[INFO] fetching crate spartan2 0.4.0...
[INFO] building spartan2-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate spartan2 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate spartan2 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate spartan2 0.4.0
[INFO] tweaked toml for crates.io crate spartan2 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spartan2 0.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spartan2 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff v0.13.1
[INFO] [stderr]   Downloaded ff_derive v0.13.1
[INFO] [stderr]   Downloaded pairing v0.23.0
[INFO] [stderr]   Downloaded windows-targets v0.53.2
[INFO] [stderr]   Downloaded serde_arrays v0.2.0
[INFO] [stderr]   Downloaded plonky2_maybe_rayon v1.0.0
[INFO] [stderr]   Downloaded addchain v0.2.0
[INFO] [stderr]   Downloaded bellpepper v0.4.1
[INFO] [stderr]   Downloaded halo2derive v0.2.0
[INFO] [stderr]   Downloaded blake2s_simd v1.0.3
[INFO] [stderr]   Downloaded bellpepper-core v0.4.0
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[INFO] [stderr]   Downloaded num-bigint v0.3.3
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[INFO] [stderr]   Downloaded rustix v1.0.7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b302f3d8f83543164d97275d21aec297c39ec058f2291114aff8f121146c60dc
[INFO] running `Command { std: "docker" "start" "-a" "b302f3d8f83543164d97275d21aec297c39ec058f2291114aff8f121146c60dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b302f3d8f83543164d97275d21aec297c39ec058f2291114aff8f121146c60dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b302f3d8f83543164d97275d21aec297c39ec058f2291114aff8f121146c60dc", kill_on_drop: false }`
[INFO] [stdout] b302f3d8f83543164d97275d21aec297c39ec058f2291114aff8f121146c60dc
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3feda4704860b04ccc50b53deb2eea7d8ea5c9497181eb10af26bff481eead11
[INFO] running `Command { std: "docker" "start" "-a" "3feda4704860b04ccc50b53deb2eea7d8ea5c9497181eb10af26bff481eead11", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ff_derive v0.13.1
[INFO] [stderr]    Compiling halo2derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bellpepper-core v0.4.0
[INFO] [stderr]    Compiling serde_arrays v0.2.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling bellpepper v0.4.1
[INFO] [stderr]    Compiling spartan2 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `crate::zip_with_for_each`
[INFO] [stdout]  --> src/polys/eq.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::zip_with_for_each;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   unused,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `zip_with_for_each` and `zip_with`
[INFO] [stdout]  --> src/polys/multilinear.rs:5:62
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{math::Math, polys::eq::EqPolynomial, start_span, zip_with, zip_with_for_each};
[INFO] [stdout]   |                                                              ^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/polys/multilinear.rs:155:16
[INFO] [stdout]     |
[INFO] [stdout] 155 |       .map(|i| (Scalar::ONE - r[i]))
[INFO] [stdout]     |                ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_parens)]` implied by `#[deny(unused)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -       .map(|i| (Scalar::ONE - r[i]))
[INFO] [stdout] 155 +       .map(|i| Scalar::ONE - r[i])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/provider/msm.rs:224:29
[INFO] [stdout]     |
[INFO] [stdout] 224 |       .filter(|(scalar, _)| (!scalar.is_zero()))
[INFO] [stdout]     |                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -       .filter(|(scalar, _)| (!scalar.is_zero()))
[INFO] [stdout] 224 +       .filter(|(scalar, _)| !scalar.is_zero())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spartan2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3feda4704860b04ccc50b53deb2eea7d8ea5c9497181eb10af26bff481eead11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3feda4704860b04ccc50b53deb2eea7d8ea5c9497181eb10af26bff481eead11", kill_on_drop: false }`
[INFO] [stdout] 3feda4704860b04ccc50b53deb2eea7d8ea5c9497181eb10af26bff481eead11