Nov 03 09:20:59.265 INFO checking disjoint-set-0.0.2 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 09:20:59.265 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 09:20:59.695 INFO blam! 62e2b3c459b70cffa1fb5ce149054545898f601669daf0bc843236c8b9bae4ab
Nov 03 09:20:59.704 INFO running `"docker" "start" "-a" "62e2b3c459b70cffa1fb5ce149054545898f601669daf0bc843236c8b9bae4ab"`
Nov 03 09:21:00.680 INFO kablam! usermod: no changes
Nov 03 09:21:00.733 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Nov 03 09:21:01.524 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 03 09:21:01.524 INFO kablam!  --> src/lib.rs:3:5
Nov 03 09:21:01.525 INFO kablam!   |
Nov 03 09:21:01.525 INFO kablam! 3 | use std::rc::Rc;
Nov 03 09:21:01.525 INFO kablam!   |     ^^^^^^^^^^^
Nov 03 09:21:01.525 INFO kablam!   |
Nov 03 09:21:01.526 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 09:21:01.526 INFO kablam! 
Nov 03 09:21:01.556 INFO kablam! warning: unused variable: `p`
Nov 03 09:21:01.556 INFO kablam!   --> src/lib.rs:37:18
Nov 03 09:21:01.556 INFO kablam!    |
Nov 03 09:21:01.557 INFO kablam! 37 |             Some(p) => return,
Nov 03 09:21:01.557 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 03 09:21:01.557 INFO kablam!    |
Nov 03 09:21:01.557 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 09:21:01.558 INFO kablam! 
Nov 03 09:21:01.565 INFO kablam! warning: variable does not need to be mutable
Nov 03 09:21:01.565 INFO kablam!   --> src/lib.rs:35:13
Nov 03 09:21:01.565 INFO kablam!    |
Nov 03 09:21:01.565 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 03 09:21:01.566 INFO kablam!    |             ----^^^
Nov 03 09:21:01.566 INFO kablam!    |             |
Nov 03 09:21:01.566 INFO kablam!    |             help: remove this `mut`
Nov 03 09:21:01.566 INFO kablam!    |
Nov 03 09:21:01.567 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 09:21:01.567 INFO kablam! 
Nov 03 09:21:01.567 INFO kablam! warning: variable does not need to be mutable
Nov 03 09:21:01.567 INFO kablam!   --> src/lib.rs:53:13
Nov 03 09:21:01.568 INFO kablam!    |
Nov 03 09:21:01.568 INFO kablam! 53 |         let mut pos: usize;
Nov 03 09:21:01.568 INFO kablam!    |             ----^^^
Nov 03 09:21:01.568 INFO kablam!    |             |
Nov 03 09:21:01.569 INFO kablam!    |             help: remove this `mut`
Nov 03 09:21:01.569 INFO kablam! 
Nov 03 09:21:01.569 INFO kablam! warning: variant is never constructed: `Root`
Nov 03 09:21:01.569 INFO kablam!  --> src/lib.rs:7:5
Nov 03 09:21:01.570 INFO kablam!   |
Nov 03 09:21:01.570 INFO kablam! 7 |     Root(ValueType, u32),
Nov 03 09:21:01.570 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:01.570 INFO kablam!   |
Nov 03 09:21:01.570 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 09:21:01.571 INFO kablam! 
Nov 03 09:21:01.571 INFO kablam! warning: variant is never constructed: `Link`
Nov 03 09:21:01.571 INFO kablam!  --> src/lib.rs:8:5
Nov 03 09:21:01.571 INFO kablam!   |
Nov 03 09:21:01.572 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 03 09:21:01.572 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:01.572 INFO kablam! 
Nov 03 09:21:01.645 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 03 09:21:01.645 INFO kablam!  --> src/lib.rs:3:5
Nov 03 09:21:01.645 INFO kablam!   |
Nov 03 09:21:01.646 INFO kablam! 3 | use std::rc::Rc;
Nov 03 09:21:01.646 INFO kablam!   |     ^^^^^^^^^^^
Nov 03 09:21:01.646 INFO kablam!   |
Nov 03 09:21:01.646 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 09:21:01.647 INFO kablam! 
Nov 03 09:21:01.720 INFO kablam! warning: unused variable: `p`
Nov 03 09:21:01.720 INFO kablam!   --> src/lib.rs:37:18
Nov 03 09:21:01.720 INFO kablam!    |
Nov 03 09:21:01.720 INFO kablam! 37 |             Some(p) => return,
Nov 03 09:21:01.720 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 03 09:21:01.720 INFO kablam!    |
Nov 03 09:21:01.720 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 03 09:21:01.720 INFO kablam! 
