Aug 29 16:40:35.213 INFO checking muktakosh/unicorn against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 29 16:40:35.213 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 29 16:40:35.213 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 16:40:35.479 INFO blam! 61b65196e67862dc8140e8a258c684b944297b2a42b005535dc2bb15341c9161
Aug 29 16:40:35.481 INFO running `"docker" "start" "-a" "61b65196e67862dc8140e8a258c684b944297b2a42b005535dc2bb15341c9161"`
Aug 29 16:40:36.512 INFO kablam!    Compiling winapi v0.2.8
Aug 29 16:40:36.518 INFO kablam!     Checking unicode-normalization v0.1.3
Aug 29 16:40:36.527 INFO kablam!     Checking serde v0.8.21
Aug 29 16:40:36.533 INFO kablam!    Compiling syntex_pos v0.52.0
Aug 29 16:40:36.533 INFO kablam!    Compiling syn v0.10.5
Aug 29 16:40:36.533 INFO kablam!     Checking unicode-bidi v0.2.4
Aug 29 16:40:36.536 INFO kablam!     Checking net2 v0.2.26
Aug 29 16:40:36.549 INFO kablam!     Checking rand v0.3.15
Aug 29 16:40:39.363 INFO kablam!     Checking nix v0.5.1
Aug 29 16:40:40.095 INFO kablam!     Checking clap v2.19.2
Aug 29 16:40:40.615 INFO kablam!    Compiling kernel32-sys v0.2.2
Aug 29 16:40:41.666 INFO kablam!    Compiling term v0.4.4
Aug 29 16:40:48.070 INFO kablam!     Checking miow v0.1.5
Aug 29 16:40:48.208 INFO kablam!     Checking idna v0.1.0
Aug 29 16:40:56.987 INFO kablam!    Compiling syntex_errors v0.52.0
Aug 29 16:41:01.064 INFO kablam!     Checking url v1.2.4
Aug 29 16:41:08.113 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Aug 29 16:41:09.011 INFO kablam!     Checking mio v0.5.1
Aug 29 16:41:16.327 INFO kablam!    Compiling syntex_syntax v0.52.0
Aug 29 16:41:17.587 INFO kablam!     Checking ws v0.5.3
Aug 29 16:41:19.815 INFO kablam!     Checking serde_json v0.8.4
Aug 29 16:42:23.373 INFO kablam!    Compiling syntex v0.52.0
Aug 29 16:42:25.216 INFO kablam!    Compiling serde_codegen v0.8.21
Aug 29 16:42:32.751 INFO kablam!    Compiling libunicorn v0.0.1 (file:///source)
Aug 29 16:42:38.511 INFO kablam! warning: variable does not need to be mutable
Aug 29 16:42:38.511 INFO kablam!   --> src/router.rs:80:21
Aug 29 16:42:38.511 INFO kablam!    |
Aug 29 16:42:38.511 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Aug 29 16:42:38.511 INFO kablam!    |                     ----^
Aug 29 16:42:38.511 INFO kablam!    |                     |
Aug 29 16:42:38.511 INFO kablam!    |                     help: remove this `mut`
Aug 29 16:42:38.511 INFO kablam!    |
Aug 29 16:42:38.511 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 16:42:38.511 INFO kablam! 
Aug 29 16:42:38.762 INFO kablam! warning: variable does not need to be mutable
Aug 29 16:42:38.762 INFO kablam!   --> src/router.rs:80:21
Aug 29 16:42:38.762 INFO kablam!    |
Aug 29 16:42:38.762 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Aug 29 16:42:38.763 INFO kablam!    |                     ----^
Aug 29 16:42:38.763 INFO kablam!    |                     |
Aug 29 16:42:38.763 INFO kablam!    |                     help: remove this `mut`
Aug 29 16:42:38.763 INFO kablam!    |
Aug 29 16:42:38.763 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 16:42:38.763 INFO kablam! 
Aug 29 16:42:39.838 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
Aug 29 16:42:39.853 INFO kablam! su: No module specific data is present
Aug 29 16:42:40.361 INFO running `"docker" "rm" "-f" "61b65196e67862dc8140e8a258c684b944297b2a42b005535dc2bb15341c9161"`
Aug 29 16:42:40.469 INFO blam! 61b65196e67862dc8140e8a258c684b944297b2a42b005535dc2bb15341c9161