Sep 19 16:13:33.727 INFO checking dahlia/gitter-slack against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 16:13:33.727 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 16:13:33.727 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:13:33.954 INFO blam! c9d20301fcb7aecd953db8c85f498215b8002d882735c386130de69d37e46e78
Sep 19 16:13:33.956 INFO running `"docker" "start" "-a" "c9d20301fcb7aecd953db8c85f498215b8002d882735c386130de69d37e46e78"`
Sep 19 16:13:35.689 INFO kablam! usermod: no changes
Sep 19 16:13:35.745 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 19 16:13:35.884 INFO kablam!    Compiling openssl v0.9.17
Sep 19 16:13:35.894 INFO kablam!     Checking serde v1.0.11
Sep 19 16:13:35.894 INFO kablam!     Checking iovec v0.1.0
Sep 19 16:13:35.898 INFO kablam!     Checking rand v0.3.16
Sep 19 16:13:35.898 INFO kablam!     Checking num_cpus v1.6.2
Sep 19 16:13:35.898 INFO kablam!    Compiling openssl-sys v0.9.17
Sep 19 16:13:35.898 INFO kablam!     Checking net2 v0.2.31
Sep 19 16:13:35.899 INFO kablam!    Compiling serde_derive v1.0.11
Sep 19 16:13:37.753 INFO kablam!     Checking mime v0.3.3
Sep 19 16:13:37.763 INFO kablam!     Checking futures-cpupool v0.1.5
Sep 19 16:13:38.906 INFO kablam!     Checking bytes v0.4.5
Sep 19 16:13:39.563 INFO kablam!     Checking mio v0.6.10
Sep 19 16:13:44.171 INFO kablam!     Checking tokio-io v0.1.3
Sep 19 16:13:47.978 INFO kablam!     Checking tokio-core v0.1.9
Sep 19 16:13:52.319 INFO kablam!     Checking tokio-proto v0.1.1
Sep 19 16:13:58.234 INFO kablam!     Checking native-tls v0.1.4
Sep 19 16:13:59.239 INFO kablam!     Checking tokio-tls v0.1.3
Sep 19 16:14:00.021 INFO kablam!     Checking hyper v0.11.2
Sep 19 16:14:05.199 INFO kablam!     Checking serde_json v1.0.2
Sep 19 16:14:05.199 INFO kablam!     Checking chrono v0.4.0
Sep 19 16:14:06.459 INFO kablam!     Checking hyper-tls v0.1.2
Sep 19 16:14:09.554 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Sep 19 16:14:11.058 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:14:11.058 INFO kablam!    --> src/main.rs:139:17
Sep 19 16:14:11.058 INFO kablam!     |
Sep 19 16:14:11.059 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 19 16:14:11.059 INFO kablam!     |                 ----^^
Sep 19 16:14:11.059 INFO kablam!     |                 |
Sep 19 16:14:11.059 INFO kablam!     |                 help: remove this `mut`
Sep 19 16:14:11.059 INFO kablam!     |
Sep 19 16:14:11.060 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 16:14:11.060 INFO kablam! 
Sep 19 16:14:11.123 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:14:11.124 INFO kablam!    --> src/main.rs:139:17
Sep 19 16:14:11.124 INFO kablam!     |
Sep 19 16:14:11.124 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 19 16:14:11.124 INFO kablam!     |                 ----^^
Sep 19 16:14:11.124 INFO kablam!     |                 |
Sep 19 16:14:11.124 INFO kablam!     |                 help: remove this `mut`
Sep 19 16:14:11.124 INFO kablam!     |
Sep 19 16:14:11.125 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 16:14:11.125 INFO kablam! 
Sep 19 16:14:11.223 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 35.51s
Sep 19 16:14:11.233 INFO kablam! su: No module specific data is present
Sep 19 16:14:12.818 INFO running `"docker" "rm" "-f" "c9d20301fcb7aecd953db8c85f498215b8002d882735c386130de69d37e46e78"`
Sep 19 16:14:12.921 INFO blam! c9d20301fcb7aecd953db8c85f498215b8002d882735c386130de69d37e46e78