Sep 03 21:13:56.616 INFO checking muktakosh/unicorn against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 21:13:56.617 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 21:13:56.617 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 21:13:56.902 INFO blam! ea78d02da1dad6bbc574d33afaf9b2191356e5a82ab928b16ecb5e8b62681be3
Sep 03 21:13:56.904 INFO running `"docker" "start" "-a" "ea78d02da1dad6bbc574d33afaf9b2191356e5a82ab928b16ecb5e8b62681be3"`
Sep 03 21:13:57.984 INFO kablam!    Compiling rustc-serialize v0.3.22
Sep 03 21:13:57.988 INFO kablam!    Compiling libc v0.2.18
Sep 03 21:13:57.989 INFO kablam!    Compiling quote v0.3.10
Sep 03 21:13:57.992 INFO kablam!     Checking unicode-normalization v0.1.3
Sep 03 21:13:57.993 INFO kablam!     Checking serde v0.8.21
Sep 03 21:13:57.993 INFO kablam!     Checking itoa v0.1.1
Sep 03 21:13:57.994 INFO kablam!     Checking unicode-bidi v0.2.4
Sep 03 21:13:57.994 INFO kablam!     Checking net2 v0.2.26
Sep 03 21:13:59.897 INFO kablam!     Checking nix v0.5.1
Sep 03 21:14:00.914 INFO kablam!     Checking clap v2.19.2
Sep 03 21:14:02.110 INFO kablam!    Compiling term v0.4.4
Sep 03 21:14:04.933 INFO kablam!     Checking miow v0.1.5
Sep 03 21:14:04.997 INFO kablam!    Compiling syn v0.10.5
Sep 03 21:14:07.974 INFO kablam!     Checking idna v0.1.0
Sep 03 21:14:19.243 INFO kablam!     Checking url v1.2.4
Sep 03 21:14:27.953 INFO kablam!     Checking mio v0.5.1
Sep 03 21:14:30.478 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Sep 03 21:14:34.286 INFO kablam!     Checking ws v0.5.3
Sep 03 21:14:36.942 INFO kablam!    Compiling syntex_pos v0.52.0
Sep 03 21:14:37.377 INFO kablam!     Checking serde_json v0.8.4
Sep 03 21:14:39.931 INFO kablam!    Compiling syntex_errors v0.52.0
Sep 03 21:14:44.714 INFO kablam!    Compiling syntex_syntax v0.52.0
Sep 03 21:15:35.923 INFO kablam!    Compiling syntex v0.52.0
Sep 03 21:15:36.943 INFO kablam!    Compiling serde_codegen v0.8.21
Sep 03 21:15:43.124 INFO kablam!    Compiling libunicorn v0.0.1 (file:///source)
Sep 03 21:15:48.372 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:15:48.372 INFO kablam!   --> src/router.rs:80:21
Sep 03 21:15:48.373 INFO kablam!    |
Sep 03 21:15:48.373 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Sep 03 21:15:48.373 INFO kablam!    |                     ----^
Sep 03 21:15:48.373 INFO kablam!    |                     |
Sep 03 21:15:48.373 INFO kablam!    |                     help: remove this `mut`
Sep 03 21:15:48.373 INFO kablam!    |
Sep 03 21:15:48.373 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 21:15:48.373 INFO kablam! 
Sep 03 21:15:48.406 INFO kablam! warning: variable does not need to be mutable
Sep 03 21:15:48.406 INFO kablam!   --> src/router.rs:80:21
Sep 03 21:15:48.406 INFO kablam!    |
Sep 03 21:15:48.406 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Sep 03 21:15:48.406 INFO kablam!    |                     ----^
Sep 03 21:15:48.406 INFO kablam!    |                     |
Sep 03 21:15:48.406 INFO kablam!    |                     help: remove this `mut`
Sep 03 21:15:48.406 INFO kablam!    |
Sep 03 21:15:48.406 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 21:15:48.406 INFO kablam! 
Sep 03 21:15:49.912 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
Sep 03 21:15:49.926 INFO kablam! su: No module specific data is present
Sep 03 21:15:50.582 INFO running `"docker" "rm" "-f" "ea78d02da1dad6bbc574d33afaf9b2191356e5a82ab928b16ecb5e8b62681be3"`
Sep 03 21:15:50.741 INFO blam! ea78d02da1dad6bbc574d33afaf9b2191356e5a82ab928b16ecb5e8b62681be3