Nov 28 04:07:53.504 INFO checking ickshonpe/rust-data-structures against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 04:07:53.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 04:07:53.925 INFO [stdout] c04247d90fd155626f05665b1945d1164e9cd78ca1acbd7b6a1ffaca5a3164fb
Nov 28 04:07:53.928 INFO running `"docker" "start" "-a" "c04247d90fd155626f05665b1945d1164e9cd78ca1acbd7b6a1ffaca5a3164fb"`
Nov 28 04:07:55.068 INFO [stderr] usermod: no changes
Nov 28 04:07:55.208 INFO [stderr]     Checking rayon-core v1.2.1
Nov 28 04:07:56.256 INFO [stderr]     Checking rayon v0.8.2
Nov 28 04:07:59.248 INFO [stderr]     Checking data-structures v0.1.0 (/source)
Nov 28 04:07:59.892 INFO [stderr] warning: unused import: `std::mem`
Nov 28 04:07:59.892 INFO [stderr]  --> src/list.rs:1:5
Nov 28 04:07:59.892 INFO [stderr]   |
Nov 28 04:07:59.892 INFO [stderr] 1 | use std::mem;
Nov 28 04:07:59.892 INFO [stderr]   |     ^^^^^^^^
Nov 28 04:07:59.892 INFO [stderr]   |
Nov 28 04:07:59.892 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:07:59.892 INFO [stderr] 
Nov 28 04:07:59.892 INFO [stderr] warning: unused import: `list::*`
Nov 28 04:07:59.892 INFO [stderr]   --> src/main.rs:11:5
Nov 28 04:07:59.892 INFO [stderr]    |
Nov 28 04:07:59.892 INFO [stderr] 11 | use list::*;
Nov 28 04:07:59.892 INFO [stderr]    |     ^^^^^^^
Nov 28 04:07:59.892 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: function is never used: `merge_sort`
Nov 28 04:08:00.040 INFO [stderr]  --> src/merge_sort.rs:2:1
Nov 28 04:08:00.040 INFO [stderr]   |
Nov 28 04:08:00.040 INFO [stderr] 2 | pub fn merge_sort<T: PartialOrd + Copy>(xs: &[T]) -> Vec<T> {
Nov 28 04:08:00.040 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.040 INFO [stderr]   |
Nov 28 04:08:00.040 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 04:08:00.040 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: function is never used: `merge`
Nov 28 04:08:00.040 INFO [stderr]   --> src/merge_sort.rs:14:1
Nov 28 04:08:00.040 INFO [stderr]    |
Nov 28 04:08:00.040 INFO [stderr] 14 | pub fn merge<T: PartialOrd + Copy>(mut left: &[T], mut right: &[T]) -> Vec<T> {
Nov 28 04:08:00.040 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.040 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: function is never used: `id`
Nov 28 04:08:00.040 INFO [stderr]  --> src/tricks.rs:4:1
Nov 28 04:08:00.040 INFO [stderr]   |
Nov 28 04:08:00.040 INFO [stderr] 4 | pub fn id<T>(x: T) -> T {
Nov 28 04:08:00.040 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.040 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: type alias is never used: `Link`
Nov 28 04:08:00.040 INFO [stderr]  --> src/list.rs:4:1
Nov 28 04:08:00.040 INFO [stderr]   |
Nov 28 04:08:00.040 INFO [stderr] 4 | type Link<T> = Option<Box<Node<T>>>;
Nov 28 04:08:00.040 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.040 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: method is never used: `back`
Nov 28 04:08:00.040 INFO [stderr]   --> src/list.rs:67:5
Nov 28 04:08:00.040 INFO [stderr]    |
Nov 28 04:08:00.040 INFO [stderr] 67 |     fn back(&mut self) -> &mut Link<T> {
Nov 28 04:08:00.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.040 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: method is never used: `back_id`
Nov 28 04:08:00.040 INFO [stderr]   --> src/list.rs:77:5
Nov 28 04:08:00.040 INFO [stderr]    |
Nov 28 04:08:00.040 INFO [stderr] 77 |     fn back_id(&mut self) -> &mut Link<T> {
