Nov 10 07:05:59.186 INFO checking disjoint-set-0.0.2 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 10 07:05:59.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-4/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 10 07:05:59.636 INFO blam! b591ec4cdde8c41e696fc119a18a31fd63ad70387c31e056e2f5f6516db73c37
Nov 10 07:05:59.651 INFO running `"docker" "start" "-a" "b591ec4cdde8c41e696fc119a18a31fd63ad70387c31e056e2f5f6516db73c37"`
Nov 10 07:06:00.800 INFO kablam! usermod: no changes
Nov 10 07:06:00.827 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Nov 10 07:06:01.487 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 10 07:06:01.487 INFO kablam!  --> src/lib.rs:3:5
Nov 10 07:06:01.487 INFO kablam!   |
Nov 10 07:06:01.487 INFO kablam! 3 | use std::rc::Rc;
Nov 10 07:06:01.487 INFO kablam!   |     ^^^^^^^^^^^
Nov 10 07:06:01.487 INFO kablam!   |
Nov 10 07:06:01.487 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 10 07:06:01.487 INFO kablam! 
Nov 10 07:06:01.539 INFO kablam! warning: unused variable: `p`
Nov 10 07:06:01.539 INFO kablam!   --> src/lib.rs:37:18
Nov 10 07:06:01.539 INFO kablam!    |
Nov 10 07:06:01.539 INFO kablam! 37 |             Some(p) => return,
Nov 10 07:06:01.539 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 10 07:06:01.539 INFO kablam!    |
Nov 10 07:06:01.539 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 10 07:06:01.539 INFO kablam! 
Nov 10 07:06:01.539 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 10 07:06:01.539 INFO kablam!  --> src/lib.rs:3:5
Nov 10 07:06:01.539 INFO kablam!   |
Nov 10 07:06:01.539 INFO kablam! 3 | use std::rc::Rc;
Nov 10 07:06:01.539 INFO kablam!   |     ^^^^^^^^^^^
Nov 10 07:06:01.539 INFO kablam!   |
Nov 10 07:06:01.539 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 10 07:06:01.539 INFO kablam! 
Nov 10 07:06:01.547 INFO kablam! warning: variable does not need to be mutable
Nov 10 07:06:01.547 INFO kablam!   --> src/lib.rs:35:13
Nov 10 07:06:01.547 INFO kablam!    |
Nov 10 07:06:01.547 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 10 07:06:01.547 INFO kablam!    |             ----^^^
Nov 10 07:06:01.547 INFO kablam!    |             |
Nov 10 07:06:01.547 INFO kablam!    |             help: remove this `mut`
Nov 10 07:06:01.547 INFO kablam!    |
Nov 10 07:06:01.547 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 10 07:06:01.547 INFO kablam! 
Nov 10 07:06:01.547 INFO kablam! warning: variable does not need to be mutable
Nov 10 07:06:01.547 INFO kablam!   --> src/lib.rs:53:13
Nov 10 07:06:01.547 INFO kablam!    |
Nov 10 07:06:01.547 INFO kablam! 53 |         let mut pos: usize;
Nov 10 07:06:01.547 INFO kablam!    |             ----^^^
Nov 10 07:06:01.547 INFO kablam!    |             |
Nov 10 07:06:01.547 INFO kablam!    |             help: remove this `mut`
Nov 10 07:06:01.547 INFO kablam! 
Nov 10 07:06:01.555 INFO kablam! warning: variant is never constructed: `Root`
Nov 10 07:06:01.555 INFO kablam!  --> src/lib.rs:7:5
Nov 10 07:06:01.555 INFO kablam!   |
Nov 10 07:06:01.555 INFO kablam! 7 |     Root(ValueType, u32),
Nov 10 07:06:01.555 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 10 07:06:01.555 INFO kablam!   |
Nov 10 07:06:01.555 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 10 07:06:01.555 INFO kablam! 
Nov 10 07:06:01.555 INFO kablam! warning: variant is never constructed: `Link`
Nov 10 07:06:01.555 INFO kablam!  --> src/lib.rs:8:5
Nov 10 07:06:01.555 INFO kablam!   |
Nov 10 07:06:01.555 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 10 07:06:01.555 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:06:01.555 INFO kablam! 
