Sep 06 01:03:26.054 INFO checking ruma-signatures-0.4.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 01:03:26.054 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 01:03:26.055 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 01:03:26.220 INFO blam! 10068536fa47d088a067a85ab1ea9b5543378d0e72ef6c784f64bada51761950
Sep 06 01:03:26.231 INFO running `"docker" "start" "-a" "10068536fa47d088a067a85ab1ea9b5543378d0e72ef6c784f64bada51761950"`
Sep 06 01:03:26.926 INFO kablam! usermod: no changes
Sep 06 01:03:27.034 INFO kablam!    Compiling ring v0.9.7
Sep 06 01:03:32.576 INFO kablam!     Checking ruma-signatures v0.4.0 (file:///source)
Sep 06 01:03:33.472 INFO kablam! warning: variable does not need to be mutable
Sep 06 01:03:33.472 INFO kablam!    --> src/lib.rs:196:13
Sep 06 01:03:33.472 INFO kablam!     |
Sep 06 01:03:33.472 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 06 01:03:33.472 INFO kablam!     |             ----^^^^^^
Sep 06 01:03:33.472 INFO kablam!     |             |
Sep 06 01:03:33.472 INFO kablam!     |             help: remove this `mut`
Sep 06 01:03:33.472 INFO kablam!     |
Sep 06 01:03:33.472 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 01:03:33.472 INFO kablam! 
Sep 06 01:03:33.674 INFO kablam! warning: variable does not need to be mutable
Sep 06 01:03:33.674 INFO kablam!    --> src/lib.rs:196:13
Sep 06 01:03:33.674 INFO kablam!     |
Sep 06 01:03:33.674 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 06 01:03:33.674 INFO kablam!     |             ----^^^^^^
Sep 06 01:03:33.674 INFO kablam!     |             |
Sep 06 01:03:33.674 INFO kablam!     |             help: remove this `mut`
Sep 06 01:03:33.674 INFO kablam!     |
Sep 06 01:03:33.674 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 01:03:33.675 INFO kablam! 
Sep 06 01:03:33.745 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
Sep 06 01:03:33.754 INFO kablam! su: No module specific data is present
Sep 06 01:03:34.354 INFO running `"docker" "rm" "-f" "10068536fa47d088a067a85ab1ea9b5543378d0e72ef6c784f64bada51761950"`
Sep 06 01:03:34.494 INFO blam! 10068536fa47d088a067a85ab1ea9b5543378d0e72ef6c784f64bada51761950