[INFO] updating cached repository AaronKutch/ptr_rotate_bench_demonstration
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AaronKutch/ptr_rotate_bench_demonstration
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AaronKutch/ptr_rotate_bench_demonstration" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AaronKutch/ptr_rotate_bench_demonstration"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AaronKutch/ptr_rotate_bench_demonstration'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AaronKutch/ptr_rotate_bench_demonstration" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AaronKutch/ptr_rotate_bench_demonstration"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AaronKutch/ptr_rotate_bench_demonstration'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2781f1745183d78d6f9ee83e71a9c3f9dd858f00
[INFO] sha for GitHub repo AaronKutch/ptr_rotate_bench_demonstration: 2781f1745183d78d6f9ee83e71a9c3f9dd858f00
[INFO] validating manifest of AaronKutch/ptr_rotate_bench_demonstration 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 AaronKutch/ptr_rotate_bench_demonstration 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 AaronKutch/ptr_rotate_bench_demonstration
[INFO] finished frobbing AaronKutch/ptr_rotate_bench_demonstration
[INFO] frobbed toml for AaronKutch/ptr_rotate_bench_demonstration written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AaronKutch/ptr_rotate_bench_demonstration/Cargo.toml
[INFO] started frobbing AaronKutch/ptr_rotate_bench_demonstration
[INFO] finished frobbing AaronKutch/ptr_rotate_bench_demonstration
[INFO] frobbed toml for AaronKutch/ptr_rotate_bench_demonstration written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AaronKutch/ptr_rotate_bench_demonstration/Cargo.toml
[INFO] crate AaronKutch/ptr_rotate_bench_demonstration already has a lockfile, it will not be regenerated
[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 AaronKutch/ptr_rotate_bench_demonstration against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AaronKutch/ptr_rotate_bench_demonstration:/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] c34fc517fd3ee9450cea61447000330eb68f106847b8b2c749addb506ce5b7df
[INFO] running `"docker" "start" "-a" "c34fc517fd3ee9450cea61447000330eb68f106847b8b2c749addb506ce5b7df"`
[INFO] [stderr]     Checking rotate_bench v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Bencher`, `black_box`
[INFO] [stderr]  --> src/main.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use test::{black_box, Bencher};
[INFO] [stderr]   |            ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:243:1
[INFO] [stderr]     |
[INFO] [stderr] 243 | / macro_rules! rotate_bench {
[INFO] [stderr] 244 | |     ($bench_name_old:ident, $bench_name_new:ident, $len:expr, $s:expr) => {
[INFO] [stderr] 245 | |         #[bench]
[INFO] [stderr] 246 | |         fn $bench_name_old(b: &mut Bencher) {
[INFO] [stderr] ...   |
[INFO] [stderr] 262 | |     };
[INFO] [stderr] 263 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:265:1
[INFO] [stderr]     |
[INFO] [stderr] 265 | / macro_rules! rotate {
[INFO] [stderr] 266 | |     ($fn_old:ident, $fn_new:ident, $n:expr, $mapper:expr) => {
[INFO] [stderr] 267 | |         #[bench]
[INFO] [stderr] 268 | |         fn $fn_old(b: &mut Bencher) {
[INFO] [stderr] ...   |
[INFO] [stderr] 288 | |     }
[INFO] [stderr] 289 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `setup`
[INFO] [stderr]    --> src/main.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn setup(size: usize) -> Vec<usize> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check`
[INFO] [stderr]    --> src/main.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn check(x: &mut [usize], s: usize) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "c34fc517fd3ee9450cea61447000330eb68f106847b8b2c749addb506ce5b7df"`
[INFO] running `"docker" "rm" "-f" "c34fc517fd3ee9450cea61447000330eb68f106847b8b2c749addb506ce5b7df"`
[INFO] [stdout] c34fc517fd3ee9450cea61447000330eb68f106847b8b2c749addb506ce5b7df