[INFO] fetching crate curve25519-dalek-ng 4.1.1...
[INFO] checking curve25519-dalek-ng-4.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate curve25519-dalek-ng 4.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate curve25519-dalek-ng 4.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curve25519-dalek-ng 4.1.1
[INFO] finished tweaking crates.io crate curve25519-dalek-ng 4.1.1
[INFO] tweaked toml for crates.io crate curve25519-dalek-ng 4.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding libm v0.1.4 (latest: v0.2.8)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle-ng v2.5.0
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.8
[INFO] [stderr]   Downloaded libm v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 685653d447b9a486946057e4cd33bdfa6bda540a47f771fa8bfc32080ec3ac9a
[INFO] running `Command { std: "docker" "start" "-a" "685653d447b9a486946057e4cd33bdfa6bda540a47f771fa8bfc32080ec3ac9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685653d447b9a486946057e4cd33bdfa6bda540a47f771fa8bfc32080ec3ac9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685653d447b9a486946057e4cd33bdfa6bda540a47f771fa8bfc32080ec3ac9a", kill_on_drop: false }`
[INFO] [stdout] 685653d447b9a486946057e4cd33bdfa6bda540a47f771fa8bfc32080ec3ac9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 543858be9ca498dd68911f5da06fbc2fd8141d9fa6c1385a5c5c5c98fc1fb971
[INFO] running `Command { std: "docker" "start" "-a" "543858be9ca498dd68911f5da06fbc2fd8141d9fa6c1385a5c5c5c98fc1fb971", kill_on_drop: false }`
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                 ^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Eq` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/edwards.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `subtle` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use subtle;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern crate subtle;
[INFO] [stdout]    | -------------------- the item `subtle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                 ^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use backend::serial::u64::field::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProjectivePoint`
[INFO] [stdout]  --> src/backend/serial/scalar_mul/variable_base.rs:6:59
[INFO] [stdout]   |
[INFO] [stdout] 6 | use backend::serial::curve_models::{ProjectiveNielsPoint, ProjectivePoint};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ValidityCheck` is never used
[INFO] [stdout]    --> src/traits.rs:375:18
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub(crate) trait ValidityCheck {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ristretto.rs:913:77
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `RistrettoPoint` does not implement `Borrow`, so calling `borrow` on `&RistrettoPoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 913 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 913 +         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.0));
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `RistrettoPoint`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 438 + #[derive(Clone)]
[INFO] [stdout] 439 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:122:11
[INFO] [stdout]     |
[INFO] [stdout] 122 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:141:11
[INFO] [stdout]     |
[INFO] [stdout] 141 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct` is never used
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn construct(n: usize) -> (Vec<Scalar>, Vec<EdwardsPoint>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                 ^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Eq` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `constants` is imported redundantly
[INFO] [stdout]     --> src/scalar.rs:1190:9
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     use super::*;
[INFO] [stdout]      |         -------- the item `constants` is already imported here
[INFO] [stdout] 1190 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/edwards.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldElement` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:949:9
[INFO] [stdout]     |
[INFO] [stdout] 949 |     use field::FieldElement;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `FieldElement` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Scalar` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:950:9
[INFO] [stdout]     |
[INFO] [stdout] 950 |     use scalar::Scalar;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `Scalar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConditionallySelectable` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:951:9
[INFO] [stdout]     |
[INFO] [stdout] 951 |     use subtle::ConditionallySelectable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 952 |     use constants;
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `ConditionallySelectable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `constants` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:952:9
[INFO] [stdout]     |
[INFO] [stdout] 952 |     use constants;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `constants` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Scalar` is imported redundantly
[INFO] [stdout]     --> src/ristretto.rs:1089:9
[INFO] [stdout]      |
[INFO] [stdout] 1089 |     use scalar::Scalar;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1093 |     use super::*;
[INFO] [stdout]      |         -------- the item `Scalar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `constants` is imported redundantly
[INFO] [stdout]     --> src/ristretto.rs:1090:9
[INFO] [stdout]      |
[INFO] [stdout] 1090 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1093 |     use super::*;
[INFO] [stdout]      |         -------- the item `constants` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Identity` is imported redundantly
[INFO] [stdout]     --> src/ristretto.rs:1092:18
