Nov 28 11:24:28.064 INFO checking Razakhel/rs-ds against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:24:28.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 11:24:28.534 INFO [stdout] 48d6b9440cb7d342577d4c47e5d5d62c1ec09456d2e1af5225c0414194307851
Nov 28 11:24:28.538 INFO running `"docker" "start" "-a" "48d6b9440cb7d342577d4c47e5d5d62c1ec09456d2e1af5225c0414194307851"`
Nov 28 11:24:29.988 INFO [stderr] usermod: no changes
Nov 28 11:24:30.052 INFO [stderr]     Checking rs-ds v0.1.0 (/source)
Nov 28 11:24:30.936 INFO [stderr] warning: struct is never constructed: `IntoIter`
Nov 28 11:24:30.937 INFO [stderr]   --> src/linked_list.rs:16:1
Nov 28 11:24:30.937 INFO [stderr]    |
Nov 28 11:24:30.937 INFO [stderr] 16 | pub struct IntoIter<T>(List<T>);
Nov 28 11:24:30.937 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:24:30.952 INFO [stderr]    |
Nov 28 11:24:30.952 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:24:30.952 INFO [stderr] 
Nov 28 11:24:30.952 INFO [stderr] warning: method is never used: `peek`
Nov 28 11:24:30.952 INFO [stderr]   --> src/linked_list.rs:38:3
Nov 28 11:24:30.952 INFO [stderr]    |
Nov 28 11:24:30.952 INFO [stderr] 38 |   pub fn peek(&self) -> Option<&T> {
Nov 28 11:24:30.952 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:24:30.952 INFO [stderr] 
Nov 28 11:24:30.952 INFO [stderr] warning: method is never used: `peek_mut`
Nov 28 11:24:30.952 INFO [stderr]   --> src/linked_list.rs:44:3
Nov 28 11:24:30.952 INFO [stderr]    |
Nov 28 11:24:30.952 INFO [stderr] 44 |   pub fn peek_mut(&mut self) -> Option<&mut T> {
Nov 28 11:24:30.952 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:24:30.953 INFO [stderr] 
Nov 28 11:24:30.953 INFO [stderr] warning: method is never used: `into_iter`
Nov 28 11:24:30.953 INFO [stderr]   --> src/linked_list.rs:50:3
Nov 28 11:24:30.953 INFO [stderr]    |
Nov 28 11:24:30.953 INFO [stderr] 50 |   pub fn into_iter(self) -> IntoIter<T> {
Nov 28 11:24:30.953 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:24:30.953 INFO [stderr] 
Nov 28 11:24:31.242 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Nov 28 11:24:31.248 INFO [stderr] su: No module specific data is present
Nov 28 11:24:32.530 INFO running `"docker" "inspect" "48d6b9440cb7d342577d4c47e5d5d62c1ec09456d2e1af5225c0414194307851"`
Nov 28 11:24:32.830 INFO running `"docker" "rm" "-f" "48d6b9440cb7d342577d4c47e5d5d62c1ec09456d2e1af5225c0414194307851"`
Nov 28 11:24:33.149 INFO [stdout] 48d6b9440cb7d342577d4c47e5d5d62c1ec09456d2e1af5225c0414194307851