[INFO] cloning repository https://github.com/hyperoracle/kzg_ceremony_halo2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyperoracle/kzg_ceremony_halo2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperoracle%2Fkzg_ceremony_halo2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperoracle%2Fkzg_ceremony_halo2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23cf01df51fc40528f80e6505924ca4746f799be
[INFO] checking hyperoracle/kzg_ceremony_halo2 against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperoracle%2Fkzg_ceremony_halo2" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hyperoracle/kzg_ceremony_halo2
[INFO] finished tweaking git repo https://github.com/hyperoracle/kzg_ceremony_halo2
[INFO] tweaked toml for git repo https://github.com/hyperoracle/kzg_ceremony_halo2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hyperoracle/kzg_ceremony_halo2 on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hyperoracle/kzg_ceremony_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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db02d4b40757faeb97ad6ed091d4c012058ed3d0d551fa6add789cb0f18e9244
[INFO] running `Command { std: "docker" "start" "-a" "db02d4b40757faeb97ad6ed091d4c012058ed3d0d551fa6add789cb0f18e9244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db02d4b40757faeb97ad6ed091d4c012058ed3d0d551fa6add789cb0f18e9244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db02d4b40757faeb97ad6ed091d4c012058ed3d0d551fa6add789cb0f18e9244", kill_on_drop: false }`
[INFO] [stdout] db02d4b40757faeb97ad6ed091d4c012058ed3d0d551fa6add789cb0f18e9244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb32d568f9ba18108b54856ba9dfd5e98ad5d158fdca7094782a6ddc8d733bc
[INFO] running `Command { std: "docker" "start" "-a" "0bb32d568f9ba18108b54856ba9dfd5e98ad5d158fdca7094782a6ddc8d733bc", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
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[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking bls12_381 v0.7.0 (https://github.com/lanbones/bls12_381.git#31fcd53a)
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[INFO] [stderr]     Checking pairing_bn256 v0.1.1 (https://github.com/lanbones/pairing#5ab08062)
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[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking ryu v1.0.13
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling halo2_proofs v0.1.0-beta.1 (https://github.com/junyu0312/halo2.git?branch=gpu#2af71a92)
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
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[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking clap v2.34.0
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[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking kzg_ceremony_circuit v0.1.0 (/opt/rustwide/workdir/lib/kzg_ceremony_circuit)
[INFO] [stdout] warning: unused import: `halo2_proofs::dev::MockProver`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g1_mul.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |     use halo2_proofs::dev::MockProver;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bn256` and `self`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g1_mul.rs:349:17
[INFO] [stdout]     |
[INFO] [stdout] 349 |         bn256::{self, Bn256, Fr},
[INFO] [stdout]     |                 ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::poly::commitment::Params`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g1_mul.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     use halo2_proofs::poly::commitment::Params;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ProvingKey`, `VerifyingKey`, `create_proofs`, and `verify_proof`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g1_mul.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         create_proofs, generate_instance, verify_proof, Circuit, Instance, ProvingKey,
[INFO] [stdout]     |         ^^^^^^^^^^^^^                     ^^^^^^^^^^^^                     ^^^^^^^^^^
[INFO] [stdout] 358 |         VerifyingKey, LENGTH,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::K`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g1_mul.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use crate::K;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ProvingKey`, `VerifyingKey`, `create_proofs`, and `verify_proof`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         create_proofs, generate_instance, verify_proof, Circuit, Instance, ProvingKey,
[INFO] [stdout]     |         ^^^^^^^^^^^^^                     ^^^^^^^^^^^^                     ^^^^^^^^^^
[INFO] [stdout] 357 |         VerifyingKey, LENGTH,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::K`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |     use crate::K;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::dev::MockProver`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     use halo2_proofs::dev::MockProver;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bn256`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:362:40
[INFO] [stdout]     |
[INFO] [stdout] 362 |     use halo2_proofs::pairing::bn256::{Bn256, Fr};
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::pairing::group::ff::PrimeField`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use halo2_proofs::pairing::group::ff::PrimeField;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bn256`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:365:44
