Nov 02 19:55:08.324 INFO checking Razakhel/rs-ds against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 19:55:08.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 19:55:08.912 INFO blam! 75f9bc597bd87b3a0059ae388c0f6f9e3cad0e078478a7b61ac5adba275aea67
Nov 02 19:55:08.920 INFO running `"docker" "start" "-a" "75f9bc597bd87b3a0059ae388c0f6f9e3cad0e078478a7b61ac5adba275aea67"`
Nov 02 19:55:09.947 INFO kablam! usermod: no changes
Nov 02 19:55:09.988 INFO kablam!     Checking rs-ds v0.1.0 (/source)
Nov 02 19:55:10.642 INFO kablam! warning: struct is never constructed: `IntoIter`
Nov 02 19:55:10.642 INFO kablam!   --> src/linked_list.rs:16:1
Nov 02 19:55:10.642 INFO kablam!    |
Nov 02 19:55:10.642 INFO kablam! 16 | pub struct IntoIter<T>(List<T>);
Nov 02 19:55:10.642 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:10.643 INFO kablam!    |
Nov 02 19:55:10.643 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 19:55:10.643 INFO kablam! 
Nov 02 19:55:10.644 INFO kablam! warning: method is never used: `peek`
Nov 02 19:55:10.644 INFO kablam!   --> src/linked_list.rs:38:3
Nov 02 19:55:10.644 INFO kablam!    |
Nov 02 19:55:10.644 INFO kablam! 38 |   pub fn peek(&self) -> Option<&T> {
Nov 02 19:55:10.644 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:10.644 INFO kablam! 
Nov 02 19:55:10.645 INFO kablam! warning: method is never used: `peek_mut`
Nov 02 19:55:10.645 INFO kablam!   --> src/linked_list.rs:44:3
Nov 02 19:55:10.645 INFO kablam!    |
Nov 02 19:55:10.645 INFO kablam! 44 |   pub fn peek_mut(&mut self) -> Option<&mut T> {
Nov 02 19:55:10.645 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:10.645 INFO kablam! 
Nov 02 19:55:10.646 INFO kablam! warning: method is never used: `into_iter`
Nov 02 19:55:10.646 INFO kablam!   --> src/linked_list.rs:50:3
Nov 02 19:55:10.646 INFO kablam!    |
Nov 02 19:55:10.646 INFO kablam! 50 |   pub fn into_iter(self) -> IntoIter<T> {
Nov 02 19:55:10.646 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:10.646 INFO kablam! 
Nov 02 19:55:11.004 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Nov 02 19:55:11.004 INFO kablam! su: No module specific data is present
Nov 02 19:55:11.602 INFO running `"docker" "rm" "-f" "75f9bc597bd87b3a0059ae388c0f6f9e3cad0e078478a7b61ac5adba275aea67"`
Nov 02 19:55:11.845 INFO blam! 75f9bc597bd87b3a0059ae388c0f6f9e3cad0e078478a7b61ac5adba275aea67