Sep 14 10:14:21.578 INFO checking ruma-signatures-0.4.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 10:14:21.578 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 10:14:21.578 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 10:14:22.015 INFO blam! 8a703c736fcfa693c65b82b6470b5b4c14e22b8cb0c2cd9b867d0dfcbe1356c2
Sep 14 10:14:22.019 INFO running `"docker" "start" "-a" "8a703c736fcfa693c65b82b6470b5b4c14e22b8cb0c2cd9b867d0dfcbe1356c2"`
Sep 14 10:14:23.183 INFO kablam! usermod: no changes
Sep 14 10:14:23.318 INFO kablam!     Checking ruma-signatures v0.4.0 (file:///source)
Sep 14 10:14:24.347 INFO kablam! warning: variable does not need to be mutable
Sep 14 10:14:24.347 INFO kablam!    --> src/lib.rs:196:13
Sep 14 10:14:24.347 INFO kablam!     |
Sep 14 10:14:24.347 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 14 10:14:24.347 INFO kablam!     |             ----^^^^^^
Sep 14 10:14:24.347 INFO kablam!     |             |
Sep 14 10:14:24.347 INFO kablam!     |             help: remove this `mut`
Sep 14 10:14:24.347 INFO kablam!     |
Sep 14 10:14:24.347 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 10:14:24.347 INFO kablam! 
Sep 14 10:14:24.395 INFO kablam! warning: variable does not need to be mutable
Sep 14 10:14:24.395 INFO kablam!    --> src/lib.rs:196:13
Sep 14 10:14:24.395 INFO kablam!     |
Sep 14 10:14:24.395 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Sep 14 10:14:24.395 INFO kablam!     |             ----^^^^^^
Sep 14 10:14:24.395 INFO kablam!     |             |
Sep 14 10:14:24.395 INFO kablam!     |             help: remove this `mut`
Sep 14 10:14:24.395 INFO kablam!     |
Sep 14 10:14:24.395 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 10:14:24.395 INFO kablam! 
Sep 14 10:14:24.531 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Sep 14 10:14:24.536 INFO kablam! su: No module specific data is present
Sep 14 10:14:25.499 INFO running `"docker" "rm" "-f" "8a703c736fcfa693c65b82b6470b5b4c14e22b8cb0c2cd9b867d0dfcbe1356c2"`
Sep 14 10:14:25.719 INFO blam! 8a703c736fcfa693c65b82b6470b5b4c14e22b8cb0c2cd9b867d0dfcbe1356c2