Aug 31 21:22:51.764 INFO checking muktakosh/unicorn against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Aug 31 21:22:51.764 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Aug 31 21:22:51.764 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 21:22:52.019 INFO blam! 8e074386492c50f93c8123052fd76ffe530b8b94b8b3f927a62f4023a4629c11
Aug 31 21:22:52.021 INFO running `"docker" "start" "-a" "8e074386492c50f93c8123052fd76ffe530b8b94b8b3f927a62f4023a4629c11"`
Aug 31 21:22:53.033 INFO kablam!    Compiling rustc-serialize v0.3.22
Aug 31 21:22:53.037 INFO kablam!     Checking unicode-normalization v0.1.3
Aug 31 21:22:53.041 INFO kablam!     Checking serde v0.8.21
Aug 31 21:22:53.041 INFO kablam!    Compiling syn v0.10.5
Aug 31 21:22:53.041 INFO kablam!     Checking net2 v0.2.26
Aug 31 21:22:53.042 INFO kablam!     Checking unicode-bidi v0.2.4
Aug 31 21:22:53.058 INFO kablam!     Checking nix v0.5.1
Aug 31 21:22:53.065 INFO kablam!    Compiling term v0.4.4
Aug 31 21:22:56.136 INFO kablam!     Checking miow v0.1.5
Aug 31 21:23:03.706 INFO kablam!     Checking idna v0.1.0
Aug 31 21:23:11.717 INFO kablam!     Checking url v1.2.4
Aug 31 21:23:14.471 INFO kablam!     Checking mio v0.5.1
Aug 31 21:23:18.281 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Aug 31 21:23:20.856 INFO kablam!     Checking ws v0.5.3
Aug 31 21:23:25.495 INFO kablam!     Checking serde_json v0.8.4
Aug 31 21:23:28.141 INFO kablam!    Compiling syntex_pos v0.52.0
Aug 31 21:23:30.601 INFO kablam!    Compiling syntex_errors v0.52.0
Aug 31 21:23:35.282 INFO kablam!    Compiling syntex_syntax v0.52.0
Aug 31 21:24:28.971 INFO kablam!    Compiling syntex v0.52.0
Aug 31 21:24:30.010 INFO kablam!    Compiling serde_codegen v0.8.21
Aug 31 21:24:35.926 INFO kablam!    Compiling libunicorn v0.0.1 (file:///source)
Aug 31 21:24:40.889 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:24:40.889 INFO kablam!   --> src/router.rs:80:21
Aug 31 21:24:40.889 INFO kablam!    |
Aug 31 21:24:40.889 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Aug 31 21:24:40.889 INFO kablam!    |                     ----^
Aug 31 21:24:40.889 INFO kablam!    |                     |
Aug 31 21:24:40.889 INFO kablam!    |                     help: remove this `mut`
Aug 31 21:24:40.889 INFO kablam!    |
Aug 31 21:24:40.889 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 21:24:40.889 INFO kablam! 
Aug 31 21:24:40.955 INFO kablam! warning: variable does not need to be mutable
Aug 31 21:24:40.955 INFO kablam!   --> src/router.rs:80:21
Aug 31 21:24:40.955 INFO kablam!    |
Aug 31 21:24:40.955 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Aug 31 21:24:40.955 INFO kablam!    |                     ----^
Aug 31 21:24:40.956 INFO kablam!    |                     |
Aug 31 21:24:40.956 INFO kablam!    |                     help: remove this `mut`
Aug 31 21:24:40.956 INFO kablam!    |
Aug 31 21:24:40.956 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 21:24:40.956 INFO kablam! 
Aug 31 21:24:42.204 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
Aug 31 21:24:42.220 INFO kablam! su: No module specific data is present
Aug 31 21:24:42.763 INFO running `"docker" "rm" "-f" "8e074386492c50f93c8123052fd76ffe530b8b94b8b3f927a62f4023a4629c11"`
Aug 31 21:24:42.897 INFO blam! 8e074386492c50f93c8123052fd76ffe530b8b94b8b3f927a62f4023a4629c11