Sep 10 15:01:49.593 INFO checking lru2-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 15:01:49.593 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 15:01:49.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/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 15:01:49.800 INFO blam! d037363f617824596ba614911fc941f7ccabe91ea45d816ca4cbc3f93b9ba6fc
Sep 10 15:01:49.802 INFO running `"docker" "start" "-a" "d037363f617824596ba614911fc941f7ccabe91ea45d816ca4cbc3f93b9ba6fc"`
Sep 10 15:01:50.492 INFO kablam! usermod: no changes
Sep 10 15:01:50.525 INFO kablam!     Checking lru2 v0.1.0 (file:///source)
Sep 10 15:01:50.821 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:01:50.821 INFO kablam!   --> src/cache/mod.rs:57:13
Sep 10 15:01:50.821 INFO kablam!    |
Sep 10 15:01:50.821 INFO kablam! 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Sep 10 15:01:50.821 INFO kablam!    |             ----^^^^^
Sep 10 15:01:50.821 INFO kablam!    |             |
Sep 10 15:01:50.821 INFO kablam!    |             help: remove this `mut`
Sep 10 15:01:50.821 INFO kablam!    |
Sep 10 15:01:50.821 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 15:01:50.821 INFO kablam! 
Sep 10 15:01:51.021 INFO kablam! warning: variable does not need to be mutable
Sep 10 15:01:51.021 INFO kablam!   --> src/cache/mod.rs:57:13
Sep 10 15:01:51.021 INFO kablam!    |
Sep 10 15:01:51.021 INFO kablam! 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Sep 10 15:01:51.021 INFO kablam!    |             ----^^^^^
Sep 10 15:01:51.021 INFO kablam!    |             |
Sep 10 15:01:51.021 INFO kablam!    |             help: remove this `mut`
Sep 10 15:01:51.021 INFO kablam!    |
Sep 10 15:01:51.021 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 15:01:51.021 INFO kablam! 
Sep 10 15:01:51.078 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Sep 10 15:01:51.081 INFO kablam! su: No module specific data is present
Sep 10 15:01:51.777 INFO running `"docker" "rm" "-f" "d037363f617824596ba614911fc941f7ccabe91ea45d816ca4cbc3f93b9ba6fc"`
Sep 10 15:01:51.870 INFO blam! d037363f617824596ba614911fc941f7ccabe91ea45d816ca4cbc3f93b9ba6fc