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     use traits::{Identity};
[INFO] [stdout]      |                  ^^^^^^^^
[INFO] [stdout] 1093 |     use super::*;
[INFO] [stdout]      |         -------- the item `Identity` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `subtle` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use subtle;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern crate subtle;
[INFO] [stdout]    | -------------------- the item `subtle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                 ^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use backend::serial::u64::field::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConditionallyNegatable` is imported redundantly
[INFO] [stdout]    --> src/field.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |     use field::*;
[INFO] [stdout]     |         -------- the item `ConditionallyNegatable` is already imported here
[INFO] [stdout] 281 |     use subtle::ConditionallyNegatable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProjectivePoint`
[INFO] [stdout]  --> src/backend/serial/scalar_mul/variable_base.rs:6:59
[INFO] [stdout]   |
[INFO] [stdout] 6 | use backend::serial::curve_models::{ProjectiveNielsPoint, ProjectivePoint};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Scalar` is imported redundantly
[INFO] [stdout]    --> src/backend/serial/scalar_mul/pippenger.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     use super::*;
[INFO] [stdout]     |         -------- the item `Scalar` is already imported here
[INFO] [stdout] 168 |     use constants;
[INFO] [stdout] 169 |     use scalar::Scalar;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ristretto.rs:913:77
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ristretto::RistrettoPoint` does not implement `Borrow`, so calling `borrow` on `&ristretto::RistrettoPoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 913 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 913 +         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.0));
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `ristretto::RistrettoPoint`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 438 + #[derive(Clone)]
[INFO] [stdout] 439 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "543858be9ca498dd68911f5da06fbc2fd8141d9fa6c1385a5c5c5c98fc1fb971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543858be9ca498dd68911f5da06fbc2fd8141d9fa6c1385a5c5c5c98fc1fb971", kill_on_drop: false }`
[INFO] [stdout] 543858be9ca498dd68911f5da06fbc2fd8141d9fa6c1385a5c5c5c98fc1fb971
[INFO] checking curve25519-dalek-ng-4.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate curve25519-dalek-ng 4.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate curve25519-dalek-ng 4.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curve25519-dalek-ng 4.1.1
[INFO] finished tweaking crates.io crate curve25519-dalek-ng 4.1.1
[INFO] tweaked toml for crates.io crate curve25519-dalek-ng 4.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae8f84e3ba9c42f901cd789fe1ed212bde6930bbf5d1923f1eba28065209508
[INFO] running `Command { std: "docker" "start" "-a" "1ae8f84e3ba9c42f901cd789fe1ed212bde6930bbf5d1923f1eba28065209508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae8f84e3ba9c42f901cd789fe1ed212bde6930bbf5d1923f1eba28065209508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae8f84e3ba9c42f901cd789fe1ed212bde6930bbf5d1923f1eba28065209508", kill_on_drop: false }`
[INFO] [stdout] 1ae8f84e3ba9c42f901cd789fe1ed212bde6930bbf5d1923f1eba28065209508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a44dffc0dcc1d2969e932e4ce6359b1f61efe3d30fb44bffc7b42a725bd7ad
[INFO] running `Command { std: "docker" "start" "-a" "f5a44dffc0dcc1d2969e932e4ce6359b1f61efe3d30fb44bffc7b42a725bd7ad", kill_on_drop: false }`
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                 ^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Eq` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/edwards.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `subtle` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use subtle;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern crate subtle;
[INFO] [stdout]    | -------------------- the item `subtle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                 ^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use backend::serial::u64::field::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProjectivePoint`
[INFO] [stdout]  --> src/backend/serial/scalar_mul/variable_base.rs:6:59
[INFO] [stdout]   |
[INFO] [stdout] 6 | use backend::serial::curve_models::{ProjectiveNielsPoint, ProjectivePoint};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stdout] warning: trait `ValidityCheck` is never used
[INFO] [stdout]    --> src/traits.rs:375:18
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub(crate) trait ValidityCheck {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ristretto.rs:913:77
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `RistrettoPoint` does not implement `Borrow`, so calling `borrow` on `&RistrettoPoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 913 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 913 +         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.0));
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `RistrettoPoint`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 438 + #[derive(Clone)]
[INFO] [stdout] 439 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:122:11
[INFO] [stdout]     |
[INFO] [stdout] 122 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:141:11
[INFO] [stdout]     |
[INFO] [stdout] 141 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:248:11
[INFO] [stdout]     |
[INFO] [stdout] 248 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `criterion::Criterion::<M>::bench_function_over_inputs`: Please use BenchmarkGroups instead.
