Oct 27 23:05:45.879 INFO checking disjoint-set-0.0.2 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 23:05:45.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 23:05:46.323 INFO blam! 01d4a55c853a798ed8fbb0dbce0c4a82675df1bea1dab6f5f8b6235bbb9a2782
Oct 27 23:05:46.327 INFO running `"docker" "start" "-a" "01d4a55c853a798ed8fbb0dbce0c4a82675df1bea1dab6f5f8b6235bbb9a2782"`
Oct 27 23:05:47.574 INFO kablam! usermod: no changes
Oct 27 23:05:47.635 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Oct 27 23:05:48.470 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 27 23:05:48.470 INFO kablam!  --> src/lib.rs:3:5
Oct 27 23:05:48.470 INFO kablam!   |
Oct 27 23:05:48.470 INFO kablam! 3 | use std::rc::Rc;
Oct 27 23:05:48.470 INFO kablam!   |     ^^^^^^^^^^^
Oct 27 23:05:48.471 INFO kablam!   |
Oct 27 23:05:48.471 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 23:05:48.471 INFO kablam! 
Oct 27 23:05:48.506 INFO kablam! warning: unused variable: `p`
Oct 27 23:05:48.506 INFO kablam!   --> src/lib.rs:37:18
Oct 27 23:05:48.506 INFO kablam!    |
Oct 27 23:05:48.506 INFO kablam! 37 |             Some(p) => return,
Oct 27 23:05:48.506 INFO kablam!    |                  ^ help: consider using `_p` instead
Oct 27 23:05:48.506 INFO kablam!    |
Oct 27 23:05:48.506 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 23:05:48.506 INFO kablam! 
Oct 27 23:05:48.507 INFO kablam! warning: variable does not need to be mutable
Oct 27 23:05:48.507 INFO kablam!   --> src/lib.rs:35:13
Oct 27 23:05:48.507 INFO kablam!    |
Oct 27 23:05:48.507 INFO kablam! 35 |         let mut len = &mut self.set_size;
Oct 27 23:05:48.507 INFO kablam!    |             ----^^^
Oct 27 23:05:48.507 INFO kablam!    |             |
Oct 27 23:05:48.507 INFO kablam!    |             help: remove this `mut`
Oct 27 23:05:48.507 INFO kablam!    |
Oct 27 23:05:48.507 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 23:05:48.507 INFO kablam! 
Oct 27 23:05:48.511 INFO kablam! warning: variable does not need to be mutable
Oct 27 23:05:48.511 INFO kablam!   --> src/lib.rs:53:13
Oct 27 23:05:48.511 INFO kablam!    |
Oct 27 23:05:48.511 INFO kablam! 53 |         let mut pos: usize;
Oct 27 23:05:48.511 INFO kablam!    |             ----^^^
Oct 27 23:05:48.511 INFO kablam!    |             |
Oct 27 23:05:48.511 INFO kablam!    |             help: remove this `mut`
Oct 27 23:05:48.511 INFO kablam! 
Oct 27 23:05:48.511 INFO kablam! warning: variant is never constructed: `Root`
Oct 27 23:05:48.511 INFO kablam!  --> src/lib.rs:7:5
Oct 27 23:05:48.511 INFO kablam!   |
Oct 27 23:05:48.511 INFO kablam! 7 |     Root(ValueType, u32),
Oct 27 23:05:48.511 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 23:05:48.511 INFO kablam!   |
Oct 27 23:05:48.511 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 23:05:48.511 INFO kablam! 
Oct 27 23:05:48.511 INFO kablam! warning: variant is never constructed: `Link`
Oct 27 23:05:48.511 INFO kablam!  --> src/lib.rs:8:5
Oct 27 23:05:48.511 INFO kablam!   |
Oct 27 23:05:48.511 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Oct 27 23:05:48.511 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 23:05:48.511 INFO kablam! 
Oct 27 23:05:48.607 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 27 23:05:48.607 INFO kablam!  --> src/lib.rs:3:5
Oct 27 23:05:48.607 INFO kablam!   |
Oct 27 23:05:48.607 INFO kablam! 3 | use std::rc::Rc;
Oct 27 23:05:48.607 INFO kablam!   |     ^^^^^^^^^^^
Oct 27 23:05:48.607 INFO kablam!   |
Oct 27 23:05:48.607 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 23:05:48.607 INFO kablam! 
