[INFO] fetching crate bellman_ce 0.8.0...
[INFO] checking bellman_ce-0.8.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate bellman_ce 0.8.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bellman_ce 0.8.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bellman_ce 0.8.0
[INFO] finished tweaking crates.io crate bellman_ce 0.8.0
[INFO] tweaked toml for crates.io crate bellman_ce 0.8.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.6)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.6)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.8.0)
[INFO] [stderr]       Adding blake2s_simd v0.5.11 (latest: v1.0.2)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.1)
[INFO] [stderr]       Adding crossbeam v0.7.3 (latest: v0.8.4)
[INFO] [stderr]       Adding crossbeam-channel v0.4.4 (latest: v0.5.13)
[INFO] [stderr]       Adding crossbeam-deque v0.7.4 (latest: v0.8.5)
[INFO] [stderr]       Adding crossbeam-epoch v0.8.2 (latest: v0.9.18)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.20)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding tiny-keccak v1.5.0 (latest: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `futures` dependency)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff_derive_ce v0.11.2
[INFO] [stderr]   Downloaded ff_ce v0.14.3
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded blake2s_const v0.8.0
[INFO] [stderr]   Downloaded blake2s_simd v0.5.11
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded prefetch v0.2.0
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded pairing_ce v0.28.6
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 184833c37e10578e7bc88fe427338e2a9fe471110a78dfe2274925deba884d68
[INFO] running `Command { std: "docker" "start" "-a" "184833c37e10578e7bc88fe427338e2a9fe471110a78dfe2274925deba884d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184833c37e10578e7bc88fe427338e2a9fe471110a78dfe2274925deba884d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184833c37e10578e7bc88fe427338e2a9fe471110a78dfe2274925deba884d68", kill_on_drop: false }`
[INFO] [stdout] 184833c37e10578e7bc88fe427338e2a9fe471110a78dfe2274925deba884d68
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38bc4bacf181d80a4f9413e315bbaa5b3699bd6e91d3eaa5e43ee1139cac4526
[INFO] running `Command { std: "docker" "start" "-a" "38bc4bacf181d80a4f9413e315bbaa5b3699bd6e91d3eaa5e43ee1139cac4526", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `futures` dependency)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking blake2s_const v0.8.0
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling ff_derive_ce v0.11.2
[INFO] [stderr]     Checking ff_ce v0.14.3
[INFO] [stderr]     Checking pairing_ce v0.28.6
[INFO] [stderr]     Checking bellman_ce v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::pairing::ff as ff;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `ff` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use pairing::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::pairing::ff as ff;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]  --> src/log.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[allow(unused_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if`
[INFO] [stdout]  --> src/log.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_if! {
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/plonk/fft/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(feature = "nightly")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/plonk/fft/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(feature = "nightly")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/plonk/fft/mod.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(feature = "nightly")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/plonk/fft/mod.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if #[cfg(feature = "nightly")] {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::pairing::ff as ff;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `ff` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use pairing::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::pairing::ff as ff;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `allow`
[INFO] [stdout]  --> src/log.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[allow(unused_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if`
[INFO] [stdout]  --> src/log.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | cfg_if! {
[INFO] [stdout]   | ^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/plonk/fft/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(feature = "nightly")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/plonk/fft/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(feature = "nightly")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/plonk/fft/mod.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(feature = "nightly")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/plonk/fft/mod.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if #[cfg(feature = "nightly")] {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `allocator`, `asm`, `blake2-rfc`, `blake2s_const`, `crossbeam`, `default`, `gm17`, `lazy_static`, `marlin`, `multicore`, `nolog`, `plonk`, `prefetch`, `redshift`, `sonic`, `tiny-keccak`, `wasm`, and `web-sys`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]    --> src/plonk/prover/mod.rs:654:13
[INFO] [stdout]     |
