Nov 03 02:50:49.932 INFO checking ruma-signatures-0.4.0 against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 03 02:50:49.932 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02:50:50.169 INFO blam! 73265cd42310c56b48d12537edbcb4ff55703085a923a4c8b2cabacea7e8c80c
Nov 03 02:50:50.170 INFO running `"docker" "start" "-a" "73265cd42310c56b48d12537edbcb4ff55703085a923a4c8b2cabacea7e8c80c"`
Nov 03 02:50:50.579 INFO kablam! usermod: no changes
Nov 03 02:50:50.656 INFO kablam!    Compiling ring v0.9.7
Nov 03 02:50:57.471 INFO kablam!     Checking ruma-signatures v0.4.0 (/source)
Nov 03 02:50:59.668 INFO kablam! warning: variable does not need to be mutable
Nov 03 02:50:59.669 INFO kablam!    --> src/lib.rs:196:13
Nov 03 02:50:59.669 INFO kablam!     |
Nov 03 02:50:59.669 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 03 02:50:59.669 INFO kablam!     |             ----^^^^^^
Nov 03 02:50:59.669 INFO kablam!     |             |
Nov 03 02:50:59.669 INFO kablam!     |             help: remove this `mut`
Nov 03 02:50:59.670 INFO kablam!     |
Nov 03 02:50:59.670 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 02:50:59.670 INFO kablam! 
Nov 03 02:51:00.276 INFO kablam! warning: variable does not need to be mutable
Nov 03 02:51:00.276 INFO kablam!    --> src/lib.rs:196:13
Nov 03 02:51:00.276 INFO kablam!     |
Nov 03 02:51:00.276 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 03 02:51:00.276 INFO kablam!     |             ----^^^^^^
Nov 03 02:51:00.276 INFO kablam!     |             |
Nov 03 02:51:00.276 INFO kablam!     |             help: remove this `mut`
Nov 03 02:51:00.276 INFO kablam!     |
Nov 03 02:51:00.276 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 02:51:00.276 INFO kablam! 
Nov 03 02:51:00.399 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.80s
Nov 03 02:51:00.416 INFO kablam! su: No module specific data is present
Nov 03 02:51:01.249 INFO running `"docker" "rm" "-f" "73265cd42310c56b48d12537edbcb4ff55703085a923a4c8b2cabacea7e8c80c"`
Nov 03 02:51:01.632 INFO blam! 73265cd42310c56b48d12537edbcb4ff55703085a923a4c8b2cabacea7e8c80c