Nov 01 23:48:55.315 INFO checking disjoint-set-0.0.2 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 23:48:55.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 23:48:55.752 INFO blam! f2a70000a5864242ff98cc3f7bcff0663042715dcad06fc4a63e4fc37210c4b5
Nov 01 23:48:55.758 INFO running `"docker" "start" "-a" "f2a70000a5864242ff98cc3f7bcff0663042715dcad06fc4a63e4fc37210c4b5"`
Nov 01 23:48:57.007 INFO kablam! usermod: no changes
Nov 01 23:48:57.052 INFO kablam!     Checking disjoint-set v0.0.2 (/source)
Nov 01 23:48:58.008 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 23:48:58.009 INFO kablam!  --> src/lib.rs:3:5
Nov 01 23:48:58.009 INFO kablam!   |
Nov 01 23:48:58.009 INFO kablam! 3 | use std::rc::Rc;
Nov 01 23:48:58.009 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 23:48:58.010 INFO kablam!   |
Nov 01 23:48:58.010 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 23:48:58.010 INFO kablam! 
Nov 01 23:48:58.065 INFO kablam! warning: unused variable: `p`
Nov 01 23:48:58.065 INFO kablam!   --> src/lib.rs:37:18
Nov 01 23:48:58.065 INFO kablam!    |
Nov 01 23:48:58.066 INFO kablam! 37 |             Some(p) => return,
Nov 01 23:48:58.066 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 01 23:48:58.066 INFO kablam!    |
Nov 01 23:48:58.066 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 23:48:58.067 INFO kablam! 
Nov 01 23:48:58.067 INFO kablam! warning: variable does not need to be mutable
Nov 01 23:48:58.067 INFO kablam!   --> src/lib.rs:35:13
Nov 01 23:48:58.068 INFO kablam!    |
Nov 01 23:48:58.068 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 01 23:48:58.068 INFO kablam!    |             ----^^^
Nov 01 23:48:58.069 INFO kablam!    |             |
Nov 01 23:48:58.069 INFO kablam!    |             help: remove this `mut`
Nov 01 23:48:58.069 INFO kablam!    |
Nov 01 23:48:58.069 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 23:48:58.070 INFO kablam! 
Nov 01 23:48:58.070 INFO kablam! warning: variable does not need to be mutable
Nov 01 23:48:58.070 INFO kablam!   --> src/lib.rs:53:13
Nov 01 23:48:58.071 INFO kablam!    |
Nov 01 23:48:58.071 INFO kablam! 53 |         let mut pos: usize;
Nov 01 23:48:58.071 INFO kablam!    |             ----^^^
Nov 01 23:48:58.071 INFO kablam!    |             |
Nov 01 23:48:58.072 INFO kablam!    |             help: remove this `mut`
Nov 01 23:48:58.072 INFO kablam! 
Nov 01 23:48:58.072 INFO kablam! warning: variant is never constructed: `Root`
Nov 01 23:48:58.073 INFO kablam!  --> src/lib.rs:7:5
Nov 01 23:48:58.073 INFO kablam!   |
Nov 01 23:48:58.073 INFO kablam! 7 |     Root(ValueType, u32),
Nov 01 23:48:58.073 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 23:48:58.074 INFO kablam!   |
Nov 01 23:48:58.074 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 23:48:58.074 INFO kablam! 
Nov 01 23:48:58.075 INFO kablam! warning: variant is never constructed: `Link`
Nov 01 23:48:58.075 INFO kablam!  --> src/lib.rs:8:5
Nov 01 23:48:58.075 INFO kablam!   |
Nov 01 23:48:58.075 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 01 23:48:58.076 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 23:48:58.076 INFO kablam! 
Nov 01 23:48:58.322 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 23:48:58.322 INFO kablam!  --> src/lib.rs:3:5
Nov 01 23:48:58.322 INFO kablam!   |
Nov 01 23:48:58.323 INFO kablam! 3 | use std::rc::Rc;
Nov 01 23:48:58.323 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 23:48:58.323 INFO kablam!   |
Nov 01 23:48:58.323 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 23:48:58.323 INFO kablam! 
Nov 01 23:48:58.380 INFO kablam! warning: unused variable: `p`
Nov 01 23:48:58.380 INFO kablam!   --> src/lib.rs:37:18
Nov 01 23:48:58.380 INFO kablam!    |
Nov 01 23:48:58.380 INFO kablam! 37 |             Some(p) => return,
Nov 01 23:48:58.380 INFO kablam!    |                  ^ help: consider using `_p` instead
Nov 01 23:48:58.380 INFO kablam!    |
Nov 01 23:48:58.380 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 23:48:58.380 INFO kablam! 
