Sep 02 11:19:45.042 INFO checking handoff_counter-0.8.5 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 11:19:45.042 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 11:19:45.042 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 11:19:45.214 INFO blam! aea1d3bf0b84417f4c06b17c96d1158ed0dc937263c722104e900a06cc6d4cf8
Sep 02 11:19:45.215 INFO running `"docker" "start" "-a" "aea1d3bf0b84417f4c06b17c96d1158ed0dc937263c722104e900a06cc6d4cf8"`
Sep 02 11:19:45.955 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 02 11:19:46.599 INFO kablam! warning: variable does not need to be mutable
Sep 02 11:19:46.599 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 02 11:19:46.599 INFO kablam!    |
Sep 02 11:19:46.599 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 02 11:19:46.599 INFO kablam!    |             ----^
Sep 02 11:19:46.599 INFO kablam!    |             |
Sep 02 11:19:46.599 INFO kablam!    |             help: remove this `mut`
Sep 02 11:19:46.600 INFO kablam!    |
Sep 02 11:19:46.600 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 11:19:46.600 INFO kablam! 
Sep 02 11:19:46.647 INFO kablam! warning: variable does not need to be mutable
Sep 02 11:19:46.647 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 02 11:19:46.647 INFO kablam!    |
Sep 02 11:19:46.647 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 02 11:19:46.647 INFO kablam!    |             ----^
Sep 02 11:19:46.647 INFO kablam!    |             |
Sep 02 11:19:46.647 INFO kablam!    |             help: remove this `mut`
Sep 02 11:19:46.647 INFO kablam!    |
Sep 02 11:19:46.647 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 11:19:46.647 INFO kablam! 
Sep 02 11:19:47.421 INFO kablam! warning: type alias is never used: `Env`
Sep 02 11:19:47.422 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 02 11:19:47.422 INFO kablam!    |
Sep 02 11:19:47.422 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 02 11:19:47.422 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 11:19:47.422 INFO kablam!    |
Sep 02 11:19:47.422 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 11:19:47.422 INFO kablam! 
Sep 02 11:19:47.520 INFO kablam! warning: type alias is never used: `Env`
Sep 02 11:19:47.520 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 02 11:19:47.520 INFO kablam!    |
Sep 02 11:19:47.520 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 02 11:19:47.520 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 11:19:47.520 INFO kablam!    |
Sep 02 11:19:47.520 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 11:19:47.520 INFO kablam! 
Sep 02 11:19:47.536 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Sep 02 11:19:47.541 INFO kablam! su: No module specific data is present
Sep 02 11:19:48.088 INFO running `"docker" "rm" "-f" "aea1d3bf0b84417f4c06b17c96d1158ed0dc937263c722104e900a06cc6d4cf8"`
Sep 02 11:19:48.201 INFO blam! aea1d3bf0b84417f4c06b17c96d1158ed0dc937263c722104e900a06cc6d4cf8