Oct 22 03:37:08.513 INFO checking disjoint-set-0.0.2 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 22 03:37:08.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 22 03:37:08.901 INFO blam! f40349ea43f66fe65595d6481f2ae335dad4c7f3e25e5047ec06ee19dcb31630
Oct 22 03:37:08.908 INFO running `"docker" "start" "-a" "f40349ea43f66fe65595d6481f2ae335dad4c7f3e25e5047ec06ee19dcb31630"`
Oct 22 03:37:10.630 INFO kablam! usermod: no changes
Oct 22 03:37:10.680 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Oct 22 03:37:11.509 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 22 03:37:11.510 INFO kablam!  --> src/lib.rs:3:5
Oct 22 03:37:11.510 INFO kablam!   |
Oct 22 03:37:11.510 INFO kablam! 3 | use std::rc::Rc;
Oct 22 03:37:11.510 INFO kablam!   |     ^^^^^^^^^^^
Oct 22 03:37:11.511 INFO kablam!   |
Oct 22 03:37:11.511 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 22 03:37:11.511 INFO kablam! 
Oct 22 03:37:11.512 INFO kablam! warning: unused variable: `p`
Oct 22 03:37:11.512 INFO kablam!   --> src/lib.rs:37:18
Oct 22 03:37:11.512 INFO kablam!    |
Oct 22 03:37:11.521 INFO kablam! 37 |             Some(p) => return,
Oct 22 03:37:11.521 INFO kablam!    |                  ^ help: consider using `_p` instead
Oct 22 03:37:11.522 INFO kablam!    |
Oct 22 03:37:11.522 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 22 03:37:11.522 INFO kablam! 
Oct 22 03:37:11.523 INFO kablam! warning: variable does not need to be mutable
Oct 22 03:37:11.523 INFO kablam!   --> src/lib.rs:35:13
Oct 22 03:37:11.523 INFO kablam!    |
Oct 22 03:37:11.524 INFO kablam! 35 |         let mut len = &mut self.set_size;
Oct 22 03:37:11.524 INFO kablam!    |             ----^^^
Oct 22 03:37:11.524 INFO kablam!    |             |
Oct 22 03:37:11.524 INFO kablam!    |             help: remove this `mut`
Oct 22 03:37:11.525 INFO kablam!    |
Oct 22 03:37:11.525 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 22 03:37:11.525 INFO kablam! 
Oct 22 03:37:11.525 INFO kablam! warning: variable does not need to be mutable
Oct 22 03:37:11.526 INFO kablam!   --> src/lib.rs:53:13
Oct 22 03:37:11.526 INFO kablam!    |
Oct 22 03:37:11.526 INFO kablam! 53 |         let mut pos: usize;
Oct 22 03:37:11.526 INFO kablam!    |             ----^^^
Oct 22 03:37:11.527 INFO kablam!    |             |
Oct 22 03:37:11.527 INFO kablam!    |             help: remove this `mut`
Oct 22 03:37:11.527 INFO kablam! 
Oct 22 03:37:11.528 INFO kablam! warning: variant is never constructed: `Root`
Oct 22 03:37:11.528 INFO kablam!  --> src/lib.rs:7:5
Oct 22 03:37:11.528 INFO kablam!   |
Oct 22 03:37:11.528 INFO kablam! 7 |     Root(ValueType, u32),
Oct 22 03:37:11.529 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 22 03:37:11.529 INFO kablam!   |
Oct 22 03:37:11.529 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 22 03:37:11.529 INFO kablam! 
Oct 22 03:37:11.530 INFO kablam! warning: variant is never constructed: `Link`
Oct 22 03:37:11.530 INFO kablam!  --> src/lib.rs:8:5
Oct 22 03:37:11.530 INFO kablam!   |
Oct 22 03:37:11.531 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Oct 22 03:37:11.531 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 22 03:37:11.531 INFO kablam! 
Oct 22 03:37:11.592 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 22 03:37:11.593 INFO kablam!  --> src/lib.rs:3:5
Oct 22 03:37:11.593 INFO kablam!   |
Oct 22 03:37:11.593 INFO kablam! 3 | use std::rc::Rc;
Oct 22 03:37:11.594 INFO kablam!   |     ^^^^^^^^^^^
Oct 22 03:37:11.594 INFO kablam!   |
Oct 22 03:37:11.594 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 22 03:37:11.595 INFO kablam! 
Oct 22 03:37:11.601 INFO kablam! warning: unused variable: `p`
Oct 22 03:37:11.601 INFO kablam!   --> src/lib.rs:37:18
Oct 22 03:37:11.601 INFO kablam!    |
Oct 22 03:37:11.601 INFO kablam! 37 |             Some(p) => return,
Oct 22 03:37:11.602 INFO kablam!    |                  ^ help: consider using `_p` instead
Oct 22 03:37:11.602 INFO kablam!    |
Oct 22 03:37:11.602 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 22 03:37:11.602 INFO kablam! 
