Nov 01 23:48:55.841 INFO checking disjoint-set-0.0.2 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538 Nov 01 23:48:55.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 23:48:56.286 INFO blam! aa42e83b0dc09a6386c2d58933b5efb30337004b22fc6db5cb25a0e777f5d8c3 Nov 01 23:48:56.288 INFO running `"docker" "start" "-a" "aa42e83b0dc09a6386c2d58933b5efb30337004b22fc6db5cb25a0e777f5d8c3"` Nov 01 23:48:57.920 INFO kablam! usermod: no changes Nov 01 23:48:57.976 INFO kablam! Checking disjoint-set v0.0.2 (/source) Nov 01 23:48:58.704 INFO kablam! warning: unused import: `std::rc::Rc` Nov 01 23:48:58.704 INFO kablam! --> src/lib.rs:3:5 Nov 01 23:48:58.704 INFO kablam! | Nov 01 23:48:58.704 INFO kablam! 3 | use std::rc::Rc; Nov 01 23:48:58.704 INFO kablam! | ^^^^^^^^^^^ Nov 01 23:48:58.704 INFO kablam! | Nov 01 23:48:58.704 INFO kablam! = note: #[warn(unused_imports)] on by default Nov 01 23:48:58.704 INFO kablam! Nov 01 23:48:58.744 INFO kablam! warning: unused variable: `p` Nov 01 23:48:58.744 INFO kablam! --> src/lib.rs:37:18 Nov 01 23:48:58.744 INFO kablam! | Nov 01 23:48:58.744 INFO kablam! 37 | Some(p) => return, Nov 01 23:48:58.744 INFO kablam! | ^ help: consider using `_p` instead Nov 01 23:48:58.744 INFO kablam! | Nov 01 23:48:58.744 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 23:48:58.744 INFO kablam! Nov 01 23:48:58.756 INFO kablam! warning: variable does not need to be mutable Nov 01 23:48:58.756 INFO kablam! --> src/lib.rs:35:13 Nov 01 23:48:58.756 INFO kablam! | Nov 01 23:48:58.756 INFO kablam! 35 | let mut len = &mut self.set_size; Nov 01 23:48:58.756 INFO kablam! | ----^^^ Nov 01 23:48:58.756 INFO kablam! | | Nov 01 23:48:58.756 INFO kablam! | help: remove this `mut` Nov 01 23:48:58.756 INFO kablam! | Nov 01 23:48:58.756 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 01 23:48:58.756 INFO kablam! Nov 01 23:48:58.756 INFO kablam! warning: variable does not need to be mutable Nov 01 23:48:58.756 INFO kablam! --> src/lib.rs:53:13 Nov 01 23:48:58.756 INFO kablam! | Nov 01 23:48:58.756 INFO kablam! 53 | let mut pos: usize; Nov 01 23:48:58.756 INFO kablam! | ----^^^ Nov 01 23:48:58.756 INFO kablam! | | Nov 01 23:48:58.756 INFO kablam! | help: remove this `mut` Nov 01 23:48:58.756 INFO kablam! Nov 01 23:48:58.764 INFO kablam! warning: variant is never constructed: `Root` Nov 01 23:48:58.765 INFO kablam! --> src/lib.rs:7:5 Nov 01 23:48:58.765 INFO kablam! | Nov 01 23:48:58.765 INFO kablam! 7 | Root(ValueType, u32), Nov 01 23:48:58.765 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Nov 01 23:48:58.765 INFO kablam! | Nov 01 23:48:58.765 INFO kablam! = note: #[warn(dead_code)] on by default Nov 01 23:48:58.765 INFO kablam! Nov 01 23:48:58.765 INFO kablam! warning: variant is never constructed: `Link` Nov 01 23:48:58.765 INFO kablam! --> src/lib.rs:8:5 Nov 01 23:48:58.765 INFO kablam! | Nov 01 23:48:58.765 INFO kablam! 8 | Link(Box>) Nov 01 23:48:58.765 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 23:48:58.765 INFO kablam! Nov 01 23:48:58.896 INFO kablam! warning: unused import: `std::rc::Rc` Nov 01 23:48:58.896 INFO kablam! --> src/lib.rs:3:5 Nov 01 23:48:58.896 INFO kablam! | Nov 01 23:48:58.896 INFO kablam! 3 | use std::rc::Rc; Nov 01 23:48:58.896 INFO kablam! | ^^^^^^^^^^^ Nov 01 23:48:58.896 INFO kablam! | Nov 01 23:48:58.896 INFO kablam! = note: #[warn(unused_imports)] on by default Nov 01 23:48:58.896 INFO kablam! Nov 01 23:48:58.936 INFO kablam! warning: unused variable: `p` Nov 01 23:48:58.936 INFO kablam! --> src/lib.rs:37:18 Nov 01 23:48:58.936 INFO kablam! | Nov 01 23:48:58.936 INFO kablam! 