Sep 04 11:39:56.445 INFO checking lru2-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 11:39:56.445 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 11:39:56.445 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/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 11:39:56.708 INFO blam! 9c6c84156b5cd94152529702fe7c6318d3145e21a3f58b538e4b354357772d6b
Sep 04 11:39:56.710 INFO running `"docker" "start" "-a" "9c6c84156b5cd94152529702fe7c6318d3145e21a3f58b538e4b354357772d6b"`
Sep 04 11:39:57.603 INFO kablam!     Checking lru2 v0.1.0 (file:///source)
Sep 04 11:39:58.431 INFO kablam! warning: variable does not need to be mutable
Sep 04 11:39:58.432 INFO kablam!   --> src/cache/mod.rs:57:13
Sep 04 11:39:58.432 INFO kablam!    |
Sep 04 11:39:58.432 INFO kablam! 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Sep 04 11:39:58.432 INFO kablam!    |             ----^^^^^
Sep 04 11:39:58.432 INFO kablam!    |             |
Sep 04 11:39:58.432 INFO kablam!    |             help: remove this `mut`
Sep 04 11:39:58.432 INFO kablam!    |
Sep 04 11:39:58.432 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 11:39:58.432 INFO kablam! 
Sep 04 11:39:58.912 INFO kablam! warning: variable does not need to be mutable
Sep 04 11:39:58.912 INFO kablam!   --> src/cache/mod.rs:57:13
Sep 04 11:39:58.912 INFO kablam!    |
Sep 04 11:39:58.912 INFO kablam! 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Sep 04 11:39:58.912 INFO kablam!    |             ----^^^^^
Sep 04 11:39:58.912 INFO kablam!    |             |
Sep 04 11:39:58.912 INFO kablam!    |             help: remove this `mut`
Sep 04 11:39:58.912 INFO kablam!    |
Sep 04 11:39:58.913 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 11:39:58.914 INFO kablam! 
Sep 04 11:39:59.019 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Sep 04 11:39:59.024 INFO kablam! su: No module specific data is present
Sep 04 11:39:59.544 INFO running `"docker" "rm" "-f" "9c6c84156b5cd94152529702fe7c6318d3145e21a3f58b538e4b354357772d6b"`
Sep 04 11:39:59.699 INFO blam! 9c6c84156b5cd94152529702fe7c6318d3145e21a3f58b538e4b354357772d6b