Oct 12 17:46:07.777 INFO checking matklad/select-2018 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:46:07.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 17:46:08.162 INFO blam! 7b3aeb721e196cb90892779fd3dd8e67508dc1e2f8c0e4fae3d90132e78ef499
Oct 12 17:46:08.164 INFO running `"docker" "start" "-a" "7b3aeb721e196cb90892779fd3dd8e67508dc1e2f8c0e4fae3d90132e78ef499"`
Oct 12 17:46:09.898 INFO kablam! usermod: no changes
Oct 12 17:46:09.988 INFO kablam!     Checking crossbeam-utils v0.4.1
Oct 12 17:46:09.988 INFO kablam!     Checking parking_lot v0.5.5
Oct 12 17:46:10.872 INFO kablam!     Checking crossbeam-epoch v0.5.0
Oct 12 17:46:12.194 INFO kablam!     Checking crossbeam-channel v0.2.2
Oct 12 17:46:13.582 INFO kablam!     Checking macro_select v0.1.0 (/source)
Oct 12 17:46:14.676 INFO kablam! warning: struct is never constructed: `ConcurrentJob`
Oct 12 17:46:14.677 INFO kablam!  --> src/concurrency.rs:4:1
Oct 12 17:46:14.677 INFO kablam!   |
Oct 12 17:46:14.677 INFO kablam! 4 | pub struct ConcurrentJob {
Oct 12 17:46:14.677 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:46:14.677 INFO kablam!   |
Oct 12 17:46:14.677 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 17:46:14.677 INFO kablam! 
Oct 12 17:46:14.677 INFO kablam! warning: function is never used: `wait_for_all`
Oct 12 17:46:14.677 INFO kablam!  --> src/concurrency.rs:8:1
Oct 12 17:46:14.677 INFO kablam!   |
Oct 12 17:46:14.677 INFO kablam! 8 | pub fn wait_for_all(mut jobs: Vec<ConcurrentJob>,) {
Oct 12 17:46:14.677 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:46:14.677 INFO kablam! 
Oct 12 17:46:14.778 INFO kablam! warning: struct is never constructed: `ConcurrentJob`
Oct 12 17:46:14.778 INFO kablam!  --> src/concurrency.rs:4:1
Oct 12 17:46:14.778 INFO kablam!   |
Oct 12 17:46:14.778 INFO kablam! 4 | pub struct ConcurrentJob {
Oct 12 17:46:14.778 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:46:14.778 INFO kablam!   |
Oct 12 17:46:14.778 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 17:46:14.778 INFO kablam! 
Oct 12 17:46:14.778 INFO kablam! warning: function is never used: `wait_for_all`
Oct 12 17:46:14.778 INFO kablam!  --> src/concurrency.rs:8:1
Oct 12 17:46:14.778 INFO kablam!   |
Oct 12 17:46:14.778 INFO kablam! 8 | pub fn wait_for_all(mut jobs: Vec<ConcurrentJob>,) {
Oct 12 17:46:14.778 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:46:14.778 INFO kablam! 
Oct 12 17:46:14.814 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
Oct 12 17:46:14.825 INFO kablam! su: No module specific data is present
Oct 12 17:46:15.970 INFO running `"docker" "rm" "-f" "7b3aeb721e196cb90892779fd3dd8e67508dc1e2f8c0e4fae3d90132e78ef499"`
Oct 12 17:46:16.391 INFO blam! 7b3aeb721e196cb90892779fd3dd8e67508dc1e2f8c0e4fae3d90132e78ef499