[INFO] cloning repository https://github.com/pnyda/halo2-ccs-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pnyda/halo2-ccs-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnyda%2Fhalo2-ccs-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnyda%2Fhalo2-ccs-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc6b2cc0aff53d91182881de9f7489727f2e95b0
[INFO] checking pnyda/halo2-ccs-plus against try#14731909456ca628a194900c35659dfdcb359e77 for pr-149195-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpnyda%2Fhalo2-ccs-plus" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/pnyda/halo2-ccs-plus
[INFO] finished tweaking git repo https://github.com/pnyda/halo2-ccs-plus
[INFO] tweaked toml for git repo https://github.com/pnyda/halo2-ccs-plus written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pnyda/halo2-ccs-plus on toolchain 14731909456ca628a194900c35659dfdcb359e77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pnyda/halo2-ccs-plus 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" "+14731909456ca628a194900c35659dfdcb359e77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ffd1cbc03713860e0b148d51943a913c72861d77d17fc97b49eba97b57340e5
[INFO] running `Command { std: "docker" "start" "-a" "1ffd1cbc03713860e0b148d51943a913c72861d77d17fc97b49eba97b57340e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ffd1cbc03713860e0b148d51943a913c72861d77d17fc97b49eba97b57340e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffd1cbc03713860e0b148d51943a913c72861d77d17fc97b49eba97b57340e5", kill_on_drop: false }`
[INFO] [stdout] 1ffd1cbc03713860e0b148d51943a913c72861d77d17fc97b49eba97b57340e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+14731909456ca628a194900c35659dfdcb359e77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7814666e1360f6a7679f288d3779c3850f11b9a21581cc1507b93cdc658a8685
[INFO] running `Command { std: "docker" "start" "-a" "7814666e1360f6a7679f288d3779c3850f11b9a21581cc1507b93cdc658a8685", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
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[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num-integer v0.1.46
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[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking byteorder v1.5.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]     Checking halo2_proofs v0.3.2 (https://github.com/pnyda/halo2.git?branch=ccs#eaffe47d)
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[INFO] [stderr]     Checking halo2_gadgets v0.3.2 (https://github.com/pnyda/halo2.git?branch=ccs#eaffe47d)
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[INFO] [stderr]     Checking halo2ccs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]   --> src/ccs.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 | ) -> Result<CCS<F>, Error> {
[INFO] [stdout]    |                     ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]   --> src/ccs.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]    |                ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/ccs.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 | ) -> Result<CCS<F>, Error> {
[INFO] [stdout]     |                     ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/ccs.rs:487:28
[INFO] [stdout]     |
[INFO] [stdout] 487 | ) -> Result<Vec<ARKWORKS>, Error> {
[INFO] [stdout]     |                            ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/ccs.rs:495:16
[INFO] [stdout]     |
[INFO] [stdout] 495 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]     |                ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]   --> src/ccs.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 | ) -> Result<CCS<F>, Error> {
[INFO] [stdout]    |                     ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]   --> src/ccs.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]    |                ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]   --> src/ccs.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | use crate::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/ccs.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 | ) -> Result<CCS<F>, Error> {
[INFO] [stdout]     |                     ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/ccs.rs:487:28
[INFO] [stdout]     |
[INFO] [stdout] 487 | ) -> Result<Vec<ARKWORKS>, Error> {
[INFO] [stdout]     |                            ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> src/ccs.rs:495:16
[INFO] [stdout]     |
[INFO] [stdout] 495 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]     |                ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> src/ccs.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout]   2 | use crate::*;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]     --> src/ccs.rs:1208:40
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     fn test_generate_z() -> Result<(), Error> {
[INFO] [stdout]      |                                        ^^^^^ ambiguous name
[INFO] [stdout]      |
