Nov 07 15:57:53.085 INFO checking disjoint-set-0.0.2 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 15:57:53.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 15:57:53.488 INFO blam! bd61653f3703b73a5c894b51e990ef5ee646d9cd56cf2188086e6b7f9981d930
Nov 07 15:57:53.500 INFO running `"docker" "start" "-a" "bd61653f3703b73a5c894b51e990ef5ee646d9cd56cf2188086e6b7f9981d930"`
Nov 07 15:57:54.729 INFO kablam! usermod: no changes
Nov 07 15:57:54.762 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Nov 07 15:57:55.408 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 07 15:57:55.408 INFO kablam!  --> src/lib.rs:3:5
Nov 07 15:57:55.408 INFO kablam!   |
Nov 07 15:57:55.408 INFO kablam! 3 | use std::rc::Rc;
Nov 07 15:57:55.408 INFO kablam!   |     ^^^^^^^^^^^
Nov 07 15:57:55.408 INFO kablam!   |
Nov 07 15:57:55.408 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 15:57:55.408 INFO kablam! 
Nov 07 15:57:55.408 INFO kablam! warning: unused variable: `p`
Nov 07 15:57:55.408 INFO kablam!   --> src/lib.rs:37:18
Nov 07 15:57:55.408 INFO kablam!    |
Nov 07 15:57:55.408 INFO kablam! 37 |             Some(p) => return,
Nov 07 15:57:55.408 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 07 15:57:55.408 INFO kablam!    |
Nov 07 15:57:55.408 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 15:57:55.408 INFO kablam! 
Nov 07 15:57:55.408 INFO kablam! warning: variable does not need to be mutable
Nov 07 15:57:55.408 INFO kablam!   --> src/lib.rs:35:13
Nov 07 15:57:55.408 INFO kablam!    |
Nov 07 15:57:55.408 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 07 15:57:55.408 INFO kablam!    |             ----^^^
Nov 07 15:57:55.408 INFO kablam!    |             |
Nov 07 15:57:55.408 INFO kablam!    |             help: remove this `mut`
Nov 07 15:57:55.408 INFO kablam!    |
Nov 07 15:57:55.408 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 15:57:55.408 INFO kablam! 
Nov 07 15:57:55.408 INFO kablam! warning: variable does not need to be mutable
Nov 07 15:57:55.408 INFO kablam!   --> src/lib.rs:53:13
Nov 07 15:57:55.409 INFO kablam!    |
Nov 07 15:57:55.409 INFO kablam! 53 |         let mut pos: usize;
Nov 07 15:57:55.409 INFO kablam!    |             ----^^^
Nov 07 15:57:55.409 INFO kablam!    |             |
Nov 07 15:57:55.409 INFO kablam!    |             help: remove this `mut`
Nov 07 15:57:55.409 INFO kablam! 
Nov 07 15:57:55.410 INFO kablam! warning: variant is never constructed: `Root`
Nov 07 15:57:55.417 INFO kablam!  --> src/lib.rs:7:5
Nov 07 15:57:55.417 INFO kablam!   |
Nov 07 15:57:55.417 INFO kablam! 7 |     Root(ValueType, u32),
Nov 07 15:57:55.417 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 07 15:57:55.417 INFO kablam!   |
Nov 07 15:57:55.417 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 07 15:57:55.417 INFO kablam! 
Nov 07 15:57:55.417 INFO kablam! warning: variant is never constructed: `Link`
Nov 07 15:57:55.417 INFO kablam!  --> src/lib.rs:8:5
Nov 07 15:57:55.417 INFO kablam!   |
Nov 07 15:57:55.417 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 07 15:57:55.417 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 15:57:55.417 INFO kablam! 
Nov 07 15:57:55.543 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 07 15:57:55.543 INFO kablam!  --> src/lib.rs:3:5
Nov 07 15:57:55.543 INFO kablam!   |
Nov 07 15:57:55.543 INFO kablam! 3 | use std::rc::Rc;
Nov 07 15:57:55.543 INFO kablam!   |     ^^^^^^^^^^^
Nov 07 15:57:55.543 INFO kablam!   |
Nov 07 15:57:55.543 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 15:57:55.543 INFO kablam! 