[INFO] [stdout] 654 | type Iop<E: Engine> = TrivialBlake2sIOP<E::Fr>;
[INFO] [stdout]     |             ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]             see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]     = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] 654 - type Iop<E: Engine> = TrivialBlake2sIOP<E::Fr>;
[INFO] [stdout] 654 + type Iop<E> = TrivialBlake2sIOP<E::Fr>;
[INFO] [stdout]     |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]     |
[INFO] [stdout] 654 | type Iop<E: Engine> = TrivialBlake2sIOP<<E as /* Trait */>::Fr>;
[INFO] [stdout]     |                                         +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]    --> src/plonk/prover/mod.rs:655:13
[INFO] [stdout]     |
[INFO] [stdout] 655 | type Fri<E: Engine> = NaiveFriIop<E::Fr, Iop<E>>;
[INFO] [stdout]     |             ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]             see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]     = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] 655 - type Fri<E: Engine> = NaiveFriIop<E::Fr, Iop<E>>;
[INFO] [stdout] 655 + type Fri<E> = NaiveFriIop<E::Fr, Iop<E>>;
[INFO] [stdout]     |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]     |
[INFO] [stdout] 655 | type Fri<E: Engine> = NaiveFriIop<<E as /* Trait */>::Fr, Iop<E>>;
[INFO] [stdout]     |                                   +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/cs.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |             drop(lde);
[INFO] [stdout]     |             ^^^^^---^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&&data_structures::PolynomialProxy<'_, <E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 522 -             drop(lde);
[INFO] [stdout] 522 +             let _ = lde;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/cs.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         drop(lde_without_dilation);
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `std::option::Option<&data_structures::PolynomialProxy<'_, <E as ScalarEngine>::Fr, polynomials::Values>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 529 -         drop(lde_without_dilation);
[INFO] [stdout] 529 +         let _ = lde_without_dilation;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/proof/mod.rs:1269:17
[INFO] [stdout]      |
[INFO] [stdout] 1269 |                 drop(a_ref);
[INFO] [stdout]      |                 ^^^^^-----^
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1269 -                 drop(a_ref);
[INFO] [stdout] 1269 +                 let _ = a_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/proof/mod.rs:1282:17
[INFO] [stdout]      |
[INFO] [stdout] 1282 |                 drop(b_ref);
[INFO] [stdout]      |                 ^^^^^-----^
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1282 -                 drop(b_ref);
[INFO] [stdout] 1282 +                 let _ = b_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/proof/mod.rs:1292:17
[INFO] [stdout]      |
[INFO] [stdout] 1292 |                 drop(c_ref);
[INFO] [stdout]      |                 ^^^^^-----^
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1292 -                 drop(c_ref);
[INFO] [stdout] 1292 +                 let _ = c_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         drop(constants_poly_ref);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Coefficients>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 454 -         drop(constants_poly_ref);
[INFO] [stdout] 454 +         let _ = constants_poly_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         drop(q_a_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 494 -         drop(q_a_ref);
[INFO] [stdout] 494 +         let _ = q_a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 495 -         drop(a_ref);
[INFO] [stdout] 495 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         drop(q_b_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 509 -         drop(q_b_ref);
[INFO] [stdout] 509 +         let _ = q_b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 510 -         drop(b_ref);
[INFO] [stdout] 510 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         drop(q_c_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 524 -         drop(q_c_ref);
[INFO] [stdout] 524 +         let _ = q_c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |         drop(c_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 525 -         drop(c_ref);
[INFO] [stdout] 525 +         let _ = c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         drop(q_d_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 539 -         drop(q_d_ref);
[INFO] [stdout] 539 +         let _ = q_d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         drop(d_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 540 -         drop(d_ref);
[INFO] [stdout] 540 +         let _ = d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         drop(q_m_ab_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 559 -         drop(q_m_ab_ref);
[INFO] [stdout] 559 +         let _ = q_m_ab_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:560:9
[INFO] [stdout]     |
[INFO] [stdout] 560 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 560 -         drop(a_ref);
[INFO] [stdout] 560 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 561 -         drop(b_ref);