37 | Some(p) => return, Nov 01 23:48:58.936 INFO kablam! | ^ help: consider using `_p` instead Nov 01 23:48:58.936 INFO kablam! | Nov 01 23:48:58.936 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 23:48:58.936 INFO kablam! Nov 01 23:48:58.936 INFO kablam! warning: variable does not need to be mutable Nov 01 23:48:58.936 INFO kablam! --> src/lib.rs:35:13 Nov 01 23:48:58.936 INFO kablam! | Nov 01 23:48:58.936 INFO kablam! 35 | let mut len = &mut self.set_size; Nov 01 23:48:58.936 INFO kablam! | ----^^^ Nov 01 23:48:58.936 INFO kablam! | | Nov 01 23:48:58.936 INFO kablam! | help: remove this `mut` Nov 01 23:48:58.936 INFO kablam! | Nov 01 23:48:58.936 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 01 23:48:58.936 INFO kablam! Nov 01 23:48:58.936 INFO kablam! warning: variable does not need to be mutable Nov 01 23:48:58.936 INFO kablam! --> src/lib.rs:53:13 Nov 01 23:48:58.936 INFO kablam! | Nov 01 23:48:58.936 INFO kablam! 53 | let mut pos: usize; Nov 01 23:48:58.936 INFO kablam! | ----^^^ Nov 01 23:48:58.936 INFO kablam! | | Nov 01 23:48:58.936 INFO kablam! | help: remove this `mut` Nov 01 23:48:58.936 INFO kablam! Nov 01 23:48:58.948 INFO kablam! warning: variant is never constructed: `Root` Nov 01 23:48:58.948 INFO kablam! --> src/lib.rs:7:5 Nov 01 23:48:58.948 INFO kablam! | Nov 01 23:48:58.948 INFO kablam! 7 | Root(ValueType, u32), Nov 01 23:48:58.948 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Nov 01 23:48:58.948 INFO kablam! | Nov 01 23:48:58.948 INFO kablam! = note: #[warn(dead_code)] on by default Nov 01 23:48:58.948 INFO kablam! Nov 01 23:48:58.948 INFO kablam! warning: variant is never constructed: `Link` Nov 01 23:48:58.948 INFO kablam! --> src/lib.rs:8:5 Nov 01 23:48:58.948 INFO kablam! | Nov 01 23:48:58.948 INFO kablam! 8 | Link(Box>) Nov 01 23:48:58.948 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 23:48:58.948 INFO kablam! Nov 01 23:48:58.958 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 23:48:58.958 INFO kablam! --> src/lib.rs:106:5 Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! 106 | ds.union(1, 2); Nov 01 23:48:58.958 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 01 23:48:58.958 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 23:48:58.958 INFO kablam! Nov 01 23:48:58.958 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 23:48:58.958 INFO kablam! --> src/lib.rs:107:5 Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! 107 | ds.union(2, 3); Nov 01 23:48:58.958 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 23:48:58.958 INFO kablam! Nov 01 23:48:58.958 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 23:48:58.958 INFO kablam! --> src/lib.rs:118:5 Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! 118 | ds.union(-1, 4); Nov 01 23:48:58.958 INFO kablam! | ^^^^^^^^^^^^^^^^ Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 23:48:58.958 INFO kablam! Nov 01 23:48:58.958 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 23:48:58.958 INFO kablam! --> src/lib.rs:119:5 Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.958 INFO kablam! 119 | ds.union(2, 4); Nov 01 23:48:58.958 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 01 23:48:58.958 INFO kablam! | Nov 01 23:48:58.959 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 23:48:58.959 INFO kablam! Nov 01 23:48:58.997 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.05s Nov 01 23:48:59.003 INFO kablam! su: No module specific data is present Nov 01 23:48:59.776 INFO running `"docker" "rm" "-f" "aa42e83b0dc09a6386c2d58933b5efb30337004b22fc6db5cb25a0e777f5d8c3"` Nov 01 23:49:00.056 INFO blam! aa42e83b0dc09a6386c2d58933b5efb30337004b22fc6db5cb25a0e777f5d8c3