Aug 11 16:05:08.923 INFO checking disjoint-set-0.0.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 16:05:08.923 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:05:08.923 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:05:08.923 INFO running `"docker" "create" "-v" "/tmp/crater.bMbd7Dz0Bud0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 16:05:09.160 INFO blam! 162bb270e9bf78e02be1e09a3c61bfb61e916160b7e42ba35e0318644dd8eb47
Aug 11 16:05:09.163 INFO running `"docker" "start" "-a" "162bb270e9bf78e02be1e09a3c61bfb61e916160b7e42ba35e0318644dd8eb47"`
Aug 11 16:05:10.890 INFO kablam!     Checking disjoint-set v0.0.2 (file:///source)
Aug 11 16:05:11.393 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 11 16:05:11.393 INFO kablam!  --> src/lib.rs:3:5
Aug 11 16:05:11.393 INFO kablam!   |
Aug 11 16:05:11.393 INFO kablam! 3 | use std::rc::Rc;
Aug 11 16:05:11.393 INFO kablam!   |     ^^^^^^^^^^^
Aug 11 16:05:11.394 INFO kablam!   |
Aug 11 16:05:11.394 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 11 16:05:11.394 INFO kablam! 
Aug 11 16:05:11.424 INFO kablam! warning: unused import: `std::rc::Rc`
Aug 11 16:05:11.424 INFO kablam!  --> src/lib.rs:3:5
Aug 11 16:05:11.424 INFO kablam!   |
Aug 11 16:05:11.424 INFO kablam! 3 | use std::rc::Rc;
Aug 11 16:05:11.424 INFO kablam!   |     ^^^^^^^^^^^
Aug 11 16:05:11.426 INFO kablam!   |
Aug 11 16:05:11.426 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 11 16:05:11.426 INFO kablam! 
Aug 11 16:05:11.477 INFO kablam! warning: unused variable: `p`
Aug 11 16:05:11.477 INFO kablam!   --> src/lib.rs:37:18
Aug 11 16:05:11.478 INFO kablam!    |
Aug 11 16:05:11.478 INFO kablam! 37 |             Some(p) => return,
Aug 11 16:05:11.478 INFO kablam!    |                  ^ help: consider using `_p` instead
Aug 11 16:05:11.478 INFO kablam!    |
Aug 11 16:05:11.478 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 11 16:05:11.478 INFO kablam! 
Aug 11 16:05:11.481 INFO kablam! warning: unused variable: `p`
Aug 11 16:05:11.481 INFO kablam!   --> src/lib.rs:37:18
Aug 11 16:05:11.481 INFO kablam!    |
Aug 11 16:05:11.481 INFO kablam! 37 |             Some(p) => return,
Aug 11 16:05:11.481 INFO kablam!    |                  ^ help: consider using `_p` instead
Aug 11 16:05:11.481 INFO kablam!    |
Aug 11 16:05:11.481 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 11 16:05:11.481 INFO kablam! 
Aug 11 16:05:11.482 INFO kablam! warning: variable does not need to be mutable
Aug 11 16:05:11.482 INFO kablam!   --> src/lib.rs:35:13
Aug 11 16:05:11.482 INFO kablam!    |
Aug 11 16:05:11.482 INFO kablam! 35 |         let mut len = &mut self.set_size;
Aug 11 16:05:11.482 INFO kablam!    |             ----^^^
Aug 11 16:05:11.482 INFO kablam!    |             |
Aug 11 16:05:11.482 INFO kablam!    |             help: remove this `mut`
Aug 11 16:05:11.482 INFO kablam!    |
Aug 11 16:05:11.482 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 16:05:11.482 INFO kablam! 
Aug 11 16:05:11.483 INFO kablam! warning: variable does not need to be mutable
Aug 11 16:05:11.483 INFO kablam!   --> src/lib.rs:53:13
Aug 11 16:05:11.483 INFO kablam!    |
Aug 11 16:05:11.483 INFO kablam! 53 |         let mut pos: usize;
Aug 11 16:05:11.483 INFO kablam!    |             ----^^^
Aug 11 16:05:11.483 INFO kablam!    |             |
Aug 11 16:05:11.483 INFO kablam!    |             help: remove this `mut`
Aug 11 16:05:11.483 INFO kablam! 
Aug 11 16:05:11.485 INFO kablam! warning: variant is never constructed: `Root`
Aug 11 16:05:11.485 INFO kablam!  --> src/lib.rs:7:5
Aug 11 16:05:11.485 INFO kablam!   |
Aug 11 16:05:11.485 INFO kablam! 7 |     Root(ValueType, u32),
Aug 11 16:05:11.486 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 11 16:05:11.486 INFO kablam!   |
Aug 11 16:05:11.486 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 11 16:05:11.486 INFO kablam! 
