[INFO] crate fil-sapling-crypto 0.1.1 is already in cache
[INFO] checking fil-sapling-crypto-0.1.1 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate fil-sapling-crypto 0.1.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate fil-sapling-crypto 0.1.1 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fil-sapling-crypto 0.1.1
[INFO] finished tweaking crates.io crate fil-sapling-crypto 0.1.1
[INFO] tweaked toml for crates.io crate fil-sapling-crypto 0.1.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fil-sapling-crypto 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 60b0c2b6cdd04751b3403945fe47cc5f2e5d53fa09008d5282ec8897f77f3cab
[INFO] running `"docker" "start" "-a" "60b0c2b6cdd04751b3403945fe47cc5f2e5d53fa09008d5282ec8897f77f3cab"`
[INFO] [stderr]     Checking blake2b_simd v0.4.1
[INFO] [stderr]     Checking blake2b_simd v0.5.5
[INFO] [stderr]     Checking blake2s_simd v0.5.5
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]    Compiling ff_derive v0.3.0
[INFO] [stderr]     Checking ff v0.4.0
[INFO] [stderr]     Checking paired v0.15.0
[INFO] [stderr]     Checking bellperson v0.2.0
[INFO] [stderr]     Checking fil-sapling-crypto v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/circuit/pedersen_hash.rs:214:21
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let mut input: Vec<bool> = (0..length).map(|_| rng.gen()).collect();
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.40s
[INFO] running `"docker" "inspect" "60b0c2b6cdd04751b3403945fe47cc5f2e5d53fa09008d5282ec8897f77f3cab"`
[INFO] running `"docker" "rm" "-f" "60b0c2b6cdd04751b3403945fe47cc5f2e5d53fa09008d5282ec8897f77f3cab"`
[INFO] [stdout] 60b0c2b6cdd04751b3403945fe47cc5f2e5d53fa09008d5282ec8897f77f3cab