[INFO] fetching crate curve25519-entropic 3.2.1...
[INFO] checking curve25519-entropic-3.2.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate curve25519-entropic 3.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate curve25519-entropic 3.2.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curve25519-entropic 3.2.1
[INFO] finished tweaking crates.io crate curve25519-entropic 3.2.1
[INFO] tweaked toml for crates.io crate curve25519-entropic 3.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 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 fiat-crypto v0.1.20 (latest: v0.2.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[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 rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[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 v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding zeroize v1.5.5 (latest: v1.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.5.5
[INFO] [stderr]   Downloaded fiat-crypto v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06d560e5d7e124eb1799d52541c95fd43331a9a90c14fc3a03c8670d40783829
[INFO] running `Command { std: "docker" "start" "-a" "06d560e5d7e124eb1799d52541c95fd43331a9a90c14fc3a03c8670d40783829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06d560e5d7e124eb1799d52541c95fd43331a9a90c14fc3a03c8670d40783829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d560e5d7e124eb1799d52541c95fd43331a9a90c14fc3a03c8670d40783829", kill_on_drop: false }`
[INFO] [stdout] 06d560e5d7e124eb1799d52541c95fd43331a9a90c14fc3a03c8670d40783829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45ef2730aa52bf151671232ed0d15916088ead59bde1b0729f3811152a397aa5
[INFO] running `Command { std: "docker" "start" "-a" "45ef2730aa52bf151671232ed0d15916088ead59bde1b0729f3811152a397aa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[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 zeroize v1.5.5
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[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-entropic v3.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                 ^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:18:5
[INFO] [stdout]     |
[INFO] [stdout] 18  | use subtle;
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | 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:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                 ^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub use backend::serial::u64::field::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ValidityCheck` is never used
[INFO] [stdout]    --> src/traits.rs:391:18
[INFO] [stdout]     |
[INFO] [stdout] 391 | 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:916:77
[INFO] [stdout]     |
[INFO] [stdout] 916 |         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] 916 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 916 +         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] 441 + #[derive(Clone)]
[INFO] [stdout] 442 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0463]: can't find crate for `curve25519_dalek`
[INFO] [stdout]   --> benches/dalek_benchmarks.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate curve25519_dalek;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                 ^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:1205:9
[INFO] [stdout]      |
[INFO] [stdout] 1204 |     use super::*;
[INFO] [stdout]      |         -------- the item `constants` is already imported here
[INFO] [stdout] 1205 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/edwards.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | use core::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:1227:9
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     use field::FieldElement;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1231 |     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:1228:9
[INFO] [stdout]      |
[INFO] [stdout] 1228 |     use scalar::Scalar;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1231 |     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:1229:9
[INFO] [stdout]      |
[INFO] [stdout] 1229 |     use subtle::ConditionallySelectable;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1230 |     use constants;
[INFO] [stdout] 1231 |     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:1230:9
[INFO] [stdout]      |
[INFO] [stdout] 1230 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 1231 |     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:1108:9
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     use scalar::Scalar;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1112 |     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:1109:9
[INFO] [stdout]      |
[INFO] [stdout] 1109 |     use constants;
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1112 |     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:1111:18
[INFO] [stdout]      |
[INFO] [stdout] 1111 |     use traits::{Identity};
[INFO] [stdout]      |                  ^^^^^^^^
[INFO] [stdout] 1112 |     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:18:5
[INFO] [stdout]     |
[INFO] [stdout] 18  | use subtle;
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | 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:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                 ^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/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:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | 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:297:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |     use field::*;
[INFO] [stdout]     |         -------- the item `ConditionallyNegatable` is already imported here
[INFO] [stdout] 297 |     use subtle::ConditionallyNegatable;
[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] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `curve25519-entropic` (bench "dalek_benchmarks") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/ristretto.rs:916:77
[INFO] [stdout]     |
[INFO] [stdout] 916 |         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] 916 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 916 +         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] 441 + #[derive(Clone)]
[INFO] [stdout] 442 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45ef2730aa52bf151671232ed0d15916088ead59bde1b0729f3811152a397aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ef2730aa52bf151671232ed0d15916088ead59bde1b0729f3811152a397aa5", kill_on_drop: false }`
[INFO] [stdout] 45ef2730aa52bf151671232ed0d15916088ead59bde1b0729f3811152a397aa5
[INFO] checking curve25519-entropic-3.2.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] extracting crate curve25519-entropic 3.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate curve25519-entropic 3.2.1 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curve25519-entropic 3.2.1
[INFO] finished tweaking crates.io crate curve25519-entropic 3.2.1
[INFO] tweaked toml for crates.io crate curve25519-entropic 3.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0786f1ec12803d17a0cb75f664485eeb059e08bcc47c19d2a09ea2a0eaf08f34
[INFO] running `Command { std: "docker" "start" "-a" "0786f1ec12803d17a0cb75f664485eeb059e08bcc47c19d2a09ea2a0eaf08f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0786f1ec12803d17a0cb75f664485eeb059e08bcc47c19d2a09ea2a0eaf08f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0786f1ec12803d17a0cb75f664485eeb059e08bcc47c19d2a09ea2a0eaf08f34", kill_on_drop: false }`
[INFO] [stdout] 0786f1ec12803d17a0cb75f664485eeb059e08bcc47c19d2a09ea2a0eaf08f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09634408fdb087d8072273a2c71d39a61a2a9510135755c6af182365effb713
[INFO] running `Command { std: "docker" "start" "-a" "d09634408fdb087d8072273a2c71d39a61a2a9510135755c6af182365effb713", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "d09634408fdb087d8072273a2c71d39a61a2a9510135755c6af182365effb713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09634408fdb087d8072273a2c71d39a61a2a9510135755c6af182365effb713", kill_on_drop: false }`
[INFO] [stdout] d09634408fdb087d8072273a2c71d39a61a2a9510135755c6af182365effb713