[INFO] updating cached repository https://github.com/LukasKalbertodt/sort-bench
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 68ceb1210c10e4e9f1a34cf8322ab7ee36269aed
[INFO] checking LukasKalbertodt/sort-bench against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukasKalbertodt%2Fsort-bench" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukasKalbertodt/sort-bench on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LukasKalbertodt/sort-bench
[INFO] finished tweaking git repo https://github.com/LukasKalbertodt/sort-bench
[INFO] tweaked toml for git repo https://github.com/LukasKalbertodt/sort-bench written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/LukasKalbertodt/sort-bench already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 654fa0a133903786e27a613d28e4fa7e8ece8182b6d55012717a06ea53345fef
[INFO] running `"docker" "start" "-a" "654fa0a133903786e27a613d28e4fa7e8ece8182b6d55012717a06ea53345fef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking sort-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `one_element`
[INFO] [stderr]   --> src/gen.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn one_element<T: Clone>(count: usize, elem: T) -> Vec<T> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_increasing`
[INFO] [stderr]   --> src/gen.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn simple_increasing<T: FromUsize>(count: usize) -> Vec<T> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_decreasing`
[INFO] [stderr]   --> src/gen.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn simple_decreasing<T: FromUsize>(count: usize) -> Vec<T> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quick_sort_hoare_center`
[INFO] [stderr]   --> src/impls/quick.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  |         pub fn $fn_name<T: Ord>(arr: &mut [T]) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 | gen_quick_sort!(quick_sort_hoare_center, partition_hoare, pivot_center);
[INFO] [stderr]    | ------------------------------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quick_sort_lomuto_center`
[INFO] [stderr]   --> src/impls/quick.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  |         pub fn $fn_name<T: Ord>(arr: &mut [T]) {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 | gen_quick_sort!(quick_sort_lomuto_center, partition_lomuto, pivot_center);
[INFO] [stderr]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pivot_center`
[INFO] [stderr]   --> src/impls/quick.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn pivot_center<T>(arr: &[T]) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `partition_hoare`
[INFO] [stderr]   --> src/impls/quick.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn partition_hoare<T: Ord>(arr: &mut [T], pivot_idx: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `partition_lomuto`
[INFO] [stderr]   --> src/impls/quick.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn partition_lomuto<T: Ord>(arr: &mut [T], pivot_idx: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking quickcheck v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `"docker" "inspect" "654fa0a133903786e27a613d28e4fa7e8ece8182b6d55012717a06ea53345fef"`
[INFO] running `"docker" "rm" "-f" "654fa0a133903786e27a613d28e4fa7e8ece8182b6d55012717a06ea53345fef"`
[INFO] [stdout] 654fa0a133903786e27a613d28e4fa7e8ece8182b6d55012717a06ea53345fef