[INFO] fetching crate test-dalek-docs 4.0.0-pre.5...
[INFO] building test-dalek-docs-4.0.0-pre.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate test-dalek-docs 4.0.0-pre.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate test-dalek-docs 4.0.0-pre.5
[INFO] finished tweaking crates.io crate test-dalek-docs 4.0.0-pre.5
[INFO] tweaked toml for crates.io crate test-dalek-docs 4.0.0-pre.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate test-dalek-docs 4.0.0-pre.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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 92 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding fiat-crypto v0.1.20 (available: v0.3.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.9.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f495ddb4d45e7235370b910ec639feb12d3ade906bf8275de39f01d5eaa5bf8
[INFO] running `Command { std: "docker" "start" "-a" "7f495ddb4d45e7235370b910ec639feb12d3ade906bf8275de39f01d5eaa5bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f495ddb4d45e7235370b910ec639feb12d3ade906bf8275de39f01d5eaa5bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f495ddb4d45e7235370b910ec639feb12d3ade906bf8275de39f01d5eaa5bf8", kill_on_drop: false }`
[INFO] [stdout] 7f495ddb4d45e7235370b910ec639feb12d3ade906bf8275de39f01d5eaa5bf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d16d3836b10b666377218f088fd9772b43d6e697521be2a4223d8488da2ce450
[INFO] running `Command { std: "docker" "start" "-a" "d16d3836b10b666377218f088fd9772b43d6e697521be2a4223d8488da2ce450", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling test-dalek-docs v4.0.0-pre.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         pub use crate::backend::serial::u64::field::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ValidityCheck` is never used
[INFO] [stdout]    --> src/traits.rs:400:18
[INFO] [stdout]     |
[INFO] [stdout] 400 | pub(crate) trait ValidityCheck {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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:950:77
[INFO] [stdout]     |
[INFO] [stdout] 950 |         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] 950 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 950 +         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] 457 + #[derive(Clone)]
[INFO] [stdout] 458 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "d16d3836b10b666377218f088fd9772b43d6e697521be2a4223d8488da2ce450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16d3836b10b666377218f088fd9772b43d6e697521be2a4223d8488da2ce450", kill_on_drop: false }`
[INFO] [stdout] d16d3836b10b666377218f088fd9772b43d6e697521be2a4223d8488da2ce450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb50bc48e452c772d9e6696419f43a2f0bf0f8dfd4a19fc47b127f9cfe6e1381
[INFO] running `Command { std: "docker" "start" "-a" "bb50bc48e452c772d9e6696419f43a2f0bf0f8dfd4a19fc47b127f9cfe6e1381", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling test-dalek-docs v4.0.0-pre.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stdout] warning: unused import: `crate::backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         pub use crate::backend::serial::u64::field::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ValidityCheck` is never used
[INFO] [stdout]    --> src/traits.rs:400:18
[INFO] [stdout]     |
[INFO] [stdout] 400 | pub(crate) trait ValidityCheck {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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:950:77
[INFO] [stdout]     |
[INFO] [stdout] 950 |         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] 950 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 950 +         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] 457 + #[derive(Clone)]
[INFO] [stdout] 458 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::serial::u64::field::*`
[INFO] [stdout]   --> src/field.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         pub use crate::backend::serial::u64::field::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) 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:950:77
[INFO] [stdout]     |
[INFO] [stdout] 950 |         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] 950 -         let extended_points = points.into_iter().map(|opt_P| opt_P.map(|P| P.borrow().0));
[INFO] [stdout] 950 +         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] 457 + #[derive(Clone)]
[INFO] [stdout] 458 | pub struct RistrettoPoint(pub(crate) EdwardsPoint);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `Command { std: "docker" "inspect" "bb50bc48e452c772d9e6696419f43a2f0bf0f8dfd4a19fc47b127f9cfe6e1381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb50bc48e452c772d9e6696419f43a2f0bf0f8dfd4a19fc47b127f9cfe6e1381", kill_on_drop: false }`
[INFO] [stdout] bb50bc48e452c772d9e6696419f43a2f0bf0f8dfd4a19fc47b127f9cfe6e1381