Nov 03 02:50:49.920 INFO checking ruma-signatures-0.4.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 02:50:49.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 03 02:50:50.142 INFO blam! 8bf0cc448908e066858a1551713d38a3f6e0776065d18469b1b69a9daaf171d1
Nov 03 02:50:50.144 INFO running `"docker" "start" "-a" "8bf0cc448908e066858a1551713d38a3f6e0776065d18469b1b69a9daaf171d1"`
Nov 03 02:50:50.505 INFO kablam! usermod: no changes
Nov 03 02:50:50.587 INFO kablam!    Compiling ring v0.9.7
Nov 03 02:50:57.324 INFO kablam!     Checking ruma-signatures v0.4.0 (/source)
Nov 03 02:50:59.212 INFO kablam! warning: variable does not need to be mutable
Nov 03 02:50:59.213 INFO kablam!    --> src/lib.rs:196:13
Nov 03 02:50:59.213 INFO kablam!     |
Nov 03 02:50:59.213 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 03 02:50:59.214 INFO kablam!     |             ----^^^^^^
Nov 03 02:50:59.214 INFO kablam!     |             |
Nov 03 02:50:59.214 INFO kablam!     |             help: remove this `mut`
Nov 03 02:50:59.214 INFO kablam!     |
Nov 03 02:50:59.215 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 02:50:59.215 INFO kablam! 
Nov 03 02:50:59.632 INFO kablam! warning: variable does not need to be mutable
Nov 03 02:50:59.633 INFO kablam!    --> src/lib.rs:196:13
Nov 03 02:50:59.633 INFO kablam!     |
Nov 03 02:50:59.633 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 03 02:50:59.633 INFO kablam!     |             ----^^^^^^
Nov 03 02:50:59.633 INFO kablam!     |             |
Nov 03 02:50:59.633 INFO kablam!     |             help: remove this `mut`
Nov 03 02:50:59.634 INFO kablam!     |
Nov 03 02:50:59.634 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 02:50:59.634 INFO kablam! 
Nov 03 02:50:59.774 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
Nov 03 02:50:59.785 INFO kablam! su: No module specific data is present
Nov 03 02:51:00.519 INFO running `"docker" "rm" "-f" "8bf0cc448908e066858a1551713d38a3f6e0776065d18469b1b69a9daaf171d1"`
Nov 03 02:51:00.744 INFO blam! 8bf0cc448908e066858a1551713d38a3f6e0776065d18469b1b69a9daaf171d1