Oct 22 03:37:11.603 INFO kablam! warning: variable does not need to be mutable
Oct 22 03:37:11.603 INFO kablam!   --> src/lib.rs:35:13
Oct 22 03:37:11.603 INFO kablam!    |
Oct 22 03:37:11.604 INFO kablam! 35 |         let mut len = &mut self.set_size;
Oct 22 03:37:11.604 INFO kablam!    |             ----^^^
Oct 22 03:37:11.604 INFO kablam!    |             |
Oct 22 03:37:11.605 INFO kablam!    |             help: remove this `mut`
Oct 22 03:37:11.605 INFO kablam!    |
Oct 22 03:37:11.605 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 22 03:37:11.605 INFO kablam! 
Oct 22 03:37:11.605 INFO kablam! warning: variable does not need to be mutable
Oct 22 03:37:11.605 INFO kablam!   --> src/lib.rs:53:13
Oct 22 03:37:11.605 INFO kablam!    |
Oct 22 03:37:11.605 INFO kablam! 53 |         let mut pos: usize;
Oct 22 03:37:11.605 INFO kablam!    |             ----^^^
Oct 22 03:37:11.605 INFO kablam!    |             |
Oct 22 03:37:11.605 INFO kablam!    |             help: remove this `mut`
Oct 22 03:37:11.605 INFO kablam! 
Oct 22 03:37:11.605 INFO kablam! warning: variant is never constructed: `Root`
Oct 22 03:37:11.605 INFO kablam!  --> src/lib.rs:7:5
Oct 22 03:37:11.605 INFO kablam!   |
Oct 22 03:37:11.605 INFO kablam! 7 |     Root(ValueType, u32),
Oct 22 03:37:11.605 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 22 03:37:11.606 INFO kablam!   |
Oct 22 03:37:11.606 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 22 03:37:11.606 INFO kablam! 
Oct 22 03:37:11.606 INFO kablam! warning: variant is never constructed: `Link`
Oct 22 03:37:11.606 INFO kablam!  --> src/lib.rs:8:5
Oct 22 03:37:11.606 INFO kablam!   |
Oct 22 03:37:11.606 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Oct 22 03:37:11.606 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 22 03:37:11.606 INFO kablam! 
Oct 22 03:37:11.619 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 22 03:37:11.619 INFO kablam!    --> src/lib.rs:106:5
Oct 22 03:37:11.619 INFO kablam!     |
Oct 22 03:37:11.619 INFO kablam! 106 |     ds.union(1, 2);
Oct 22 03:37:11.619 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 22 03:37:11.619 INFO kablam!     |
Oct 22 03:37:11.619 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 22 03:37:11.619 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 22 03:37:11.620 INFO kablam! 
Oct 22 03:37:11.620 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 22 03:37:11.620 INFO kablam!    --> src/lib.rs:107:5
Oct 22 03:37:11.620 INFO kablam!     |
Oct 22 03:37:11.620 INFO kablam! 107 |     ds.union(2, 3);
Oct 22 03:37:11.620 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 22 03:37:11.620 INFO kablam!     |
Oct 22 03:37:11.620 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 22 03:37:11.620 INFO kablam! 
Oct 22 03:37:11.620 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 22 03:37:11.620 INFO kablam!    --> src/lib.rs:118:5
Oct 22 03:37:11.620 INFO kablam!     |
Oct 22 03:37:11.620 INFO kablam! 118 |     ds.union(-1, 4);
Oct 22 03:37:11.620 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Oct 22 03:37:11.620 INFO kablam!     |
Oct 22 03:37:11.620 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 22 03:37:11.620 INFO kablam! 
Oct 22 03:37:11.620 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 22 03:37:11.620 INFO kablam!    --> src/lib.rs:119:5
Oct 22 03:37:11.620 INFO kablam!     |
Oct 22 03:37:11.620 INFO kablam! 119 |     ds.union(2, 4);
Oct 22 03:37:11.620 INFO kablam!     |     ^^^^^^^^^^^^^^^
Oct 22 03:37:11.620 INFO kablam!     |
Oct 22 03:37:11.620 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 22 03:37:11.620 INFO kablam! 
Oct 22 03:37:11.656 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Oct 22 03:37:11.656 INFO kablam! su: No module specific data is present
Oct 22 03:37:12.017 INFO running `"docker" "rm" "-f" "f40349ea43f66fe65595d6481f2ae335dad4c7f3e25e5047ec06ee19dcb31630"`
Oct 22 03:37:12.104 INFO blam! f40349ea43f66fe65595d6481f2ae335dad4c7f3e25e5047ec06ee19dcb31630