Nov 05 00:42:48.997 INFO checking disjoint-set-0.0.2 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 05 00:42:48.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 05 00:42:49.459 INFO blam! c2dbba375828f427652ede7ce6f7c17d09c6743cf2bae07c8cca898c2302f47f
Nov 05 00:42:49.465 INFO running `"docker" "start" "-a" "c2dbba375828f427652ede7ce6f7c17d09c6743cf2bae07c8cca898c2302f47f"`
Nov 05 00:42:50.771 INFO kablam! usermod: no changes
Nov 05 00:42:50.827 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Nov 05 00:42:51.399 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 05 00:42:51.399 INFO kablam!  --> src/lib.rs:3:5
Nov 05 00:42:51.399 INFO kablam!   |
Nov 05 00:42:51.399 INFO kablam! 3 | use std::rc::Rc;
Nov 05 00:42:51.399 INFO kablam!   |     ^^^^^^^^^^^
Nov 05 00:42:51.399 INFO kablam!   |
Nov 05 00:42:51.399 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 05 00:42:51.399 INFO kablam! 
Nov 05 00:42:51.427 INFO kablam! warning: unused variable: `p`
Nov 05 00:42:51.427 INFO kablam!   --> src/lib.rs:37:18
Nov 05 00:42:51.427 INFO kablam!    |
Nov 05 00:42:51.427 INFO kablam! 37 |             Some(p) => return,
Nov 05 00:42:51.427 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 05 00:42:51.427 INFO kablam!    |
Nov 05 00:42:51.427 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 05 00:42:51.427 INFO kablam! 
Nov 05 00:42:51.435 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:42:51.435 INFO kablam!   --> src/lib.rs:35:13
Nov 05 00:42:51.435 INFO kablam!    |
Nov 05 00:42:51.435 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 05 00:42:51.435 INFO kablam!    |             ----^^^
Nov 05 00:42:51.435 INFO kablam!    |             |
Nov 05 00:42:51.435 INFO kablam!    |             help: remove this `mut`
Nov 05 00:42:51.435 INFO kablam!    |
Nov 05 00:42:51.435 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 00:42:51.435 INFO kablam! 
Nov 05 00:42:51.435 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:42:51.435 INFO kablam!   --> src/lib.rs:53:13
Nov 05 00:42:51.435 INFO kablam!    |
Nov 05 00:42:51.435 INFO kablam! 53 |         let mut pos: usize;
Nov 05 00:42:51.435 INFO kablam!    |             ----^^^
Nov 05 00:42:51.435 INFO kablam!    |             |
Nov 05 00:42:51.435 INFO kablam!    |             help: remove this `mut`
Nov 05 00:42:51.435 INFO kablam! 
Nov 05 00:42:51.465 INFO kablam! warning: variant is never constructed: `Root`
Nov 05 00:42:51.465 INFO kablam!  --> src/lib.rs:7:5
Nov 05 00:42:51.465 INFO kablam!   |
Nov 05 00:42:51.465 INFO kablam! 7 |     Root(ValueType, u32),
Nov 05 00:42:51.465 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 05 00:42:51.465 INFO kablam!   |
Nov 05 00:42:51.465 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 05 00:42:51.465 INFO kablam! 
Nov 05 00:42:51.465 INFO kablam! warning: variant is never constructed: `Link`
Nov 05 00:42:51.465 INFO kablam!  --> src/lib.rs:8:5
Nov 05 00:42:51.465 INFO kablam!   |
Nov 05 00:42:51.465 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 05 00:42:51.465 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 00:42:51.465 INFO kablam! 
Nov 05 00:42:51.532 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 05 00:42:51.532 INFO kablam!  --> src/lib.rs:3:5
Nov 05 00:42:51.532 INFO kablam!   |
Nov 05 00:42:51.532 INFO kablam! 3 | use std::rc::Rc;
Nov 05 00:42:51.532 INFO kablam!   |     ^^^^^^^^^^^
Nov 05 00:42:51.532 INFO kablam!   |
Nov 05 00:42:51.532 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 05 00:42:51.532 INFO kablam! 
Nov 05 00:42:51.571 INFO kablam! warning: unused variable: `p`
Nov 05 00:42:51.571 INFO kablam!   --> src/lib.rs:37:18
Nov 05 00:42:51.571 INFO kablam!    |
Nov 05 00:42:51.571 INFO kablam! 37 |             Some(p) => return,
Nov 05 00:42:51.571 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 05 00:42:51.571 INFO kablam!    |
Nov 05 00:42:51.571 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 05 00:42:51.571 INFO kablam! 
