Sep 21 11:59:51.464 INFO checking config-0.9.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 11:59:51.464 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 11:59:51.464 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 11:59:51.602 INFO blam! 246433f2f70d844668466799cdc7ca386ca915c6ba2736a72c41207f4b7df649
Sep 21 11:59:51.608 INFO running `"docker" "start" "-a" "246433f2f70d844668466799cdc7ca386ca915c6ba2736a72c41207f4b7df649"`
Sep 21 11:59:52.337 INFO kablam! usermod: no changes
Sep 21 11:59:52.432 INFO kablam!     Checking config v0.9.0 (/source)
Sep 21 11:59:58.206 INFO kablam! warning: variable does not need to be mutable
Sep 21 11:59:58.206 INFO kablam!   --> tests/env.rs:57:9
Sep 21 11:59:58.206 INFO kablam!    |
Sep 21 11:59:58.206 INFO kablam! 57 |     let mut environment = Environment::with_prefix("C").separator("_");
Sep 21 11:59:58.206 INFO kablam!    |         ----^^^^^^^^^^^
Sep 21 11:59:58.206 INFO kablam!    |         |
Sep 21 11:59:58.206 INFO kablam!    |         help: remove this `mut`
Sep 21 11:59:58.206 INFO kablam!    |
Sep 21 11:59:58.206 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 11:59:58.206 INFO kablam! 
Sep 21 12:00:02.238 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.88s
Sep 21 12:00:02.262 INFO kablam! su: No module specific data is present
Sep 21 12:00:02.911 INFO running `"docker" "rm" "-f" "246433f2f70d844668466799cdc7ca386ca915c6ba2736a72c41207f4b7df649"`
Sep 21 12:00:03.060 INFO blam! 246433f2f70d844668466799cdc7ca386ca915c6ba2736a72c41207f4b7df649