[INFO] cloning repository https://github.com/jae-cuz/unsound-halo2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jae-cuz/unsound-halo2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjae-cuz%2Funsound-halo2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjae-cuz%2Funsound-halo2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0727d9dec73436f358ec914d9184a051633a716
[INFO] testing jae-cuz/unsound-halo2 against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjae-cuz%2Funsound-halo2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jae-cuz/unsound-halo2
[INFO] finished tweaking git repo https://github.com/jae-cuz/unsound-halo2
[INFO] tweaked toml for git repo https://github.com/jae-cuz/unsound-halo2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jae-cuz/unsound-halo2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jae-cuz/unsound-halo2 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "a20f983ab095839e542952d201d11a7a76f27d9a25b24e1ee0790312cd7ee5c2", kill_on_drop: false }`
[INFO] [stdout] a20f983ab095839e542952d201d11a7a76f27d9a25b24e1ee0790312cd7ee5c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b798082873cfb47fdd24afd79be49f205f856e7fc9422444869d2f851ba0f7b
[INFO] running `Command { std: "docker" "start" "-a" "3b798082873cfb47fdd24afd79be49f205f856e7fc9422444869d2f851ba0f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling blake2b_simd v1.0.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling halo2curves v0.3.2 (https://github.com/privacy-scaling-explorations/halo2curves?tag=0.3.2#9f5c5081)
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling pasta_curves v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tracing v0.1.39
[INFO] [stderr]    Compiling halo2_proofs v0.2.0 (https://github.com/privacy-scaling-explorations/halo2.git?tag=v2023_04_20#be955686)
[INFO] [stderr]    Compiling unsound-halo2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `IsZeroConfig` is never constructed
[INFO] [stdout]  --> src/is_zero.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct IsZeroConfig<F> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expr` is never used
[INFO] [stdout]   --> src/is_zero.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<F: Field> IsZeroConfig<F> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 10 |     pub fn expr(&self) -> Expression<F> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IsZeroChip` is never constructed
[INFO] [stdout]   --> src/is_zero.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct IsZeroChip<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, and `assign` are never used
[INFO] [stdout]   --> src/is_zero.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<F: Field> IsZeroChip<F> {
[INFO] [stdout]    | ---------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn construct(config: IsZeroConfig<F>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn configure(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn assign(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorConfig` is never constructed
[INFO] [stdout]  --> src/under_constrained/factor_underconstrained.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FactorConfig {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorChip` is never constructed
[INFO] [stdout]   --> src/under_constrained/factor_underconstrained.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FactorChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_row`, and `expose_public` are never used
[INFO] [stdout]   --> src/under_constrained/factor_underconstrained.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<F: Field> FactorChip<F> {
[INFO] [stdout]    | ---------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn construct(config: FactorConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FactorConfig {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn assign_row(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn expose_public(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorCircuit` is never constructed
[INFO] [stdout]   --> src/under_constrained/factor_underconstrained.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct FactorCircuit<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorConfig` is never constructed
[INFO] [stdout]  --> src/under_constrained/factor_sound.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FactorConfig<F: Field> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorChip` is never constructed
[INFO] [stdout]   --> src/under_constrained/factor_sound.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct FactorChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_row`, and `expose_public` are never used
[INFO] [stdout]    --> src/under_constrained/factor_sound.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl<F: Field> FactorChip<F> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout]  24 |     pub fn construct(config: FactorConfig<F>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  31 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FactorConfig<F> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn assign_row(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorCircuit` is never constructed
[INFO] [stdout]    --> src/under_constrained/factor_sound.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct FactorCircuit<F: Field> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.51s
[INFO] running `Command { std: "docker" "inspect" "3b798082873cfb47fdd24afd79be49f205f856e7fc9422444869d2f851ba0f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b798082873cfb47fdd24afd79be49f205f856e7fc9422444869d2f851ba0f7b", kill_on_drop: false }`
[INFO] [stdout] 3b798082873cfb47fdd24afd79be49f205f856e7fc9422444869d2f851ba0f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c91d5028b9435706cfdcbc20cf66e6a3d72d27842128f78dd1935a403170d014
[INFO] running `Command { std: "docker" "start" "-a" "c91d5028b9435706cfdcbc20cf66e6a3d72d27842128f78dd1935a403170d014", kill_on_drop: false }`
[INFO] [stdout] warning: struct `IsZeroConfig` is never constructed
[INFO] [stdout]  --> src/is_zero.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct IsZeroConfig<F> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expr` is never used
[INFO] [stdout]   --> src/is_zero.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<F: Field> IsZeroConfig<F> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] 10 |     pub fn expr(&self) -> Expression<F> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IsZeroChip` is never constructed
