Nov 02 19:55:09.201 INFO checking Razakhel/rs-ds against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 19:55:09.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 19:55:09.612 INFO blam! 0378a6781f77feabf747486fc81ecaa21846b92f48f3315a39262f821b39179c
Nov 02 19:55:09.632 INFO running `"docker" "start" "-a" "0378a6781f77feabf747486fc81ecaa21846b92f48f3315a39262f821b39179c"`
Nov 02 19:55:10.892 INFO kablam! usermod: no changes
Nov 02 19:55:10.956 INFO kablam!     Checking rs-ds v0.1.0 (/source)
Nov 02 19:55:11.420 INFO kablam! warning: struct is never constructed: `IntoIter`
Nov 02 19:55:11.420 INFO kablam!   --> src/linked_list.rs:16:1
Nov 02 19:55:11.420 INFO kablam!    |
Nov 02 19:55:11.420 INFO kablam! 16 | pub struct IntoIter<T>(List<T>);
Nov 02 19:55:11.420 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:11.420 INFO kablam!    |
Nov 02 19:55:11.420 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 19:55:11.420 INFO kablam! 
Nov 02 19:55:11.420 INFO kablam! warning: method is never used: `peek`
Nov 02 19:55:11.420 INFO kablam!   --> src/linked_list.rs:38:3
Nov 02 19:55:11.420 INFO kablam!    |
Nov 02 19:55:11.420 INFO kablam! 38 |   pub fn peek(&self) -> Option<&T> {
Nov 02 19:55:11.420 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:11.420 INFO kablam! 
Nov 02 19:55:11.420 INFO kablam! warning: method is never used: `peek_mut`
Nov 02 19:55:11.420 INFO kablam!   --> src/linked_list.rs:44:3
Nov 02 19:55:11.420 INFO kablam!    |
Nov 02 19:55:11.420 INFO kablam! 44 |   pub fn peek_mut(&mut self) -> Option<&mut T> {
Nov 02 19:55:11.420 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:11.420 INFO kablam! 
Nov 02 19:55:11.420 INFO kablam! warning: method is never used: `into_iter`
Nov 02 19:55:11.420 INFO kablam!   --> src/linked_list.rs:50:3
Nov 02 19:55:11.420 INFO kablam!    |
Nov 02 19:55:11.420 INFO kablam! 50 |   pub fn into_iter(self) -> IntoIter<T> {
Nov 02 19:55:11.420 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 19:55:11.421 INFO kablam! 
Nov 02 19:55:11.756 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 02 19:55:11.756 INFO kablam! su: No module specific data is present
Nov 02 19:55:12.214 INFO running `"docker" "rm" "-f" "0378a6781f77feabf747486fc81ecaa21846b92f48f3315a39262f821b39179c"`
Nov 02 19:55:12.375 INFO blam! 0378a6781f77feabf747486fc81ecaa21846b92f48f3315a39262f821b39179c