Sep 02 00:08:06.171 INFO checking config-0.9.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 02 00:08:06.171 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 00:08:06.171 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 00:08:06.419 INFO blam! 1ef6a81d9aa0d6619cb7c44f31c9c8ac9854f1f589bdbba644af5d79192a831e
Sep 02 00:08:06.421 INFO running `"docker" "start" "-a" "1ef6a81d9aa0d6619cb7c44f31c9c8ac9854f1f589bdbba644af5d79192a831e"`
Sep 02 00:08:07.196 INFO kablam!     Checking config v0.9.0 (file:///source)
Sep 02 00:08:23.894 INFO kablam! warning: variable does not need to be mutable
Sep 02 00:08:23.895 INFO kablam!   --> tests/env.rs:57:9
Sep 02 00:08:23.895 INFO kablam!    |
Sep 02 00:08:23.895 INFO kablam! 57 |     let mut environment = Environment::with_prefix("C").separator("_");
Sep 02 00:08:23.895 INFO kablam!    |         ----^^^^^^^^^^^
Sep 02 00:08:23.895 INFO kablam!    |         |
Sep 02 00:08:23.895 INFO kablam!    |         help: remove this `mut`
Sep 02 00:08:23.924 INFO kablam!    |
Sep 02 00:08:23.925 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 00:08:23.928 INFO kablam! 
Sep 02 00:08:31.171 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.10s
Sep 02 00:08:31.189 INFO kablam! su: No module specific data is present
Sep 02 00:08:31.647 INFO running `"docker" "rm" "-f" "1ef6a81d9aa0d6619cb7c44f31c9c8ac9854f1f589bdbba644af5d79192a831e"`
Sep 02 00:08:31.738 INFO blam! 1ef6a81d9aa0d6619cb7c44f31c9c8ac9854f1f589bdbba644af5d79192a831e