Nov 03 07:13:06.457 INFO checking handoff_counter-0.8.5 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 07:13:06.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 07:13:06.928 INFO blam! f29565ffdefd28862a18f0c653ad13cdd8970d26d5b51d414e591736d8ab176b
Nov 03 07:13:06.930 INFO running `"docker" "start" "-a" "f29565ffdefd28862a18f0c653ad13cdd8970d26d5b51d414e591736d8ab176b"`
Nov 03 07:13:08.219 INFO kablam! usermod: no changes
Nov 03 07:13:08.354 INFO kablam!     Checking handoff_counter v0.8.5 (/source)
Nov 03 07:13:09.733 INFO kablam! warning: variable does not need to be mutable
Nov 03 07:13:09.733 INFO kablam!   --> src/handoff_counter.rs:55:13
Nov 03 07:13:09.734 INFO kablam!    |
Nov 03 07:13:09.734 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 03 07:13:09.734 INFO kablam!    |             ----^
Nov 03 07:13:09.735 INFO kablam!    |             |
Nov 03 07:13:09.735 INFO kablam!    |             help: remove this `mut`
Nov 03 07:13:09.740 INFO kablam!    |
Nov 03 07:13:09.740 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 07:13:09.740 INFO kablam! 
Nov 03 07:13:09.984 INFO kablam! warning: variable does not need to be mutable
Nov 03 07:13:09.984 INFO kablam!   --> src/handoff_counter.rs:55:13
Nov 03 07:13:09.984 INFO kablam!    |
Nov 03 07:13:09.984 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 03 07:13:09.984 INFO kablam!    |             ----^
Nov 03 07:13:09.984 INFO kablam!    |             |
Nov 03 07:13:09.984 INFO kablam!    |             help: remove this `mut`
Nov 03 07:13:09.984 INFO kablam!    |
Nov 03 07:13:09.984 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 07:13:09.984 INFO kablam! 
Nov 03 07:13:11.440 INFO kablam! warning: type alias is never used: `Env`
Nov 03 07:13:11.440 INFO kablam!   --> src/bin/simulate.rs:14:1
Nov 03 07:13:11.440 INFO kablam!    |
Nov 03 07:13:11.440 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 03 07:13:11.440 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 07:13:11.440 INFO kablam!    |
Nov 03 07:13:11.440 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 07:13:11.440 INFO kablam! 
Nov 03 07:13:11.636 INFO kablam! warning: type alias is never used: `Env`
Nov 03 07:13:11.637 INFO kablam!   --> src/bin/simulate.rs:14:1
Nov 03 07:13:11.637 INFO kablam!    |
Nov 03 07:13:11.640 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 03 07:13:11.641 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 07:13:11.641 INFO kablam!    |
Nov 03 07:13:11.641 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 07:13:11.642 INFO kablam! 
Nov 03 07:13:11.679 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
Nov 03 07:13:11.680 INFO kablam! su: No module specific data is present
Nov 03 07:13:12.280 INFO running `"docker" "rm" "-f" "f29565ffdefd28862a18f0c653ad13cdd8970d26d5b51d414e591736d8ab176b"`
Nov 03 07:13:12.412 INFO blam! f29565ffdefd28862a18f0c653ad13cdd8970d26d5b51d414e591736d8ab176b