Aug 01 23:57:08.487 INFO checking ruma-signatures-0.4.0 against 1.27.2 for lazy_static-1
Aug 01 23:57:08.487 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:57:08.487 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:57:08.487 INFO running `"docker" "create" "-v" "/tmp/crater.wlJQeLPwCVjL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 23:57:08.662 INFO blam! e566a6b31a87aaf8e370a7d05af6f784e773e0608e999e19cb453c42739f084c
Aug 01 23:57:08.664 INFO running `"docker" "start" "-a" "e566a6b31a87aaf8e370a7d05af6f784e773e0608e999e19cb453c42739f084c"`
Aug 01 23:57:10.038 INFO kablam!    Compiling ring v0.9.7
Aug 01 23:57:15.249 INFO kablam!     Checking ruma-signatures v0.4.0 (file:///source)
Aug 01 23:57:16.436 INFO kablam! warning: variable does not need to be mutable
Aug 01 23:57:16.436 INFO kablam!    --> src/lib.rs:196:13
Aug 01 23:57:16.436 INFO kablam!     |
Aug 01 23:57:16.436 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Aug 01 23:57:16.436 INFO kablam!     |             ----^^^^^^
Aug 01 23:57:16.436 INFO kablam!     |             |
Aug 01 23:57:16.436 INFO kablam!     |             help: remove this `mut`
Aug 01 23:57:16.436 INFO kablam!     |
Aug 01 23:57:16.436 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 01 23:57:16.436 INFO kablam! 
Aug 01 23:57:16.860 INFO kablam! warning: variable does not need to be mutable
Aug 01 23:57:16.860 INFO kablam!    --> src/lib.rs:196:13
Aug 01 23:57:16.860 INFO kablam!     |
Aug 01 23:57:16.860 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Aug 01 23:57:16.860 INFO kablam!     |             ----^^^^^^
Aug 01 23:57:16.860 INFO kablam!     |             |
Aug 01 23:57:16.860 INFO kablam!     |             help: remove this `mut`
Aug 01 23:57:16.860 INFO kablam!     |
Aug 01 23:57:16.860 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 01 23:57:16.860 INFO kablam! 
Aug 01 23:57:17.075 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
Aug 01 23:57:17.087 INFO kablam! su: No module specific data is present
Aug 01 23:57:17.976 INFO running `"docker" "rm" "-f" "e566a6b31a87aaf8e370a7d05af6f784e773e0608e999e19cb453c42739f084c"`
Aug 01 23:57:18.093 INFO blam! e566a6b31a87aaf8e370a7d05af6f784e773e0608e999e19cb453c42739f084c