Sep 14 15:59:09.085 INFO checking gitter-slack-0.1.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 15:59:09.085 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 15:59:09.085 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 15:59:09.494 INFO blam! 14b881f807d7ba3e583505bf7487b5d8966855dbe133b69eb96db6677ee019dd
Sep 14 15:59:09.500 INFO running `"docker" "start" "-a" "14b881f807d7ba3e583505bf7487b5d8966855dbe133b69eb96db6677ee019dd"`
Sep 14 15:59:10.914 INFO kablam! usermod: no changes
Sep 14 15:59:10.959 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 14 15:59:11.238 INFO kablam!     Checking chrono v0.4.6
Sep 14 15:59:13.624 INFO kablam!     Checking gitter-slack v0.1.1 (file:///source)
Sep 14 15:59:17.791 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:59:17.791 INFO kablam!    --> src/main.rs:139:17
Sep 14 15:59:17.791 INFO kablam!     |
Sep 14 15:59:17.791 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 14 15:59:17.791 INFO kablam!     |                 ----^^
Sep 14 15:59:17.791 INFO kablam!     |                 |
Sep 14 15:59:17.791 INFO kablam!     |                 help: remove this `mut`
Sep 14 15:59:17.791 INFO kablam!     |
Sep 14 15:59:17.791 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 15:59:17.791 INFO kablam! 
Sep 14 15:59:17.791 INFO kablam! warning: variable does not need to be mutable
Sep 14 15:59:17.791 INFO kablam!    --> src/main.rs:139:17
Sep 14 15:59:17.791 INFO kablam!     |
Sep 14 15:59:17.791 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 14 15:59:17.791 INFO kablam!     |                 ----^^
Sep 14 15:59:17.791 INFO kablam!     |                 |
Sep 14 15:59:17.791 INFO kablam!     |                 help: remove this `mut`
Sep 14 15:59:17.791 INFO kablam!     |
Sep 14 15:59:17.791 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 15:59:17.791 INFO kablam! 
Sep 14 15:59:17.874 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
Sep 14 15:59:17.893 INFO kablam! su: No module specific data is present
Sep 14 15:59:18.579 INFO running `"docker" "rm" "-f" "14b881f807d7ba3e583505bf7487b5d8966855dbe133b69eb96db6677ee019dd"`
Sep 14 15:59:18.678 INFO blam! 14b881f807d7ba3e583505bf7487b5d8966855dbe133b69eb96db6677ee019dd