Sep 01 07:37:31.626 INFO checking config-0.9.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 07:37:31.626 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 07:37:31.627 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:37:31.819 INFO blam! 2c7183769b3959aad51402c4709b9ebc10bfc9b0e65487a5a04a86d58bb50f18
Sep 01 07:37:31.823 INFO running `"docker" "start" "-a" "2c7183769b3959aad51402c4709b9ebc10bfc9b0e65487a5a04a86d58bb50f18"`
Sep 01 07:37:32.696 INFO kablam!     Checking config v0.9.0 (file:///source)
Sep 01 07:37:48.858 INFO kablam! warning: variable does not need to be mutable
Sep 01 07:37:48.859 INFO kablam!   --> tests/env.rs:57:9
Sep 01 07:37:48.859 INFO kablam!    |
Sep 01 07:37:48.859 INFO kablam! 57 |     let mut environment = Environment::with_prefix("C").separator("_");
Sep 01 07:37:48.859 INFO kablam!    |         ----^^^^^^^^^^^
Sep 01 07:37:48.859 INFO kablam!    |         |
Sep 01 07:37:48.859 INFO kablam!    |         help: remove this `mut`
Sep 01 07:37:48.874 INFO kablam!    |
Sep 01 07:37:48.875 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 07:37:48.875 INFO kablam! 
Sep 01 07:37:55.851 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.30s
Sep 01 07:37:55.872 INFO kablam! su: No module specific data is present
Sep 01 07:37:56.354 INFO running `"docker" "rm" "-f" "2c7183769b3959aad51402c4709b9ebc10bfc9b0e65487a5a04a86d58bb50f18"`
Sep 01 07:37:56.444 INFO blam! 2c7183769b3959aad51402c4709b9ebc10bfc9b0e65487a5a04a86d58bb50f18