Nov 03 09:21:01.720 INFO kablam! warning: variable does not need to be mutable
Nov 03 09:21:01.720 INFO kablam!   --> src/lib.rs:35:13
Nov 03 09:21:01.720 INFO kablam!    |
Nov 03 09:21:01.720 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 03 09:21:01.720 INFO kablam!    |             ----^^^
Nov 03 09:21:01.720 INFO kablam!    |             |
Nov 03 09:21:01.720 INFO kablam!    |             help: remove this `mut`
Nov 03 09:21:01.720 INFO kablam!    |
Nov 03 09:21:01.720 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 09:21:01.720 INFO kablam! 
Nov 03 09:21:01.720 INFO kablam! warning: variable does not need to be mutable
Nov 03 09:21:01.720 INFO kablam!   --> src/lib.rs:53:13
Nov 03 09:21:01.720 INFO kablam!    |
Nov 03 09:21:01.720 INFO kablam! 53 |         let mut pos: usize;
Nov 03 09:21:01.720 INFO kablam!    |             ----^^^
Nov 03 09:21:01.720 INFO kablam!    |             |
Nov 03 09:21:01.720 INFO kablam!    |             help: remove this `mut`
Nov 03 09:21:01.720 INFO kablam! 
Nov 03 09:21:01.720 INFO kablam! warning: variant is never constructed: `Root`
Nov 03 09:21:01.720 INFO kablam!  --> src/lib.rs:7:5
Nov 03 09:21:01.720 INFO kablam!   |
Nov 03 09:21:01.720 INFO kablam! 7 |     Root(ValueType, u32),
Nov 03 09:21:01.720 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:01.720 INFO kablam!   |
Nov 03 09:21:01.720 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 03 09:21:01.720 INFO kablam! 
Nov 03 09:21:01.720 INFO kablam! warning: variant is never constructed: `Link`
Nov 03 09:21:01.720 INFO kablam!  --> src/lib.rs:8:5
Nov 03 09:21:01.721 INFO kablam!   |
Nov 03 09:21:01.721 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 03 09:21:01.721 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:01.721 INFO kablam! 
Nov 03 09:21:01.721 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 09:21:01.721 INFO kablam!    --> src/lib.rs:106:5
Nov 03 09:21:01.721 INFO kablam!     |
Nov 03 09:21:01.721 INFO kablam! 106 |     ds.union(1, 2);
Nov 03 09:21:01.721 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 03 09:21:01.721 INFO kablam!     |
Nov 03 09:21:01.721 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 09:21:01.728 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 09:21:01.728 INFO kablam! 
Nov 03 09:21:01.728 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 09:21:01.728 INFO kablam!    --> src/lib.rs:107:5
Nov 03 09:21:01.728 INFO kablam!     |
Nov 03 09:21:01.728 INFO kablam! 107 |     ds.union(2, 3);
Nov 03 09:21:01.728 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 03 09:21:01.728 INFO kablam!     |
Nov 03 09:21:01.728 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 09:21:01.728 INFO kablam! 
Nov 03 09:21:01.728 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 09:21:01.728 INFO kablam!    --> src/lib.rs:118:5
Nov 03 09:21:01.728 INFO kablam!     |
Nov 03 09:21:01.728 INFO kablam! 118 |     ds.union(-1, 4);
Nov 03 09:21:01.728 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 03 09:21:01.728 INFO kablam!     |
Nov 03 09:21:01.728 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 09:21:01.728 INFO kablam! 
Nov 03 09:21:01.728 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 09:21:01.728 INFO kablam!    --> src/lib.rs:119:5
Nov 03 09:21:01.728 INFO kablam!     |
Nov 03 09:21:01.728 INFO kablam! 119 |     ds.union(2, 4);
Nov 03 09:21:01.728 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 03 09:21:01.728 INFO kablam!     |
Nov 03 09:21:01.728 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 09:21:01.728 INFO kablam! 
Nov 03 09:21:01.760 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Nov 03 09:21:01.760 INFO kablam! su: No module specific data is present
Nov 03 09:21:02.551 INFO running `"docker" "rm" "-f" "62e2b3c459b70cffa1fb5ce149054545898f601669daf0bc843236c8b9bae4ab"`
Nov 03 09:21:02.862 INFO blam! 62e2b3c459b70cffa1fb5ce149054545898f601669daf0bc843236c8b9bae4ab