Nov 28 04:08:00.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.040 INFO [stderr] 
Nov 28 04:08:00.040 INFO [stderr] warning: method is never used: `back_tmp`
Nov 28 04:08:00.040 INFO [stderr]   --> src/list.rs:87:5
Nov 28 04:08:00.040 INFO [stderr]    |
Nov 28 04:08:00.040 INFO [stderr] 87 |     fn back_tmp(&mut self) -> &mut Link<T> {
Nov 28 04:08:00.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `quick_sort`
Nov 28 04:08:00.041 INFO [stderr]  --> src/quick_sort_slice.rs:5:1
Nov 28 04:08:00.041 INFO [stderr]   |
Nov 28 04:08:00.041 INFO [stderr] 5 | pub fn quick_sort<T: PartialOrd>(data: &mut [T]) {
Nov 28 04:08:00.041 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `partition`
Nov 28 04:08:00.041 INFO [stderr]   --> src/quick_sort_slice.rs:13:1
Nov 28 04:08:00.041 INFO [stderr]    |
Nov 28 04:08:00.041 INFO [stderr] 13 | fn partition<T: PartialOrd>(data: &mut [T]) -> usize {
Nov 28 04:08:00.041 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `example`
Nov 28 04:08:00.041 INFO [stderr]   --> src/quick_sort_slice.rs:28:1
Nov 28 04:08:00.041 INFO [stderr]    |
Nov 28 04:08:00.041 INFO [stderr] 28 | pub fn example() {
Nov 28 04:08:00.041 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `quick_sort`
Nov 28 04:08:00.041 INFO [stderr]  --> src/parallel_quick_sort.rs:6:1
Nov 28 04:08:00.041 INFO [stderr]   |
Nov 28 04:08:00.041 INFO [stderr] 6 | pub fn quick_sort<T: PartialOrd + std::marker::Send>(data: &mut [T]) {
Nov 28 04:08:00.041 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `split_at_exclusive_mut`
Nov 28 04:08:00.041 INFO [stderr]   --> src/parallel_quick_sort.rs:18:1
Nov 28 04:08:00.041 INFO [stderr]    |
Nov 28 04:08:00.041 INFO [stderr] 18 | pub fn split_at_exclusive_mut<T>(data: &mut [T], p: usize) -> (&mut [T], &mut [T]) {
Nov 28 04:08:00.041 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `partition`
Nov 28 04:08:00.041 INFO [stderr]   --> src/parallel_quick_sort.rs:24:1
Nov 28 04:08:00.041 INFO [stderr]    |
Nov 28 04:08:00.041 INFO [stderr] 24 | fn partition<T: PartialOrd>(data: &mut [T]) -> usize {
Nov 28 04:08:00.041 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.041 INFO [stderr] warning: function is never used: `example`
Nov 28 04:08:00.041 INFO [stderr]   --> src/parallel_quick_sort.rs:39:1
Nov 28 04:08:00.041 INFO [stderr]    |
Nov 28 04:08:00.041 INFO [stderr] 39 | pub fn example() {
Nov 28 04:08:00.041 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 04:08:00.041 INFO [stderr] 
Nov 28 04:08:00.230 INFO [stderr] warning: unused import: `std::mem`
Nov 28 04:08:00.231 INFO [stderr]  --> src/list.rs:1:5
Nov 28 04:08:00.231 INFO [stderr]   |
Nov 28 04:08:00.231 INFO [stderr] 1 | use std::mem;
Nov 28 04:08:00.232 INFO [stderr]   |     ^^^^^^^^
Nov 28 04:08:00.232 INFO [stderr]   |
Nov 28 04:08:00.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 04:08:00.232 INFO [stderr] 
Nov 28 04:08:00.233 INFO [stderr] warning: unused import: `list::*`
Nov 28 04:08:00.233 INFO [stderr]   --> src/main.rs:11:5
Nov 28 04:08:00.233 INFO [stderr]    |
Nov 28 04:08:00.234 INFO [stderr] 11 | use list::*;
Nov 28 04:08:00.234 INFO [stderr]    |     ^^^^^^^
Nov 28 04:08:00.234 INFO [stderr] 
Nov 28 04:08:00.477 INFO [stderr] warning: function is never used: `merge_sort`
Nov 28 04:08:00.477 INFO [stderr]  --> src/merge_sort.rs:2:1
Nov 28 04:08:00.477 INFO [stderr]   |
Nov 28 04:08:00.477 INFO [stderr] 2 | pub fn merge_sort<T: PartialOrd + Copy>(xs: &[T]) -> Vec<T> {
