Nov 28 19:08:57.647 INFO checking ruma-signatures-0.4.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 19:08:57.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 19:08:57.809 INFO [stdout] 49377f8a48d444feab94e4e03c96e04f412cc9971bdc2967df8f6183c66a5d10
Nov 28 19:08:57.811 INFO running `"docker" "start" "-a" "49377f8a48d444feab94e4e03c96e04f412cc9971bdc2967df8f6183c66a5d10"`
Nov 28 19:08:58.334 INFO [stderr] usermod: no changes
Nov 28 19:08:58.472 INFO [stderr]    Compiling rayon v0.7.1
Nov 28 19:09:01.486 INFO [stderr]    Compiling ring v0.9.7
Nov 28 19:09:08.255 INFO [stderr]     Checking ruma-signatures v0.4.0 (/source)
Nov 28 19:09:09.956 INFO [stderr] warning: variable does not need to be mutable
Nov 28 19:09:09.956 INFO [stderr]    --> src/lib.rs:196:13
Nov 28 19:09:09.956 INFO [stderr]     |
Nov 28 19:09:09.956 INFO [stderr] 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 28 19:09:09.956 INFO [stderr]     |             ----^^^^^^
Nov 28 19:09:09.956 INFO [stderr]     |             |
Nov 28 19:09:09.956 INFO [stderr]     |             help: remove this `mut`
Nov 28 19:09:09.956 INFO [stderr]     |
Nov 28 19:09:09.956 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 19:09:09.956 INFO [stderr] 
Nov 28 19:09:10.199 INFO [stderr] warning: variable does not need to be mutable
Nov 28 19:09:10.199 INFO [stderr]    --> src/lib.rs:196:13
Nov 28 19:09:10.200 INFO [stderr]     |
Nov 28 19:09:10.200 INFO [stderr] 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 28 19:09:10.200 INFO [stderr]     |             ----^^^^^^
Nov 28 19:09:10.200 INFO [stderr]     |             |
Nov 28 19:09:10.200 INFO [stderr]     |             help: remove this `mut`
Nov 28 19:09:10.200 INFO [stderr]     |
Nov 28 19:09:10.200 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 19:09:10.200 INFO [stderr] 
Nov 28 19:09:10.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
Nov 28 19:09:10.392 INFO [stderr] su: No module specific data is present
Nov 28 19:09:11.365 INFO running `"docker" "inspect" "49377f8a48d444feab94e4e03c96e04f412cc9971bdc2967df8f6183c66a5d10"`
Nov 28 19:09:11.742 INFO running `"docker" "rm" "-f" "49377f8a48d444feab94e4e03c96e04f412cc9971bdc2967df8f6183c66a5d10"`
Nov 28 19:09:12.004 INFO [stdout] 49377f8a48d444feab94e4e03c96e04f412cc9971bdc2967df8f6183c66a5d10