Nov 07 15:57:55.581 INFO kablam! warning: unused variable: `p`
Nov 07 15:57:55.582 INFO kablam!   --> src/lib.rs:37:18
Nov 07 15:57:55.582 INFO kablam!    |
Nov 07 15:57:55.582 INFO kablam! 37 |             Some(p) => return,
Nov 07 15:57:55.582 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 07 15:57:55.582 INFO kablam!    |
Nov 07 15:57:55.582 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 15:57:55.582 INFO kablam! 
Nov 07 15:57:55.585 INFO kablam! warning: variable does not need to be mutable
Nov 07 15:57:55.585 INFO kablam!   --> src/lib.rs:35:13
Nov 07 15:57:55.585 INFO kablam!    |
Nov 07 15:57:55.585 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 07 15:57:55.585 INFO kablam!    |             ----^^^
Nov 07 15:57:55.585 INFO kablam!    |             |
Nov 07 15:57:55.585 INFO kablam!    |             help: remove this `mut`
Nov 07 15:57:55.585 INFO kablam!    |
Nov 07 15:57:55.585 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 15:57:55.585 INFO kablam! 
Nov 07 15:57:55.585 INFO kablam! warning: variable does not need to be mutable
Nov 07 15:57:55.585 INFO kablam!   --> src/lib.rs:53:13
Nov 07 15:57:55.586 INFO kablam!    |
Nov 07 15:57:55.586 INFO kablam! 53 |         let mut pos: usize;
Nov 07 15:57:55.586 INFO kablam!    |             ----^^^
Nov 07 15:57:55.586 INFO kablam!    |             |
Nov 07 15:57:55.586 INFO kablam!    |             help: remove this `mut`
Nov 07 15:57:55.586 INFO kablam! 
Nov 07 15:57:55.589 INFO kablam! warning: variant is never constructed: `Root`
Nov 07 15:57:55.589 INFO kablam!  --> src/lib.rs:7:5
Nov 07 15:57:55.589 INFO kablam!   |
Nov 07 15:57:55.589 INFO kablam! 7 |     Root(ValueType, u32),
Nov 07 15:57:55.589 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 07 15:57:55.589 INFO kablam!   |
Nov 07 15:57:55.589 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 07 15:57:55.589 INFO kablam! 
Nov 07 15:57:55.589 INFO kablam! warning: variant is never constructed: `Link`
Nov 07 15:57:55.589 INFO kablam!  --> src/lib.rs:8:5
Nov 07 15:57:55.589 INFO kablam!   |
Nov 07 15:57:55.589 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 07 15:57:55.589 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 15:57:55.589 INFO kablam! 
Nov 07 15:57:55.612 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 15:57:55.612 INFO kablam!    --> src/lib.rs:106:5
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam! 106 |     ds.union(1, 2);
Nov 07 15:57:55.612 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 07 15:57:55.612 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 15:57:55.612 INFO kablam! 
Nov 07 15:57:55.612 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 15:57:55.612 INFO kablam!    --> src/lib.rs:107:5
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam! 107 |     ds.union(2, 3);
Nov 07 15:57:55.612 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 15:57:55.612 INFO kablam! 
Nov 07 15:57:55.612 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 15:57:55.612 INFO kablam!    --> src/lib.rs:118:5
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam! 118 |     ds.union(-1, 4);
Nov 07 15:57:55.612 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 15:57:55.612 INFO kablam! 
Nov 07 15:57:55.612 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 15:57:55.612 INFO kablam!    --> src/lib.rs:119:5
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam! 119 |     ds.union(2, 4);
Nov 07 15:57:55.612 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 07 15:57:55.612 INFO kablam!     |
Nov 07 15:57:55.612 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 15:57:55.612 INFO kablam! 
Nov 07 15:57:55.632 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 07 15:57:55.632 INFO kablam! su: No module specific data is present
Nov 07 15:57:55.947 INFO running `"docker" "rm" "-f" "bd61653f3703b73a5c894b51e990ef5ee646d9cd56cf2188086e6b7f9981d930"`
Nov 07 15:57:56.032 INFO blam! bd61653f3703b73a5c894b51e990ef5ee646d9cd56cf2188086e6b7f9981d930