Nov 04 08:21:24.241 INFO checking dahlia/gitter-slack against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 08:21:24.243 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 04 08:21:24.790 INFO blam! 09972b1e4c0f560a0bab66a3d5fc75b326c9b9555bd19c2ad7a69b086599134e
Nov 04 08:21:24.795 INFO running `"docker" "start" "-a" "09972b1e4c0f560a0bab66a3d5fc75b326c9b9555bd19c2ad7a69b086599134e"`
Nov 04 08:21:26.499 INFO kablam! usermod: no changes
Nov 04 08:21:26.567 INFO kablam! warning: only one of `license` or `license-file` is necessary
Nov 04 08:21:26.788 INFO kablam!     Checking chrono v0.4.0
Nov 04 08:21:26.808 INFO kablam!     Checking tokio-tls v0.1.3
Nov 04 08:21:26.809 INFO kablam!     Checking hyper v0.11.2
Nov 04 08:21:34.319 INFO kablam!     Checking hyper-tls v0.1.2
Nov 04 08:21:35.945 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Nov 04 08:21:39.423 INFO kablam! warning: variable does not need to be mutable
Nov 04 08:21:39.424 INFO kablam!    --> src/main.rs:139:17
Nov 04 08:21:39.424 INFO kablam!     |
Nov 04 08:21:39.424 INFO kablam! 139 |             let mut bf = &mut buffer;
Nov 04 08:21:39.425 INFO kablam!     |                 ----^^
Nov 04 08:21:39.425 INFO kablam!     |                 |
Nov 04 08:21:39.425 INFO kablam!     |                 help: remove this `mut`
Nov 04 08:21:39.425 INFO kablam!     |
Nov 04 08:21:39.426 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 08:21:39.426 INFO kablam! 
Nov 04 08:21:39.519 INFO kablam! warning: variable does not need to be mutable
Nov 04 08:21:39.520 INFO kablam!    --> src/main.rs:139:17
Nov 04 08:21:39.520 INFO kablam!     |
Nov 04 08:21:39.520 INFO kablam! 139 |             let mut bf = &mut buffer;
Nov 04 08:21:39.521 INFO kablam!     |                 ----^^
Nov 04 08:21:39.521 INFO kablam!     |                 |
Nov 04 08:21:39.521 INFO kablam!     |                 help: remove this `mut`
Nov 04 08:21:39.521 INFO kablam!     |
Nov 04 08:21:39.522 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 08:21:39.522 INFO kablam! 
Nov 04 08:21:39.631 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.09s
Nov 04 08:21:39.639 INFO kablam! su: No module specific data is present
Nov 04 08:21:40.263 INFO running `"docker" "rm" "-f" "09972b1e4c0f560a0bab66a3d5fc75b326c9b9555bd19c2ad7a69b086599134e"`
Nov 04 08:21:40.568 INFO blam! 09972b1e4c0f560a0bab66a3d5fc75b326c9b9555bd19c2ad7a69b086599134e