Nov 04 00:44:32.407 INFO checking raiker/persistent-rope against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 00:44:32.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 00:44:32.601 INFO blam! 1e8e9031aa5996e469ded8580afcc6d7cd42ed9eed0f4dabbab25a08d0cf0eb4
Nov 04 00:44:32.601 INFO running `"docker" "start" "-a" "1e8e9031aa5996e469ded8580afcc6d7cd42ed9eed0f4dabbab25a08d0cf0eb4"`
Nov 04 00:44:33.247 INFO kablam! usermod: no changes
Nov 04 00:44:33.295 INFO kablam!     Checking persistent-rope v0.1.0 (/source)
Nov 04 00:44:33.647 INFO kablam! warning: unused variable: `parent`
Nov 04 00:44:33.648 INFO kablam!    --> src/main.rs:141:69
Nov 04 00:44:33.648 INFO kablam!     |
Nov 04 00:44:33.648 INFO kablam! 141 |     fn rec_insert(key: K, val: V, current: &Rc<Option<TreeNode<K,V>>>, parent: Option<&Rc<Option<TreeNode<K,V>>>>) -> InsertionResultRecursion<K,V>{
Nov 04 00:44:33.648 INFO kablam!     |                                                                        ^^^^^^ help: consider using `_parent` instead
Nov 04 00:44:33.648 INFO kablam!     |
Nov 04 00:44:33.648 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 04 00:44:33.648 INFO kablam! 
Nov 04 00:44:33.669 INFO kablam! warning: struct is never constructed: `RcSliceableString`
Nov 04 00:44:33.670 INFO kablam!  --> src/rcstr.rs:3:1
Nov 04 00:44:33.670 INFO kablam!   |
Nov 04 00:44:33.671 INFO kablam! 3 | pub struct RcSliceableString {
Nov 04 00:44:33.671 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 00:44:33.671 INFO kablam!   |
Nov 04 00:44:33.671 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 00:44:33.671 INFO kablam! 
Nov 04 00:44:33.671 INFO kablam! warning: method is never used: `new`
Nov 04 00:44:33.671 INFO kablam!   --> src/rcstr.rs:10:2
Nov 04 00:44:33.671 INFO kablam!    |
Nov 04 00:44:33.671 INFO kablam! 10 |     pub fn new(s: String) -> RcSliceableString {
Nov 04 00:44:33.671 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 00:44:33.671 INFO kablam! 
Nov 04 00:44:33.671 INFO kablam! warning: method is never used: `slice`
Nov 04 00:44:33.671 INFO kablam!   --> src/rcstr.rs:19:2
Nov 04 00:44:33.671 INFO kablam!    |
Nov 04 00:44:33.671 INFO kablam! 19 |     pub fn slice(&self, start: usize, len: usize) -> RcSliceableString {
Nov 04 00:44:33.671 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 00:44:33.671 INFO kablam! 
Nov 04 00:44:33.671 INFO kablam! warning: method is never used: `as_str`
Nov 04 00:44:33.671 INFO kablam!   --> src/rcstr.rs:34:2
Nov 04 00:44:33.671 INFO kablam!    |
Nov 04 00:44:33.671 INFO kablam! 34 |     pub fn as_str(&self) -> &str {
Nov 04 00:44:33.671 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 00:44:33.671 INFO kablam! 
Nov 04 00:44:34.168 INFO kablam! warning: unused variable: `parent`
Nov 04 00:44:34.168 INFO kablam!    --> src/main.rs:141:69
Nov 04 00:44:34.168 INFO kablam!     |
Nov 04 00:44:34.168 INFO kablam! 141 |     fn rec_insert(key: K, val: V, current: &Rc<Option<TreeNode<K,V>>>, parent: Option<&Rc<Option<TreeNode<K,V>>>>) -> InsertionResultRecursion<K,V>{
Nov 04 00:44:34.168 INFO kablam!     |                                                                        ^^^^^^ help: consider using `_parent` instead
Nov 04 00:44:34.170 INFO kablam!     |
Nov 04 00:44:34.171 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 04 00:44:34.171 INFO kablam! 
Nov 04 00:44:34.388 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Nov 04 00:44:34.393 INFO kablam! su: No module specific data is present
Nov 04 00:44:34.926 INFO running `"docker" "rm" "-f" "1e8e9031aa5996e469ded8580afcc6d7cd42ed9eed0f4dabbab25a08d0cf0eb4"`
Nov 04 00:44:35.251 INFO blam! 1e8e9031aa5996e469ded8580afcc6d7cd42ed9eed0f4dabbab25a08d0cf0eb4