[INFO] [stdout]      = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]     --> src/ccs.rs:2:5
[INFO] [stdout]      |
[INFO] [stdout]    2 | use crate::*;
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]     --> src/ccs.rs:2:5
[INFO] [stdout]      |
[INFO] [stdout]    2 | use crate::*;
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]     --> src/ccs.rs:1312:52
[INFO] [stdout]      |
[INFO] [stdout] 1312 |     fn test_generate_z_corner_case() -> Result<(), Error> {
[INFO] [stdout]      |                                                    ^^^^^ ambiguous name
[INFO] [stdout]      |
[INFO] [stdout]      = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]     --> src/ccs.rs:2:5
[INFO] [stdout]      |
[INFO] [stdout]    2 | use crate::*;
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]     --> src/ccs.rs:2:5
[INFO] [stdout]      |
[INFO] [stdout]    2 | use crate::*;
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]     --> src/ccs.rs:1356:57
[INFO] [stdout]      |
[INFO] [stdout] 1356 |     fn test_generate_naive_ccs_instance() -> Result<(), Error> {
[INFO] [stdout]      |                                                         ^^^^^ ambiguous name
[INFO] [stdout]      |
[INFO] [stdout]      = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the enum imported here
[INFO] [stdout]     --> src/ccs.rs:2:5
[INFO] [stdout]      |
[INFO] [stdout]    2 | use crate::*;
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]     --> src/ccs.rs:2:5
[INFO] [stdout]      |
[INFO] [stdout]    2 | use crate::*;
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `NoWitness` found for enum `halo2_proofs::plonk::Error` in the current scope
[INFO] [stdout]   --> src/ccs.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]    |                       ^^^^^^^^^ variant or associated item not found in `halo2_proofs::plonk::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `NoWitness` found for enum `halo2_proofs::plonk::Error` in the current scope
[INFO] [stdout]    --> src/ccs.rs:495:23
[INFO] [stdout]     |
[INFO] [stdout] 495 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]     |                       ^^^^^^^^^ variant or associated item not found in `halo2_proofs::plonk::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `NoWitness` found for enum `halo2_proofs::plonk::Error` in the current scope
[INFO] [stdout]   --> src/ccs.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]    |                       ^^^^^^^^^ variant or associated item not found in `halo2_proofs::plonk::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `NoWitness` found for enum `halo2_proofs::plonk::Error` in the current scope
[INFO] [stdout]    --> src/ccs.rs:495:23
[INFO] [stdout]     |
[INFO] [stdout] 495 |         .ok_or(Error::NoWitness)?;
[INFO] [stdout]     |                       ^^^^^^^^^ variant or associated item not found in `halo2_proofs::plonk::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `halo2_proofs::plonk::Error`
[INFO] [stdout]     --> src/ccs.rs:1294:63
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     fn test_generate_z() -> Result<(), Error> {
[INFO] [stdout]      |                             ----------------- expected `halo2_proofs::plonk::Error` because of this
[INFO] [stdout] ...
[INFO] [stdout] 1294 |         plonkish_table.evaluate_lookup_inputs(&[lookup_input])?;
[INFO] [stdout]      |                        ---------------------------------------^ the trait `From<Error>` is not implemented for `halo2_proofs::plonk::Error`
[INFO] [stdout]      |                        |
[INFO] [stdout]      |                        this can't be annotated with `?` because it has type `Result<_, Error>`
[INFO] [stdout]      |
[INFO] [stdout] note: `Error` needs to implement `Into<halo2_proofs::plonk::Error>`
[INFO] [stdout]     --> src/lib.rs:44:1
[INFO] [stdout]      |
[INFO] [stdout]   44 | pub enum Error {
[INFO] [stdout]      | ^^^^^^^^^^^^^^
[INFO] [stdout]      = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] help: the trait `From<Error>` is not implemented for `halo2_proofs::plonk::Error`
[INFO] [stdout]       but trait `From<std::io::Error>` is implemented for it
[INFO] [stdout]     --> /opt/rustwide/cargo-home/git/checkouts/halo2-e995c31908cff5ea/eaffe47/halo2_proofs/src/plonk/error.rs:45:1
[INFO] [stdout]      |
[INFO] [stdout]   45 | impl From<io::Error> for Error {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: for that trait implementation, expected `std::io::Error`, found `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `halo2ccs` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0659.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `halo2ccs` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "7814666e1360f6a7679f288d3779c3850f11b9a21581cc1507b93cdc658a8685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7814666e1360f6a7679f288d3779c3850f11b9a21581cc1507b93cdc658a8685", kill_on_drop: false }`
[INFO] [stdout] 7814666e1360f6a7679f288d3779c3850f11b9a21581cc1507b93cdc658a8685
