Sep 14 15:06:38.940 INFO checking handoff_counter-0.8.5 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 15:06:38.940 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 15:06:38.940 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 15:06:39.409 INFO blam! c51971182549e2865589757a1c4384e69ab23caa42803ed5715d1abf2a367ce6
Sep 14 15:06:39.411 INFO running `"docker" "start" "-a" "c51971182549e2865589757a1c4384e69ab23caa42803ed5715d1abf2a367ce6"`
Sep 14 15:06:40.515 INFO kablam! usermod: no changes
Sep 14 15:06:40.579 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 14 15:06:40.959 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:06:40.959 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 14 15:06:40.959 INFO kablam!    |
Sep 14 15:06:40.959 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 14 15:06:40.959 INFO kablam!    |             ----^
Sep 14 15:06:40.959 INFO kablam!    |             |
Sep 14 15:06:40.959 INFO kablam!    |             help: remove this `mut`
Sep 14 15:06:40.959 INFO kablam!    |
Sep 14 15:06:40.959 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 15:06:40.959 INFO kablam! 
Sep 14 15:06:41.082 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:06:41.083 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 14 15:06:41.083 INFO kablam!    |
Sep 14 15:06:41.083 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 14 15:06:41.083 INFO kablam!    |             ----^
Sep 14 15:06:41.083 INFO kablam!    |             |
Sep 14 15:06:41.083 INFO kablam!    |             help: remove this `mut`
Sep 14 15:06:41.083 INFO kablam!    |
Sep 14 15:06:41.083 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 15:06:41.083 INFO kablam! 
Sep 14 15:06:41.394 INFO kablam! warning: type alias is never used: `Env`
Sep 14 15:06:41.394 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 14 15:06:41.394 INFO kablam!    |
Sep 14 15:06:41.394 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 14 15:06:41.394 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:06:41.394 INFO kablam!    |
Sep 14 15:06:41.394 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 15:06:41.394 INFO kablam! 
Sep 14 15:06:41.475 INFO kablam! warning: type alias is never used: `Env`
Sep 14 15:06:41.475 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 14 15:06:41.475 INFO kablam!    |
Sep 14 15:06:41.475 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 14 15:06:41.475 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:06:41.475 INFO kablam!    |
Sep 14 15:06:41.476 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 15:06:41.476 INFO kablam! 
Sep 14 15:06:41.500 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Sep 14 15:06:41.503 INFO kablam! su: No module specific data is present
Sep 14 15:06:42.176 INFO running `"docker" "rm" "-f" "c51971182549e2865589757a1c4384e69ab23caa42803ed5715d1abf2a367ce6"`
Sep 14 15:06:42.294 INFO blam! c51971182549e2865589757a1c4384e69ab23caa42803ed5715d1abf2a367ce6