Oct 21 15:25:42.601 INFO checking muktakosh/unicorn against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 15:25:42.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 21 15:25:43.044 INFO blam! fa027e8189a064e5d729386b9039eb22ee10cad58e5c0d2f140bf673f1478210
Oct 21 15:25:43.055 INFO running `"docker" "start" "-a" "fa027e8189a064e5d729386b9039eb22ee10cad58e5c0d2f140bf673f1478210"`
Oct 21 15:25:44.252 INFO kablam! usermod: no changes
Oct 21 15:25:44.456 INFO kablam!    Compiling rustc-serialize v0.3.22
Oct 21 15:25:44.456 INFO kablam!     Checking bytes v0.3.0
Oct 21 15:25:44.464 INFO kablam!     Checking slab v0.1.3
Oct 21 15:25:44.465 INFO kablam!     Checking serde v0.8.21
Oct 21 15:25:44.465 INFO kablam!    Compiling ws2_32-sys v0.2.1
Oct 21 15:25:44.465 INFO kablam!    Compiling syn v0.10.5
Oct 21 15:25:44.465 INFO kablam!     Checking net2 v0.2.26
Oct 21 15:25:44.465 INFO kablam!     Checking nix v0.5.1
Oct 21 15:25:45.797 INFO kablam!    Compiling term v0.4.4
Oct 21 15:25:47.652 INFO kablam!     Checking miow v0.1.5
Oct 21 15:25:55.848 INFO kablam!     Checking mio v0.5.1
Oct 21 15:25:56.980 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Oct 21 15:25:58.849 INFO kablam!     Checking ws v0.5.3
Oct 21 15:25:58.860 INFO kablam!    Compiling syntex_pos v0.52.0
Oct 21 15:25:59.300 INFO kablam!     Checking serde_json v0.8.4
Oct 21 15:26:01.768 INFO kablam!    Compiling syntex_errors v0.52.0
Oct 21 15:26:05.788 INFO kablam!    Compiling syntex_syntax v0.52.0
Oct 21 15:26:50.096 INFO kablam!    Compiling syntex v0.52.0
Oct 21 15:26:51.648 INFO kablam!    Compiling serde_codegen v0.8.21
Oct 21 15:26:58.184 INFO kablam!    Compiling libunicorn v0.0.1 (/source)
Oct 21 15:27:03.164 INFO kablam! warning: variable does not need to be mutable
Oct 21 15:27:03.164 INFO kablam!   --> src/router.rs:80:21
Oct 21 15:27:03.164 INFO kablam!    |
Oct 21 15:27:03.164 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Oct 21 15:27:03.164 INFO kablam!    |                     ----^
Oct 21 15:27:03.164 INFO kablam!    |                     |
Oct 21 15:27:03.164 INFO kablam!    |                     help: remove this `mut`
Oct 21 15:27:03.164 INFO kablam!    |
Oct 21 15:27:03.164 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 15:27:03.164 INFO kablam! 
Oct 21 15:27:03.328 INFO kablam! warning: variable does not need to be mutable
Oct 21 15:27:03.328 INFO kablam!   --> src/router.rs:80:21
Oct 21 15:27:03.328 INFO kablam!    |
Oct 21 15:27:03.328 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Oct 21 15:27:03.328 INFO kablam!    |                     ----^
Oct 21 15:27:03.328 INFO kablam!    |                     |
Oct 21 15:27:03.328 INFO kablam!    |                     help: remove this `mut`
Oct 21 15:27:03.328 INFO kablam!    |
Oct 21 15:27:03.328 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 15:27:03.328 INFO kablam! 
Oct 21 15:27:04.996 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
Oct 21 15:27:05.009 INFO kablam! su: No module specific data is present
Oct 21 15:27:05.790 INFO running `"docker" "rm" "-f" "fa027e8189a064e5d729386b9039eb22ee10cad58e5c0d2f140bf673f1478210"`
Oct 21 15:27:06.068 INFO blam! fa027e8189a064e5d729386b9039eb22ee10cad58e5c0d2f140bf673f1478210