Sep 14 15:06:41.187 INFO checking handoff_counter-0.8.5 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 15:06:41.187 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 15:06:41.187 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-5/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 15:06:41.610 INFO blam! a53db0d33a4c7675c6f2820abd1a23fc77d0509bebf7f6ef493bf9d9e110dd60
Sep 14 15:06:41.612 INFO running `"docker" "start" "-a" "a53db0d33a4c7675c6f2820abd1a23fc77d0509bebf7f6ef493bf9d9e110dd60"`
Sep 14 15:06:42.442 INFO kablam! usermod: no changes
Sep 14 15:06:42.481 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 14 15:06:42.862 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:06:42.863 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 14 15:06:42.863 INFO kablam!    |
Sep 14 15:06:42.863 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 14 15:06:42.863 INFO kablam!    |             ----^
Sep 14 15:06:42.863 INFO kablam!    |             |
Sep 14 15:06:42.863 INFO kablam!    |             help: remove this `mut`
Sep 14 15:06:42.863 INFO kablam!    |
Sep 14 15:06:42.863 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 15:06:42.863 INFO kablam! 
Sep 14 15:06:43.035 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:06:43.035 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 14 15:06:43.035 INFO kablam!    |
Sep 14 15:06:43.035 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 14 15:06:43.035 INFO kablam!    |             ----^
Sep 14 15:06:43.035 INFO kablam!    |             |
Sep 14 15:06:43.035 INFO kablam!    |             help: remove this `mut`
Sep 14 15:06:43.035 INFO kablam!    |
Sep 14 15:06:43.035 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 15:06:43.035 INFO kablam! 
Sep 14 15:06:43.374 INFO kablam! warning: type alias is never used: `Env`
Sep 14 15:06:43.374 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 14 15:06:43.374 INFO kablam!    |
Sep 14 15:06:43.374 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 14 15:06:43.374 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:06:43.374 INFO kablam!    |
Sep 14 15:06:43.374 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 15:06:43.374 INFO kablam! 
Sep 14 15:06:43.396 INFO kablam! warning: type alias is never used: `Env`
Sep 14 15:06:43.396 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 14 15:06:43.396 INFO kablam!    |
Sep 14 15:06:43.396 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 14 15:06:43.396 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 15:06:43.396 INFO kablam!    |
Sep 14 15:06:43.396 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 15:06:43.396 INFO kablam! 
Sep 14 15:06:43.409 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Sep 14 15:06:43.412 INFO kablam! su: No module specific data is present
Sep 14 15:06:44.084 INFO running `"docker" "rm" "-f" "a53db0d33a4c7675c6f2820abd1a23fc77d0509bebf7f6ef493bf9d9e110dd60"`
Sep 14 15:06:44.174 INFO blam! a53db0d33a4c7675c6f2820abd1a23fc77d0509bebf7f6ef493bf9d9e110dd60