Aug 18 01:21:28.676 INFO checking config-0.9.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 18 01:21:28.676 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 01:21:28.676 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 01:21:28.676 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 01:21:28.895 INFO blam! c309416b9b2a23a1f3cab3646f402006f263df929378ba11aa8f4247f161210d
Aug 18 01:21:28.897 INFO running `"docker" "start" "-a" "c309416b9b2a23a1f3cab3646f402006f263df929378ba11aa8f4247f161210d"`
Aug 18 01:21:30.232 INFO kablam!     Checking config v0.9.0 (file:///source)
Aug 18 01:21:51.518 INFO kablam! warning: variable does not need to be mutable
Aug 18 01:21:51.518 INFO kablam!   --> tests/env.rs:57:9
Aug 18 01:21:51.518 INFO kablam!    |
Aug 18 01:21:51.518 INFO kablam! 57 |     let mut environment = Environment::with_prefix("C").separator("_");
Aug 18 01:21:51.518 INFO kablam!    |         ----^^^^^^^^^^^
Aug 18 01:21:51.518 INFO kablam!    |         |
Aug 18 01:21:51.518 INFO kablam!    |         help: remove this `mut`
Aug 18 01:21:51.518 INFO kablam!    |
Aug 18 01:21:51.518 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 18 01:21:51.519 INFO kablam! 
Aug 18 01:21:57.169 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.12s
Aug 18 01:21:57.189 INFO kablam! su: No module specific data is present
Aug 18 01:21:57.797 INFO running `"docker" "rm" "-f" "c309416b9b2a23a1f3cab3646f402006f263df929378ba11aa8f4247f161210d"`
Aug 18 01:21:57.901 INFO blam! c309416b9b2a23a1f3cab3646f402006f263df929378ba11aa8f4247f161210d