Sep 01 17:49:18.711 INFO checking handoff_counter-0.8.5 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 17:49:18.711 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 17:49:18.711 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 17:49:18.931 INFO blam! 68839abdac7d2674dad54174e0862ba677fa3c29814063bbd58075bc89ca1b93
Sep 01 17:49:18.933 INFO running `"docker" "start" "-a" "68839abdac7d2674dad54174e0862ba677fa3c29814063bbd58075bc89ca1b93"`
Sep 01 17:49:19.494 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 01 17:49:20.187 INFO kablam! warning: variable does not need to be mutable
Sep 01 17:49:20.187 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 01 17:49:20.187 INFO kablam!    |
Sep 01 17:49:20.187 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 01 17:49:20.187 INFO kablam!    |             ----^
Sep 01 17:49:20.187 INFO kablam!    |             |
Sep 01 17:49:20.187 INFO kablam!    |             help: remove this `mut`
Sep 01 17:49:20.187 INFO kablam!    |
Sep 01 17:49:20.187 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 17:49:20.187 INFO kablam! 
Sep 01 17:49:20.260 INFO kablam! warning: variable does not need to be mutable
Sep 01 17:49:20.260 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 01 17:49:20.260 INFO kablam!    |
Sep 01 17:49:20.260 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 01 17:49:20.260 INFO kablam!    |             ----^
Sep 01 17:49:20.260 INFO kablam!    |             |
Sep 01 17:49:20.260 INFO kablam!    |             help: remove this `mut`
Sep 01 17:49:20.260 INFO kablam!    |
Sep 01 17:49:20.260 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 17:49:20.260 INFO kablam! 
Sep 01 17:49:20.936 INFO kablam! warning: type alias is never used: `Env`
Sep 01 17:49:20.936 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 01 17:49:20.936 INFO kablam!    |
Sep 01 17:49:20.936 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 01 17:49:20.936 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 17:49:20.937 INFO kablam!    |
Sep 01 17:49:20.937 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 17:49:20.937 INFO kablam! 
Sep 01 17:49:20.949 INFO kablam! warning: type alias is never used: `Env`
Sep 01 17:49:20.949 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 01 17:49:20.949 INFO kablam!    |
Sep 01 17:49:20.949 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 01 17:49:20.949 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 17:49:20.949 INFO kablam!    |
Sep 01 17:49:20.949 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 17:49:20.949 INFO kablam! 
Sep 01 17:49:20.967 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Sep 01 17:49:20.971 INFO kablam! su: No module specific data is present
Sep 01 17:49:21.373 INFO running `"docker" "rm" "-f" "68839abdac7d2674dad54174e0862ba677fa3c29814063bbd58075bc89ca1b93"`
Sep 01 17:49:21.476 INFO blam! 68839abdac7d2674dad54174e0862ba677fa3c29814063bbd58075bc89ca1b93