Nov 06 11:46:31.621 INFO checking varzac/rust_collections against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 11:46:31.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 11:46:31.820 INFO blam! 8c475107c1cd0d1b021054300705a846aa61ab00e18cc3b9b4dccfc343f2acdb
Nov 06 11:46:31.833 INFO running `"docker" "start" "-a" "8c475107c1cd0d1b021054300705a846aa61ab00e18cc3b9b4dccfc343f2acdb"`
Nov 06 11:46:32.700 INFO kablam! usermod: no changes
Nov 06 11:46:32.730 INFO kablam! warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Nov 06 11:46:32.730 INFO kablam! please set bin.path in Cargo.toml
Nov 06 11:46:32.730 INFO kablam!     Checking linked_list v0.0.1 (/source)
Nov 06 11:46:32.953 INFO kablam! warning: method is never used: `delete_val`
Nov 06 11:46:32.953 INFO kablam!   --> src/linked_list.rs:14:5
Nov 06 11:46:32.953 INFO kablam!    |
Nov 06 11:46:32.954 INFO kablam! 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Nov 06 11:46:32.954 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 11:46:32.954 INFO kablam!    |
Nov 06 11:46:32.954 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 06 11:46:32.955 INFO kablam! 
Nov 06 11:46:32.955 INFO kablam! warning: method is never used: `insert_val`
Nov 06 11:46:32.955 INFO kablam!   --> src/linked_list.rs:38:5
Nov 06 11:46:32.956 INFO kablam!    |
Nov 06 11:46:32.956 INFO kablam! 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Nov 06 11:46:32.956 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 11:46:32.956 INFO kablam! 
Nov 06 11:46:32.957 INFO kablam! warning: method is never used: `length`
Nov 06 11:46:32.957 INFO kablam!   --> src/linked_list.rs:42:5
Nov 06 11:46:32.957 INFO kablam!    |
Nov 06 11:46:32.957 INFO kablam! 42 |     fn length(&self) -> i32 {
Nov 06 11:46:32.957 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 11:46:32.958 INFO kablam! 
Nov 06 11:46:32.958 INFO kablam! warning: method is never used: `find`
Nov 06 11:46:32.958 INFO kablam!   --> src/linked_list.rs:66:5
Nov 06 11:46:32.958 INFO kablam!    |
Nov 06 11:46:32.958 INFO kablam! 66 |     fn find(&self, val: T) -> Option<i32> {
Nov 06 11:46:32.959 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 11:46:32.959 INFO kablam! 
Nov 06 11:46:33.077 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Nov 06 11:46:33.080 INFO kablam! su: No module specific data is present
Nov 06 11:46:33.354 INFO running `"docker" "rm" "-f" "8c475107c1cd0d1b021054300705a846aa61ab00e18cc3b9b4dccfc343f2acdb"`
Nov 06 11:46:33.466 INFO blam! 8c475107c1cd0d1b021054300705a846aa61ab00e18cc3b9b4dccfc343f2acdb