Oct 31 18:48:09.625 INFO checking varzac/rust_collections against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 18:48:09.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 18:48:09.825 INFO blam! e7ece35123c2f02ccd8a616fd289ff96fbac1d1cecb3ece8569954857dcd6063
Oct 31 18:48:09.826 INFO running `"docker" "start" "-a" "e7ece35123c2f02ccd8a616fd289ff96fbac1d1cecb3ece8569954857dcd6063"`
Oct 31 18:48:10.410 INFO kablam! usermod: no changes
Oct 31 18:48:10.436 INFO kablam! warning: path `/source/src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
Oct 31 18:48:10.437 INFO kablam! please set bin.path in Cargo.toml
Oct 31 18:48:10.437 INFO kablam!     Checking linked_list v0.0.1 (/source)
Oct 31 18:48:10.625 INFO kablam! warning: method is never used: `delete_val`
Oct 31 18:48:10.625 INFO kablam!   --> src/linked_list.rs:14:5
Oct 31 18:48:10.625 INFO kablam!    |
Oct 31 18:48:10.625 INFO kablam! 14 |     fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
Oct 31 18:48:10.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:48:10.625 INFO kablam!    |
Oct 31 18:48:10.625 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 18:48:10.625 INFO kablam! 
Oct 31 18:48:10.625 INFO kablam! warning: method is never used: `insert_val`
Oct 31 18:48:10.625 INFO kablam!   --> src/linked_list.rs:38:5
Oct 31 18:48:10.625 INFO kablam!    |
Oct 31 18:48:10.625 INFO kablam! 38 |     fn insert_val(&self, val: T) -> LinkedList<T> {
Oct 31 18:48:10.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:48:10.625 INFO kablam! 
Oct 31 18:48:10.625 INFO kablam! warning: method is never used: `length`
Oct 31 18:48:10.625 INFO kablam!   --> src/linked_list.rs:42:5
Oct 31 18:48:10.625 INFO kablam!    |
Oct 31 18:48:10.625 INFO kablam! 42 |     fn length(&self) -> i32 {
Oct 31 18:48:10.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:48:10.625 INFO kablam! 
Oct 31 18:48:10.625 INFO kablam! warning: method is never used: `find`
Oct 31 18:48:10.625 INFO kablam!   --> src/linked_list.rs:66:5
Oct 31 18:48:10.625 INFO kablam!    |
Oct 31 18:48:10.625 INFO kablam! 66 |     fn find(&self, val: T) -> Option<i32> {
Oct 31 18:48:10.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:48:10.625 INFO kablam! 
Oct 31 18:48:10.702 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Oct 31 18:48:10.704 INFO kablam! su: No module specific data is present
Oct 31 18:48:10.894 INFO running `"docker" "rm" "-f" "e7ece35123c2f02ccd8a616fd289ff96fbac1d1cecb3ece8569954857dcd6063"`
Oct 31 18:48:11.047 INFO blam! e7ece35123c2f02ccd8a616fd289ff96fbac1d1cecb3ece8569954857dcd6063