Nov 28 04:08:00.478 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.478 INFO [stderr]   |
Nov 28 04:08:00.478 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 04:08:00.479 INFO [stderr] 
Nov 28 04:08:00.479 INFO [stderr] warning: function is never used: `merge`
Nov 28 04:08:00.479 INFO [stderr]   --> src/merge_sort.rs:14:1
Nov 28 04:08:00.480 INFO [stderr]    |
Nov 28 04:08:00.480 INFO [stderr] 14 | pub fn merge<T: PartialOrd + Copy>(mut left: &[T], mut right: &[T]) -> Vec<T> {
Nov 28 04:08:00.480 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.480 INFO [stderr] 
Nov 28 04:08:00.481 INFO [stderr] warning: function is never used: `id`
Nov 28 04:08:00.481 INFO [stderr]  --> src/tricks.rs:4:1
Nov 28 04:08:00.481 INFO [stderr]   |
Nov 28 04:08:00.482 INFO [stderr] 4 | pub fn id<T>(x: T) -> T {
Nov 28 04:08:00.482 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.482 INFO [stderr] 
Nov 28 04:08:00.483 INFO [stderr] warning: type alias is never used: `Link`
Nov 28 04:08:00.483 INFO [stderr]  --> src/list.rs:4:1
Nov 28 04:08:00.483 INFO [stderr]   |
Nov 28 04:08:00.483 INFO [stderr] 4 | type Link<T> = Option<Box<Node<T>>>;
Nov 28 04:08:00.484 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.484 INFO [stderr] 
Nov 28 04:08:00.484 INFO [stderr] warning: method is never used: `back`
Nov 28 04:08:00.485 INFO [stderr]   --> src/list.rs:67:5
Nov 28 04:08:00.485 INFO [stderr]    |
Nov 28 04:08:00.485 INFO [stderr] 67 |     fn back(&mut self) -> &mut Link<T> {
Nov 28 04:08:00.486 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.486 INFO [stderr] 
Nov 28 04:08:00.486 INFO [stderr] warning: method is never used: `back_id`
Nov 28 04:08:00.486 INFO [stderr]   --> src/list.rs:77:5
Nov 28 04:08:00.487 INFO [stderr]    |
Nov 28 04:08:00.487 INFO [stderr] 77 |     fn back_id(&mut self) -> &mut Link<T> {
Nov 28 04:08:00.487 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.488 INFO [stderr] 
Nov 28 04:08:00.488 INFO [stderr] warning: method is never used: `back_tmp`
Nov 28 04:08:00.488 INFO [stderr]   --> src/list.rs:87:5
Nov 28 04:08:00.489 INFO [stderr]    |
Nov 28 04:08:00.489 INFO [stderr] 87 |     fn back_tmp(&mut self) -> &mut Link<T> {
Nov 28 04:08:00.489 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 04:08:00.489 INFO [stderr] 
Nov 28 04:08:00.490 INFO [stderr] warning: function is never used: `example`
Nov 28 04:08:00.490 INFO [stderr]   --> src/quick_sort_slice.rs:28:1
Nov 28 04:08:00.490 INFO [stderr]    |
Nov 28 04:08:00.490 INFO [stderr] 28 | pub fn example() {
Nov 28 04:08:00.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 04:08:00.491 INFO [stderr] 
Nov 28 04:08:00.491 INFO [stderr] warning: function is never used: `example`
Nov 28 04:08:00.492 INFO [stderr]   --> src/parallel_quick_sort.rs:39:1
Nov 28 04:08:00.492 INFO [stderr]    |
Nov 28 04:08:00.492 INFO [stderr] 39 | pub fn example() {
Nov 28 04:08:00.493 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 04:08:00.493 INFO [stderr] 
Nov 28 04:08:00.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
Nov 28 04:08:00.519 INFO [stderr] su: No module specific data is present
Nov 28 04:08:01.123 INFO running `"docker" "inspect" "c04247d90fd155626f05665b1945d1164e9cd78ca1acbd7b6a1ffaca5a3164fb"`
Nov 28 04:08:01.298 INFO running `"docker" "rm" "-f" "c04247d90fd155626f05665b1945d1164e9cd78ca1acbd7b6a1ffaca5a3164fb"`
Nov 28 04:08:01.559 INFO [stdout] c04247d90fd155626f05665b1945d1164e9cd78ca1acbd7b6a1ffaca5a3164fb