Oct 13 09:33:39.820 INFO checking ruma-signatures-0.4.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 09:33:39.820 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 09:33:39.952 INFO blam! e2c3b94b883cd4e680bb25a91853d8dab878c28359e0029663a32d49f1b75d69
Oct 13 09:33:39.957 INFO running `"docker" "start" "-a" "e2c3b94b883cd4e680bb25a91853d8dab878c28359e0029663a32d49f1b75d69"`
Oct 13 09:33:40.370 INFO kablam! usermod: no changes
Oct 13 09:33:40.478 INFO kablam!    Compiling ring v0.9.7
Oct 13 09:33:47.407 INFO kablam!     Checking ruma-signatures v0.4.0 (/source)
Oct 13 09:33:49.276 INFO kablam! warning: variable does not need to be mutable
Oct 13 09:33:49.276 INFO kablam!    --> src/lib.rs:196:13
Oct 13 09:33:49.276 INFO kablam!     |
Oct 13 09:33:49.276 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Oct 13 09:33:49.276 INFO kablam!     |             ----^^^^^^
Oct 13 09:33:49.276 INFO kablam!     |             |
Oct 13 09:33:49.276 INFO kablam!     |             help: remove this `mut`
Oct 13 09:33:49.276 INFO kablam!     |
Oct 13 09:33:49.276 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 09:33:49.276 INFO kablam! 
Oct 13 09:33:49.705 INFO kablam! warning: variable does not need to be mutable
Oct 13 09:33:49.705 INFO kablam!    --> src/lib.rs:196:13
Oct 13 09:33:49.705 INFO kablam!     |
Oct 13 09:33:49.705 INFO kablam! 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Oct 13 09:33:49.705 INFO kablam!     |             ----^^^^^^
Oct 13 09:33:49.705 INFO kablam!     |             |
Oct 13 09:33:49.705 INFO kablam!     |             help: remove this `mut`
Oct 13 09:33:49.705 INFO kablam!     |
Oct 13 09:33:49.705 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 09:33:49.705 INFO kablam! 
Oct 13 09:33:49.828 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.43s
Oct 13 09:33:49.828 INFO kablam! su: No module specific data is present
Oct 13 09:33:50.294 INFO running `"docker" "rm" "-f" "e2c3b94b883cd4e680bb25a91853d8dab878c28359e0029663a32d49f1b75d69"`
Oct 13 09:33:50.544 INFO blam! e2c3b94b883cd4e680bb25a91853d8dab878c28359e0029663a32d49f1b75d69