[INFO] cloning repository https://github.com/Silica-Protocol/Halo2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Silica-Protocol/Halo2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilica-Protocol%2FHalo2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilica-Protocol%2FHalo2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 022d0e7bc1ad3ae86c2e1ab8e93e156c961d822e
[INFO] checking Silica-Protocol/Halo2 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilica-Protocol%2FHalo2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Silica-Protocol/Halo2
[INFO] finished tweaking git repo https://github.com/Silica-Protocol/Halo2
[INFO] tweaked toml for git repo https://github.com/Silica-Protocol/Halo2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Silica-Protocol/Halo2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Silica-Protocol/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" "+1.95.0" "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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0372db3ac981d66539ba05291eeef5865a46afe17976041c02c64ccb659c580d
[INFO] running `Command { std: "docker" "start" "-a" "0372db3ac981d66539ba05291eeef5865a46afe17976041c02c64ccb659c580d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0372db3ac981d66539ba05291eeef5865a46afe17976041c02c64ccb659c580d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0372db3ac981d66539ba05291eeef5865a46afe17976041c02c64ccb659c580d", kill_on_drop: false }`
[INFO] [stdout] 0372db3ac981d66539ba05291eeef5865a46afe17976041c02c64ccb659c580d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22443c52f4867bfc4f992097862db86280d864825a575c150fc2fd175714d06d
[INFO] running `Command { std: "docker" "start" "-a" "22443c52f4867bfc4f992097862db86280d864825a575c150fc2fd175714d06d", 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] [stderr]    Compiling libc v0.2.150
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking os_str_bytes v6.5.1
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[INFO] [stderr]     Checking pasta_curves v0.5.1
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[INFO] [stderr]     Checking clap_lex v0.2.4
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[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
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[INFO] [stderr]     Checking halo2_poseidon v0.1.0 (/opt/rustwide/workdir/halo2_poseidon)
[INFO] [stderr]     Checking halo2_poseidon2 v0.1.0 (/opt/rustwide/workdir/halo2_poseidon2)
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking quick-xml v0.23.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling pprof v0.8.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking rusty-fork v0.3.0
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[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking tiff v0.7.4
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking halo2_proofs v0.3.1 (/opt/rustwide/workdir/halo2_proofs)
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> halo2_proofs/src/multicore.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     join, scope, Scope,
[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 doc comment
[INFO] [stdout]    --> halo2_proofs/src/dev/cost.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             /// Any cells assigned outside of a region.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 106 |             loose_cells: vec![],
[INFO] [stdout]     |             ------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> halo2_proofs/src/dev/cost.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             /// Pairs of cells between which we have equality constraints.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 108 |             equality: vec![],
[INFO] [stdout]     |             ---------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> halo2_proofs/src/dev/cost.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             /// Selector assignments used for optimization pass
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 110 |             selectors: vec![vec![false; n]; num_selectors],
[INFO] [stdout]     |             ---------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking exr v1.7.0
[INFO] [stderr]     Checking inferno v0.11.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking image v0.24.4
[INFO] [stdout] warning: struct `PointIndex` is never constructed
[INFO] [stdout]    --> halo2_proofs/src/plonk/circuit.rs:797:19
[INFO] [stdout]     |
[INFO] [stdout] 797 | pub(crate) struct PointIndex(pub usize);
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> halo2_proofs/src/plonk/vanishing/verifier.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         params: &Params<C>,
[INFO] [stdout]    |                 ^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 96 |     ) -> Evaluated<C> {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     ) -> Evaluated<'_, C> {
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> halo2_proofs/src/poly/commitment.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn empty_msm(&self) -> MSM<C> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn empty_msm(&self) -> MSM<'_, C> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking halo2_gadgets v0.3.1 (/opt/rustwide/workdir/halo2_gadgets)
[INFO] [stderr]     Checking halo2 v0.1.0-beta.2 (/opt/rustwide/workdir/halo2)
[INFO] [stdout] warning: struct `Variable` is never constructed
[INFO] [stdout]   --> halo2_proofs/tests/plonk_api.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub struct Variable(Column<Advice>, usize);
[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 `Variable` is never constructed
[INFO] [stdout]   --> halo2_proofs/benches/plonk.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub struct Variable(Column<Advice>, usize);
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> halo2_proofs/src/multicore.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     join, scope, Scope,
[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 doc comment
[INFO] [stdout]    --> halo2_proofs/src/dev/cost.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             /// Any cells assigned outside of a region.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 106 |             loose_cells: vec![],
[INFO] [stdout]     |             ------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> halo2_proofs/src/dev/cost.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             /// Pairs of cells between which we have equality constraints.
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 108 |             equality: vec![],
[INFO] [stdout]     |             ---------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> halo2_proofs/src/dev/cost.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             /// Selector assignments used for optimization pass
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 110 |             selectors: vec![vec![false; n]; num_selectors],
[INFO] [stdout]     |             ---------------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PointIndex` is never constructed
[INFO] [stdout]    --> halo2_proofs/src/plonk/circuit.rs:797:19
[INFO] [stdout]     |
[INFO] [stdout] 797 | pub(crate) struct PointIndex(pub usize);
[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 `MyQuery` is never constructed
[INFO] [stdout]    --> halo2_proofs/src/poly/multiopen.rs:488:12
[INFO] [stdout]     |
[INFO] [stdout] 488 |     struct MyQuery<F> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> halo2_proofs/src/plonk/vanishing/verifier.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         params: &Params<C>,
[INFO] [stdout]    |                 ^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 96 |     ) -> Evaluated<C> {
[INFO] [stdout]    |          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 96 |     ) -> Evaluated<'_, C> {
[INFO] [stdout]    |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> halo2_proofs/src/poly/commitment.rs:154:22
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn empty_msm(&self) -> MSM<C> {
[INFO] [stdout]     |                      ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn empty_msm(&self) -> MSM<'_, C> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.77s
[INFO] running `Command { std: "docker" "inspect" "22443c52f4867bfc4f992097862db86280d864825a575c150fc2fd175714d06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22443c52f4867bfc4f992097862db86280d864825a575c150fc2fd175714d06d", kill_on_drop: false }`
[INFO] [stdout] 22443c52f4867bfc4f992097862db86280d864825a575c150fc2fd175714d06d