Nov 10 07:06:01.579 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:06:01.579 INFO kablam!    --> src/lib.rs:106:5
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam! 106 |     ds.union(1, 2);
Nov 10 07:06:01.579 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 10 07:06:01.579 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:06:01.579 INFO kablam! 
Nov 10 07:06:01.579 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:06:01.579 INFO kablam!    --> src/lib.rs:107:5
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam! 107 |     ds.union(2, 3);
Nov 10 07:06:01.579 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:06:01.579 INFO kablam! 
Nov 10 07:06:01.579 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:06:01.579 INFO kablam!    --> src/lib.rs:118:5
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam! 118 |     ds.union(-1, 4);
Nov 10 07:06:01.579 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:06:01.579 INFO kablam! 
Nov 10 07:06:01.579 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:06:01.579 INFO kablam!    --> src/lib.rs:119:5
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam! 119 |     ds.union(2, 4);
Nov 10 07:06:01.579 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 10 07:06:01.579 INFO kablam!     |
Nov 10 07:06:01.579 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:06:01.579 INFO kablam! 
Nov 10 07:06:01.591 INFO kablam! warning: unused variable: `p`
Nov 10 07:06:01.591 INFO kablam!   --> src/lib.rs:37:18
Nov 10 07:06:01.591 INFO kablam!    |
Nov 10 07:06:01.591 INFO kablam! 37 |             Some(p) => return,
Nov 10 07:06:01.592 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 10 07:06:01.592 INFO kablam!    |
Nov 10 07:06:01.592 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 10 07:06:01.592 INFO kablam! 
Nov 10 07:06:01.599 INFO kablam! warning: variable does not need to be mutable
Nov 10 07:06:01.599 INFO kablam!   --> src/lib.rs:35:13
Nov 10 07:06:01.599 INFO kablam!    |
Nov 10 07:06:01.600 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 10 07:06:01.600 INFO kablam!    |             ----^^^
Nov 10 07:06:01.600 INFO kablam!    |             |
Nov 10 07:06:01.600 INFO kablam!    |             help: remove this `mut`
Nov 10 07:06:01.600 INFO kablam!    |
Nov 10 07:06:01.600 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 10 07:06:01.600 INFO kablam! 
Nov 10 07:06:01.600 INFO kablam! warning: variable does not need to be mutable
Nov 10 07:06:01.601 INFO kablam!   --> src/lib.rs:53:13
Nov 10 07:06:01.601 INFO kablam!    |
Nov 10 07:06:01.601 INFO kablam! 53 |         let mut pos: usize;
Nov 10 07:06:01.601 INFO kablam!    |             ----^^^
Nov 10 07:06:01.601 INFO kablam!    |             |
Nov 10 07:06:01.601 INFO kablam!    |             help: remove this `mut`
Nov 10 07:06:01.601 INFO kablam! 
Nov 10 07:06:01.602 INFO kablam! warning: variant is never constructed: `Root`
Nov 10 07:06:01.602 INFO kablam!  --> src/lib.rs:7:5
Nov 10 07:06:01.602 INFO kablam!   |
Nov 10 07:06:01.602 INFO kablam! 7 |     Root(ValueType, u32),
Nov 10 07:06:01.602 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 10 07:06:01.602 INFO kablam!   |
Nov 10 07:06:01.603 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 10 07:06:01.603 INFO kablam! 
Nov 10 07:06:01.603 INFO kablam! warning: variant is never constructed: `Link`
Nov 10 07:06:01.603 INFO kablam!  --> src/lib.rs:8:5
Nov 10 07:06:01.603 INFO kablam!   |
Nov 10 07:06:01.603 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 10 07:06:01.603 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:06:01.604 INFO kablam! 
Nov 10 07:06:01.673 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 10 07:06:01.673 INFO kablam! su: No module specific data is present
Nov 10 07:06:02.387 INFO running `"docker" "rm" "-f" "b591ec4cdde8c41e696fc119a18a31fd63ad70387c31e056e2f5f6516db73c37"`
Nov 10 07:06:02.747 INFO blam! b591ec4cdde8c41e696fc119a18a31fd63ad70387c31e056e2f5f6516db73c37