Sep 14 15:59:07.583 INFO checking gitter-slack-0.1.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 15:59:07.583 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 15:59:07.583 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 15:59:07.951 INFO blam! 870d546387af180b4640ba1472cf72132e0da6111e938820ea1652353eb67497
Sep 14 15:59:07.955 INFO running `"docker" "start" "-a" "870d546387af180b4640ba1472cf72132e0da6111e938820ea1652353eb67497"`
Sep 14 15:59:09.415 INFO kablam! usermod: no changes
Sep 14 15:59:09.454 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 14 15:59:09.707 INFO kablam!     Checking chrono v0.4.6
Sep 14 15:59:12.290 INFO kablam!     Checking gitter-slack v0.1.1 (file:///source)
Sep 14 15:59:15.922 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:59:15.923 INFO kablam!    --> src/main.rs:139:17
Sep 14 15:59:15.923 INFO kablam!     |
Sep 14 15:59:15.923 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 14 15:59:15.923 INFO kablam!     |                 ----^^
Sep 14 15:59:15.923 INFO kablam!     |                 |
Sep 14 15:59:15.923 INFO kablam!     |                 help: remove this `mut`
Sep 14 15:59:15.923 INFO kablam!     |
Sep 14 15:59:15.923 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 15:59:15.923 INFO kablam! 
Sep 14 15:59:16.310 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:59:16.311 INFO kablam!    --> src/main.rs:139:17
Sep 14 15:59:16.311 INFO kablam!     |
Sep 14 15:59:16.311 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 14 15:59:16.311 INFO kablam!     |                 ----^^
Sep 14 15:59:16.311 INFO kablam!     |                 |
Sep 14 15:59:16.311 INFO kablam!     |                 help: remove this `mut`
Sep 14 15:59:16.311 INFO kablam!     |
Sep 14 15:59:16.311 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 15:59:16.311 INFO kablam! 
Sep 14 15:59:16.414 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
Sep 14 15:59:16.426 INFO kablam! su: No module specific data is present
Sep 14 15:59:17.429 INFO running `"docker" "rm" "-f" "870d546387af180b4640ba1472cf72132e0da6111e938820ea1652353eb67497"`
Sep 14 15:59:17.683 INFO blam! 870d546387af180b4640ba1472cf72132e0da6111e938820ea1652353eb67497