[INFO] [stdout]   --> src/is_zero.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct IsZeroChip<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, and `assign` are never used
[INFO] [stdout]   --> src/is_zero.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<F: Field> IsZeroChip<F> {
[INFO] [stdout]    | ---------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn construct(config: IsZeroConfig<F>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn configure(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn assign(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorConfig` is never constructed
[INFO] [stdout]  --> src/under_constrained/factor_underconstrained.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FactorConfig {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorChip` is never constructed
[INFO] [stdout]   --> src/under_constrained/factor_underconstrained.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FactorChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unsound-halo2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_row`, and `expose_public` are never used
[INFO] [stdout]   --> src/under_constrained/factor_underconstrained.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<F: Field> FactorChip<F> {
[INFO] [stdout]    | ---------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn construct(config: FactorConfig) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FactorConfig {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn assign_row(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn expose_public(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorCircuit` is never constructed
[INFO] [stdout]   --> src/under_constrained/factor_underconstrained.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct FactorCircuit<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorConfig` is never constructed
[INFO] [stdout]  --> src/under_constrained/factor_sound.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct FactorConfig<F: Field> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorChip` is never constructed
[INFO] [stdout]   --> src/under_constrained/factor_sound.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct FactorChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `construct`, `configure`, `assign_row`, and `expose_public` are never used
[INFO] [stdout]    --> src/under_constrained/factor_sound.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl<F: Field> FactorChip<F> {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout]  24 |     pub fn construct(config: FactorConfig<F>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  31 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FactorConfig<F> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn assign_row(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn expose_public(
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FactorCircuit` is never constructed
[INFO] [stdout]    --> src/under_constrained/factor_sound.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct FactorCircuit<F: Field> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "c91d5028b9435706cfdcbc20cf66e6a3d72d27842128f78dd1935a403170d014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91d5028b9435706cfdcbc20cf66e6a3d72d27842128f78dd1935a403170d014", kill_on_drop: false }`
[INFO] [stdout] c91d5028b9435706cfdcbc20cf66e6a3d72d27842128f78dd1935a403170d014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60fcbfd3cb3c9958b3f32dfcff08626956613656b02adcdacb7880a43e1bc790
[INFO] running `Command { std: "docker" "start" "-a" "60fcbfd3cb3c9958b3f32dfcff08626956613656b02adcdacb7880a43e1bc790", kill_on_drop: false }`
[INFO] [stderr] warning: struct `IsZeroConfig` is never constructed
[INFO] [stderr]  --> src/is_zero.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct IsZeroConfig<F> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `expr` is never used
[INFO] [stderr]   --> src/is_zero.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<F: Field> IsZeroConfig<F> {
[INFO] [stderr]    | ------------------------------ method in this implementation
[INFO] [stderr] 10 |     pub fn expr(&self) -> Expression<F> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IsZeroChip` is never constructed
[INFO] [stderr]   --> src/is_zero.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct IsZeroChip<F: Field> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `construct`, `configure`, and `assign` are never used
[INFO] [stderr]   --> src/is_zero.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<F: Field> IsZeroChip<F> {
[INFO] [stderr]    | ---------------------------- associated items in this implementation
[INFO] [stderr] 20 |     pub fn construct(config: IsZeroConfig<F>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn configure(
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn assign(
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FactorConfig` is never constructed
[INFO] [stderr]  --> src/under_constrained/factor_underconstrained.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct FactorConfig {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FactorChip` is never constructed
[INFO] [stderr]   --> src/under_constrained/factor_underconstrained.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct FactorChip<F: Field> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `construct`, `configure`, `assign_row`, and `expose_public` are never used
[INFO] [stderr]   --> src/under_constrained/factor_underconstrained.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<F: Field> FactorChip<F> {
[INFO] [stderr]    | ---------------------------- associated items in this implementation
[INFO] [stderr] 20 |     pub fn construct(config: FactorConfig) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FactorConfig {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn assign_row(
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pub fn expose_public(
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FactorCircuit` is never constructed
[INFO] [stderr]   --> src/under_constrained/factor_underconstrained.rs:89:12
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub struct FactorCircuit<F: Field> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FactorConfig` is never constructed
[INFO] [stderr]  --> src/under_constrained/factor_sound.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct FactorConfig<F: Field> {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FactorChip` is never constructed
