Sep 21 08:56:27.108 INFO checking handoff_counter-0.8.5 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 08:56:27.108 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 08:56:27.108 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:56:27.330 INFO blam! 5f6d90f77c8682e34da6cf6139f8b30e54db6c2896eb07fb51c8a2cb99af47e8
Sep 21 08:56:27.332 INFO running `"docker" "start" "-a" "5f6d90f77c8682e34da6cf6139f8b30e54db6c2896eb07fb51c8a2cb99af47e8"`
Sep 21 08:56:28.854 INFO kablam! usermod: no changes
Sep 21 08:56:28.922 INFO kablam!     Checking handoff_counter v0.8.5 (/source)
Sep 21 08:56:29.442 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:56:29.442 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 21 08:56:29.442 INFO kablam!    |
Sep 21 08:56:29.442 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 21 08:56:29.442 INFO kablam!    |             ----^
Sep 21 08:56:29.442 INFO kablam!    |             |
Sep 21 08:56:29.442 INFO kablam!    |             help: remove this `mut`
Sep 21 08:56:29.442 INFO kablam!    |
Sep 21 08:56:29.442 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 08:56:29.442 INFO kablam! 
Sep 21 08:56:29.738 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:56:29.738 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 21 08:56:29.738 INFO kablam!    |
Sep 21 08:56:29.738 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 21 08:56:29.738 INFO kablam!    |             ----^
Sep 21 08:56:29.738 INFO kablam!    |             |
Sep 21 08:56:29.738 INFO kablam!    |             help: remove this `mut`
Sep 21 08:56:29.739 INFO kablam!    |
Sep 21 08:56:29.739 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 08:56:29.739 INFO kablam! 
Sep 21 08:56:30.310 INFO kablam! warning: type alias is never used: `Env`
Sep 21 08:56:30.310 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 21 08:56:30.310 INFO kablam!    |
Sep 21 08:56:30.310 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 21 08:56:30.310 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 08:56:30.310 INFO kablam!    |
Sep 21 08:56:30.310 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 08:56:30.318 INFO kablam! 
Sep 21 08:56:30.380 INFO kablam! warning: type alias is never used: `Env`
Sep 21 08:56:30.380 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 21 08:56:30.380 INFO kablam!    |
Sep 21 08:56:30.380 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 21 08:56:30.380 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 08:56:30.380 INFO kablam!    |
Sep 21 08:56:30.380 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 08:56:30.380 INFO kablam! 
Sep 21 08:56:30.443 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Sep 21 08:56:30.457 INFO kablam! su: No module specific data is present
Sep 21 08:56:31.399 INFO running `"docker" "rm" "-f" "5f6d90f77c8682e34da6cf6139f8b30e54db6c2896eb07fb51c8a2cb99af47e8"`
Sep 21 08:56:31.518 INFO blam! 5f6d90f77c8682e34da6cf6139f8b30e54db6c2896eb07fb51c8a2cb99af47e8