[INFO] [stdout] 561 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |         drop(q_m_ac_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 580 -         drop(q_m_ac_ref);
[INFO] [stdout] 580 +         let _ = q_m_ac_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:581:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 581 -         drop(a_ref);
[INFO] [stdout] 581 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |         drop(c_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 582 -         drop(c_ref);
[INFO] [stdout] 582 +         let _ = c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:596:9
[INFO] [stdout]     |
[INFO] [stdout] 596 |         drop(q_d_next_ref);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 596 -         drop(q_d_next_ref);
[INFO] [stdout] 596 +         let _ = q_d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         drop(d_next_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 597 -         drop(d_next_ref);
[INFO] [stdout] 597 +         let _ = d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         drop(constants_poly_ref);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Coefficients>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 432 -         drop(constants_poly_ref);
[INFO] [stdout] 432 +         let _ = constants_poly_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:472:9
[INFO] [stdout]     |
[INFO] [stdout] 472 |         drop(q_a_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 472 -         drop(q_a_ref);
[INFO] [stdout] 472 +         let _ = q_a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:473:9
[INFO] [stdout]     |
[INFO] [stdout] 473 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 473 -         drop(a_ref);
[INFO] [stdout] 473 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         drop(q_b_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 487 -         drop(q_b_ref);
[INFO] [stdout] 487 +         let _ = q_b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:488:9
[INFO] [stdout]     |
[INFO] [stdout] 488 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 488 -         drop(b_ref);
[INFO] [stdout] 488 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 502 |         drop(q_c_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 502 -         drop(q_c_ref);
[INFO] [stdout] 502 +         let _ = q_c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         drop(c_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 503 -         drop(c_ref);
[INFO] [stdout] 503 +         let _ = c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |         drop(q_d_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 517 -         drop(q_d_ref);
[INFO] [stdout] 517 +         let _ = q_d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         drop(d_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 518 -         drop(d_ref);
[INFO] [stdout] 518 +         let _ = d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:537:9
[INFO] [stdout]     |
[INFO] [stdout] 537 |         drop(q_m_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 537 -         drop(q_m_ref);
[INFO] [stdout] 537 +         let _ = q_m_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 538 -         drop(a_ref);
[INFO] [stdout] 538 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 539 -         drop(b_ref);
[INFO] [stdout] 539 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:553:9
[INFO] [stdout]     |
[INFO] [stdout] 553 |         drop(q_d_next_ref);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 553 -         drop(q_d_next_ref);
[INFO] [stdout] 553 +         let _ = q_d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         drop(d_next_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 554 -         drop(d_next_ref);
[INFO] [stdout] 554 +         let _ = d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]    --> src/plonk/prover/mod.rs:654:13
[INFO] [stdout]     |
[INFO] [stdout] 654 | type Iop<E: Engine> = TrivialBlake2sIOP<E::Fr>;
[INFO] [stdout]     |             ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]             see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]     = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] 654 - type Iop<E: Engine> = TrivialBlake2sIOP<E::Fr>;
[INFO] [stdout] 654 + type Iop<E> = TrivialBlake2sIOP<E::Fr>;
[INFO] [stdout]     |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]     |
[INFO] [stdout] 654 | type Iop<E: Engine> = TrivialBlake2sIOP<<E as /* Trait */>::Fr>;
[INFO] [stdout]     |                                         +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]    --> src/plonk/prover/mod.rs:655:13
[INFO] [stdout]     |
[INFO] [stdout] 655 | type Fri<E: Engine> = NaiveFriIop<E::Fr, Iop<E>>;
[INFO] [stdout]     |             ^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]             see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]     = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] 655 - type Fri<E: Engine> = NaiveFriIop<E::Fr, Iop<E>>;
[INFO] [stdout] 655 + type Fri<E> = NaiveFriIop<E::Fr, Iop<E>>;
[INFO] [stdout]     |
[INFO] [stdout] help: fully qualify this associated type
[INFO] [stdout]     |
[INFO] [stdout] 655 | type Fri<E: Engine> = NaiveFriIop<<E as /* Trait */>::Fr, Iop<E>>;
