Oct 12 20:28:27.791 INFO checking ickshonpe/rust-data-structures against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:28:27.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 20:28:28.194 INFO blam! 90cb040d52b2339382afc03d837ebf0224456d83529d6e2db6df6e74854a10c1
Oct 12 20:28:28.197 INFO running `"docker" "start" "-a" "90cb040d52b2339382afc03d837ebf0224456d83529d6e2db6df6e74854a10c1"`
Oct 12 20:28:29.416 INFO kablam! usermod: no changes
Oct 12 20:28:29.528 INFO kablam!     Checking data-structures v0.1.0 (/source)
Oct 12 20:28:30.524 INFO kablam! warning: unused import: `std::mem`
Oct 12 20:28:30.525 INFO kablam!  --> src/list.rs:1:5
Oct 12 20:28:30.525 INFO kablam!   |
Oct 12 20:28:30.525 INFO kablam! 1 | use std::mem;
Oct 12 20:28:30.526 INFO kablam!   |     ^^^^^^^^
Oct 12 20:28:30.526 INFO kablam!   |
Oct 12 20:28:30.526 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 20:28:30.526 INFO kablam! 
Oct 12 20:28:30.526 INFO kablam! warning: unused import: `list::*`
Oct 12 20:28:30.527 INFO kablam!   --> src/main.rs:11:5
Oct 12 20:28:30.527 INFO kablam!    |
Oct 12 20:28:30.527 INFO kablam! 11 | use list::*;
Oct 12 20:28:30.527 INFO kablam!    |     ^^^^^^^
Oct 12 20:28:30.528 INFO kablam! 
Oct 12 20:28:30.699 INFO kablam! warning: unused import: `std::mem`
Oct 12 20:28:30.699 INFO kablam!  --> src/list.rs:1:5
Oct 12 20:28:30.699 INFO kablam!   |
Oct 12 20:28:30.699 INFO kablam! 1 | use std::mem;
Oct 12 20:28:30.700 INFO kablam!   |     ^^^^^^^^
Oct 12 20:28:30.700 INFO kablam!   |
Oct 12 20:28:30.700 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 20:28:30.701 INFO kablam! 
Oct 12 20:28:30.701 INFO kablam! warning: unused import: `list::*`
Oct 12 20:28:30.701 INFO kablam!   --> src/main.rs:11:5
Oct 12 20:28:30.701 INFO kablam!    |
Oct 12 20:28:30.702 INFO kablam! 11 | use list::*;
Oct 12 20:28:30.702 INFO kablam!    |     ^^^^^^^
Oct 12 20:28:30.702 INFO kablam! 
Oct 12 20:28:30.817 INFO kablam! warning: function is never used: `merge_sort`
Oct 12 20:28:30.817 INFO kablam!  --> src/merge_sort.rs:2:1
Oct 12 20:28:30.818 INFO kablam!   |
Oct 12 20:28:30.818 INFO kablam! 2 | pub fn merge_sort<T: PartialOrd + Copy>(xs: &[T]) -> Vec<T> {
Oct 12 20:28:30.818 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.819 INFO kablam!   |
Oct 12 20:28:30.819 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 20:28:30.819 INFO kablam! 
Oct 12 20:28:30.819 INFO kablam! warning: function is never used: `merge`
Oct 12 20:28:30.820 INFO kablam!   --> src/merge_sort.rs:14:1
Oct 12 20:28:30.820 INFO kablam!    |
Oct 12 20:28:30.820 INFO kablam! 14 | pub fn merge<T: PartialOrd + Copy>(mut left: &[T], mut right: &[T]) -> Vec<T> {
Oct 12 20:28:30.820 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.821 INFO kablam! 
Oct 12 20:28:30.821 INFO kablam! warning: function is never used: `id`
Oct 12 20:28:30.821 INFO kablam!  --> src/tricks.rs:4:1
Oct 12 20:28:30.822 INFO kablam!   |
Oct 12 20:28:30.822 INFO kablam! 4 | pub fn id<T>(x: T) -> T {
Oct 12 20:28:30.822 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.822 INFO kablam! 
