Oct 26 22:31:38.965 INFO checking raiker/persistent-rope against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 22:31:38.966 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 26 22:31:39.365 INFO blam! 2cfa5b102e8158ab16882bb705872a8e23a4990228037f91b82cbf640782ebfd
Oct 26 22:31:39.369 INFO running `"docker" "start" "-a" "2cfa5b102e8158ab16882bb705872a8e23a4990228037f91b82cbf640782ebfd"`
Oct 26 22:31:39.935 INFO kablam! usermod: no changes
Oct 26 22:31:39.969 INFO kablam!     Checking persistent-rope v0.1.0 (/source)
Oct 26 22:31:40.283 INFO kablam! warning: unused variable: `parent`
Oct 26 22:31:40.283 INFO kablam!    --> src/main.rs:141:69
Oct 26 22:31:40.283 INFO kablam!     |
Oct 26 22:31:40.283 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>{
Oct 26 22:31:40.283 INFO kablam!     |                                                                        ^^^^^^ help: consider using `_parent` instead
Oct 26 22:31:40.283 INFO kablam!     |
Oct 26 22:31:40.283 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 26 22:31:40.283 INFO kablam! 
Oct 26 22:31:40.303 INFO kablam! warning: struct is never constructed: `RcSliceableString`
Oct 26 22:31:40.303 INFO kablam!  --> src/rcstr.rs:3:1
Oct 26 22:31:40.303 INFO kablam!   |
Oct 26 22:31:40.303 INFO kablam! 3 | pub struct RcSliceableString {
Oct 26 22:31:40.303 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 22:31:40.303 INFO kablam!   |
Oct 26 22:31:40.303 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 26 22:31:40.303 INFO kablam! 
Oct 26 22:31:40.303 INFO kablam! warning: method is never used: `new`
Oct 26 22:31:40.303 INFO kablam!   --> src/rcstr.rs:10:2
Oct 26 22:31:40.303 INFO kablam!    |
Oct 26 22:31:40.303 INFO kablam! 10 |     pub fn new(s: String) -> RcSliceableString {
Oct 26 22:31:40.303 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 22:31:40.303 INFO kablam! 
Oct 26 22:31:40.305 INFO kablam! warning: method is never used: `slice`
Oct 26 22:31:40.305 INFO kablam!   --> src/rcstr.rs:19:2
Oct 26 22:31:40.305 INFO kablam!    |
Oct 26 22:31:40.305 INFO kablam! 19 |     pub fn slice(&self, start: usize, len: usize) -> RcSliceableString {
Oct 26 22:31:40.305 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 22:31:40.305 INFO kablam! 
Oct 26 22:31:40.305 INFO kablam! warning: method is never used: `as_str`
Oct 26 22:31:40.305 INFO kablam!   --> src/rcstr.rs:34:2
Oct 26 22:31:40.305 INFO kablam!    |
Oct 26 22:31:40.305 INFO kablam! 34 |     pub fn as_str(&self) -> &str {
Oct 26 22:31:40.305 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 22:31:40.305 INFO kablam! 
Oct 26 22:31:40.761 INFO kablam! warning: unused variable: `parent`
Oct 26 22:31:40.761 INFO kablam!    --> src/main.rs:141:69
Oct 26 22:31:40.761 INFO kablam!     |
Oct 26 22:31:40.761 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>{
Oct 26 22:31:40.761 INFO kablam!     |                                                                        ^^^^^^ help: consider using `_parent` instead
Oct 26 22:31:40.761 INFO kablam!     |
Oct 26 22:31:40.761 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 26 22:31:40.761 INFO kablam! 
Oct 26 22:31:40.949 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Oct 26 22:31:40.951 INFO kablam! su: No module specific data is present
Oct 26 22:31:42.125 INFO running `"docker" "rm" "-f" "2cfa5b102e8158ab16882bb705872a8e23a4990228037f91b82cbf640782ebfd"`
Oct 26 22:31:42.423 INFO blam! 2cfa5b102e8158ab16882bb705872a8e23a4990228037f91b82cbf640782ebfd