Nov 05 00:42:51.573 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:42:51.573 INFO kablam!   --> src/lib.rs:35:13
Nov 05 00:42:51.573 INFO kablam!    |
Nov 05 00:42:51.573 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 05 00:42:51.573 INFO kablam!    |             ----^^^
Nov 05 00:42:51.573 INFO kablam!    |             |
Nov 05 00:42:51.573 INFO kablam!    |             help: remove this `mut`
Nov 05 00:42:51.573 INFO kablam!    |
Nov 05 00:42:51.573 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 05 00:42:51.573 INFO kablam! 
Nov 05 00:42:51.574 INFO kablam! warning: variable does not need to be mutable
Nov 05 00:42:51.574 INFO kablam!   --> src/lib.rs:53:13
Nov 05 00:42:51.574 INFO kablam!    |
Nov 05 00:42:51.574 INFO kablam! 53 |         let mut pos: usize;
Nov 05 00:42:51.574 INFO kablam!    |             ----^^^
Nov 05 00:42:51.574 INFO kablam!    |             |
Nov 05 00:42:51.574 INFO kablam!    |             help: remove this `mut`
Nov 05 00:42:51.574 INFO kablam! 
Nov 05 00:42:51.595 INFO kablam! warning: variant is never constructed: `Root`
Nov 05 00:42:51.595 INFO kablam!  --> src/lib.rs:7:5
Nov 05 00:42:51.595 INFO kablam!   |
Nov 05 00:42:51.596 INFO kablam! 7 |     Root(ValueType, u32),
Nov 05 00:42:51.596 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 05 00:42:51.596 INFO kablam!   |
Nov 05 00:42:51.596 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 05 00:42:51.596 INFO kablam! 
Nov 05 00:42:51.596 INFO kablam! warning: variant is never constructed: `Link`
Nov 05 00:42:51.597 INFO kablam!  --> src/lib.rs:8:5
Nov 05 00:42:51.597 INFO kablam!   |
Nov 05 00:42:51.597 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 05 00:42:51.597 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 00:42:51.597 INFO kablam! 
Nov 05 00:42:51.605 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 05 00:42:51.605 INFO kablam!    --> src/lib.rs:106:5
Nov 05 00:42:51.605 INFO kablam!     |
Nov 05 00:42:51.605 INFO kablam! 106 |     ds.union(1, 2);
Nov 05 00:42:51.605 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 05 00:42:51.606 INFO kablam!     |
Nov 05 00:42:51.606 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 05 00:42:51.606 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 05 00:42:51.606 INFO kablam! 
Nov 05 00:42:51.607 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 05 00:42:51.607 INFO kablam!    --> src/lib.rs:107:5
Nov 05 00:42:51.607 INFO kablam!     |
Nov 05 00:42:51.607 INFO kablam! 107 |     ds.union(2, 3);
Nov 05 00:42:51.607 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 05 00:42:51.608 INFO kablam!     |
Nov 05 00:42:51.608 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 05 00:42:51.608 INFO kablam! 
Nov 05 00:42:51.608 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 05 00:42:51.608 INFO kablam!    --> src/lib.rs:118:5
Nov 05 00:42:51.609 INFO kablam!     |
Nov 05 00:42:51.609 INFO kablam! 118 |     ds.union(-1, 4);
Nov 05 00:42:51.609 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 05 00:42:51.609 INFO kablam!     |
Nov 05 00:42:51.609 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 05 00:42:51.610 INFO kablam! 
Nov 05 00:42:51.610 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 05 00:42:51.610 INFO kablam!    --> src/lib.rs:119:5
Nov 05 00:42:51.610 INFO kablam!     |
Nov 05 00:42:51.610 INFO kablam! 119 |     ds.union(2, 4);
Nov 05 00:42:51.611 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 05 00:42:51.611 INFO kablam!     |
Nov 05 00:42:51.611 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 05 00:42:51.611 INFO kablam! 
Nov 05 00:42:51.626 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 05 00:42:51.634 INFO kablam! su: No module specific data is present
Nov 05 00:42:52.239 INFO running `"docker" "rm" "-f" "c2dbba375828f427652ede7ce6f7c17d09c6743cf2bae07c8cca898c2302f47f"`
Nov 05 00:42:52.447 INFO blam! c2dbba375828f427652ede7ce6f7c17d09c6743cf2bae07c8cca898c2302f47f