Dec 19 19:03:03.395 INFO checking chrisshyi/QuickSort-Rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:03:03.395 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/chrisshyi/QuickSort-Rust:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:03:03.863 INFO [stdout] 9c0b03b1eaf8a03941188044c754ac274031eb433d083d921ed0f1cd7805ae4b
Dec 19 19:03:03.868 INFO running `"docker" "start" "-a" "9c0b03b1eaf8a03941188044c754ac274031eb433d083d921ed0f1cd7805ae4b"`
Dec 19 19:03:05.334 INFO [stderr]     Checking QuickSort v0.1.0 (/opt/crater/workdir)
Dec 19 19:03:05.616 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 19:03:05.616 INFO [stderr]   --> src/main.rs:14:24
Dec 19 19:03:05.616 INFO [stderr]    |
Dec 19 19:03:05.616 INFO [stderr] 14 |     num_comparisons += (data.len() as i32 - 1);
Dec 19 19:03:05.616 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:03:05.616 INFO [stderr]    |
Dec 19 19:03:05.616 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:03:05.616 INFO [stderr] 
Dec 19 19:03:05.679 INFO [stderr] warning: unused variable: `data`
Dec 19 19:03:05.679 INFO [stderr]   --> src/main.rs:50:24
Dec 19 19:03:05.679 INFO [stderr]    |
Dec 19 19:03:05.679 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.679 INFO [stderr]    |                        ^^^^ help: consider using `_data` instead
Dec 19 19:03:05.679 INFO [stderr]    |
Dec 19 19:03:05.679 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:03:05.679 INFO [stderr] 
Dec 19 19:03:05.685 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 19:03:05.685 INFO [stderr]   --> src/main.rs:14:24
Dec 19 19:03:05.685 INFO [stderr]    |
Dec 19 19:03:05.685 INFO [stderr] 14 |     num_comparisons += (data.len() as i32 - 1);
Dec 19 19:03:05.686 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:03:05.688 INFO [stderr]    |
Dec 19 19:03:05.688 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:03:05.688 INFO [stderr] 
Dec 19 19:03:05.688 INFO [stderr] warning: function is never used: `first_element_pivot`
Dec 19 19:03:05.688 INFO [stderr]   --> src/main.rs:50:1
Dec 19 19:03:05.688 INFO [stderr]    |
Dec 19 19:03:05.688 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.688 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.688 INFO [stderr]    |
Dec 19 19:03:05.688 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:03:05.688 INFO [stderr] 
Dec 19 19:03:05.688 INFO [stderr] warning: function is never used: `last_element_pivot`
Dec 19 19:03:05.688 INFO [stderr]   --> src/main.rs:54:1
Dec 19 19:03:05.688 INFO [stderr]    |
Dec 19 19:03:05.688 INFO [stderr] 54 | fn last_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.688 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.688 INFO [stderr] 
Dec 19 19:03:05.688 INFO [stderr] warning: crate `QuickSort` should have a snake case name such as `quick_sort`
Dec 19 19:03:05.688 INFO [stderr]   |
Dec 19 19:03:05.688 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 19:03:05.688 INFO [stderr] 
Dec 19 19:03:05.779 INFO [stderr] warning: unused variable: `data`
Dec 19 19:03:05.779 INFO [stderr]   --> src/main.rs:50:24
Dec 19 19:03:05.779 INFO [stderr]    |
Dec 19 19:03:05.779 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.779 INFO [stderr]    |                        ^^^^ help: consider using `_data` instead
Dec 19 19:03:05.779 INFO [stderr]    |
Dec 19 19:03:05.779 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:03:05.779 INFO [stderr] 
Dec 19 19:03:05.792 INFO [stderr] warning: function is never used: `first_element_pivot`
Dec 19 19:03:05.792 INFO [stderr]   --> src/main.rs:50:1
Dec 19 19:03:05.792 INFO [stderr]    |
Dec 19 19:03:05.792 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.792 INFO [stderr]    |
Dec 19 19:03:05.792 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:03:05.792 INFO [stderr] 
Dec 19 19:03:05.792 INFO [stderr] warning: function is never used: `last_element_pivot`
Dec 19 19:03:05.792 INFO [stderr]   --> src/main.rs:54:1
Dec 19 19:03:05.792 INFO [stderr]    |
Dec 19 19:03:05.792 INFO [stderr] 54 | fn last_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.792 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.792 INFO [stderr] 
Dec 19 19:03:05.792 INFO [stderr] warning: crate `QuickSort` should have a snake case name such as `quick_sort`
Dec 19 19:03:05.792 INFO [stderr]   |
Dec 19 19:03:05.792 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 19:03:05.792 INFO [stderr] 
Dec 19 19:03:05.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 19 19:03:06.524 INFO running `"docker" "inspect" "9c0b03b1eaf8a03941188044c754ac274031eb433d083d921ed0f1cd7805ae4b"`
Dec 19 19:03:06.874 INFO running `"docker" "rm" "-f" "9c0b03b1eaf8a03941188044c754ac274031eb433d083d921ed0f1cd7805ae4b"`
Dec 19 19:03:07.436 INFO [stdout] 9c0b03b1eaf8a03941188044c754ac274031eb433d083d921ed0f1cd7805ae4b