Sep 14 03:32:33.209 INFO checking muktakosh/unicorn against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 03:32:33.209 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 03:32:33.209 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 03:32:33.634 INFO blam! 054ab18583ca2cfb63b5e563f65f4a619f2293de0da5416d08881aef1430d27d
Sep 14 03:32:33.636 INFO running `"docker" "start" "-a" "054ab18583ca2cfb63b5e563f65f4a619f2293de0da5416d08881aef1430d27d"`
Sep 14 03:32:35.349 INFO kablam! usermod: no changes
Sep 14 03:32:35.655 INFO kablam!    Compiling winapi v0.2.8
Sep 14 03:32:35.655 INFO kablam!    Compiling rustc-serialize v0.3.22
Sep 14 03:32:35.659 INFO kablam!    Compiling libc v0.2.18
Sep 14 03:32:35.683 INFO kablam!    Compiling unicode-xid v0.0.3
Sep 14 03:32:35.691 INFO kablam!    Compiling quote v0.3.10
Sep 14 03:32:35.695 INFO kablam!     Checking cfg-if v0.1.0
Sep 14 03:32:35.695 INFO kablam!     Checking matches v0.1.4
Sep 14 03:32:35.695 INFO kablam!     Checking unicode-normalization v0.1.3
Sep 14 03:32:36.487 INFO kablam!     Checking sha1 v0.2.0
Sep 14 03:32:36.547 INFO kablam!     Checking httparse v1.2.1
Sep 14 03:32:37.247 INFO kablam!     Checking serde v0.8.21
Sep 14 03:32:37.299 INFO kablam!     Checking dtoa v0.2.2
Sep 14 03:32:38.217 INFO kablam!     Checking itoa v0.1.1
Sep 14 03:32:38.283 INFO kablam!     Checking net2 v0.2.26
Sep 14 03:32:39.115 INFO kablam!     Checking nix v0.5.1
Sep 14 03:32:39.923 INFO kablam!     Checking unicode-bidi v0.2.4
Sep 14 03:32:41.043 INFO kablam!    Compiling kernel32-sys v0.2.2
Sep 14 03:32:41.071 INFO kablam!    Compiling syn v0.10.5
Sep 14 03:32:42.068 INFO kablam!     Checking time v0.1.35
Sep 14 03:32:42.283 INFO kablam!    Compiling term v0.4.4
Sep 14 03:32:42.931 INFO kablam!     Checking miow v0.1.5
Sep 14 03:32:45.375 INFO kablam!     Checking idna v0.1.0
Sep 14 03:32:55.621 INFO kablam!     Checking url v1.2.4
Sep 14 03:32:58.984 INFO kablam!     Checking mio v0.5.1
Sep 14 03:33:04.163 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Sep 14 03:33:05.655 INFO kablam!     Checking ws v0.5.3
Sep 14 03:33:12.193 INFO kablam!     Checking serde_json v0.8.4
Sep 14 03:33:12.845 INFO kablam!    Compiling syntex_pos v0.52.0
Sep 14 03:33:15.475 INFO kablam!    Compiling syntex_errors v0.52.0
Sep 14 03:33:19.079 INFO kablam!    Compiling syntex_syntax v0.52.0
Sep 14 03:34:09.211 INFO kablam!    Compiling syntex v0.52.0
Sep 14 03:34:10.647 INFO kablam!    Compiling serde_codegen v0.8.21
Sep 14 03:34:16.877 INFO kablam!    Compiling libunicorn v0.0.1 (file:///source)
Sep 14 03:34:21.838 INFO kablam! warning: variable does not need to be mutable
Sep 14 03:34:21.838 INFO kablam!   --> src/router.rs:80:21
Sep 14 03:34:21.838 INFO kablam!    |
Sep 14 03:34:21.838 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Sep 14 03:34:21.838 INFO kablam!    |                     ----^
Sep 14 03:34:21.838 INFO kablam!    |                     |
Sep 14 03:34:21.838 INFO kablam!    |                     help: remove this `mut`
Sep 14 03:34:21.838 INFO kablam!    |
Sep 14 03:34:21.838 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 03:34:21.839 INFO kablam! 
Sep 14 03:34:21.946 INFO kablam! warning: variable does not need to be mutable
Sep 14 03:34:21.946 INFO kablam!   --> src/router.rs:80:21
Sep 14 03:34:21.946 INFO kablam!    |
Sep 14 03:34:21.946 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Sep 14 03:34:21.947 INFO kablam!    |                     ----^
Sep 14 03:34:21.947 INFO kablam!    |                     |
Sep 14 03:34:21.947 INFO kablam!    |                     help: remove this `mut`
Sep 14 03:34:21.947 INFO kablam!    |
Sep 14 03:34:21.947 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 03:34:21.947 INFO kablam! 
Sep 14 03:34:22.876 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
Sep 14 03:34:22.883 INFO kablam! su: No module specific data is present
Sep 14 03:34:24.217 INFO running `"docker" "rm" "-f" "054ab18583ca2cfb63b5e563f65f4a619f2293de0da5416d08881aef1430d27d"`
Sep 14 03:34:24.508 INFO blam! 054ab18583ca2cfb63b5e563f65f4a619f2293de0da5416d08881aef1430d27d