Nov 02 08:15:28.576 INFO checking raiker/persistent-rope against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 08:15:28.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 08:15:28.988 INFO blam! ff3411b36ca243b6db3fb8b762ae7c062e13892f14c1eb4a1b7b244cd2722dc6
Nov 02 08:15:28.991 INFO running `"docker" "start" "-a" "ff3411b36ca243b6db3fb8b762ae7c062e13892f14c1eb4a1b7b244cd2722dc6"`
Nov 02 08:15:30.709 INFO kablam! usermod: no changes
Nov 02 08:15:30.776 INFO kablam!     Checking persistent-rope v0.1.0 (/source)
Nov 02 08:15:31.247 INFO kablam! warning: unused variable: `parent`
Nov 02 08:15:31.247 INFO kablam!    --> src/main.rs:141:69
Nov 02 08:15:31.247 INFO kablam!     |
Nov 02 08:15:31.247 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 02 08:15:31.247 INFO kablam!     |                                                                        ^^^^^^ help: consider using `_parent` instead
Nov 02 08:15:31.247 INFO kablam!     |
Nov 02 08:15:31.247 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 02 08:15:31.247 INFO kablam! 
Nov 02 08:15:31.277 INFO kablam! warning: struct is never constructed: `RcSliceableString`
Nov 02 08:15:31.277 INFO kablam!  --> src/rcstr.rs:3:1
Nov 02 08:15:31.277 INFO kablam!   |
Nov 02 08:15:31.277 INFO kablam! 3 | pub struct RcSliceableString {
Nov 02 08:15:31.277 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:15:31.277 INFO kablam!   |
Nov 02 08:15:31.277 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 08:15:31.277 INFO kablam! 
Nov 02 08:15:31.277 INFO kablam! warning: method is never used: `new`
Nov 02 08:15:31.277 INFO kablam!   --> src/rcstr.rs:10:2
Nov 02 08:15:31.277 INFO kablam!    |
Nov 02 08:15:31.277 INFO kablam! 10 |     pub fn new(s: String) -> RcSliceableString {
Nov 02 08:15:31.277 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:15:31.277 INFO kablam! 
Nov 02 08:15:31.277 INFO kablam! warning: method is never used: `slice`
Nov 02 08:15:31.277 INFO kablam!   --> src/rcstr.rs:19:2
Nov 02 08:15:31.277 INFO kablam!    |
Nov 02 08:15:31.277 INFO kablam! 19 |     pub fn slice(&self, start: usize, len: usize) -> RcSliceableString {
Nov 02 08:15:31.277 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:15:31.279 INFO kablam! 
Nov 02 08:15:31.279 INFO kablam! warning: method is never used: `as_str`
Nov 02 08:15:31.279 INFO kablam!   --> src/rcstr.rs:34:2
Nov 02 08:15:31.279 INFO kablam!    |
Nov 02 08:15:31.279 INFO kablam! 34 |     pub fn as_str(&self) -> &str {
Nov 02 08:15:31.279 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 08:15:31.279 INFO kablam! 
Nov 02 08:15:31.799 INFO kablam! warning: unused variable: `parent`
Nov 02 08:15:31.799 INFO kablam!    --> src/main.rs:141:69
Nov 02 08:15:31.800 INFO kablam!     |
Nov 02 08:15:31.800 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 02 08:15:31.800 INFO kablam!     |                                                                        ^^^^^^ help: consider using `_parent` instead
Nov 02 08:15:31.800 INFO kablam!     |
Nov 02 08:15:31.800 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 02 08:15:31.800 INFO kablam! 
Nov 02 08:15:32.028 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Nov 02 08:15:32.028 INFO kablam! su: No module specific data is present
Nov 02 08:15:32.565 INFO running `"docker" "rm" "-f" "ff3411b36ca243b6db3fb8b762ae7c062e13892f14c1eb4a1b7b244cd2722dc6"`
Nov 02 08:15:32.800 INFO blam! ff3411b36ca243b6db3fb8b762ae7c062e13892f14c1eb4a1b7b244cd2722dc6