[INFO] crate curve25519-dalek 1.2.3 is already in cache
[INFO] checking curve25519-dalek-1.2.3 against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] extracting crate curve25519-dalek 1.2.3 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate curve25519-dalek 1.2.3 on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate curve25519-dalek 1.2.3
[INFO] finished tweaking crates.io crate curve25519-dalek 1.2.3
[INFO] tweaked toml for crates.io crate curve25519-dalek 1.2.3 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 29bc33f2fd2fd731b57224cb23d5b6775662c56057a7acd648d2658104a65b50
[INFO] running `"docker" "start" "-a" "29bc33f2fd2fd731b57224cb23d5b6775662c56057a7acd648d2658104a65b50"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `tmp2` is never read
[INFO] [stderr]   --> src/backend/serial/scalar_mul/variable_base.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut tmp2 = ProjectivePoint::identity();
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ValidityCheck`
[INFO] [stderr]     --> src/ristretto.rs:1084:28
[INFO] [stderr]      |
[INFO] [stderr] 1084 |     use traits::{Identity, ValidityCheck};
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp2` is never read
[INFO] [stderr]   --> src/backend/serial/scalar_mul/variable_base.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut tmp2 = ProjectivePoint::identity();
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp2` is never read
[INFO] [stderr]   --> src/backend/serial/scalar_mul/variable_base.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut tmp2 = ProjectivePoint::identity();
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `curve25519_dalek::edwards`
[INFO] [stderr]   --> benches/dalek_benchmarks.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use curve25519_dalek::edwards;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `curve25519_dalek::edwards`
[INFO] [stderr]   --> benches/dalek_benchmarks.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     use curve25519_dalek::edwards;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct`
[INFO] [stderr]   --> benches/dalek_benchmarks.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn construct(n: usize) -> (Vec<Scalar>, Vec<EdwardsPoint>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `"docker" "inspect" "29bc33f2fd2fd731b57224cb23d5b6775662c56057a7acd648d2658104a65b50"`
[INFO] running `"docker" "rm" "-f" "29bc33f2fd2fd731b57224cb23d5b6775662c56057a7acd648d2658104a65b50"`
[INFO] [stdout] 29bc33f2fd2fd731b57224cb23d5b6775662c56057a7acd648d2658104a65b50