Sep 04 14:43:01.328 INFO checking handoff_counter-0.8.5 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 14:43:01.328 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 14:43:01.329 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 14:43:01.539 INFO blam! dfe2ef8f24675f7372666f776340ed16d935ba284bdea5ae6c8266939629017d
Sep 04 14:43:01.540 INFO running `"docker" "start" "-a" "dfe2ef8f24675f7372666f776340ed16d935ba284bdea5ae6c8266939629017d"`
Sep 04 14:43:02.137 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 04 14:43:02.937 INFO kablam! warning: variable does not need to be mutable
Sep 04 14:43:02.937 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 04 14:43:02.937 INFO kablam!    |
Sep 04 14:43:02.937 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 04 14:43:02.937 INFO kablam!    |             ----^
Sep 04 14:43:02.937 INFO kablam!    |             |
Sep 04 14:43:02.937 INFO kablam!    |             help: remove this `mut`
Sep 04 14:43:02.937 INFO kablam!    |
Sep 04 14:43:02.937 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 14:43:02.938 INFO kablam! 
Sep 04 14:43:02.939 INFO kablam! warning: variable does not need to be mutable
Sep 04 14:43:02.939 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 04 14:43:02.939 INFO kablam!    |
Sep 04 14:43:02.939 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 04 14:43:02.939 INFO kablam!    |             ----^
Sep 04 14:43:02.939 INFO kablam!    |             |
Sep 04 14:43:02.939 INFO kablam!    |             help: remove this `mut`
Sep 04 14:43:02.939 INFO kablam!    |
Sep 04 14:43:02.939 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 14:43:02.939 INFO kablam! 
Sep 04 14:43:03.598 INFO kablam! warning: type alias is never used: `Env`
Sep 04 14:43:03.598 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 04 14:43:03.598 INFO kablam!    |
Sep 04 14:43:03.598 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 04 14:43:03.598 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:43:03.598 INFO kablam!    |
Sep 04 14:43:03.598 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 14:43:03.598 INFO kablam! 
Sep 04 14:43:03.767 INFO kablam! warning: type alias is never used: `Env`
Sep 04 14:43:03.767 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 04 14:43:03.767 INFO kablam!    |
Sep 04 14:43:03.767 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 04 14:43:03.767 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 14:43:03.767 INFO kablam!    |
Sep 04 14:43:03.768 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 14:43:03.768 INFO kablam! 
Sep 04 14:43:03.778 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Sep 04 14:43:03.782 INFO kablam! su: No module specific data is present
Sep 04 14:43:04.101 INFO running `"docker" "rm" "-f" "dfe2ef8f24675f7372666f776340ed16d935ba284bdea5ae6c8266939629017d"`
Sep 04 14:43:04.196 INFO blam! dfe2ef8f24675f7372666f776340ed16d935ba284bdea5ae6c8266939629017d