Oct 12 20:28:30.823 INFO kablam! warning: type alias is never used: `Link`
Oct 12 20:28:30.823 INFO kablam!  --> src/list.rs:4:1
Oct 12 20:28:30.823 INFO kablam!   |
Oct 12 20:28:30.823 INFO kablam! 4 | type Link<T> = Option<Box<Node<T>>>;
Oct 12 20:28:30.824 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: method is never used: `back`
Oct 12 20:28:30.826 INFO kablam!   --> src/list.rs:67:5
Oct 12 20:28:30.826 INFO kablam!    |
Oct 12 20:28:30.826 INFO kablam! 67 |     fn back(&mut self) -> &mut Link<T> {
Oct 12 20:28:30.826 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: method is never used: `back_id`
Oct 12 20:28:30.826 INFO kablam!   --> src/list.rs:77:5
Oct 12 20:28:30.826 INFO kablam!    |
Oct 12 20:28:30.826 INFO kablam! 77 |     fn back_id(&mut self) -> &mut Link<T> {
Oct 12 20:28:30.826 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: method is never used: `back_tmp`
Oct 12 20:28:30.826 INFO kablam!   --> src/list.rs:87:5
Oct 12 20:28:30.826 INFO kablam!    |
Oct 12 20:28:30.826 INFO kablam! 87 |     fn back_tmp(&mut self) -> &mut Link<T> {
Oct 12 20:28:30.826 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: function is never used: `quick_sort`
Oct 12 20:28:30.826 INFO kablam!  --> src/quick_sort_slice.rs:5:1
Oct 12 20:28:30.826 INFO kablam!   |
Oct 12 20:28:30.826 INFO kablam! 5 | pub fn quick_sort<T: PartialOrd>(data: &mut [T]) {
Oct 12 20:28:30.826 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: function is never used: `partition`
Oct 12 20:28:30.826 INFO kablam!   --> src/quick_sort_slice.rs:13:1
Oct 12 20:28:30.826 INFO kablam!    |
Oct 12 20:28:30.826 INFO kablam! 13 | fn partition<T: PartialOrd>(data: &mut [T]) -> usize {
Oct 12 20:28:30.826 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: function is never used: `example`
Oct 12 20:28:30.826 INFO kablam!   --> src/quick_sort_slice.rs:28:1
Oct 12 20:28:30.826 INFO kablam!    |
Oct 12 20:28:30.826 INFO kablam! 28 | pub fn example() {
Oct 12 20:28:30.826 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 12 20:28:30.826 INFO kablam! 
Oct 12 20:28:30.826 INFO kablam! warning: function is never used: `quick_sort`
Oct 12 20:28:30.826 INFO kablam!  --> src/parallel_quick_sort.rs:6:1
Oct 12 20:28:30.827 INFO kablam!   |
Oct 12 20:28:30.827 INFO kablam! 6 | pub fn quick_sort<T: PartialOrd + std::marker::Send>(data: &mut [T]) {
Oct 12 20:28:30.827 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.827 INFO kablam! 
Oct 12 20:28:30.827 INFO kablam! warning: function is never used: `split_at_exclusive_mut`
Oct 12 20:28:30.827 INFO kablam!   --> src/parallel_quick_sort.rs:18:1
Oct 12 20:28:30.827 INFO kablam!    |
Oct 12 20:28:30.827 INFO kablam! 18 | pub fn split_at_exclusive_mut<T>(data: &mut [T], p: usize) -> (&mut [T], &mut [T]) {
Oct 12 20:28:30.827 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.827 INFO kablam! 
Oct 12 20:28:30.827 INFO kablam! warning: function is never used: `partition`
Oct 12 20:28:30.827 INFO kablam!   --> src/parallel_quick_sort.rs:24:1
Oct 12 20:28:30.827 INFO kablam!    |
Oct 12 20:28:30.827 INFO kablam! 24 | fn partition<T: PartialOrd>(data: &mut [T]) -> usize {
Oct 12 20:28:30.827 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:30.827 INFO kablam! 