Nov 01 23:48:58.380 INFO kablam! warning: variable does not need to be mutable
Nov 01 23:48:58.380 INFO kablam!   --> src/lib.rs:35:13
Nov 01 23:48:58.380 INFO kablam!    |
Nov 01 23:48:58.380 INFO kablam! 35 |         let mut len = &mut self.set_size;
Nov 01 23:48:58.380 INFO kablam!    |             ----^^^
Nov 01 23:48:58.380 INFO kablam!    |             |
Nov 01 23:48:58.380 INFO kablam!    |             help: remove this `mut`
Nov 01 23:48:58.380 INFO kablam!    |
Nov 01 23:48:58.380 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 23:48:58.380 INFO kablam! 
Nov 01 23:48:58.380 INFO kablam! warning: variable does not need to be mutable
Nov 01 23:48:58.380 INFO kablam!   --> src/lib.rs:53:13
Nov 01 23:48:58.380 INFO kablam!    |
Nov 01 23:48:58.380 INFO kablam! 53 |         let mut pos: usize;
Nov 01 23:48:58.380 INFO kablam!    |             ----^^^
Nov 01 23:48:58.380 INFO kablam!    |             |
Nov 01 23:48:58.380 INFO kablam!    |             help: remove this `mut`
Nov 01 23:48:58.380 INFO kablam! 
Nov 01 23:48:58.380 INFO kablam! warning: variant is never constructed: `Root`
Nov 01 23:48:58.380 INFO kablam!  --> src/lib.rs:7:5
Nov 01 23:48:58.380 INFO kablam!   |
Nov 01 23:48:58.380 INFO kablam! 7 |     Root(ValueType, u32),
Nov 01 23:48:58.380 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 23:48:58.380 INFO kablam!   |
Nov 01 23:48:58.381 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 23:48:58.381 INFO kablam! 
Nov 01 23:48:58.381 INFO kablam! warning: variant is never constructed: `Link`
Nov 01 23:48:58.381 INFO kablam!  --> src/lib.rs:8:5
Nov 01 23:48:58.381 INFO kablam!   |
Nov 01 23:48:58.381 INFO kablam! 8 |     Link(Box<SetItem<ValueType>>)
Nov 01 23:48:58.381 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 23:48:58.381 INFO kablam! 
Nov 01 23:48:58.396 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 23:48:58.396 INFO kablam!    --> src/lib.rs:106:5
Nov 01 23:48:58.396 INFO kablam!     |
Nov 01 23:48:58.396 INFO kablam! 106 |     ds.union(1, 2);
Nov 01 23:48:58.396 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 01 23:48:58.396 INFO kablam!     |
Nov 01 23:48:58.396 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 23:48:58.396 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 23:48:58.396 INFO kablam! 
Nov 01 23:48:58.396 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 23:48:58.396 INFO kablam!    --> src/lib.rs:107:5
Nov 01 23:48:58.396 INFO kablam!     |
Nov 01 23:48:58.396 INFO kablam! 107 |     ds.union(2, 3);
Nov 01 23:48:58.396 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 01 23:48:58.396 INFO kablam!     |
Nov 01 23:48:58.396 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 23:48:58.396 INFO kablam! 
Nov 01 23:48:58.396 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 23:48:58.396 INFO kablam!    --> src/lib.rs:118:5
Nov 01 23:48:58.396 INFO kablam!     |
Nov 01 23:48:58.397 INFO kablam! 118 |     ds.union(-1, 4);
Nov 01 23:48:58.397 INFO kablam!     |     ^^^^^^^^^^^^^^^^
Nov 01 23:48:58.397 INFO kablam!     |
Nov 01 23:48:58.397 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 23:48:58.397 INFO kablam! 
Nov 01 23:48:58.397 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 23:48:58.397 INFO kablam!    --> src/lib.rs:119:5
Nov 01 23:48:58.397 INFO kablam!     |
Nov 01 23:48:58.397 INFO kablam! 119 |     ds.union(2, 4);
Nov 01 23:48:58.397 INFO kablam!     |     ^^^^^^^^^^^^^^^
Nov 01 23:48:58.397 INFO kablam!     |
Nov 01 23:48:58.397 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 23:48:58.397 INFO kablam! 
Nov 01 23:48:58.436 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 01 23:48:58.439 INFO kablam! su: No module specific data is present
Nov 01 23:48:59.060 INFO running `"docker" "rm" "-f" "f2a70000a5864242ff98cc3f7bcff0663042715dcad06fc4a63e4fc37210c4b5"`
Nov 01 23:48:59.388 INFO blam! f2a70000a5864242ff98cc3f7bcff0663042715dcad06fc4a63e4fc37210c4b5