[INFO] cloning repository https://github.com/ShengguangXiao/halo2-json-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShengguangXiao/halo2-json-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShengguangXiao%2Fhalo2-json-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShengguangXiao%2Fhalo2-json-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9612f99135bc5ff55fb245f23eead8dbcf34800
[INFO] building ShengguangXiao/halo2-json-regex against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShengguangXiao%2Fhalo2-json-regex" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ShengguangXiao/halo2-json-regex
[INFO] finished tweaking git repo https://github.com/ShengguangXiao/halo2-json-regex
[INFO] tweaked toml for git repo https://github.com/ShengguangXiao/halo2-json-regex written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ShengguangXiao/halo2-json-regex 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 git repo https://github.com/ShengguangXiao/halo2-json-regex 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 git repository `https://github.com/zcash/halo2.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-ord v0.2.0
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[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] 91b4bab5114327cbdad1965c08cc2629b85e7300a02dc89f8a743e9359cd5252
[INFO] running `Command { std: "docker" "start" "-a" "91b4bab5114327cbdad1965c08cc2629b85e7300a02dc89f8a743e9359cd5252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b4bab5114327cbdad1965c08cc2629b85e7300a02dc89f8a743e9359cd5252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b4bab5114327cbdad1965c08cc2629b85e7300a02dc89f8a743e9359cd5252", kill_on_drop: false }`
[INFO] [stdout] 91b4bab5114327cbdad1965c08cc2629b85e7300a02dc89f8a743e9359cd5252
[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] 65ba00f6ef2a936cbcad5bc4d7e4c5d662b1329b9b369673da9c897d3e824a31
[INFO] running `Command { std: "docker" "start" "-a" "65ba00f6ef2a936cbcad5bc4d7e4c5d662b1329b9b369673da9c897d3e824a31", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling wyz v0.5.0
[INFO] [stderr]    Compiling blake2b_simd v1.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling bitvec v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling ff v0.12.0
[INFO] [stderr]    Compiling group v0.12.0
[INFO] [stderr]    Compiling pasta_curves v0.4.0
[INFO] [stderr]    Compiling halo2_proofs v0.1.0 (https://github.com/zcash/halo2.git?rev=a898d65ae3ad3d41987666f6a03cfc15edae01c4#a898d65a)
[INFO] [stderr]    Compiling halo2-json-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RegexConstrained` is never constructed
[INFO] [stdout]   --> src/halo2_json_regex.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct RegexConstrained<F: FieldExt>(AssignedCell<Assigned<F>, 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: struct `RegexCheckConfig` is never constructed
[INFO] [stdout]   --> src/halo2_json_regex.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct RegexCheckConfig<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `split_regex`, `configure`, and `assign` are never used
[INFO] [stdout]    --> src/halo2_json_regex.rs:51:8
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl<F: FieldExt> RegexCheckConfig<F> {
[INFO] [stdout]     | ------------------------------------- associated items in this implementation
[INFO] [stdout]  51 |     fn split_regex(regex: String) -> Vec<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn assign(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "65ba00f6ef2a936cbcad5bc4d7e4c5d662b1329b9b369673da9c897d3e824a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ba00f6ef2a936cbcad5bc4d7e4c5d662b1329b9b369673da9c897d3e824a31", kill_on_drop: false }`
[INFO] [stdout] 65ba00f6ef2a936cbcad5bc4d7e4c5d662b1329b9b369673da9c897d3e824a31
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1415cccc068fd7783dc575cc5c1f54416a8a127c06c5a354c425f46e00d2635
[INFO] running `Command { std: "docker" "start" "-a" "c1415cccc068fd7783dc575cc5c1f54416a8a127c06c5a354c425f46e00d2635", kill_on_drop: false }`
[INFO] [stderr]    Compiling halo2-json-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RegexConstrained` is never constructed
[INFO] [stdout]   --> src/halo2_json_regex.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct RegexConstrained<F: FieldExt>(AssignedCell<Assigned<F>, 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: struct `RegexCheckConfig` is never constructed
[INFO] [stdout]   --> src/halo2_json_regex.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct RegexCheckConfig<F: FieldExt> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `split_regex`, `configure`, and `assign` are never used
[INFO] [stdout]    --> src/halo2_json_regex.rs:51:8
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl<F: FieldExt> RegexCheckConfig<F> {
[INFO] [stdout]     | ------------------------------------- associated items in this implementation
[INFO] [stdout]  51 |     fn split_regex(regex: String) -> Vec<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     pub fn configure(meta: &mut ConstraintSystem<F>) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn assign(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Any`, `FailureLocation`, and `VerifyFailure`
[INFO] [stdout]    --> src/halo2_json_regex.rs:187:15
[INFO] [stdout]     |
[INFO] [stdout] 187 |         dev::{FailureLocation, MockProver, VerifyFailure},
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout] 188 |         pasta::Fp,
[INFO] [stdout] 189 |         plonk::{Any, Circuit},
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "c1415cccc068fd7783dc575cc5c1f54416a8a127c06c5a354c425f46e00d2635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1415cccc068fd7783dc575cc5c1f54416a8a127c06c5a354c425f46e00d2635", kill_on_drop: false }`
[INFO] [stdout] c1415cccc068fd7783dc575cc5c1f54416a8a127c06c5a354c425f46e00d2635
