Sep 20 02:56:51.940 INFO checking gitter-slack-0.1.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 02:56:51.940 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 02:56:51.940 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 02:56:52.208 INFO blam! 790410c8f0788abbe3722ddd5f4d4eee2672125a1e0b3caf060cbd448911069f
Sep 20 02:56:52.210 INFO running `"docker" "start" "-a" "790410c8f0788abbe3722ddd5f4d4eee2672125a1e0b3caf060cbd448911069f"`
Sep 20 02:56:53.335 INFO kablam! usermod: no changes
Sep 20 02:56:53.378 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 20 02:56:53.584 INFO kablam!     Checking chrono v0.4.6
Sep 20 02:56:56.154 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Sep 20 02:56:59.842 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:56:59.842 INFO kablam!    --> src/main.rs:139:17
Sep 20 02:56:59.842 INFO kablam!     |
Sep 20 02:56:59.842 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 20 02:56:59.842 INFO kablam!     |                 ----^^
Sep 20 02:56:59.842 INFO kablam!     |                 |
Sep 20 02:56:59.842 INFO kablam!     |                 help: remove this `mut`
Sep 20 02:56:59.842 INFO kablam!     |
Sep 20 02:56:59.842 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 02:56:59.842 INFO kablam! 
Sep 20 02:56:59.876 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:56:59.876 INFO kablam!    --> src/main.rs:139:17
Sep 20 02:56:59.877 INFO kablam!     |
Sep 20 02:56:59.877 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 20 02:56:59.877 INFO kablam!     |                 ----^^
Sep 20 02:56:59.877 INFO kablam!     |                 |
Sep 20 02:56:59.877 INFO kablam!     |                 help: remove this `mut`
Sep 20 02:56:59.877 INFO kablam!     |
Sep 20 02:56:59.877 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 02:56:59.877 INFO kablam! 
Sep 20 02:56:59.936 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
Sep 20 02:56:59.944 INFO kablam! su: No module specific data is present
Sep 20 02:57:00.695 INFO running `"docker" "rm" "-f" "790410c8f0788abbe3722ddd5f4d4eee2672125a1e0b3caf060cbd448911069f"`
Sep 20 02:57:00.788 INFO blam! 790410c8f0788abbe3722ddd5f4d4eee2672125a1e0b3caf060cbd448911069f