[INFO] [stderr]   --> src/under_constrained/factor_sound.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct FactorChip<F: Field> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `construct`, `configure`, `assign_row`, and `expose_public` are never used
[INFO] [stderr]    --> src/under_constrained/factor_sound.rs:24:12
[INFO] [stderr]     |
[INFO] [stderr]  23 | impl<F: Field> FactorChip<F> {
[INFO] [stderr]     | ---------------------------- associated items in this implementation
[INFO] [stderr]  24 |     pub fn construct(config: FactorConfig<F>) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  31 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> FactorConfig<F> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  80 |     pub fn assign_row(
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 112 |     pub fn expose_public(
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FactorCircuit` is never constructed
[INFO] [stderr]    --> src/under_constrained/factor_sound.rs:123:12
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub struct FactorCircuit<F: Field> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `unsound-halo2` (lib) generated 12 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/halo2_examples-b9b0b38139e109a8)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test under_constrained::factor_sound::tests::innocent_prover ... ok
[INFO] [stdout] test under_constrained::factor_underconstrained::tests::innocent_prover ... ok
[INFO] [stdout] test under_constrained::factor_underconstrained::tests::malicious_prover ... ok
[INFO] [stdout] test under_constrained::factor_sound::tests::malicious_prover ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- under_constrained::factor_sound::tests::malicious_prover stdout ----
[INFO] [stdout] error: constraint not satisfied
[INFO] [stdout] 
[INFO] [stdout]   Cell layout in region 'Factor circuit assign':
[INFO] [stdout]     | Offset | A0 |
[INFO] [stdout]     +--------+----+
[INFO] [stdout]     |    0   | x0 | <--{ Gate 'Mul & NotEqOne Gate' applied here
[INFO] [stdout] 
[INFO] [stdout]   Constraint '':
[INFO] [stdout]     S0 * (1 - ((x0 - 1) * )) = 0
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stdout]   Assigned cell values:
[INFO] [stdout]     x0 = 1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] thread 'under_constrained::factor_sound::tests::malicious_prover' (18) panicked at /opt/rustwide/cargo-home/git/checkouts/halo2-a4679ef32e7b7344/be95568/halo2_proofs/src/dev.rs:1448:13:
[INFO] [stdout] circuit was not satisfied
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x622625169582 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x622625169582 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x622625169582 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x622625169582 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x622625179eaa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x622625179eaa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x622625138506 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x622625138506 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x622625148a69 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x622625148a69 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x622625148901 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6226250c3a7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6226250c3a7e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x622625148ce2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x622625148ce2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x622625148b5a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6226251440b9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x62262512d0fd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x62262518177c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6226250943f9 - halo2_proofs::dev::MockProver<F>::assert_satisfied::hf7a61af7128d778f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/git/checkouts/halo2-a4679ef32e7b7344/be95568/halo2_proofs/src/dev.rs:1448:13
[INFO] [stdout]   20:     0x622625079cce - halo2_examples::under_constrained::factor_sound::tests::malicious_prover::hd64e46d29172d398
[INFO] [stdout]                                at /opt/rustwide/workdir/src/under_constrained/factor_sound.rs:179:16
[INFO] [stdout]   21:     0x622625079d57 - halo2_examples::under_constrained::factor_sound::tests::malicious_prover::{{closure}}::h11117c57119f436b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/under_constrained/factor_sound.rs:173:26
[INFO] [stdout]   22:     0x6226250513a6 - core::ops::function::FnOnce::call_once::h134585bc84bf3727
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6226250c387b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6226250c387b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x6226250d724a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x6226250d724a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x6226250d724a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x6226250d724a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x6226250d724a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x6226250d724a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x6226250d724a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x6226250b16a4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x6226250b16a4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x6226250b4f62 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x6226250b4f62 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x6226250b4f62 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x6226250b4f62 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x6226250b4f62 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6226250b4f62 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x6226250b4f62 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x62262513f34f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x62262513f34f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7db00be3daa4 - <unknown>
[INFO] [stdout]   44:     0x7db00becaa64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     under_constrained::factor_sound::tests::malicious_prover
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60fcbfd3cb3c9958b3f32dfcff08626956613656b02adcdacb7880a43e1bc790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fcbfd3cb3c9958b3f32dfcff08626956613656b02adcdacb7880a43e1bc790", kill_on_drop: false }`
[INFO] [stdout] 60fcbfd3cb3c9958b3f32dfcff08626956613656b02adcdacb7880a43e1bc790
