Oct 27 10:02:36.909 INFO checking Razakhel/rs-ds against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 10:02:36.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 10:02:37.571 INFO blam! 7428b10be578f4a602854a3f7d01c8d8f283369615076aeed4e2bb22b66ac928
Oct 27 10:02:37.589 INFO running `"docker" "start" "-a" "7428b10be578f4a602854a3f7d01c8d8f283369615076aeed4e2bb22b66ac928"`
Oct 27 10:02:38.578 INFO kablam! usermod: no changes
Oct 27 10:02:38.611 INFO kablam!     Checking rs-ds v0.1.0 (/source)
Oct 27 10:02:39.107 INFO kablam! warning: struct is never constructed: `IntoIter`
Oct 27 10:02:39.107 INFO kablam!   --> src/linked_list.rs:16:1
Oct 27 10:02:39.107 INFO kablam!    |
Oct 27 10:02:39.107 INFO kablam! 16 | pub struct IntoIter<T>(List<T>);
Oct 27 10:02:39.107 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:02:39.107 INFO kablam!    |
Oct 27 10:02:39.107 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 10:02:39.107 INFO kablam! 
Oct 27 10:02:39.107 INFO kablam! warning: method is never used: `peek`
Oct 27 10:02:39.107 INFO kablam!   --> src/linked_list.rs:38:3
Oct 27 10:02:39.107 INFO kablam!    |
Oct 27 10:02:39.107 INFO kablam! 38 |   pub fn peek(&self) -> Option<&T> {
Oct 27 10:02:39.107 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:02:39.107 INFO kablam! 
Oct 27 10:02:39.107 INFO kablam! warning: method is never used: `peek_mut`
Oct 27 10:02:39.107 INFO kablam!   --> src/linked_list.rs:44:3
Oct 27 10:02:39.107 INFO kablam!    |
Oct 27 10:02:39.107 INFO kablam! 44 |   pub fn peek_mut(&mut self) -> Option<&mut T> {
Oct 27 10:02:39.107 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:02:39.107 INFO kablam! 
Oct 27 10:02:39.107 INFO kablam! warning: method is never used: `into_iter`
Oct 27 10:02:39.107 INFO kablam!   --> src/linked_list.rs:50:3
Oct 27 10:02:39.107 INFO kablam!    |
Oct 27 10:02:39.107 INFO kablam! 50 |   pub fn into_iter(self) -> IntoIter<T> {
Oct 27 10:02:39.107 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 10:02:39.107 INFO kablam! 
Oct 27 10:02:39.423 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Oct 27 10:02:39.433 INFO kablam! su: No module specific data is present
Oct 27 10:02:40.174 INFO running `"docker" "rm" "-f" "7428b10be578f4a602854a3f7d01c8d8f283369615076aeed4e2bb22b66ac928"`
Oct 27 10:02:40.455 INFO blam! 7428b10be578f4a602854a3f7d01c8d8f283369615076aeed4e2bb22b66ac928