Aug 11 16:05:11.486 INFO kablam! warning: variant is never constructed: `Link`
Aug 11 16:05:11.486 INFO kablam!  --> src/lib.rs:8:5
Aug 11 16:05:11.486 INFO kablam!   |
Aug 11 16:05:11.486 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Aug 11 16:05:11.486 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 16:05:11.486 INFO kablam! 
Aug 11 16:05:11.487 INFO kablam! warning: variable does not need to be mutable
Aug 11 16:05:11.487 INFO kablam!   --> src/lib.rs:35:13
Aug 11 16:05:11.487 INFO kablam!    |
Aug 11 16:05:11.488 INFO kablam! 35 |         let mut len = &mut self.set_size;
Aug 11 16:05:11.488 INFO kablam!    |             ----^^^
Aug 11 16:05:11.488 INFO kablam!    |             |
Aug 11 16:05:11.488 INFO kablam!    |             help: remove this `mut`
Aug 11 16:05:11.488 INFO kablam!    |
Aug 11 16:05:11.488 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 11 16:05:11.488 INFO kablam! 
Aug 11 16:05:11.488 INFO kablam! warning: variable does not need to be mutable
Aug 11 16:05:11.488 INFO kablam!   --> src/lib.rs:53:13
Aug 11 16:05:11.488 INFO kablam!    |
Aug 11 16:05:11.489 INFO kablam! 53 |         let mut pos: usize;
Aug 11 16:05:11.489 INFO kablam!    |             ----^^^
Aug 11 16:05:11.489 INFO kablam!    |             |
Aug 11 16:05:11.489 INFO kablam!    |             help: remove this `mut`
Aug 11 16:05:11.489 INFO kablam! 
Aug 11 16:05:11.498 INFO kablam! warning: variant is never constructed: `Root`
Aug 11 16:05:11.498 INFO kablam!  --> src/lib.rs:7:5
Aug 11 16:05:11.498 INFO kablam!   |
Aug 11 16:05:11.498 INFO kablam! 7 |     Root(ValueType, u32),
Aug 11 16:05:11.498 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 11 16:05:11.498 INFO kablam!   |
Aug 11 16:05:11.498 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 11 16:05:11.499 INFO kablam! 
Aug 11 16:05:11.499 INFO kablam! warning: variant is never constructed: `Link`
Aug 11 16:05:11.499 INFO kablam!  --> src/lib.rs:8:5
Aug 11 16:05:11.499 INFO kablam!   |
Aug 11 16:05:11.499 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Aug 11 16:05:11.499 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 16:05:11.499 INFO kablam! 
Aug 11 16:05:11.529 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 11 16:05:11.529 INFO kablam!    --> src/lib.rs:106:5
Aug 11 16:05:11.529 INFO kablam!     |
Aug 11 16:05:11.529 INFO kablam! 106 |     ds.union(1, 2);
Aug 11 16:05:11.529 INFO kablam!     |     ^^^^^^^^^^^^^^^
Aug 11 16:05:11.529 INFO kablam!     |
Aug 11 16:05:11.530 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 16:05:11.530 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 11 16:05:11.530 INFO kablam! 
Aug 11 16:05:11.531 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 11 16:05:11.531 INFO kablam!    --> src/lib.rs:107:5
Aug 11 16:05:11.531 INFO kablam!     |
Aug 11 16:05:11.531 INFO kablam! 107 |     ds.union(2, 3);
Aug 11 16:05:11.531 INFO kablam!     |     ^^^^^^^^^^^^^^^
Aug 11 16:05:11.531 INFO kablam!     |
Aug 11 16:05:11.532 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 11 16:05:11.532 INFO kablam! 
Aug 11 16:05:11.532 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 11 16:05:11.532 INFO kablam!    --> src/lib.rs:118:5
Aug 11 16:05:11.532 INFO kablam!     |
Aug 11 16:05:11.532 INFO kablam! 118 |     ds.union(-1, 4);
Aug 11 16:05:11.532 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Aug 11 16:05:11.533 INFO kablam!     |
Aug 11 16:05:11.533 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 11 16:05:11.534 INFO kablam! 
Aug 11 16:05:11.534 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 11 16:05:11.534 INFO kablam!    --> src/lib.rs:119:5
Aug 11 16:05:11.534 INFO kablam!     |
Aug 11 16:05:11.534 INFO kablam! 119 |     ds.union(2, 4);
Aug 11 16:05:11.534 INFO kablam!     |     ^^^^^^^^^^^^^^^
Aug 11 16:05:11.535 INFO kablam!     |
Aug 11 16:05:11.535 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 11 16:05:11.535 INFO kablam! 
Aug 11 16:05:11.554 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Aug 11 16:05:11.557 INFO kablam! su: No module specific data is present
Aug 11 16:05:12.874 INFO running `"docker" "rm" "-f" "162bb270e9bf78e02be1e09a3c61bfb61e916160b7e42ba35e0318644dd8eb47"`
Aug 11 16:05:13.053 INFO blam! 162bb270e9bf78e02be1e09a3c61bfb61e916160b7e42ba35e0318644dd8eb47