[INFO] updating cached repository zhouyuexie/rust-algorithms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zhouyuexie/rust-algorithms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zhouyuexie/rust-algorithms" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zhouyuexie/rust-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zhouyuexie/rust-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zhouyuexie/rust-algorithms" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zhouyuexie/rust-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zhouyuexie/rust-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 868e92ee26f80d4e5772f4af1c8b257cdc527575
[INFO] sha for GitHub repo zhouyuexie/rust-algorithms: 868e92ee26f80d4e5772f4af1c8b257cdc527575
[INFO] validating manifest of zhouyuexie/rust-algorithms on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zhouyuexie/rust-algorithms on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zhouyuexie/rust-algorithms
[INFO] finished frobbing zhouyuexie/rust-algorithms
[INFO] frobbed toml for zhouyuexie/rust-algorithms written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zhouyuexie/rust-algorithms/Cargo.toml
[INFO] started frobbing zhouyuexie/rust-algorithms
[INFO] finished frobbing zhouyuexie/rust-algorithms
[INFO] frobbed toml for zhouyuexie/rust-algorithms written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/zhouyuexie/rust-algorithms/Cargo.toml
[INFO] crate zhouyuexie/rust-algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zhouyuexie/rust-algorithms against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/zhouyuexie/rust-algorithms:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2c6577639b3bdb3658cd88c5f8e2b4160021a9aefc64775540e05b8de6fa0422
[INFO] running `"docker" "start" "-a" "2c6577639b3bdb3658cd88c5f8e2b4160021a9aefc64775540e05b8de6fa0422"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rust-algorithm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/quick.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let a = quick(&array_value, 0, array_value.len() - 1);
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/quick.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let a = quick(&array_value, 0, array_value.len() - 1);
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `"docker" "inspect" "2c6577639b3bdb3658cd88c5f8e2b4160021a9aefc64775540e05b8de6fa0422"`
[INFO] running `"docker" "rm" "-f" "2c6577639b3bdb3658cd88c5f8e2b4160021a9aefc64775540e05b8de6fa0422"`
[INFO] [stdout] 2c6577639b3bdb3658cd88c5f8e2b4160021a9aefc64775540e05b8de6fa0422