[INFO] [stdout]     |                                   +  +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/cs.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 522 |             drop(lde);
[INFO] [stdout]     |             ^^^^^---^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&&data_structures::PolynomialProxy<'_, <E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 522 -             drop(lde);
[INFO] [stdout] 522 +             let _ = lde;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/cs.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |         drop(lde_without_dilation);
[INFO] [stdout]     |         ^^^^^--------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `std::option::Option<&data_structures::PolynomialProxy<'_, <E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 529 -         drop(lde_without_dilation);
[INFO] [stdout] 529 +         let _ = lde_without_dilation;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/cs.rs:3771:13
[INFO] [stdout]      |
[INFO] [stdout] 3771 |             drop(a_ref);
[INFO] [stdout]      |             ^^^^^-----^
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 3771 -             drop(a_ref);
[INFO] [stdout] 3771 +             let _ = a_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/proof/mod.rs:1269:17
[INFO] [stdout]      |
[INFO] [stdout] 1269 |                 drop(a_ref);
[INFO] [stdout]      |                 ^^^^^-----^
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1269 -                 drop(a_ref);
[INFO] [stdout] 1269 +                 let _ = a_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/proof/mod.rs:1282:17
[INFO] [stdout]      |
[INFO] [stdout] 1282 |                 drop(b_ref);
[INFO] [stdout]      |                 ^^^^^-----^
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1282 -                 drop(b_ref);
[INFO] [stdout] 1282 +                 let _ = b_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/plonk/better_better_cs/proof/mod.rs:1292:17
[INFO] [stdout]      |
[INFO] [stdout] 1292 |                 drop(c_ref);
[INFO] [stdout]      |                 ^^^^^-----^
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1292 -                 drop(c_ref);
[INFO] [stdout] 1292 +                 let _ = c_ref;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         drop(constants_poly_ref);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Coefficients>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 454 -         drop(constants_poly_ref);
[INFO] [stdout] 454 +         let _ = constants_poly_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         drop(q_a_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 494 -         drop(q_a_ref);
[INFO] [stdout] 494 +         let _ = q_a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 495 -         drop(a_ref);
[INFO] [stdout] 495 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         drop(q_b_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 509 -         drop(q_b_ref);
[INFO] [stdout] 509 +         let _ = q_b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 510 -         drop(b_ref);
[INFO] [stdout] 510 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         drop(q_c_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 524 -         drop(q_c_ref);
[INFO] [stdout] 524 +         let _ = q_c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |         drop(c_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 525 -         drop(c_ref);
[INFO] [stdout] 525 +         let _ = c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         drop(q_d_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 539 -         drop(q_d_ref);
[INFO] [stdout] 539 +         let _ = q_d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         drop(d_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 540 -         drop(d_ref);
[INFO] [stdout] 540 +         let _ = d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         drop(q_m_ab_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 559 -         drop(q_m_ab_ref);
[INFO] [stdout] 559 +         let _ = q_m_ab_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:560:9
[INFO] [stdout]     |
[INFO] [stdout] 560 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 560 -         drop(a_ref);
[INFO] [stdout] 560 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 561 -         drop(b_ref);
[INFO] [stdout] 561 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |         drop(q_m_ac_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 580 -         drop(q_m_ac_ref);
[INFO] [stdout] 580 +         let _ = q_m_ac_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:581:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 581 -         drop(a_ref);
[INFO] [stdout] 581 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |         drop(c_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 582 -         drop(c_ref);
[INFO] [stdout] 582 +         let _ = c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:596:9
[INFO] [stdout]     |
[INFO] [stdout] 596 |         drop(q_d_next_ref);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 596 -         drop(q_d_next_ref);
[INFO] [stdout] 596 +         let _ = q_d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/selector_optimized_with_d_next.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |         drop(d_next_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 597 -         drop(d_next_ref);
