Oct 31 21:17:19.348 INFO checking sharkdp/kickoff against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:17:19.348 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 21:17:19.715 INFO blam! f1c413d36bab298e7ae97e540b4257db8e01413b173f98c36637befe8124efb8
Oct 31 21:17:19.721 INFO running `"docker" "start" "-a" "f1c413d36bab298e7ae97e540b4257db8e01413b173f98c36637befe8124efb8"`
Oct 31 21:17:21.280 INFO kablam! usermod: no changes
Oct 31 21:17:21.477 INFO kablam!     Checking termcolor v1.0.4
Oct 31 21:17:21.487 INFO kablam!     Checking term_size v0.3.1
Oct 31 21:17:21.503 INFO kablam!     Checking log v0.4.5
Oct 31 21:17:21.510 INFO kablam!     Checking yaml-rust v0.4.2
Oct 31 21:17:21.512 INFO kablam!     Checking ctrlc v3.1.1
Oct 31 21:17:21.514 INFO kablam!     Checking serde_json v1.0.31
Oct 31 21:17:21.517 INFO kablam!    Compiling syn v0.15.6
Oct 31 21:17:21.526 INFO kablam!     Checking regex v1.0.5
Oct 31 21:17:23.056 INFO kablam!     Checking textwrap v0.10.0
Oct 31 21:17:25.775 INFO kablam!     Checking clap v2.32.0
Oct 31 21:17:31.869 INFO kablam!     Checking env_logger v0.5.13
Oct 31 21:17:42.585 INFO kablam!    Compiling serde_derive v1.0.79
Oct 31 21:18:02.024 INFO kablam!     Checking kickoff v0.1.0 (/source)
Oct 31 21:18:03.596 INFO kablam! warning: unused variable: `socket_server`
Oct 31 21:18:03.596 INFO kablam!   --> src/controller.rs:37:13
Oct 31 21:18:03.596 INFO kablam!    |
Oct 31 21:18:03.596 INFO kablam! 37 |         let socket_server = thread::spawn(move || {
Oct 31 21:18:03.596 INFO kablam!    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Oct 31 21:18:03.596 INFO kablam!    |
Oct 31 21:18:03.596 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:18:03.596 INFO kablam! 
Oct 31 21:18:03.844 INFO kablam! warning: struct is never constructed: `ClusterIterator`
Oct 31 21:18:03.844 INFO kablam!   --> src/util/cluster.rs:10:1
Oct 31 21:18:03.844 INFO kablam!    |
Oct 31 21:18:03.844 INFO kablam! 10 | pub struct ClusterIterator<T> {
Oct 31 21:18:03.844 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:18:03.844 INFO kablam!    |
Oct 31 21:18:03.844 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 21:18:03.844 INFO kablam! 
Oct 31 21:18:03.844 INFO kablam! warning: method is never used: `from`
Oct 31 21:18:03.844 INFO kablam!   --> src/util/cluster.rs:15:5
Oct 31 21:18:03.844 INFO kablam!    |
Oct 31 21:18:03.844 INFO kablam! 15 |     pub fn from<I: Iterator<Item = T> + 'static>(base: I) -> ClusterIterator<T> {
Oct 31 21:18:03.844 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:18:03.844 INFO kablam! 
Oct 31 21:18:04.188 INFO kablam! warning: unused variable: `socket_server`
Oct 31 21:18:04.188 INFO kablam!   --> src/controller.rs:37:13
Oct 31 21:18:04.188 INFO kablam!    |
Oct 31 21:18:04.188 INFO kablam! 37 |         let socket_server = thread::spawn(move || {
Oct 31 21:18:04.188 INFO kablam!    |             ^^^^^^^^^^^^^ help: consider using `_socket_server` instead
Oct 31 21:18:04.188 INFO kablam!    |
Oct 31 21:18:04.188 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 21:18:04.188 INFO kablam! 
Oct 31 21:18:04.642 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 43.33s
Oct 31 21:18:04.650 INFO kablam! su: No module specific data is present
Oct 31 21:18:06.110 INFO running `"docker" "rm" "-f" "f1c413d36bab298e7ae97e540b4257db8e01413b173f98c36637befe8124efb8"`
Oct 31 21:18:06.500 INFO blam! f1c413d36bab298e7ae97e540b4257db8e01413b173f98c36637befe8124efb8