[INFO] [stdout]     |
[INFO] [stdout] 365 |     use halo2_proofs::pairing::{bls12_381, bn256};
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::poly::commitment::Params`
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |     use halo2_proofs::poly::commitment::Params;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> lib/kzg_ceremony_circuit/src/range_info.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |             .map(|i| ((&w_modulus >> (i * limb_bits)) & &limb_mask))
[INFO] [stdout]    |                      ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             .map(|i| ((&w_modulus >> (i * limb_bits)) & &limb_mask))
[INFO] [stdout] 95 +             .map(|i| (&w_modulus >> (i * limb_bits)) & &limb_mask)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/range_info.rs:262:22
[INFO] [stdout]     |
[INFO] [stdout] 262 |             .map(|i| ((w >> (i * self.limb_bits)) & &self.limb_mask))
[INFO] [stdout]     |                      ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -             .map(|i| ((w >> (i * self.limb_bits)) & &self.limb_mask))
[INFO] [stdout] 262 +             .map(|i| (w >> (i * self.limb_bits)) & &self.limb_mask)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::pairing::bn256`
[INFO] [stdout]   --> lib/kzg_ceremony_circuit/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use halo2_proofs::pairing::bn256;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::pairing::bn256::Bn256`
[INFO] [stdout]   --> lib/kzg_ceremony_circuit/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use halo2_proofs::pairing::bn256::Bn256;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::poly::commitment::Params`
[INFO] [stdout]   --> lib/kzg_ceremony_circuit/src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use halo2_proofs::poly::commitment::Params;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> lib/kzg_ceremony_circuit/src/range_info.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |             .map(|i| ((&w_modulus >> (i * limb_bits)) & &limb_mask))
[INFO] [stdout]    |                      ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -             .map(|i| ((&w_modulus >> (i * limb_bits)) & &limb_mask))
[INFO] [stdout] 95 +             .map(|i| (&w_modulus >> (i * limb_bits)) & &limb_mask)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/range_info.rs:262:22
[INFO] [stdout]     |
[INFO] [stdout] 262 |             .map(|i| ((w >> (i * self.limb_bits)) & &self.limb_mask))
[INFO] [stdout]     |                      ^                                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -             .map(|i| ((w >> (i * self.limb_bits)) & &self.limb_mask))
[INFO] [stdout] 262 +             .map(|i| (w >> (i * self.limb_bits)) & &self.limb_mask)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stdout] warning: function `random_circuit` is never used
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g1_mul.rs:362:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     fn random_circuit() -> (Circuit<Fr>, Vec<Fr>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_circuit` is never used
[INFO] [stdout]    --> lib/kzg_ceremony_circuit/src/circuit_g2_mul.rs:370:8
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn random_circuit() -> (Circuit<Fr>, Vec<Fr>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking kzg_ceremony_prover v0.1.0 (/opt/rustwide/workdir/lib/kzg_ceremony_prover)
[INFO] [stdout] warning: unused import: `kzg_ceremony_circuit::halo2_proofs::pairing::group::prime::PrimeCurveAffine`
[INFO] [stdout]  --> lib/kzg_ceremony_prover/src/serialization.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use kzg_ceremony_circuit::halo2_proofs::pairing::group::prime::PrimeCurveAffine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kzg_ceremony_circuit::halo2_proofs::pairing::group::Curve`
[INFO] [stdout]  --> lib/kzg_ceremony_prover/src/serialization.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use kzg_ceremony_circuit::halo2_proofs::pairing::group::Curve;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kzg_ceremony_circuit::halo2_proofs::pairing::group::prime::PrimeCurveAffine`
[INFO] [stdout]  --> lib/kzg_ceremony_prover/src/serialization.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use kzg_ceremony_circuit::halo2_proofs::pairing::group::prime::PrimeCurveAffine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stdout] error: zero-sized fields in `repr(transparent)` cannot contain external non-exhaustive types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-0.14.27/src/proto/h2/mod.rs:452:5
[INFO] [stdout]     |
[INFO] [stdout] 452 |     impossible: Impossible,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this field contains `Impossible`, which is not inhabited, and makes it not a breaking change to become non-zero-sized in the future.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0bb32d568f9ba18108b54856ba9dfd5e98ad5d158fdca7094782a6ddc8d733bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb32d568f9ba18108b54856ba9dfd5e98ad5d158fdca7094782a6ddc8d733bc", kill_on_drop: false }`
[INFO] [stdout] 0bb32d568f9ba18108b54856ba9dfd5e98ad5d158fdca7094782a6ddc8d733bc
