[INFO] fetching crate snark-verifier-sdk 0.2.3...
[INFO] testing snark-verifier-sdk-0.2.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate snark-verifier-sdk 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate snark-verifier-sdk 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate snark-verifier-sdk 0.2.3
[INFO] tweaked toml for crates.io crate snark-verifier-sdk 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snark-verifier-sdk 0.2.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snark-verifier-sdk 0.2.3 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50ed67b6161a6192f9c5570c3d821ec57e169eb1535e3b32e55e6c7f533119c9
[INFO] running `Command { std: "docker" "start" "-a" "50ed67b6161a6192f9c5570c3d821ec57e169eb1535e3b32e55e6c7f533119c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50ed67b6161a6192f9c5570c3d821ec57e169eb1535e3b32e55e6c7f533119c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ed67b6161a6192f9c5570c3d821ec57e169eb1535e3b32e55e6c7f533119c9", kill_on_drop: false }`
[INFO] [stdout] 50ed67b6161a6192f9c5570c3d821ec57e169eb1535e3b32e55e6c7f533119c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 706fdf3be28b8895dda9125a6daf8a031e64ac4495feb7675f73b1b76df58c68
[INFO] running `Command { std: "docker" "start" "-a" "706fdf3be28b8895dda9125a6daf8a031e64ac4495feb7675f73b1b76df58c68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling blake2b_simd v1.0.3
[INFO] [stderr]    Compiling halo2curves-axiom v0.7.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling pasta_curves v0.5.1
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling ruint v1.14.0
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling getset v0.1.5
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]    Compiling test-case v3.3.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling poseidon-primitives v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_arrays v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling primitive-types v0.12.2
[INFO] [stderr]    Compiling ethereum-types v0.14.1
[INFO] [stderr]    Compiling halo2-axiom v0.5.0
[INFO] [stderr]    Compiling jemallocator v0.5.4
[INFO] [stderr]    Compiling halo2-base v0.5.0
[INFO] [stderr]    Compiling halo2-ecc v0.5.0
[INFO] [stderr]    Compiling snark-verifier v0.2.3
[INFO] [stderr]    Compiling snark-verifier-sdk v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/halo2/utils.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn intent_of_dependencies(&self) -> Vec<AggregationDependencyIntent>;
[INFO] [stdout]    |                               ^^^^^         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn intent_of_dependencies(&self) -> Vec<AggregationDependencyIntent<'_>>;
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 20s
[INFO] running `Command { std: "docker" "inspect" "706fdf3be28b8895dda9125a6daf8a031e64ac4495feb7675f73b1b76df58c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706fdf3be28b8895dda9125a6daf8a031e64ac4495feb7675f73b1b76df58c68", kill_on_drop: false }`
[INFO] [stdout] 706fdf3be28b8895dda9125a6daf8a031e64ac4495feb7675f73b1b76df58c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6c54164bf07c03896949dd693e06b4adcefb040624c22a916f546bae297f68
[INFO] running `Command { std: "docker" "start" "-a" "7f6c54164bf07c03896949dd693e06b4adcefb040624c22a916f546bae297f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling uuid v1.16.0
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.35
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling symbolic-demangle v12.15.3
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling bytemuck v1.22.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pairing v0.23.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling pasta_curves v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling jemallocator v0.5.4
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling symbolic-common v12.15.3
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling clap v4.5.35
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]    Compiling pprof v0.13.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling inferno v0.11.21
[INFO] [stderr]    Compiling ark-std v0.3.0
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling criterion-macro v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]    Compiling getset v0.1.5
[INFO] [stderr]    Compiling test-case v3.3.1
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling poseidon-primitives v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling ratatui v0.24.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde_arrays v0.1.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling halo2curves-axiom v0.7.0
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling primitive-types v0.12.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ethereum-types v0.14.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling halo2-axiom v0.5.0
[INFO] [stderr]    Compiling halo2-base v0.5.0
[INFO] [stderr]    Compiling halo2-ecc v0.5.0
[INFO] [stderr]    Compiling snark-verifier v0.2.3
[INFO] [stderr]    Compiling snark-verifier-sdk v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/halo2/utils.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn intent_of_dependencies(&self) -> Vec<AggregationDependencyIntent>;
[INFO] [stdout]    |                               ^^^^^         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn intent_of_dependencies(&self) -> Vec<AggregationDependencyIntent<'_>>;
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/halo2/utils.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn intent_of_dependencies(&self) -> Vec<AggregationDependencyIntent>;
[INFO] [stdout]    |                               ^^^^^         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn intent_of_dependencies(&self) -> Vec<AggregationDependencyIntent<'_>>;
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> examples/k_as_witness.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `halo2-pse`
