Oct 12 11:24:29.742 INFO checking varzac/rust_collections against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 11:24:29.742 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 11:24:30.285 INFO blam! 6edcc51fe71f1b93f73ee00b11320bb6e62499317a3aabc77f64ce12b9c34f53
Oct 12 11:24:30.286 INFO running `"docker" "start" "-a" "6edcc51fe71f1b93f73ee00b11320bb6e62499317a3aabc77f64ce12b9c34f53"`
Oct 12 11:24:31.619 INFO kablam! usermod: no changes
Oct 12 11:24:31.652 INFO kablam! warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Oct 12 11:24:31.653 INFO kablam! please set bin.path in Cargo.toml
Oct 12 11:24:31.663 INFO kablam!     Checking linked_list v0.0.1 (/source)
Oct 12 11:24:32.144 INFO kablam! warning: method is never used: `delete_val`
Oct 12 11:24:32.144 INFO kablam!   --> src/linked_list.rs:14:5
Oct 12 11:24:32.144 INFO kablam!    |
Oct 12 11:24:32.144 INFO kablam! 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Oct 12 11:24:32.144 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:24:32.144 INFO kablam!    |
Oct 12 11:24:32.146 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 11:24:32.146 INFO kablam! 
Oct 12 11:24:32.146 INFO kablam! warning: method is never used: `insert_val`
Oct 12 11:24:32.146 INFO kablam!   --> src/linked_list.rs:38:5
Oct 12 11:24:32.146 INFO kablam!    |
Oct 12 11:24:32.146 INFO kablam! 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Oct 12 11:24:32.146 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:24:32.146 INFO kablam! 
Oct 12 11:24:32.146 INFO kablam! warning: method is never used: `length`
Oct 12 11:24:32.146 INFO kablam!   --> src/linked_list.rs:42:5
Oct 12 11:24:32.146 INFO kablam!    |
Oct 12 11:24:32.146 INFO kablam! 42 |     fn length(&self) -> i32 {
Oct 12 11:24:32.146 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:24:32.146 INFO kablam! 
Oct 12 11:24:32.146 INFO kablam! warning: method is never used: `find`
Oct 12 11:24:32.146 INFO kablam!   --> src/linked_list.rs:66:5
Oct 12 11:24:32.146 INFO kablam!    |
Oct 12 11:24:32.146 INFO kablam! 66 |     fn find(&self, val: T) -> Option<i32> {
Oct 12 11:24:32.146 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 11:24:32.146 INFO kablam! 
Oct 12 11:24:32.199 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Oct 12 11:24:32.201 INFO kablam! su: No module specific data is present
Oct 12 11:24:32.948 INFO running `"docker" "rm" "-f" "6edcc51fe71f1b93f73ee00b11320bb6e62499317a3aabc77f64ce12b9c34f53"`
Oct 12 11:24:33.168 INFO blam! 6edcc51fe71f1b93f73ee00b11320bb6e62499317a3aabc77f64ce12b9c34f53