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:300:11
[INFO] [stdout]     |
[INFO] [stdout] 300 |         c.bench_function_over_inputs(
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct` is never used
[INFO] [stdout]    --> benches/dalek_benchmarks.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn construct(n: usize) -> (Vec<Scalar>, Vec<EdwardsPoint>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                 ^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Eq` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]    --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `constants` is imported redundantly
[INFO] [stdout]     --> src/scalar.rs:1190:9
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     use super::*;
[INFO] [stdout]      |         -------- the item `constants` is already imported here
[INFO] [stdout] 1190 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/edwards.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FieldElement` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:949:9
[INFO] [stdout]     |
[INFO] [stdout] 949 |     use field::FieldElement;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `FieldElement` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Scalar` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:950:9
[INFO] [stdout]     |
[INFO] [stdout] 950 |     use scalar::Scalar;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `Scalar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConditionallySelectable` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:951:9
[INFO] [stdout]     |
[INFO] [stdout] 951 |     use subtle::ConditionallySelectable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 952 |     use constants;
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `ConditionallySelectable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `constants` is imported redundantly
[INFO] [stdout]    --> src/edwards.rs:952:9
[INFO] [stdout]     |
[INFO] [stdout] 952 |     use constants;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 953 |     use super::*;
[INFO] [stdout]     |         -------- the item `constants` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Scalar` is imported redundantly
[INFO] [stdout]     --> src/ristretto.rs:1089:9
[INFO] [stdout]      |
[INFO] [stdout] 1089 |     use scalar::Scalar;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1093 |     use super::*;
[INFO] [stdout]      |         -------- the item `Scalar` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `constants` is imported redundantly
[INFO] [stdout]     --> src/ristretto.rs:1090:9
[INFO] [stdout]      |
[INFO] [stdout] 1090 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1093 |     use super::*;
[INFO] [stdout]      |         -------- the item `constants` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Identity` is imported redundantly
[INFO] [stdout]     --> src/ristretto.rs:1092:18
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     use traits::{Identity};
[INFO] [stdout]      |                  ^^^^^^^^
[INFO] [stdout] 1093 |     use super::*;
[INFO] [stdout]      |         -------- the item `Identity` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `subtle` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use subtle;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | extern crate subtle;
[INFO] [stdout]    | -------------------- the item `subtle` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                 ^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/field.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/core/src/prelude/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub use backend::serial::u64::field::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ConditionallyNegatable` is imported redundantly
[INFO] [stdout]    --> src/field.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |     use field::*;
[INFO] [stdout]     |         -------- the item `ConditionallyNegatable` is already imported here
[INFO] [stdout] 281 |     use subtle::ConditionallyNegatable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProjectivePoint`
[INFO] [stdout]  --> src/backend/serial/scalar_mul/variable_base.rs:6:59
[INFO] [stdout]   |
[INFO] [stdout] 6 | use backend::serial::curve_models::{ProjectiveNielsPoint, ProjectivePoint};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Scalar` is imported redundantly
[INFO] [stdout]    --> src/backend/serial/scalar_mul/pippenger.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     use super::*;
[INFO] [stdout]     |         -------- the item `Scalar` is already imported here
[INFO] [stdout] 168 |     use constants;
[INFO] [stdout] 169 |     use scalar::Scalar;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ristretto.rs:913:77
[INFO] [stdout]     |
[INFO] [stdout] 913 |         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `ristretto::RistrettoPoint` does not implement `Borrow`, so calling `borrow` on `&ristretto::RistrettoPoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 913 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 913 +         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.0));
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `ristretto::RistrettoPoint`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 438 + #[derive(Clone)]
[INFO] [stdout] 439 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "f5a44dffc0dcc1d2969e932e4ce6359b1f61efe3d30fb44bffc7b42a725bd7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a44dffc0dcc1d2969e932e4ce6359b1f61efe3d30fb44bffc7b42a725bd7ad", kill_on_drop: false }`
[INFO] [stdout] f5a44dffc0dcc1d2969e932e4ce6359b1f61efe3d30fb44bffc7b42a725bd7ad