Sep 10 11:03:13.626 INFO checking ruma-signatures-0.4.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 11:03:13.626 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 11:03:13.626 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/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 11:03:13.915 INFO blam! 555f51d131dd18db3792d7a9d64e6f61e842451085b2c7e1a14e15993e480a06
Sep 10 11:03:13.916 INFO running `"docker" "start" "-a" "555f51d131dd18db3792d7a9d64e6f61e842451085b2c7e1a14e15993e480a06"`
Sep 10 11:03:14.842 INFO kablam! usermod: no changes
Sep 10 11:03:15.038 INFO kablam!    Compiling rayon v0.7.1
Sep 10 11:03:17.951 INFO kablam!    Compiling ring v0.9.7
Sep 10 11:03:22.326 INFO kablam!     Checking ruma-signatures v0.4.0 (file:///source)
Sep 10 11:03:22.962 INFO kablam! warning: variable does not need to be mutable
Sep 10 11:03:22.962 INFO kablam!    --> src/lib.rs:196:13
Sep 10 11:03:22.962 INFO kablam!     |
Sep 10 11:03:22.962 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 10 11:03:22.962 INFO kablam!     |             ----^^^^^^
Sep 10 11:03:22.962 INFO kablam!     |             |
Sep 10 11:03:22.962 INFO kablam!     |             help: remove this `mut`
Sep 10 11:03:22.962 INFO kablam!     |
Sep 10 11:03:22.962 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 11:03:22.962 INFO kablam! 
Sep 10 11:03:23.167 INFO kablam! warning: variable does not need to be mutable
Sep 10 11:03:23.167 INFO kablam!    --> src/lib.rs:196:13
Sep 10 11:03:23.167 INFO kablam!     |
Sep 10 11:03:23.167 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 10 11:03:23.167 INFO kablam!     |             ----^^^^^^
Sep 10 11:03:23.167 INFO kablam!     |             |
Sep 10 11:03:23.167 INFO kablam!     |             help: remove this `mut`
Sep 10 11:03:23.167 INFO kablam!     |
Sep 10 11:03:23.167 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 11:03:23.167 INFO kablam! 
Sep 10 11:03:23.266 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
Sep 10 11:03:23.272 INFO kablam! su: No module specific data is present
Sep 10 11:03:23.838 INFO running `"docker" "rm" "-f" "555f51d131dd18db3792d7a9d64e6f61e842451085b2c7e1a14e15993e480a06"`
Sep 10 11:03:23.951 INFO blam! 555f51d131dd18db3792d7a9d64e6f61e842451085b2c7e1a14e15993e480a06