Dec 19 19:03:03.462 INFO checking chrisshyi/QuickSort-Rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:03:03.462 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:03:03.874 INFO [stdout] e15ebf2c5c6b9a9a7fdfee7324030fe6447b21b4dfef717c7b0650c3b95be9ee
Dec 19 19:03:03.882 INFO running `"docker" "start" "-a" "e15ebf2c5c6b9a9a7fdfee7324030fe6447b21b4dfef717c7b0650c3b95be9ee"`
Dec 19 19:03:05.302 INFO [stderr]     Checking QuickSort v0.1.0 (/opt/crater/workdir)
Dec 19 19:03:05.688 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 19:03:05.688 INFO [stderr]   --> src/main.rs:14:24
Dec 19 19:03:05.688 INFO [stderr]    |
Dec 19 19:03:05.688 INFO [stderr] 14 |     num_comparisons += (data.len() as i32 - 1);
Dec 19 19:03:05.688 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 19:03:05.732 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 19:03:05.732 INFO [stderr]   --> src/main.rs:14:24
Dec 19 19:03:05.732 INFO [stderr]    |
Dec 19 19:03:05.732 INFO [stderr] 14 |     num_comparisons += (data.len() as i32 - 1);
Dec 19 19:03:05.732 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 19:03:05.732 INFO [stderr]    |
Dec 19 19:03:05.732 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 19:03:05.732 INFO [stderr] 
Dec 19 19:03:05.740 INFO [stderr] warning: unused variable: `data`
Dec 19 19:03:05.740 INFO [stderr]   --> src/main.rs:50:24
Dec 19 19:03:05.740 INFO [stderr]    |
Dec 19 19:03:05.740 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.740 INFO [stderr]    |                        ^^^^ help: consider using `_data` instead
Dec 19 19:03:05.740 INFO [stderr]    |
Dec 19 19:03:05.740 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:03:05.740 INFO [stderr] 
Dec 19 19:03:05.756 INFO [stderr] warning: function is never used: `first_element_pivot`
Dec 19 19:03:05.756 INFO [stderr]   --> src/main.rs:50:1
Dec 19 19:03:05.756 INFO [stderr]    |
Dec 19 19:03:05.756 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.756 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.756 INFO [stderr]    |
Dec 19 19:03:05.756 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:03:05.756 INFO [stderr] 
Dec 19 19:03:05.756 INFO [stderr] warning: function is never used: `last_element_pivot`
Dec 19 19:03:05.756 INFO [stderr]   --> src/main.rs:54:1
Dec 19 19:03:05.756 INFO [stderr]    |
Dec 19 19:03:05.756 INFO [stderr] 54 | fn last_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.756 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.756 INFO [stderr] 
Dec 19 19:03:05.756 INFO [stderr] warning: crate `QuickSort` should have a snake case name such as `quick_sort`
Dec 19 19:03:05.756 INFO [stderr]   |
Dec 19 19:03:05.756 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 19:03:05.756 INFO [stderr] 
Dec 19 19:03:05.835 INFO [stderr] warning: unused variable: `data`
Dec 19 19:03:05.835 INFO [stderr]   --> src/main.rs:50:24
Dec 19 19:03:05.835 INFO [stderr]    |
Dec 19 19:03:05.835 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.835 INFO [stderr]    |                        ^^^^ help: consider using `_data` instead
Dec 19 19:03:05.835 INFO [stderr]    |
Dec 19 19:03:05.835 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:03:05.835 INFO [stderr] 
Dec 19 19:03:05.861 INFO [stderr] warning: function is never used: `first_element_pivot`
Dec 19 19:03:05.861 INFO [stderr]   --> src/main.rs:50:1
Dec 19 19:03:05.861 INFO [stderr]    |
Dec 19 19:03:05.861 INFO [stderr] 50 | fn first_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.861 INFO [stderr]    |
Dec 19 19:03:05.861 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:03:05.861 INFO [stderr] 
Dec 19 19:03:05.861 INFO [stderr] warning: function is never used: `last_element_pivot`
Dec 19 19:03:05.861 INFO [stderr]   --> src/main.rs:54:1
Dec 19 19:03:05.861 INFO [stderr]    |
Dec 19 19:03:05.861 INFO [stderr] 54 | fn last_element_pivot(data: &[i32]) -> i32 {
Dec 19 19:03:05.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:03:05.861 INFO [stderr] 
Dec 19 19:03:05.861 INFO [stderr] warning: crate `QuickSort` should have a snake case name such as `quick_sort`
Dec 19 19:03:05.861 INFO [stderr]   |
Dec 19 19:03:05.861 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 19:03:05.861 INFO [stderr] 
Dec 19 19:03:05.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Dec 19 19:03:06.598 INFO running `"docker" "inspect" "e15ebf2c5c6b9a9a7fdfee7324030fe6447b21b4dfef717c7b0650c3b95be9ee"`
Dec 19 19:03:06.982 INFO running `"docker" "rm" "-f" "e15ebf2c5c6b9a9a7fdfee7324030fe6447b21b4dfef717c7b0650c3b95be9ee"`
Dec 19 19:03:07.232 INFO [stdout] e15ebf2c5c6b9a9a7fdfee7324030fe6447b21b4dfef717c7b0650c3b95be9ee