Aug 29 17:58:50.588 INFO checking muktakosh/unicorn against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 29 17:58:50.588 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 29 17:58:50.588 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 17:58:50.814 INFO blam! f767e75c9e5b66d3faa97025fb5c67b2e71c9910edac2fed95538aed6ef4243f
Aug 29 17:58:50.817 INFO running `"docker" "start" "-a" "f767e75c9e5b66d3faa97025fb5c67b2e71c9910edac2fed95538aed6ef4243f"`
Aug 29 17:58:51.762 INFO kablam!    Compiling winapi v0.2.8
Aug 29 17:58:51.762 INFO kablam!    Compiling quote v0.3.10
Aug 29 17:58:51.764 INFO kablam!     Checking unicode-normalization v0.1.3
Aug 29 17:58:51.765 INFO kablam!     Checking serde v0.8.21
Aug 29 17:58:51.765 INFO kablam!     Checking itoa v0.1.1
Aug 29 17:58:51.766 INFO kablam!    Compiling syntex_pos v0.52.0
Aug 29 17:58:51.766 INFO kablam!     Checking unicode-bidi v0.2.4
Aug 29 17:58:51.766 INFO kablam!     Checking net2 v0.2.26
Aug 29 17:58:52.707 INFO kablam!     Checking nix v0.5.1
Aug 29 17:58:53.507 INFO kablam!    Compiling kernel32-sys v0.2.2
Aug 29 17:58:54.041 INFO kablam!    Compiling term v0.4.4
Aug 29 17:58:54.439 INFO kablam!     Checking miow v0.1.5
Aug 29 17:58:56.922 INFO kablam!    Compiling syn v0.10.5
Aug 29 17:59:00.423 INFO kablam!     Checking idna v0.1.0
Aug 29 17:59:05.829 INFO kablam!    Compiling syntex_errors v0.52.0
Aug 29 17:59:09.482 INFO kablam!     Checking url v1.2.4
Aug 29 17:59:11.678 INFO kablam!     Checking mio v0.5.1
Aug 29 17:59:20.905 INFO kablam!     Checking ws v0.5.3
Aug 29 17:59:21.445 INFO kablam!    Compiling syntex_syntax v0.52.0
Aug 29 17:59:21.487 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Aug 29 17:59:24.738 INFO kablam!     Checking serde_json v0.8.4
Aug 29 18:00:21.319 INFO kablam!    Compiling syntex v0.52.0
Aug 29 18:00:23.296 INFO kablam!    Compiling serde_codegen v0.8.21
Aug 29 18:00:31.981 INFO kablam!    Compiling libunicorn v0.0.1 (file:///source)
Aug 29 18:00:36.840 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:00:36.840 INFO kablam!   --> src/router.rs:80:21
Aug 29 18:00:36.840 INFO kablam!    |
Aug 29 18:00:36.840 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Aug 29 18:00:36.840 INFO kablam!    |                     ----^
Aug 29 18:00:36.840 INFO kablam!    |                     |
Aug 29 18:00:36.841 INFO kablam!    |                     help: remove this `mut`
Aug 29 18:00:36.841 INFO kablam!    |
Aug 29 18:00:36.841 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 18:00:36.841 INFO kablam! 
Aug 29 18:00:36.933 INFO kablam! warning: variable does not need to be mutable
Aug 29 18:00:36.933 INFO kablam!   --> src/router.rs:80:21
Aug 29 18:00:36.933 INFO kablam!    |
Aug 29 18:00:36.933 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Aug 29 18:00:36.933 INFO kablam!    |                     ----^
Aug 29 18:00:36.933 INFO kablam!    |                     |
Aug 29 18:00:36.933 INFO kablam!    |                     help: remove this `mut`
Aug 29 18:00:36.933 INFO kablam!    |
Aug 29 18:00:36.933 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 18:00:36.933 INFO kablam! 
Aug 29 18:00:37.935 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
Aug 29 18:00:37.948 INFO kablam! su: No module specific data is present
Aug 29 18:00:38.419 INFO running `"docker" "rm" "-f" "f767e75c9e5b66d3faa97025fb5c67b2e71c9910edac2fed95538aed6ef4243f"`
Aug 29 18:00:38.551 INFO blam! f767e75c9e5b66d3faa97025fb5c67b2e71c9910edac2fed95538aed6ef4243f