[INFO] crate curve25519-dalek 1.2.1 is already in cache
[INFO] extracting crate curve25519-dalek 1.2.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/curve25519-dalek/1.2.1
[INFO] extracting crate curve25519-dalek 1.2.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/curve25519-dalek/1.2.1
[INFO] validating manifest of curve25519-dalek-1.2.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of curve25519-dalek-1.2.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing curve25519-dalek-1.2.1
[INFO] finished frobbing curve25519-dalek-1.2.1
[INFO] frobbed toml for curve25519-dalek-1.2.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/curve25519-dalek/1.2.1/Cargo.toml
[INFO] started frobbing curve25519-dalek-1.2.1
[INFO] finished frobbing curve25519-dalek-1.2.1
[INFO] frobbed toml for curve25519-dalek-1.2.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/curve25519-dalek/1.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking curve25519-dalek-1.2.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/curve25519-dalek/1.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1507b652e9bb9b8057120b97bf6e64fe383aad90e9f5e5ad19e233060fa3facd
[INFO] running `"docker" "start" "-a" "1507b652e9bb9b8057120b97bf6e64fe383aad90e9f5e5ad19e233060fa3facd"`
[INFO] [stderr]    Compiling curve25519-dalek v1.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking criterion v0.2.11
[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: `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: 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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `"docker" "inspect" "1507b652e9bb9b8057120b97bf6e64fe383aad90e9f5e5ad19e233060fa3facd"`
[INFO] running `"docker" "rm" "-f" "1507b652e9bb9b8057120b97bf6e64fe383aad90e9f5e5ad19e233060fa3facd"`
[INFO] [stdout] 1507b652e9bb9b8057120b97bf6e64fe383aad90e9f5e5ad19e233060fa3facd