Jul 11 23:42:05.436 INFO checking ruma-signatures-0.4.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 23:42:05.436 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 23:42:05.436 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 23:42:05.436 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-7/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 23:42:05.715 INFO blam! 1071a037fb0664518f2b92f8d8dd81f27c722c812dabb5332010124102bde030
Jul 11 23:42:05.717 INFO running `"docker" "start" "-a" "1071a037fb0664518f2b92f8d8dd81f27c722c812dabb5332010124102bde030"`
Jul 11 23:42:06.829 INFO kablam!    Compiling ring v0.9.7
Jul 11 23:42:18.246 INFO kablam!     Checking ruma-signatures v0.4.0 (file:///source)
Jul 11 23:42:18.999 INFO kablam! warning: variable does not need to be mutable
Jul 11 23:42:18.999 INFO kablam!    --> src/lib.rs:196:13
Jul 11 23:42:18.999 INFO kablam!     |
Jul 11 23:42:18.999 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Jul 11 23:42:18.999 INFO kablam!     |             ----^^^^^^
Jul 11 23:42:18.999 INFO kablam!     |             |
Jul 11 23:42:18.999 INFO kablam!     |             help: remove this `mut`
Jul 11 23:42:18.999 INFO kablam!     |
Jul 11 23:42:18.999 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 11 23:42:18.999 INFO kablam! 
Jul 11 23:42:19.247 INFO kablam! warning: variable does not need to be mutable
Jul 11 23:42:19.247 INFO kablam!    --> src/lib.rs:196:13
Jul 11 23:42:19.247 INFO kablam!     |
Jul 11 23:42:19.247 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Jul 11 23:42:19.247 INFO kablam!     |             ----^^^^^^
Jul 11 23:42:19.247 INFO kablam!     |             |
Jul 11 23:42:19.247 INFO kablam!     |             help: remove this `mut`
Jul 11 23:42:19.247 INFO kablam!     |
Jul 11 23:42:19.247 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 11 23:42:19.247 INFO kablam! 
Jul 11 23:42:19.451 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
Jul 11 23:42:19.458 INFO kablam! su: No module specific data is present
Jul 11 23:42:19.969 INFO running `"docker" "rm" "-f" "1071a037fb0664518f2b92f8d8dd81f27c722c812dabb5332010124102bde030"`
Jul 11 23:42:20.067 INFO blam! 1071a037fb0664518f2b92f8d8dd81f27c722c812dabb5332010124102bde030