[INFO] updating cached repository https://github.com/Abstrakten/BitSeach
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df6ab90433ff02ec0a427df751dbff5087fd02f5
[INFO] checking Abstrakten/BitSeach against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbstrakten%2FBitSeach" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Abstrakten/BitSeach 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 git repo https://github.com/Abstrakten/BitSeach
[INFO] finished tweaking git repo https://github.com/Abstrakten/BitSeach
[INFO] tweaked toml for git repo https://github.com/Abstrakten/BitSeach written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Abstrakten/BitSeach 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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] dba64d9df28e3ff2915280d8b32ce697afa864f79710e541067b1acc533fb2d1
[INFO] running `"docker" "start" "-a" "dba64d9df28e3ff2915280d8b32ce697afa864f79710e541067b1acc533fb2d1"`
[INFO] [stderr]     Checking bitvec v0.10.0
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bit_search`
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / fn bit_search<'a>(
[INFO] [stderr] 22 | |     needle: &'a BitSlice,
[INFO] [stderr] 23 | |     haystack: &'a BitSlice,
[INFO] [stderr] 24 | | ) -> impl Iterator<Item = usize> + 'a {
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |         .map(|(index, _)| index)
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `"docker" "inspect" "dba64d9df28e3ff2915280d8b32ce697afa864f79710e541067b1acc533fb2d1"`
[INFO] running `"docker" "rm" "-f" "dba64d9df28e3ff2915280d8b32ce697afa864f79710e541067b1acc533fb2d1"`
[INFO] [stdout] dba64d9df28e3ff2915280d8b32ce697afa864f79710e541067b1acc533fb2d1