Sep 17 13:16:46.324 INFO checking dahlia/gitter-slack against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 13:16:46.324 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 13:16:46.324 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 13:16:46.755 INFO blam! d0ccbe3f0017127e578e6489da4623482986ac7455178bf5fc61c6678cb8015b
Sep 17 13:16:46.757 INFO running `"docker" "start" "-a" "d0ccbe3f0017127e578e6489da4623482986ac7455178bf5fc61c6678cb8015b"`
Sep 17 13:16:48.567 INFO kablam! usermod: no changes
Sep 17 13:16:48.620 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 17 13:16:48.792 INFO kablam!    Compiling openssl v0.9.17
Sep 17 13:16:48.792 INFO kablam!     Checking serde v1.0.11
Sep 17 13:16:48.807 INFO kablam!     Checking iovec v0.1.0
Sep 17 13:16:48.835 INFO kablam!     Checking time v0.1.38
Sep 17 13:16:48.843 INFO kablam!    Compiling openssl-sys v0.9.17
Sep 17 13:16:48.843 INFO kablam!     Checking net2 v0.2.31
Sep 17 13:16:48.843 INFO kablam!     Checking futures-cpupool v0.1.5
Sep 17 13:16:48.844 INFO kablam!    Compiling serde_derive v1.0.11
Sep 17 13:16:50.747 INFO kablam!     Checking mime v0.3.3
Sep 17 13:16:50.755 INFO kablam!     Checking bytes v0.4.5
Sep 17 13:16:52.435 INFO kablam!     Checking mio v0.6.10
Sep 17 13:16:55.307 INFO kablam!     Checking tokio-io v0.1.3
Sep 17 13:16:59.401 INFO kablam!     Checking tokio-core v0.1.9
Sep 17 13:17:03.221 INFO kablam!     Checking tokio-proto v0.1.1
Sep 17 13:17:08.120 INFO kablam!     Checking native-tls v0.1.4
Sep 17 13:17:09.519 INFO kablam!     Checking tokio-tls v0.1.3
Sep 17 13:17:11.284 INFO kablam!     Checking hyper v0.11.2
Sep 17 13:17:17.701 INFO kablam!     Checking serde_json v1.0.2
Sep 17 13:17:17.708 INFO kablam!     Checking chrono v0.4.0
Sep 17 13:17:18.559 INFO kablam!     Checking hyper-tls v0.1.2
Sep 17 13:17:21.676 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Sep 17 13:17:22.807 INFO kablam! warning: variable does not need to be mutable
Sep 17 13:17:22.807 INFO kablam!    --> src/main.rs:139:17
Sep 17 13:17:22.807 INFO kablam!     |
Sep 17 13:17:22.807 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 17 13:17:22.807 INFO kablam!     |                 ----^^
Sep 17 13:17:22.807 INFO kablam!     |                 |
Sep 17 13:17:22.807 INFO kablam!     |                 help: remove this `mut`
Sep 17 13:17:22.807 INFO kablam!     |
Sep 17 13:17:22.807 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 13:17:22.807 INFO kablam! 
Sep 17 13:17:23.125 INFO kablam! warning: variable does not need to be mutable
Sep 17 13:17:23.125 INFO kablam!    --> src/main.rs:139:17
Sep 17 13:17:23.125 INFO kablam!     |
Sep 17 13:17:23.125 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 17 13:17:23.125 INFO kablam!     |                 ----^^
Sep 17 13:17:23.125 INFO kablam!     |                 |
Sep 17 13:17:23.125 INFO kablam!     |                 help: remove this `mut`
Sep 17 13:17:23.125 INFO kablam!     |
Sep 17 13:17:23.125 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 13:17:23.125 INFO kablam! 
Sep 17 13:17:23.195 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 34.61s
Sep 17 13:17:23.209 INFO kablam! su: No module specific data is present
Sep 17 13:17:24.256 INFO running `"docker" "rm" "-f" "d0ccbe3f0017127e578e6489da4623482986ac7455178bf5fc61c6678cb8015b"`
Sep 17 13:17:24.510 INFO blam! d0ccbe3f0017127e578e6489da4623482986ac7455178bf5fc61c6678cb8015b