Sep 04 19:37:45.274 INFO checking disjoint-set-0.0.2 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893 Sep 04 19:37:45.274 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets Sep 04 19:37:45.274 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 04 19:37:45.425 INFO blam! 0583fc97152dab59018b0a6a1b60be767594458a259033584881065be0ed5050 Sep 04 19:37:45.427 INFO running `"docker" "start" "-a" "0583fc97152dab59018b0a6a1b60be767594458a259033584881065be0ed5050"` Sep 04 19:37:46.301 INFO kablam! Checking disjoint-set v0.0.2 (file:///source) Sep 04 19:37:46.778 INFO kablam! warning: unused import: `std::rc::Rc` Sep 04 19:37:46.778 INFO kablam! --> src/lib.rs:3:5 Sep 04 19:37:46.778 INFO kablam! | Sep 04 19:37:46.778 INFO kablam! 3 | use std::rc::Rc; Sep 04 19:37:46.778 INFO kablam! | ^^^^^^^^^^^ Sep 04 19:37:46.778 INFO kablam! | Sep 04 19:37:46.778 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 04 19:37:46.778 INFO kablam! Sep 04 19:37:46.857 INFO kablam! warning: unused variable: `p` Sep 04 19:37:46.857 INFO kablam! --> src/lib.rs:37:18 Sep 04 19:37:46.857 INFO kablam! | Sep 04 19:37:46.857 INFO kablam! 37 | Some(p) => return, Sep 04 19:37:46.857 INFO kablam! | ^ help: consider using `_p` instead Sep 04 19:37:46.857 INFO kablam! | Sep 04 19:37:46.857 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 04 19:37:46.857 INFO kablam! Sep 04 19:37:46.862 INFO kablam! warning: variable does not need to be mutable Sep 04 19:37:46.862 INFO kablam! --> src/lib.rs:35:13 Sep 04 19:37:46.862 INFO kablam! | Sep 04 19:37:46.862 INFO kablam! 35 | let mut len = &mut self.set_size; Sep 04 19:37:46.862 INFO kablam! | ----^^^ Sep 04 19:37:46.862 INFO kablam! | | Sep 04 19:37:46.862 INFO kablam! | help: remove this `mut` Sep 04 19:37:46.862 INFO kablam! | Sep 04 19:37:46.862 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 04 19:37:46.862 INFO kablam! Sep 04 19:37:46.863 INFO kablam! warning: variable does not need to be mutable Sep 04 19:37:46.863 INFO kablam! --> src/lib.rs:53:13 Sep 04 19:37:46.863 INFO kablam! | Sep 04 19:37:46.863 INFO kablam! 53 | let mut pos: usize; Sep 04 19:37:46.863 INFO kablam! | ----^^^ Sep 04 19:37:46.863 INFO kablam! | | Sep 04 19:37:46.863 INFO kablam! | help: remove this `mut` Sep 04 19:37:46.863 INFO kablam! Sep 04 19:37:46.866 INFO kablam! warning: variant is never constructed: `Root` Sep 04 19:37:46.866 INFO kablam! --> src/lib.rs:7:5 Sep 04 19:37:46.866 INFO kablam! | Sep 04 19:37:46.866 INFO kablam! 7 | Root(ValueType, u32), Sep 04 19:37:46.866 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 04 19:37:46.866 INFO kablam! | Sep 04 19:37:46.866 INFO kablam! = note: #[warn(dead_code)] on by default Sep 04 19:37:46.866 INFO kablam! Sep 04 19:37:46.866 INFO kablam! warning: variant is never constructed: `Link` Sep 04 19:37:46.866 INFO kablam! --> src/lib.rs:8:5 Sep 04 19:37:46.866 INFO kablam! | Sep 04 19:37:46.866 INFO kablam! 8 | Link(Box>) Sep 04 19:37:46.866 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 04 19:37:46.866 INFO kablam! Sep 04 19:37:46.888 INFO kablam! warning: unused import: `std::rc::Rc` Sep 04 19:37:46.888 INFO kablam! --> src/lib.rs:3:5 Sep 04 19:37:46.888 INFO kablam! | Sep 04 19:37:46.888 INFO kablam! 3 | use std::rc::Rc; Sep 04 19:37:46.888 INFO kablam! | ^^^^^^^^^^^ Sep 04 19:37:46.888 INFO kablam! | Sep 04 19:37:46.888 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 04 19:37:46.888 INFO kablam! Sep 04 19:37:46.984 INFO kablam! warning: unused variable: `p` Sep 04 19:37:46.984 INFO kablam! --> src/lib.rs:37:18 Sep 04 19:37:46.984 INFO kablam! | Sep 04 19:37:46.984 INFO kablam! 