-parse v0.2.3
[INFO] [stderr]   Downloaded anstyle-query v1.0.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.2
[INFO] [stderr]   Downloaded clap_builder v4.5.2
[INFO] [stderr]   Downloaded libtest-mimic v0.6.1
[INFO] [stderr]   Downloaded strsim v0.11.1
[INFO] [stderr]   Downloaded clap_derive v4.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e290a94eed6ce168445e3754f6ab2dc56bd3fbd42653ea8f4da4235d302bd5a9
[INFO] running `Command { std: "docker" "start" "-a" "e290a94eed6ce168445e3754f6ab2dc56bd3fbd42653ea8f4da4235d302bd5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e290a94eed6ce168445e3754f6ab2dc56bd3fbd42653ea8f4da4235d302bd5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e290a94eed6ce168445e3754f6ab2dc56bd3fbd42653ea8f4da4235d302bd5a9", kill_on_drop: false }`
[INFO] [stdout] e290a94eed6ce168445e3754f6ab2dc56bd3fbd42653ea8f4da4235d302bd5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57042612ff2fc1e02df466c6bdd5b301e49650002382c66b5148e8c35c827043
[INFO] running `Command { std: "docker" "start" "-a" "57042612ff2fc1e02df466c6bdd5b301e49650002382c66b5148e8c35c827043", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking libtest-mimic v0.6.1
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking ark-ff v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::biginteger::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `arithmetic` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub use self::fields::*;
[INFO] [stdout]    |         --------------- but the name `arithmetic` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stdout] warning: struct `ExpanderXof` is never constructed
[INFO] [stdout]   --> src/fields/field_hashers/expander/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct ExpanderXof<T: Update + Clone + ExtendableOutput> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-test-curves v0.4.2
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::biginteger::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `arithmetic` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub use self::fields::*;
[INFO] [stdout]    |         --------------- but the name `arithmetic` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpanderXof` is never constructed
[INFO] [stdout]   --> src/fields/field_hashers/expander/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct ExpanderXof<T: Update + Clone + ExtendableOutput> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "57042612ff2fc1e02df466c6bdd5b301e49650002382c66b5148e8c35c827043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57042612ff2fc1e02df466c6bdd5b301e49650002382c66b5148e8c35c827043", kill_on_drop: false }`
[INFO] [stdout] 57042612ff2fc1e02df466c6bdd5b301e49650002382c66b5148e8c35c827043
[INFO] checking ark-ff-0.4.2 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate ark-ff 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ark-ff 0.4.2 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ff 0.4.2
[INFO] finished tweaking crates.io crate ark-ff 0.4.2
[INFO] tweaked toml for crates.io crate ark-ff 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.5)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding libtest-mimic v0.6.1 (latest: v0.7.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f03a0023c2bf4dff98acb680313114e8fb1836034f723b19a3d9249af6213c5
[INFO] running `Command { std: "docker" "start" "-a" "4f03a0023c2bf4dff98acb680313114e8fb1836034f723b19a3d9249af6213c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f03a0023c2bf4dff98acb680313114e8fb1836034f723b19a3d9249af6213c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f03a0023c2bf4dff98acb680313114e8fb1836034f723b19a3d9249af6213c5", kill_on_drop: false }`
[INFO] [stdout] 4f03a0023c2bf4dff98acb680313114e8fb1836034f723b19a3d9249af6213c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5550ed96dc8f2194131bd9f7d30d6911ad8be2fb3fa458b4b6a124e8b1066737
[INFO] running `Command { std: "docker" "start" "-a" "5550ed96dc8f2194131bd9f7d30d6911ad8be2fb3fa458b4b6a124e8b1066737", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking ark-ff v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking libtest-mimic v0.6.1
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::biginteger::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `arithmetic` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub use self::fields::*;
[INFO] [stdout]    |         --------------- but the name `arithmetic` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpanderXof` is never constructed
[INFO] [stdout]   --> src/fields/field_hashers/expander/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct ExpanderXof<T: Update + Clone + ExtendableOutput> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-test-curves v0.4.2
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::biginteger::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `arithmetic` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub use self::fields::*;
[INFO] [stdout]    |         --------------- but the name `arithmetic` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpanderXof` is never constructed
[INFO] [stdout]   --> src/fields/field_hashers/expander/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct ExpanderXof<T: Update + Clone + ExtendableOutput> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "5550ed96dc8f2194131bd9f7d30d6911ad8be2fb3fa458b4b6a124e8b1066737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5550ed96dc8f2194131bd9f7d30d6911ad8be2fb3fa458b4b6a124e8b1066737", kill_on_drop: false }`
[INFO] [stdout] 5550ed96dc8f2194131bd9f7d30d6911ad8be2fb3fa458b4b6a124e8b1066737