Oct 27 23:05:48.643 INFO kablam! warning: unused variable: `p`
Oct 27 23:05:48.643 INFO kablam!   --> src/lib.rs:37:18
Oct 27 23:05:48.643 INFO kablam!    |
Oct 27 23:05:48.643 INFO kablam! 37 |             Some(p) => return,
Oct 27 23:05:48.643 INFO kablam!    |                  ^ help: consider using `_p` instead
Oct 27 23:05:48.643 INFO kablam!    |
Oct 27 23:05:48.643 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 23:05:48.643 INFO kablam! 
Oct 27 23:05:48.643 INFO kablam! warning: variable does not need to be mutable
Oct 27 23:05:48.643 INFO kablam!   --> src/lib.rs:35:13
Oct 27 23:05:48.643 INFO kablam!    |
Oct 27 23:05:48.643 INFO kablam! 35 |         let mut len = &mut self.set_size;
Oct 27 23:05:48.643 INFO kablam!    |             ----^^^
Oct 27 23:05:48.643 INFO kablam!    |             |
Oct 27 23:05:48.643 INFO kablam!    |             help: remove this `mut`
Oct 27 23:05:48.643 INFO kablam!    |
Oct 27 23:05:48.643 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 23:05:48.643 INFO kablam! 
Oct 27 23:05:48.643 INFO kablam! warning: variable does not need to be mutable
Oct 27 23:05:48.643 INFO kablam!   --> src/lib.rs:53:13
Oct 27 23:05:48.643 INFO kablam!    |
Oct 27 23:05:48.643 INFO kablam! 53 |         let mut pos: usize;
Oct 27 23:05:48.643 INFO kablam!    |             ----^^^
Oct 27 23:05:48.643 INFO kablam!    |             |
Oct 27 23:05:48.643 INFO kablam!    |             help: remove this `mut`
Oct 27 23:05:48.643 INFO kablam! 
Oct 27 23:05:48.648 INFO kablam! warning: variant is never constructed: `Root`
Oct 27 23:05:48.648 INFO kablam!  --> src/lib.rs:7:5
Oct 27 23:05:48.648 INFO kablam!   |
Oct 27 23:05:48.648 INFO kablam! 7 |     Root(ValueType, u32),
Oct 27 23:05:48.648 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 23:05:48.648 INFO kablam!   |
Oct 27 23:05:48.648 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 23:05:48.648 INFO kablam! 
Oct 27 23:05:48.648 INFO kablam! warning: variant is never constructed: `Link`
Oct 27 23:05:48.648 INFO kablam!  --> src/lib.rs:8:5
Oct 27 23:05:48.648 INFO kablam!   |
Oct 27 23:05:48.648 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Oct 27 23:05:48.648 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 23:05:48.648 INFO kablam! 
Oct 27 23:05:48.659 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 23:05:48.659 INFO kablam!    --> src/lib.rs:106:5
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam! 106 |     ds.union(1, 2);
Oct 27 23:05:48.659 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 23:05:48.659 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 23:05:48.659 INFO kablam! 
Oct 27 23:05:48.659 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 23:05:48.659 INFO kablam!    --> src/lib.rs:107:5
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam! 107 |     ds.union(2, 3);
Oct 27 23:05:48.659 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 23:05:48.659 INFO kablam! 
Oct 27 23:05:48.659 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 23:05:48.659 INFO kablam!    --> src/lib.rs:118:5
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam! 118 |     ds.union(-1, 4);
Oct 27 23:05:48.659 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 23:05:48.659 INFO kablam! 
Oct 27 23:05:48.659 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 23:05:48.659 INFO kablam!    --> src/lib.rs:119:5
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam! 119 |     ds.union(2, 4);
Oct 27 23:05:48.659 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 27 23:05:48.659 INFO kablam!     |
Oct 27 23:05:48.659 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 23:05:48.659 INFO kablam! 
Oct 27 23:05:48.695 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Oct 27 23:05:48.699 INFO kablam! su: No module specific data is present
Oct 27 23:05:49.233 INFO running `"docker" "rm" "-f" "01d4a55c853a798ed8fbb0dbce0c4a82675df1bea1dab6f5f8b6235bbb9a2782"`
Oct 27 23:05:49.404 INFO blam! 01d4a55c853a798ed8fbb0dbce0c4a82675df1bea1dab6f5f8b6235bbb9a2782