Nov 01 00:24:18.415 INFO checking muktakosh/unicorn against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 00:24:18.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 00:24:18.818 INFO blam! c8d74f45733616b0d28fa3bece820dcc69507c2acce179fe54bf58dc6033b48c
Nov 01 00:24:18.826 INFO running `"docker" "start" "-a" "c8d74f45733616b0d28fa3bece820dcc69507c2acce179fe54bf58dc6033b48c"`
Nov 01 00:24:20.016 INFO kablam! usermod: no changes
Nov 01 00:24:20.244 INFO kablam!     Checking unicode-normalization v0.1.3
Nov 01 00:24:20.244 INFO kablam!     Checking bytes v0.3.0
Nov 01 00:24:20.244 INFO kablam!     Checking slab v0.1.3
Nov 01 00:24:20.244 INFO kablam!     Checking unicode-segmentation v0.1.3
Nov 01 00:24:20.244 INFO kablam!    Compiling ws2_32-sys v0.2.1
Nov 01 00:24:20.244 INFO kablam!    Compiling syntex_pos v0.52.0
Nov 01 00:24:20.248 INFO kablam!     Checking unicode-bidi v0.2.4
Nov 01 00:24:20.248 INFO kablam!     Checking net2 v0.2.26
Nov 01 00:24:22.750 INFO kablam!     Checking term_size v0.2.1
Nov 01 00:24:23.129 INFO kablam!     Checking nix v0.5.1
Nov 01 00:24:23.729 INFO kablam!    Compiling term v0.4.4
Nov 01 00:24:24.513 INFO kablam!     Checking clap v2.19.2
Nov 01 00:24:24.749 INFO kablam!     Checking miow v0.1.5
Nov 01 00:24:27.785 INFO kablam!     Checking idna v0.1.0
Nov 01 00:24:31.941 INFO kablam!    Compiling syntex_errors v0.52.0
Nov 01 00:24:34.136 INFO kablam!     Checking url v1.2.4
Nov 01 00:24:35.623 INFO kablam!     Checking mio v0.5.1
Nov 01 00:24:39.864 INFO kablam!    Compiling syntex_syntax v0.52.0
Nov 01 00:24:41.509 INFO kablam!     Checking ws v0.5.3
Nov 01 00:25:30.997 INFO kablam!    Compiling syntex v0.52.0
Nov 01 00:25:32.685 INFO kablam!    Compiling serde_codegen v0.8.21
Nov 01 00:25:40.006 INFO kablam!    Compiling libunicorn v0.0.1 (/source)
Nov 01 00:25:45.896 INFO kablam! warning: variable does not need to be mutable
Nov 01 00:25:45.897 INFO kablam!   --> src/router.rs:80:21
Nov 01 00:25:45.898 INFO kablam!    |
Nov 01 00:25:45.899 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Nov 01 00:25:45.899 INFO kablam!    |                     ----^
Nov 01 00:25:45.900 INFO kablam!    |                     |
Nov 01 00:25:45.900 INFO kablam!    |                     help: remove this `mut`
Nov 01 00:25:45.901 INFO kablam!    |
Nov 01 00:25:45.902 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 00:25:45.902 INFO kablam! 
Nov 01 00:25:46.172 INFO kablam! warning: variable does not need to be mutable
Nov 01 00:25:46.173 INFO kablam!   --> src/router.rs:80:21
Nov 01 00:25:46.174 INFO kablam!    |
Nov 01 00:25:46.175 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Nov 01 00:25:46.175 INFO kablam!    |                     ----^
Nov 01 00:25:46.176 INFO kablam!    |                     |
Nov 01 00:25:46.177 INFO kablam!    |                     help: remove this `mut`
Nov 01 00:25:46.178 INFO kablam!    |
Nov 01 00:25:46.178 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 00:25:46.179 INFO kablam! 
Nov 01 00:25:48.446 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
Nov 01 00:25:48.469 INFO kablam! su: No module specific data is present
Nov 01 00:25:50.214 INFO running `"docker" "rm" "-f" "c8d74f45733616b0d28fa3bece820dcc69507c2acce179fe54bf58dc6033b48c"`
Nov 01 00:25:50.529 INFO blam! c8d74f45733616b0d28fa3bece820dcc69507c2acce179fe54bf58dc6033b48c