Sep 04 17:38:47.610 INFO checking handoff_counter-0.8.5 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 17:38:47.610 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 17:38:47.610 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:38:47.794 INFO blam! 611928b52b417ed91167bcacc02fa6ce878bd80a5dadcf2018fbd25c9f90618a
Sep 04 17:38:47.796 INFO running `"docker" "start" "-a" "611928b52b417ed91167bcacc02fa6ce878bd80a5dadcf2018fbd25c9f90618a"`
Sep 04 17:38:48.482 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 04 17:38:49.268 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:38:49.268 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 04 17:38:49.268 INFO kablam!    |
Sep 04 17:38:49.268 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 04 17:38:49.268 INFO kablam!    |             ----^
Sep 04 17:38:49.268 INFO kablam!    |             |
Sep 04 17:38:49.268 INFO kablam!    |             help: remove this `mut`
Sep 04 17:38:49.269 INFO kablam!    |
Sep 04 17:38:49.269 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:38:49.269 INFO kablam! 
Sep 04 17:38:49.470 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:38:49.471 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 04 17:38:49.471 INFO kablam!    |
Sep 04 17:38:49.471 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 04 17:38:49.471 INFO kablam!    |             ----^
Sep 04 17:38:49.471 INFO kablam!    |             |
Sep 04 17:38:49.471 INFO kablam!    |             help: remove this `mut`
Sep 04 17:38:49.471 INFO kablam!    |
Sep 04 17:38:49.471 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:38:49.471 INFO kablam! 
Sep 04 17:38:50.255 INFO kablam! warning: type alias is never used: `Env`
Sep 04 17:38:50.255 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 04 17:38:50.255 INFO kablam!    |
Sep 04 17:38:50.255 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 04 17:38:50.255 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 17:38:50.255 INFO kablam!    |
Sep 04 17:38:50.255 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 17:38:50.255 INFO kablam! 
Sep 04 17:38:50.309 INFO kablam! warning: type alias is never used: `Env`
Sep 04 17:38:50.309 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 04 17:38:50.309 INFO kablam!    |
Sep 04 17:38:50.309 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 04 17:38:50.309 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 17:38:50.309 INFO kablam!    |
Sep 04 17:38:50.309 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 04 17:38:50.309 INFO kablam! 
Sep 04 17:38:50.322 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Sep 04 17:38:50.328 INFO kablam! su: No module specific data is present
Sep 04 17:38:50.857 INFO running `"docker" "rm" "-f" "611928b52b417ed91167bcacc02fa6ce878bd80a5dadcf2018fbd25c9f90618a"`
Sep 04 17:38:50.988 INFO blam! 611928b52b417ed91167bcacc02fa6ce878bd80a5dadcf2018fbd25c9f90618a