Nov 04 00:44:27.548 INFO checking raiker/persistent-rope against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655 Nov 04 00:44:27.548 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 00:44:27.801 INFO blam! afe64f5e714a6b4dc5ff385cdf748529fe924e1e505a1571ce740777e1aeada2 Nov 04 00:44:27.804 INFO running `"docker" "start" "-a" "afe64f5e714a6b4dc5ff385cdf748529fe924e1e505a1571ce740777e1aeada2"` Nov 04 00:44:29.254 INFO kablam! usermod: no changes Nov 04 00:44:29.339 INFO kablam! Checking persistent-rope v0.1.0 (/source) Nov 04 00:44:29.787 INFO kablam! warning: unused variable: `parent` Nov 04 00:44:29.788 INFO kablam! --> src/main.rs:141:69 Nov 04 00:44:29.788 INFO kablam! | Nov 04 00:44:29.788 INFO kablam! 141 | fn rec_insert(key: K, val: V, current: &Rc>>, parent: Option<&Rc>>>) -> InsertionResultRecursion{ Nov 04 00:44:29.788 INFO kablam! | ^^^^^^ help: consider using `_parent` instead Nov 04 00:44:29.788 INFO kablam! | Nov 04 00:44:29.788 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 04 00:44:29.788 INFO kablam! Nov 04 00:44:29.816 INFO kablam! warning: struct is never constructed: `RcSliceableString` Nov 04 00:44:29.816 INFO kablam! --> src/rcstr.rs:3:1 Nov 04 00:44:29.816 INFO kablam! | Nov 04 00:44:29.816 INFO kablam! 3 | pub struct RcSliceableString { Nov 04 00:44:29.816 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 04 00:44:29.816 INFO kablam! | Nov 04 00:44:29.818 INFO kablam! = note: #[warn(dead_code)] on by default Nov 04 00:44:29.818 INFO kablam! Nov 04 00:44:29.818 INFO kablam! warning: method is never used: `new` Nov 04 00:44:29.818 INFO kablam! --> src/rcstr.rs:10:2 Nov 04 00:44:29.818 INFO kablam! | Nov 04 00:44:29.818 INFO kablam! 10 | pub fn new(s: String) -> RcSliceableString { Nov 04 00:44:29.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 04 00:44:29.818 INFO kablam! Nov 04 00:44:29.818 INFO kablam! warning: method is never used: `slice` Nov 04 00:44:29.818 INFO kablam! --> src/rcstr.rs:19:2 Nov 04 00:44:29.818 INFO kablam! | Nov 04 00:44:29.818 INFO kablam! 19 | pub fn slice(&self, start: usize, len: usize) -> RcSliceableString { Nov 04 00:44:29.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 04 00:44:29.818 INFO kablam! Nov 04 00:44:29.818 INFO kablam! warning: method is never used: `as_str` Nov 04 00:44:29.818 INFO kablam! --> src/rcstr.rs:34:2 Nov 04 00:44:29.818 INFO kablam! | Nov 04 00:44:29.818 INFO kablam! 34 | pub fn as_str(&self) -> &str { Nov 04 00:44:29.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 04 00:44:29.818 INFO kablam! Nov 04 00:44:30.181 INFO kablam! warning: unused variable: `parent` Nov 04 00:44:30.182 INFO kablam! --> src/main.rs:141:69 Nov 04 00:44:30.183 INFO kablam! | Nov 04 00:44:30.184 INFO kablam! 141 | fn rec_insert(key: K, val: V, current: &Rc>>, parent: Option<&Rc>>>) -> InsertionResultRecursion{ Nov 04 00:44:30.185 INFO kablam! | ^^^^^^ help: consider using `_parent` instead Nov 04 00:44:30.185 INFO kablam! | Nov 04 00:44:30.186 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 04 00:44:30.187 INFO kablam! Nov 04 00:44:30.387 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.10s Nov 04 00:44:30.389 INFO kablam! su: No module specific data is present Nov 04 00:44:31.624 INFO running `"docker" "rm" "-f" "afe64f5e714a6b4dc5ff385cdf748529fe924e1e505a1571ce740777e1aeada2"` Nov 04 00:44:31.751 INFO blam! afe64f5e714a6b4dc5ff385cdf748529fe924e1e505a1571ce740777e1aeada2