Oct 12 20:28:30.827 INFO kablam! warning: function is never used: `example`
Oct 12 20:28:30.827 INFO kablam!   --> src/parallel_quick_sort.rs:39:1
Oct 12 20:28:30.827 INFO kablam!    |
Oct 12 20:28:30.827 INFO kablam! 39 | pub fn example() {
Oct 12 20:28:30.827 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 12 20:28:30.827 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: function is never used: `merge_sort`
Oct 12 20:28:31.008 INFO kablam!  --> src/merge_sort.rs:2:1
Oct 12 20:28:31.008 INFO kablam!   |
Oct 12 20:28:31.008 INFO kablam! 2 | pub fn merge_sort<T: PartialOrd + Copy>(xs: &[T]) -> Vec<T> {
Oct 12 20:28:31.008 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam!   |
Oct 12 20:28:31.008 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: function is never used: `merge`
Oct 12 20:28:31.008 INFO kablam!   --> src/merge_sort.rs:14:1
Oct 12 20:28:31.008 INFO kablam!    |
Oct 12 20:28:31.008 INFO kablam! 14 | pub fn merge<T: PartialOrd + Copy>(mut left: &[T], mut right: &[T]) -> Vec<T> {
Oct 12 20:28:31.008 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: function is never used: `id`
Oct 12 20:28:31.008 INFO kablam!  --> src/tricks.rs:4:1
Oct 12 20:28:31.008 INFO kablam!   |
Oct 12 20:28:31.008 INFO kablam! 4 | pub fn id<T>(x: T) -> T {
Oct 12 20:28:31.008 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: type alias is never used: `Link`
Oct 12 20:28:31.008 INFO kablam!  --> src/list.rs:4:1
Oct 12 20:28:31.008 INFO kablam!   |
Oct 12 20:28:31.008 INFO kablam! 4 | type Link<T> = Option<Box<Node<T>>>;
Oct 12 20:28:31.008 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: method is never used: `back`
Oct 12 20:28:31.008 INFO kablam!   --> src/list.rs:67:5
Oct 12 20:28:31.008 INFO kablam!    |
Oct 12 20:28:31.008 INFO kablam! 67 |     fn back(&mut self) -> &mut Link<T> {
Oct 12 20:28:31.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: method is never used: `back_id`
Oct 12 20:28:31.008 INFO kablam!   --> src/list.rs:77:5
Oct 12 20:28:31.008 INFO kablam!    |
Oct 12 20:28:31.008 INFO kablam! 77 |     fn back_id(&mut self) -> &mut Link<T> {
Oct 12 20:28:31.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: method is never used: `back_tmp`
Oct 12 20:28:31.008 INFO kablam!   --> src/list.rs:87:5
Oct 12 20:28:31.008 INFO kablam!    |
Oct 12 20:28:31.008 INFO kablam! 87 |     fn back_tmp(&mut self) -> &mut Link<T> {
Oct 12 20:28:31.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:28:31.008 INFO kablam! 
Oct 12 20:28:31.008 INFO kablam! warning: function is never used: `example`
Oct 12 20:28:31.008 INFO kablam!   --> src/quick_sort_slice.rs:28:1
Oct 12 20:28:31.008 INFO kablam!    |
Oct 12 20:28:31.009 INFO kablam! 28 | pub fn example() {
Oct 12 20:28:31.009 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 12 20:28:31.009 INFO kablam! 
Oct 12 20:28:31.009 INFO kablam! warning: function is never used: `example`
Oct 12 20:28:31.009 INFO kablam!   --> src/parallel_quick_sort.rs:39:1
Oct 12 20:28:31.009 INFO kablam!    |
Oct 12 20:28:31.009 INFO kablam! 39 | pub fn example() {
Oct 12 20:28:31.009 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 12 20:28:31.009 INFO kablam! 
Oct 12 20:28:31.068 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Oct 12 20:28:31.068 INFO kablam! su: No module specific data is present
Oct 12 20:28:31.629 INFO running `"docker" "rm" "-f" "90cb040d52b2339382afc03d837ebf0224456d83529d6e2db6df6e74854a10c1"`
Oct 12 20:28:31.940 INFO blam! 90cb040d52b2339382afc03d837ebf0224456d83529d6e2db6df6e74854a10c1