Sep 10 16:55:03.584 INFO checking handoff_counter-0.8.5 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:55:03.584 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:55:03.584 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:55:03.768 INFO blam! 8adac09c5d13d5e464e26e1d36d6acf930ca864a3c626ad40f7d6b715c836a03
Sep 10 16:55:03.772 INFO running `"docker" "start" "-a" "8adac09c5d13d5e464e26e1d36d6acf930ca864a3c626ad40f7d6b715c836a03"`
Sep 10 16:55:04.574 INFO kablam! usermod: no changes
Sep 10 16:55:04.618 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 10 16:55:04.978 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:55:04.978 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 10 16:55:04.978 INFO kablam!    |
Sep 10 16:55:04.978 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 10 16:55:04.978 INFO kablam!    |             ----^
Sep 10 16:55:04.978 INFO kablam!    |             |
Sep 10 16:55:04.978 INFO kablam!    |             help: remove this `mut`
Sep 10 16:55:04.978 INFO kablam!    |
Sep 10 16:55:04.978 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 16:55:04.978 INFO kablam! 
Sep 10 16:55:05.750 INFO kablam! warning: type alias is never used: `Env`
Sep 10 16:55:05.750 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 10 16:55:05.750 INFO kablam!    |
Sep 10 16:55:05.750 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 10 16:55:05.750 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 16:55:05.750 INFO kablam!    |
Sep 10 16:55:05.750 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 16:55:05.750 INFO kablam! 
Sep 10 16:55:05.770 INFO kablam! warning: type alias is never used: `Env`
Sep 10 16:55:05.770 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 10 16:55:05.770 INFO kablam!    |
Sep 10 16:55:05.770 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 10 16:55:05.770 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 16:55:05.770 INFO kablam!    |
Sep 10 16:55:05.770 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 16:55:05.770 INFO kablam! 
Sep 10 16:55:05.934 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:55:05.934 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 10 16:55:05.934 INFO kablam!    |
Sep 10 16:55:05.934 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 10 16:55:05.934 INFO kablam!    |             ----^
Sep 10 16:55:05.934 INFO kablam!    |             |
Sep 10 16:55:05.934 INFO kablam!    |             help: remove this `mut`
Sep 10 16:55:05.934 INFO kablam!    |
Sep 10 16:55:05.934 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 16:55:05.934 INFO kablam! 
Sep 10 16:55:06.012 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Sep 10 16:55:06.021 INFO kablam! su: No module specific data is present
Sep 10 16:55:07.163 INFO running `"docker" "rm" "-f" "8adac09c5d13d5e464e26e1d36d6acf930ca864a3c626ad40f7d6b715c836a03"`
Sep 10 16:55:07.275 INFO blam! 8adac09c5d13d5e464e26e1d36d6acf930ca864a3c626ad40f7d6b715c836a03