Aug 29 18:49:48.207 INFO checking dahlia/gitter-slack against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 29 18:49:48.207 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 29 18:49:48.207 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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=500" "-e" "CMD=cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 18:49:48.474 INFO blam! 85f396bc769fb3f9b5abf7c4218da54966f45e72e4bbbf5848eb540bdc24988e
Aug 29 18:49:48.476 INFO running `"docker" "start" "-a" "85f396bc769fb3f9b5abf7c4218da54966f45e72e4bbbf5848eb540bdc24988e"`
Aug 29 18:49:49.407 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 29 18:49:49.621 INFO kablam!     Checking serde v1.0.11
Aug 29 18:49:49.626 INFO kablam!     Checking iovec v0.1.0
Aug 29 18:49:49.638 INFO kablam!     Checking num_cpus v1.6.2
Aug 29 18:49:49.658 INFO kablam!     Checking time v0.1.38
Aug 29 18:49:49.681 INFO kablam!     Checking net2 v0.2.31
Aug 29 18:49:49.691 INFO kablam!     Checking openssl-sys v0.9.17
Aug 29 18:49:49.692 INFO kablam!    Compiling serde_derive v1.0.11
Aug 29 18:49:50.820 INFO kablam!     Checking bytes v0.4.5
Aug 29 18:49:51.223 INFO kablam!     Checking futures-cpupool v0.1.5
Aug 29 18:49:52.941 INFO kablam!     Checking mio v0.6.10
Aug 29 18:49:53.621 INFO kablam!     Checking openssl v0.9.17
Aug 29 18:49:54.778 INFO kablam!     Checking tokio-io v0.1.3
Aug 29 18:49:58.743 INFO kablam!     Checking tokio-core v0.1.9
Aug 29 18:50:03.148 INFO kablam!     Checking tokio-proto v0.1.1
Aug 29 18:50:06.298 INFO kablam!     Checking native-tls v0.1.4
Aug 29 18:50:08.050 INFO kablam!     Checking tokio-tls v0.1.3
Aug 29 18:50:10.033 INFO kablam!     Checking hyper v0.11.2
Aug 29 18:50:15.835 INFO kablam!     Checking serde_json v1.0.2
Aug 29 18:50:15.836 INFO kablam!     Checking chrono v0.4.0
Aug 29 18:50:21.175 INFO kablam!     Checking hyper-tls v0.1.2
Aug 29 18:50:22.511 INFO kablam!     Checking gitter-slack v0.1.1 (file:///source)
Aug 29 18:50:24.559 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:50:24.559 INFO kablam!    --> src/main.rs:139:17
Aug 29 18:50:24.559 INFO kablam!     |
Aug 29 18:50:24.559 INFO kablam! 139 |             let mut bf = &mut buffer;
Aug 29 18:50:24.559 INFO kablam!     |                 ----^^
Aug 29 18:50:24.559 INFO kablam!     |                 |
Aug 29 18:50:24.559 INFO kablam!     |                 help: remove this `mut`
Aug 29 18:50:24.559 INFO kablam!     |
Aug 29 18:50:24.559 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 29 18:50:24.559 INFO kablam! 
Aug 29 18:50:24.700 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:50:24.700 INFO kablam!    --> src/main.rs:139:17
Aug 29 18:50:24.700 INFO kablam!     |
Aug 29 18:50:24.700 INFO kablam! 139 |             let mut bf = &mut buffer;
Aug 29 18:50:24.700 INFO kablam!     |                 ----^^
Aug 29 18:50:24.700 INFO kablam!     |                 |
Aug 29 18:50:24.700 INFO kablam!     |                 help: remove this `mut`
Aug 29 18:50:24.700 INFO kablam!     |
Aug 29 18:50:24.701 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 29 18:50:24.701 INFO kablam! 
Aug 29 18:50:24.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 35.42s
Aug 29 18:50:24.825 INFO kablam! su: No module specific data is present
Aug 29 18:50:25.255 INFO running `"docker" "rm" "-f" "85f396bc769fb3f9b5abf7c4218da54966f45e72e4bbbf5848eb540bdc24988e"`
Aug 29 18:50:25.411 INFO blam! 85f396bc769fb3f9b5abf7c4218da54966f45e72e4bbbf5848eb540bdc24988e