Sep 21 09:51:36.326 INFO checking gitter-slack-0.1.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 09:51:36.326 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 09:51:36.326 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/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 09:51:36.497 INFO blam! c9cb389099c61d5a4d58f33decf4bd23fe722d4fc0654b233fd792c8cfe166e2
Sep 21 09:51:36.498 INFO running `"docker" "start" "-a" "c9cb389099c61d5a4d58f33decf4bd23fe722d4fc0654b233fd792c8cfe166e2"`
Sep 21 09:51:37.211 INFO kablam! usermod: no changes
Sep 21 09:51:37.249 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 21 09:51:37.547 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Sep 21 09:51:41.818 INFO kablam! warning: variable does not need to be mutable
Sep 21 09:51:41.818 INFO kablam!    --> src/main.rs:139:17
Sep 21 09:51:41.818 INFO kablam!     |
Sep 21 09:51:41.818 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 21 09:51:41.818 INFO kablam!     |                 ----^^
Sep 21 09:51:41.818 INFO kablam!     |                 |
Sep 21 09:51:41.818 INFO kablam!     |                 help: remove this `mut`
Sep 21 09:51:41.818 INFO kablam!     |
Sep 21 09:51:41.818 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 09:51:41.818 INFO kablam! 
Sep 21 09:51:42.028 INFO kablam! warning: variable does not need to be mutable
Sep 21 09:51:42.028 INFO kablam!    --> src/main.rs:139:17
Sep 21 09:51:42.028 INFO kablam!     |
Sep 21 09:51:42.028 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 21 09:51:42.028 INFO kablam!     |                 ----^^
Sep 21 09:51:42.028 INFO kablam!     |                 |
Sep 21 09:51:42.028 INFO kablam!     |                 help: remove this `mut`
Sep 21 09:51:42.028 INFO kablam!     |
Sep 21 09:51:42.028 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 09:51:42.028 INFO kablam! 
Sep 21 09:51:42.101 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
Sep 21 09:51:42.113 INFO kablam! su: No module specific data is present
Sep 21 09:51:42.910 INFO running `"docker" "rm" "-f" "c9cb389099c61d5a4d58f33decf4bd23fe722d4fc0654b233fd792c8cfe166e2"`
Sep 21 09:51:43.045 INFO blam! c9cb389099c61d5a4d58f33decf4bd23fe722d4fc0654b233fd792c8cfe166e2