Nov 29 20:04:30.094 INFO checking raiker/persistent-rope against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 20:04:30.094 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 20:04:30.577 INFO [stdout] 45cbdbcb0e62c8bf4b3c32a0de91c155c4ccab1b5b86f6b69e46d564c8e8da27
Nov 29 20:04:30.579 INFO running `"docker" "start" "-a" "45cbdbcb0e62c8bf4b3c32a0de91c155c4ccab1b5b86f6b69e46d564c8e8da27"`
Nov 29 20:04:32.449 INFO [stderr] usermod: no changes
Nov 29 20:04:32.496 INFO [stderr]     Checking persistent-rope v0.1.0 (/source)
Nov 29 20:04:33.056 INFO [stderr] warning: unused variable: `parent`
Nov 29 20:04:33.056 INFO [stderr]    --> src/main.rs:141:69
Nov 29 20:04:33.056 INFO [stderr]     |
Nov 29 20:04:33.056 INFO [stderr] 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 29 20:04:33.056 INFO [stderr]     |                                                                        ^^^^^^ help: consider using `_parent` instead
Nov 29 20:04:33.056 INFO [stderr]     |
Nov 29 20:04:33.056 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 20:04:33.056 INFO [stderr] 
Nov 29 20:04:33.108 INFO [stderr] warning: struct is never constructed: `RcSliceableString`
Nov 29 20:04:33.108 INFO [stderr]  --> src/rcstr.rs:3:1
Nov 29 20:04:33.108 INFO [stderr]   |
Nov 29 20:04:33.108 INFO [stderr] 3 | pub struct RcSliceableString {
Nov 29 20:04:33.108 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:04:33.108 INFO [stderr]   |
Nov 29 20:04:33.108 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 20:04:33.108 INFO [stderr] 
Nov 29 20:04:33.108 INFO [stderr] warning: method is never used: `new`
Nov 29 20:04:33.108 INFO [stderr]   --> src/rcstr.rs:10:2
Nov 29 20:04:33.108 INFO [stderr]    |
Nov 29 20:04:33.108 INFO [stderr] 10 |     pub fn new(s: String) -> RcSliceableString {
Nov 29 20:04:33.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:04:33.108 INFO [stderr] 
Nov 29 20:04:33.108 INFO [stderr] warning: method is never used: `slice`
Nov 29 20:04:33.108 INFO [stderr]   --> src/rcstr.rs:19:2
Nov 29 20:04:33.108 INFO [stderr]    |
Nov 29 20:04:33.108 INFO [stderr] 19 |     pub fn slice(&self, start: usize, len: usize) -> RcSliceableString {
Nov 29 20:04:33.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:04:33.108 INFO [stderr] 
Nov 29 20:04:33.108 INFO [stderr] warning: method is never used: `as_str`
Nov 29 20:04:33.108 INFO [stderr]   --> src/rcstr.rs:34:2
Nov 29 20:04:33.108 INFO [stderr]    |
Nov 29 20:04:33.108 INFO [stderr] 34 |     pub fn as_str(&self) -> &str {
Nov 29 20:04:33.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 20:04:33.108 INFO [stderr] 
Nov 29 20:04:33.546 INFO [stderr] warning: unused variable: `parent`
Nov 29 20:04:33.546 INFO [stderr]    --> src/main.rs:141:69
Nov 29 20:04:33.546 INFO [stderr]     |
Nov 29 20:04:33.546 INFO [stderr] 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 29 20:04:33.546 INFO [stderr]     |                                                                        ^^^^^^ help: consider using `_parent` instead
Nov 29 20:04:33.546 INFO [stderr]     |
Nov 29 20:04:33.546 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 29 20:04:33.546 INFO [stderr] 
Nov 29 20:04:33.770 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Nov 29 20:04:33.772 INFO [stderr] su: No module specific data is present
Nov 29 20:04:34.092 INFO running `"docker" "inspect" "45cbdbcb0e62c8bf4b3c32a0de91c155c4ccab1b5b86f6b69e46d564c8e8da27"`
Nov 29 20:04:34.316 INFO running `"docker" "rm" "-f" "45cbdbcb0e62c8bf4b3c32a0de91c155c4ccab1b5b86f6b69e46d564c8e8da27"`
Nov 29 20:04:34.569 INFO [stdout] 45cbdbcb0e62c8bf4b3c32a0de91c155c4ccab1b5b86f6b69e46d564c8e8da27