Nov 29 18:21:33.950 INFO checking sharkdp/kickoff against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:21:33.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 18:21:34.142 INFO [stdout] 3397017c6e2cc060cbf0226e940f87da30888b20f3929bd6b75fc541d3e4f140
Nov 29 18:21:34.149 INFO running `"docker" "start" "-a" "3397017c6e2cc060cbf0226e940f87da30888b20f3929bd6b75fc541d3e4f140"`
Nov 29 18:21:35.185 INFO [stderr] usermod: no changes
Nov 29 18:21:35.379 INFO [stderr]     Checking log v0.4.5
Nov 29 18:21:35.384 INFO [stderr]     Checking clap v2.32.0
Nov 29 18:21:35.384 INFO [stderr]     Checking ctrlc v3.1.1
Nov 29 18:21:36.444 INFO [stderr]     Checking env_logger v0.5.13
Nov 29 18:21:41.360 INFO [stderr]     Checking kickoff v0.1.0 (/source)
Nov 29 18:21:43.388 INFO [stderr] warning: unused variable: `socket_server`
Nov 29 18:21:43.388 INFO [stderr]   --> src/controller.rs:37:13
Nov 29 18:21:43.388 INFO [stderr]    |
Nov 29 18:21:43.388 INFO [stderr] 37 |         let socket_server = thread::spawn(move || {
Nov 29 18:21:43.388 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Nov 29 18:21:43.388 INFO [stderr]    |
Nov 29 18:21:43.388 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:21:43.388 INFO [stderr] 
Nov 29 18:21:43.608 INFO [stderr] warning: unused variable: `socket_server`
Nov 29 18:21:43.608 INFO [stderr]   --> src/controller.rs:37:13
Nov 29 18:21:43.608 INFO [stderr]    |
Nov 29 18:21:43.608 INFO [stderr] 37 |         let socket_server = thread::spawn(move || {
Nov 29 18:21:43.608 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Nov 29 18:21:43.608 INFO [stderr]    |
Nov 29 18:21:43.608 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 18:21:43.608 INFO [stderr] 
Nov 29 18:21:43.618 INFO [stderr] warning: struct is never constructed: `ClusterIterator`
Nov 29 18:21:43.618 INFO [stderr]   --> src/util/cluster.rs:10:1
Nov 29 18:21:43.618 INFO [stderr]    |
Nov 29 18:21:43.618 INFO [stderr] 10 | pub struct ClusterIterator<T> {
Nov 29 18:21:43.618 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:21:43.618 INFO [stderr]    |
Nov 29 18:21:43.624 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 18:21:43.624 INFO [stderr] 
Nov 29 18:21:43.624 INFO [stderr] warning: method is never used: `from`
Nov 29 18:21:43.624 INFO [stderr]   --> src/util/cluster.rs:15:5
Nov 29 18:21:43.624 INFO [stderr]    |
Nov 29 18:21:43.624 INFO [stderr] 15 |     pub fn from<I: Iterator<Item = T> + 'static>(base: I) -> ClusterIterator<T> {
Nov 29 18:21:43.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:21:43.624 INFO [stderr] 
Nov 29 18:21:44.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
Nov 29 18:21:44.016 INFO [stderr] su: No module specific data is present
Nov 29 18:21:44.770 INFO running `"docker" "inspect" "3397017c6e2cc060cbf0226e940f87da30888b20f3929bd6b75fc541d3e4f140"`
Nov 29 18:21:45.084 INFO running `"docker" "rm" "-f" "3397017c6e2cc060cbf0226e940f87da30888b20f3929bd6b75fc541d3e4f140"`
Nov 29 18:21:45.440 INFO [stdout] 3397017c6e2cc060cbf0226e940f87da30888b20f3929bd6b75fc541d3e4f140