Nov 29 18:21:33.667 INFO checking sharkdp/kickoff against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:21:33.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 18:21:33.905 INFO [stdout] 9dc16a7c10dfa17a31abba241facee2e8e112f76baa11bc9d2abb2beae93c27b
Nov 29 18:21:33.910 INFO running `"docker" "start" "-a" "9dc16a7c10dfa17a31abba241facee2e8e112f76baa11bc9d2abb2beae93c27b"`
Nov 29 18:21:34.436 INFO [stderr] usermod: no changes
Nov 29 18:21:34.620 INFO [stderr]     Checking log v0.4.5
Nov 29 18:21:34.624 INFO [stderr]     Checking clap v2.32.0
Nov 29 18:21:34.624 INFO [stderr]     Checking serde_json v1.0.31
Nov 29 18:21:34.624 INFO [stderr]    Compiling syn v0.15.6
Nov 29 18:21:36.060 INFO [stderr]     Checking env_logger v0.5.13
Nov 29 18:21:47.792 INFO [stderr]    Compiling serde_derive v1.0.79
Nov 29 18:22:06.484 INFO [stderr]     Checking kickoff v0.1.0 (/source)
Nov 29 18:22:08.328 INFO [stderr] warning: unused variable: `socket_server`
Nov 29 18:22:08.328 INFO [stderr]   --> src/controller.rs:37:13
Nov 29 18:22:08.328 INFO [stderr]    |
Nov 29 18:22:08.328 INFO [stderr] 37 |         let socket_server = thread::spawn(move || {
Nov 29 18:22:08.328 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Nov 29 18:22:08.328 INFO [stderr]    |
Nov 29 18:22:08.328 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:22:08.328 INFO [stderr] 
Nov 29 18:22:08.547 INFO [stderr] warning: unused variable: `socket_server`
Nov 29 18:22:08.547 INFO [stderr]   --> src/controller.rs:37:13
Nov 29 18:22:08.547 INFO [stderr]    |
Nov 29 18:22:08.547 INFO [stderr] 37 |         let socket_server = thread::spawn(move || {
Nov 29 18:22:08.548 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Nov 29 18:22:08.548 INFO [stderr]    |
Nov 29 18:22:08.548 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:22:08.549 INFO [stderr] 
Nov 29 18:22:08.571 INFO [stderr] warning: struct is never constructed: `ClusterIterator`
Nov 29 18:22:08.571 INFO [stderr]   --> src/util/cluster.rs:10:1
Nov 29 18:22:08.572 INFO [stderr]    |
Nov 29 18:22:08.572 INFO [stderr] 10 | pub struct ClusterIterator<T> {
Nov 29 18:22:08.572 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:22:08.573 INFO [stderr]    |
Nov 29 18:22:08.573 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 18:22:08.573 INFO [stderr] 
Nov 29 18:22:08.574 INFO [stderr] warning: method is never used: `from`
Nov 29 18:22:08.574 INFO [stderr]   --> src/util/cluster.rs:15:5
Nov 29 18:22:08.574 INFO [stderr]    |
Nov 29 18:22:08.575 INFO [stderr] 15 |     pub fn from<I: Iterator<Item = T> + 'static>(base: I) -> ClusterIterator<T> {
Nov 29 18:22:08.575 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:22:08.575 INFO [stderr] 
Nov 29 18:22:08.855 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.40s
Nov 29 18:22:08.875 INFO [stderr] su: No module specific data is present
Nov 29 18:22:09.912 INFO running `"docker" "inspect" "9dc16a7c10dfa17a31abba241facee2e8e112f76baa11bc9d2abb2beae93c27b"`
Nov 29 18:22:10.200 INFO running `"docker" "rm" "-f" "9dc16a7c10dfa17a31abba241facee2e8e112f76baa11bc9d2abb2beae93c27b"`
Nov 29 18:22:10.600 INFO [stdout] 9dc16a7c10dfa17a31abba241facee2e8e112f76baa11bc9d2abb2beae93c27b