Sep 04 05:21:28.950 INFO checking ruma-signatures-0.4.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 05:21:28.950 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 05:21:28.950 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/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 05:21:29.135 INFO blam! 9034a5749c27e18a597b54242929d7f654b8ca448ef6e5a855bc749bd853eb5a
Sep 04 05:21:29.137 INFO running `"docker" "start" "-a" "9034a5749c27e18a597b54242929d7f654b8ca448ef6e5a855bc749bd853eb5a"`
Sep 04 05:21:29.773 INFO kablam!     Checking ruma-signatures v0.4.0 (file:///source)
Sep 04 05:21:30.781 INFO kablam! warning: variable does not need to be mutable
Sep 04 05:21:30.781 INFO kablam!    --> src/lib.rs:196:13
Sep 04 05:21:30.781 INFO kablam!     |
Sep 04 05:21:30.781 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 04 05:21:30.781 INFO kablam!     |             ----^^^^^^
Sep 04 05:21:30.781 INFO kablam!     |             |
Sep 04 05:21:30.781 INFO kablam!     |             help: remove this `mut`
Sep 04 05:21:30.781 INFO kablam!     |
Sep 04 05:21:30.782 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 05:21:30.782 INFO kablam! 
Sep 04 05:21:31.110 INFO kablam! warning: variable does not need to be mutable
Sep 04 05:21:31.110 INFO kablam!    --> src/lib.rs:196:13
Sep 04 05:21:31.110 INFO kablam!     |
Sep 04 05:21:31.110 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 04 05:21:31.110 INFO kablam!     |             ----^^^^^^
Sep 04 05:21:31.110 INFO kablam!     |             |
Sep 04 05:21:31.110 INFO kablam!     |             help: remove this `mut`
Sep 04 05:21:31.110 INFO kablam!     |
Sep 04 05:21:31.110 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 05:21:31.110 INFO kablam! 
Sep 04 05:21:31.242 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Sep 04 05:21:31.247 INFO kablam! su: No module specific data is present
Sep 04 05:21:31.637 INFO running `"docker" "rm" "-f" "9034a5749c27e18a597b54242929d7f654b8ca448ef6e5a855bc749bd853eb5a"`
Sep 04 05:21:31.721 INFO blam! 9034a5749c27e18a597b54242929d7f654b8ca448ef6e5a855bc749bd853eb5a