Oct 12 13:54:04.457 INFO checking sharkdp/kickoff against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:54:04.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 13:54:04.893 INFO blam! d3e9c22148c4dafd1aca7834acd1fd3f63cb062de758d6a78affcb841ece003c
Oct 12 13:54:04.898 INFO running `"docker" "start" "-a" "d3e9c22148c4dafd1aca7834acd1fd3f63cb062de758d6a78affcb841ece003c"`
Oct 12 13:54:06.504 INFO kablam! usermod: no changes
Oct 12 13:54:06.676 INFO kablam!     Checking term_size v0.3.1
Oct 12 13:54:06.676 INFO kablam!     Checking log v0.4.5
Oct 12 13:54:06.696 INFO kablam!     Checking ctrlc v3.1.1
Oct 12 13:54:06.696 INFO kablam!     Checking regex v1.0.5
Oct 12 13:54:07.437 INFO kablam!     Checking textwrap v0.10.0
Oct 12 13:54:08.293 INFO kablam!     Checking clap v2.32.0
Oct 12 13:54:11.627 INFO kablam!     Checking env_logger v0.5.13
Oct 12 13:54:15.678 INFO kablam!     Checking kickoff v0.1.0 (/source)
Oct 12 13:54:17.736 INFO kablam! warning: unused variable: `socket_server`
Oct 12 13:54:17.737 INFO kablam!   --> src/controller.rs:37:13
Oct 12 13:54:17.737 INFO kablam!    |
Oct 12 13:54:17.737 INFO kablam! 37 |         let socket_server = thread::spawn(move || {
Oct 12 13:54:17.737 INFO kablam!    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Oct 12 13:54:17.737 INFO kablam!    |
Oct 12 13:54:17.737 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 13:54:17.737 INFO kablam! 
Oct 12 13:54:17.990 INFO kablam! warning: struct is never constructed: `ClusterIterator`
Oct 12 13:54:17.990 INFO kablam!   --> src/util/cluster.rs:10:1
Oct 12 13:54:17.991 INFO kablam!    |
Oct 12 13:54:17.991 INFO kablam! 10 | pub struct ClusterIterator<T> {
Oct 12 13:54:17.991 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:54:17.991 INFO kablam!    |
Oct 12 13:54:17.991 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 13:54:17.991 INFO kablam! 
Oct 12 13:54:17.991 INFO kablam! warning: method is never used: `from`
Oct 12 13:54:17.991 INFO kablam!   --> src/util/cluster.rs:15:5
Oct 12 13:54:17.991 INFO kablam!    |
Oct 12 13:54:17.991 INFO kablam! 15 |     pub fn from<I: Iterator<Item = T> + 'static>(base: I) -> ClusterIterator<T> {
Oct 12 13:54:17.991 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:54:17.991 INFO kablam! 
Oct 12 13:54:18.157 INFO kablam! warning: unused variable: `socket_server`
Oct 12 13:54:18.158 INFO kablam!   --> src/controller.rs:37:13
Oct 12 13:54:18.158 INFO kablam!    |
Oct 12 13:54:18.159 INFO kablam! 37 |         let socket_server = thread::spawn(move || {
Oct 12 13:54:18.159 INFO kablam!    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Oct 12 13:54:18.160 INFO kablam!    |
Oct 12 13:54:18.161 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 13:54:18.161 INFO kablam! 
Oct 12 13:54:18.457 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.93s
Oct 12 13:54:18.473 INFO kablam! su: No module specific data is present
Oct 12 13:54:20.107 INFO running `"docker" "rm" "-f" "d3e9c22148c4dafd1aca7834acd1fd3f63cb062de758d6a78affcb841ece003c"`
Oct 12 13:54:20.376 INFO blam! d3e9c22148c4dafd1aca7834acd1fd3f63cb062de758d6a78affcb841ece003c