[INFO] [stdout] 597 +         let _ = d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         drop(constants_poly_ref);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Coefficients>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 432 -         drop(constants_poly_ref);
[INFO] [stdout] 432 +         let _ = constants_poly_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:472:9
[INFO] [stdout]     |
[INFO] [stdout] 472 |         drop(q_a_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 472 -         drop(q_a_ref);
[INFO] [stdout] 472 +         let _ = q_a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:473:9
[INFO] [stdout]     |
[INFO] [stdout] 473 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 473 -         drop(a_ref);
[INFO] [stdout] 473 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         drop(q_b_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 487 -         drop(q_b_ref);
[INFO] [stdout] 487 +         let _ = q_b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:488:9
[INFO] [stdout]     |
[INFO] [stdout] 488 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 488 -         drop(b_ref);
[INFO] [stdout] 488 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:502:9
[INFO] [stdout]     |
[INFO] [stdout] 502 |         drop(q_c_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 502 -         drop(q_c_ref);
[INFO] [stdout] 502 +         let _ = q_c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:503:9
[INFO] [stdout]     |
[INFO] [stdout] 503 |         drop(c_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 503 -         drop(c_ref);
[INFO] [stdout] 503 +         let _ = c_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:517:9
[INFO] [stdout]     |
[INFO] [stdout] 517 |         drop(q_d_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 517 -         drop(q_d_ref);
[INFO] [stdout] 517 +         let _ = q_d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |         drop(d_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 518 -         drop(d_ref);
[INFO] [stdout] 518 +         let _ = d_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:537:9
[INFO] [stdout]     |
[INFO] [stdout] 537 |         drop(q_m_ref);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 537 -         drop(q_m_ref);
[INFO] [stdout] 537 +         let _ = q_m_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         drop(a_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 538 -         drop(a_ref);
[INFO] [stdout] 538 +         let _ = a_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         drop(b_ref);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 539 -         drop(b_ref);
[INFO] [stdout] 539 +         let _ = b_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:553:9
[INFO] [stdout]     |
[INFO] [stdout] 553 |         drop(q_d_next_ref);
[INFO] [stdout]     |         ^^^^^------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 553 -         drop(q_d_next_ref);
[INFO] [stdout] 553 +         let _ = q_d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/plonk/better_better_cs/gates/main_gate_with_d_next.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 554 |         drop(d_next_ref);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&polynomials::Polynomial<<E as pairing::ff_ce::ScalarEngine>::Fr, polynomials::Values>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 554 -         drop(d_next_ref);
[INFO] [stdout] 554 +         let _ = d_next_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]     --> src/multiexp.rs:1022:13
[INFO] [stdout]      |
[INFO] [stdout] 1022 |         let A = (0..size).map(|_| <Bls12 as Engine>::G1::rand(rng)).collect::<Vec<_>>();
[INFO] [stdout]      |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]     --> src/multiexp.rs:1023:13
[INFO] [stdout]      |
[INFO] [stdout] 1023 |         let B = (0..size).map(|_| <Bls12 as Engine>::G1::rand(rng)).collect::<Vec<_>>();
[INFO] [stdout]      |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]     --> src/multiexp.rs:1027:13
[INFO] [stdout]      |
[INFO] [stdout] 1027 |         let C = (0..size).map(|i| {
[INFO] [stdout]      |             ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]     --> src/multiexp.rs:1047:13
[INFO] [stdout]      |
[INFO] [stdout] 1047 |         let A = (0..size).map(|_| <Bls12 as Engine>::G1::rand(rng)).collect::<Vec<_>>();
[INFO] [stdout]      |             ^ help: convert the identifier to snake case: `a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]     --> src/multiexp.rs:1051:13
[INFO] [stdout]      |
[INFO] [stdout] 1051 |         let B = (0..size).map(|i| {
[INFO] [stdout]      |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_Pippenger_with_small_chunk` should have a snake case name
[INFO] [stdout]     --> src/multiexp.rs:1064:8
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     fn bench_Pippenger_with_small_chunk() {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_pippenger_with_small_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "38bc4bacf181d80a4f9413e315bbaa5b3699bd6e91d3eaa5e43ee1139cac4526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bc4bacf181d80a4f9413e315bbaa5b3699bd6e91d3eaa5e43ee1139cac4526", kill_on_drop: false }`
[INFO] [stdout] 38bc4bacf181d80a4f9413e315bbaa5b3699bd6e91d3eaa5e43ee1139cac4526