37 | Some(p) => return, Sep 04 19:37:46.984 INFO kablam! | ^ help: consider using `_p` instead Sep 04 19:37:46.984 INFO kablam! | Sep 04 19:37:46.984 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 04 19:37:46.984 INFO kablam! Sep 04 19:37:46.991 INFO kablam! warning: variable does not need to be mutable Sep 04 19:37:46.991 INFO kablam! --> src/lib.rs:35:13 Sep 04 19:37:46.991 INFO kablam! | Sep 04 19:37:46.991 INFO kablam! 35 | let mut len = &mut self.set_size; Sep 04 19:37:46.991 INFO kablam! | ----^^^ Sep 04 19:37:46.991 INFO kablam! | | Sep 04 19:37:46.991 INFO kablam! | help: remove this `mut` Sep 04 19:37:46.991 INFO kablam! | Sep 04 19:37:46.991 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 04 19:37:46.991 INFO kablam! Sep 04 19:37:46.992 INFO kablam! warning: variable does not need to be mutable Sep 04 19:37:46.992 INFO kablam! --> src/lib.rs:53:13 Sep 04 19:37:46.992 INFO kablam! | Sep 04 19:37:46.992 INFO kablam! 53 | let mut pos: usize; Sep 04 19:37:46.992 INFO kablam! | ----^^^ Sep 04 19:37:46.992 INFO kablam! | | Sep 04 19:37:46.992 INFO kablam! | help: remove this `mut` Sep 04 19:37:46.992 INFO kablam! Sep 04 19:37:46.999 INFO kablam! warning: variant is never constructed: `Root` Sep 04 19:37:46.999 INFO kablam! --> src/lib.rs:7:5 Sep 04 19:37:46.999 INFO kablam! | Sep 04 19:37:46.999 INFO kablam! 7 | Root(ValueType, u32), Sep 04 19:37:46.999 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 04 19:37:47.000 INFO kablam! | Sep 04 19:37:47.000 INFO kablam! = note: #[warn(dead_code)] on by default Sep 04 19:37:47.000 INFO kablam! Sep 04 19:37:47.000 INFO kablam! warning: variant is never constructed: `Link` Sep 04 19:37:47.000 INFO kablam! --> src/lib.rs:8:5 Sep 04 19:37:47.000 INFO kablam! | Sep 04 19:37:47.000 INFO kablam! 8 | Link(Box>) Sep 04 19:37:47.000 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 04 19:37:47.000 INFO kablam! Sep 04 19:37:47.023 INFO kablam! warning: unused `std::result::Result` which must be used Sep 04 19:37:47.023 INFO kablam! --> src/lib.rs:106:5 Sep 04 19:37:47.023 INFO kablam! | Sep 04 19:37:47.023 INFO kablam! 106 | ds.union(1, 2); Sep 04 19:37:47.023 INFO kablam! | ^^^^^^^^^^^^^^^ Sep 04 19:37:47.023 INFO kablam! | Sep 04 19:37:47.023 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 04 19:37:47.023 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 04 19:37:47.024 INFO kablam! Sep 04 19:37:47.024 INFO kablam! warning: unused `std::result::Result` which must be used Sep 04 19:37:47.024 INFO kablam! --> src/lib.rs:107:5 Sep 04 19:37:47.024 INFO kablam! | Sep 04 19:37:47.024 INFO kablam! 107 | ds.union(2, 3); Sep 04 19:37:47.024 INFO kablam! | ^^^^^^^^^^^^^^^ Sep 04 19:37:47.024 INFO kablam! | Sep 04 19:37:47.024 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 04 19:37:47.024 INFO kablam! Sep 04 19:37:47.024 INFO kablam! warning: unused `std::result::Result` which must be used Sep 04 19:37:47.024 INFO kablam! --> src/lib.rs:118:5 Sep 04 19:37:47.024 INFO kablam! | Sep 04 19:37:47.024 INFO kablam! 118 | ds.union(-1, 4); Sep 04 19:37:47.024 INFO kablam! | ^^^^^^^^^^^^^^^^ Sep 04 19:37:47.024 INFO kablam! | Sep 04 19:37:47.024 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 04 19:37:47.024 INFO kablam! Sep 04 19:37:47.024 INFO kablam! warning: unused `std::result::Result` which must be used Sep 04 19:37:47.024 INFO kablam! --> src/lib.rs:119:5 Sep 04 19:37:47.024 INFO kablam! | Sep 04 19:37:47.024 INFO kablam! 119 | ds.union(2, 4); Sep 04 19:37:47.024 INFO kablam! | ^^^^^^^^^^^^^^^ Sep 04 19:37:47.024 INFO kablam! | Sep 04 19:37:47.024 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Sep 04 19:37:47.024 INFO kablam! Sep 04 19:37:47.039 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.75s Sep 04 19:37:47.042 INFO kablam! su: No module specific data is present Sep 04 19:37:47.546 INFO running `"docker" "rm" "-f" "0583fc97152dab59018b0a6a1b60be767594458a259033584881065be0ed5050"` Sep 04 19:37:47.675 INFO blam! 0583fc97152dab59018b0a6a1b60be767594458a259033584881065be0ed5050