Sep 01 01:19:51.151 INFO checking handoff_counter-0.8.5 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 01:19:51.151 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 01:19:51.151 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 01:19:51.354 INFO blam! 2530b81c499d1be9e14500fd230c57a58322027bb5a36501958bf84e57224378
Sep 01 01:19:51.356 INFO running `"docker" "start" "-a" "2530b81c499d1be9e14500fd230c57a58322027bb5a36501958bf84e57224378"`
Sep 01 01:19:52.035 INFO kablam!     Checking handoff_counter v0.8.5 (file:///source)
Sep 01 01:19:52.864 INFO kablam! warning: variable does not need to be mutable
Sep 01 01:19:52.864 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 01 01:19:52.864 INFO kablam!    |
Sep 01 01:19:52.864 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 01 01:19:52.864 INFO kablam!    |             ----^
Sep 01 01:19:52.864 INFO kablam!    |             |
Sep 01 01:19:52.864 INFO kablam!    |             help: remove this `mut`
Sep 01 01:19:52.864 INFO kablam!    |
Sep 01 01:19:52.864 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 01:19:52.864 INFO kablam! 
Sep 01 01:19:53.059 INFO kablam! warning: variable does not need to be mutable
Sep 01 01:19:53.059 INFO kablam!   --> src/handoff_counter.rs:55:13
Sep 01 01:19:53.060 INFO kablam!    |
Sep 01 01:19:53.060 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Sep 01 01:19:53.060 INFO kablam!    |             ----^
Sep 01 01:19:53.060 INFO kablam!    |             |
Sep 01 01:19:53.060 INFO kablam!    |             help: remove this `mut`
Sep 01 01:19:53.060 INFO kablam!    |
Sep 01 01:19:53.060 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 01:19:53.061 INFO kablam! 
Sep 01 01:19:53.681 INFO kablam! warning: type alias is never used: `Env`
Sep 01 01:19:53.681 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 01 01:19:53.681 INFO kablam!    |
Sep 01 01:19:53.681 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 01 01:19:53.681 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 01:19:53.681 INFO kablam!    |
Sep 01 01:19:53.681 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 01:19:53.681 INFO kablam! 
Sep 01 01:19:53.934 INFO kablam! warning: type alias is never used: `Env`
Sep 01 01:19:53.935 INFO kablam!   --> src/bin/simulate.rs:14:1
Sep 01 01:19:53.935 INFO kablam!    |
Sep 01 01:19:53.935 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Sep 01 01:19:53.935 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 01:19:53.935 INFO kablam!    |
Sep 01 01:19:53.935 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 01:19:53.935 INFO kablam! 
Sep 01 01:19:53.950 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Sep 01 01:19:53.954 INFO kablam! su: No module specific data is present
Sep 01 01:19:54.384 INFO running `"docker" "rm" "-f" "2530b81c499d1be9e14500fd230c57a58322027bb5a36501958bf84e57224378"`
Sep 01 01:19:54.510 INFO blam! 2530b81c499d1be9e14500fd230c57a58322027bb5a36501958bf84e57224378