[INFO] [stdout]    --> examples/standard_plonk.rs:116:27
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     #[cfg(feature = "halo2-pse")]
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `display`, `halo2-axiom`, `loader_evm`, `loader_halo2`, `parallel`, `revm`, and `serde_with`
[INFO] [stdout]     = help: consider adding `halo2-pse` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> examples/standard_plonk.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let _ = [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> examples/vkey_as_witness.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let _ = [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snark-verifier-sdk` (example "k_as_witness"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name k_as_witness --edition=2021 examples/k_as_witness.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="display"' --cfg 'feature="halo2-axiom"' --cfg 'feature="loader_evm"' --cfg 'feature="loader_halo2"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "display", "halo2-axiom", "loader_evm", "loader_halo2", "parallel", "revm", "serde_with"))' -C metadata=99127faab15253db -C extra-filename=-771e286091d9336f --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-8466c6c50e2b3bda.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-87f66e420240370d.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-09d4dae7fe79b4f6.rlib --extern criterion_macro=/opt/rustwide/target/debug/deps/libcriterion_macro-08324cab38c82cc5.so --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-277a792c85bc872b.rlib --extern ethereum_types=/opt/rustwide/target/debug/deps/libethereum_types-c7c1641818735929.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-7ce1f011c45b68b2.so --extern halo2_base=/opt/rustwide/target/debug/deps/libhalo2_base-9d2438f750344ca1.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-4e618fdd9be5a8ce.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-54a4a468b19e7c09.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-171f9f3e8c9ed390.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-d98895223f968de7.rlib --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-f2dc24e2c2e47aa3.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a6045bc8b1610245.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-e99c5ab9be878770.so --extern pprof=/opt/rustwide/target/debug/deps/libpprof-9f646bdf0a6305ae.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-05976fac53e42b5a.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-1067a70ba9027f75.rlib --extern ratatui=/opt/rustwide/target/debug/deps/libratatui-64141513837d0017.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-03b05746b32edaac.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6635b53ccc69dd1e.rlib --extern snark_verifier=/opt/rustwide/target/debug/deps/libsnark_verifier-f1083c5ab47cdf9a.rlib --extern snark_verifier_sdk=/opt/rustwide/target/debug/deps/libsnark_verifier_sdk-f4c8d6e13e90b2db.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/jemalloc-sys-5eac0c01e71a0635/out/build/lib` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `snark-verifier-sdk` (example "vkey_as_witness"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name vkey_as_witness --edition=2021 examples/vkey_as_witness.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="display"' --cfg 'feature="halo2-axiom"' --cfg 'feature="loader_evm"' --cfg 'feature="loader_halo2"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "display", "halo2-axiom", "loader_evm", "loader_halo2", "parallel", "revm", "serde_with"))' -C metadata=a2f54223823bd72b -C extra-filename=-058a5b301153a0dd --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern ark_std=/opt/rustwide/target/debug/deps/libark_std-8466c6c50e2b3bda.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-87f66e420240370d.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-09d4dae7fe79b4f6.rlib --extern criterion_macro=/opt/rustwide/target/debug/deps/libcriterion_macro-08324cab38c82cc5.so --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-277a792c85bc872b.rlib --extern ethereum_types=/opt/rustwide/target/debug/deps/libethereum_types-c7c1641818735929.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-7ce1f011c45b68b2.so --extern halo2_base=/opt/rustwide/target/debug/deps/libhalo2_base-9d2438f750344ca1.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-4e618fdd9be5a8ce.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-54a4a468b19e7c09.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-171f9f3e8c9ed390.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-d98895223f968de7.rlib --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-f2dc24e2c2e47aa3.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a6045bc8b1610245.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-e99c5ab9be878770.so --extern pprof=/opt/rustwide/target/debug/deps/libpprof-9f646bdf0a6305ae.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-05976fac53e42b5a.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-1067a70ba9027f75.rlib --extern ratatui=/opt/rustwide/target/debug/deps/libratatui-64141513837d0017.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-03b05746b32edaac.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6635b53ccc69dd1e.rlib --extern snark_verifier=/opt/rustwide/target/debug/deps/libsnark_verifier-f1083c5ab47cdf9a.rlib --extern snark_verifier_sdk=/opt/rustwide/target/debug/deps/libsnark_verifier_sdk-f4c8d6e13e90b2db.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/jemalloc-sys-5eac0c01e71a0635/out/build/lib` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7f6c54164bf07c03896949dd693e06b4adcefb040624c22a916f546bae297f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6c54164bf07c03896949dd693e06b4adcefb040624c22a916f546bae297f68", kill_on_drop: false }`
[INFO] [stdout] 7f6c54164bf07c03896949dd693e06b4adcefb040624c22a916f546bae297f68
