Nov 09 02:57:05.128 INFO checking varzac/rust_collections against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 02:57:05.128 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-4/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 02:57:05.276 INFO blam! 79df3438537082f22e5e5070454c73a9a95373869e757a993b55b1a247bd98e5
Nov 09 02:57:05.277 INFO running `"docker" "start" "-a" "79df3438537082f22e5e5070454c73a9a95373869e757a993b55b1a247bd98e5"`
Nov 09 02:57:05.759 INFO kablam! usermod: no changes
Nov 09 02:57:05.782 INFO kablam! warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Nov 09 02:57:05.782 INFO kablam! please set bin.path in Cargo.toml
Nov 09 02:57:05.784 INFO kablam!     Checking linked_list v0.0.1 (/source)
Nov 09 02:57:05.943 INFO kablam! warning: method is never used: `delete_val`
Nov 09 02:57:05.943 INFO kablam!   --> src/linked_list.rs:14:5
Nov 09 02:57:05.943 INFO kablam!    |
Nov 09 02:57:05.943 INFO kablam! 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Nov 09 02:57:05.943 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 02:57:05.943 INFO kablam!    |
Nov 09 02:57:05.943 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 09 02:57:05.943 INFO kablam! 
Nov 09 02:57:05.943 INFO kablam! warning: method is never used: `insert_val`
Nov 09 02:57:05.943 INFO kablam!   --> src/linked_list.rs:38:5
Nov 09 02:57:05.943 INFO kablam!    |
Nov 09 02:57:05.943 INFO kablam! 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Nov 09 02:57:05.943 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 02:57:05.943 INFO kablam! 
Nov 09 02:57:05.943 INFO kablam! warning: method is never used: `length`
Nov 09 02:57:05.943 INFO kablam!   --> src/linked_list.rs:42:5
Nov 09 02:57:05.944 INFO kablam!    |
Nov 09 02:57:05.944 INFO kablam! 42 |     fn length(&self) -> i32 {
Nov 09 02:57:05.944 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 02:57:05.944 INFO kablam! 
Nov 09 02:57:05.944 INFO kablam! warning: method is never used: `find`
Nov 09 02:57:05.944 INFO kablam!   --> src/linked_list.rs:66:5
Nov 09 02:57:05.944 INFO kablam!    |
Nov 09 02:57:05.944 INFO kablam! 66 |     fn find(&self, val: T) -> Option<i32> {
Nov 09 02:57:05.944 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 02:57:05.944 INFO kablam! 
Nov 09 02:57:06.033 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Nov 09 02:57:06.033 INFO kablam! su: No module specific data is present
Nov 09 02:57:06.286 INFO running `"docker" "rm" "-f" "79df3438537082f22e5e5070454c73a9a95373869e757a993b55b1a247bd98e5"`
Nov 09 02:57:06.365 INFO blam! 79df3438537082f22e5e5070454c73a9a95373869e757a993b55b1a247bd98e5