Dec 11 14:01:17.994 INFO checking matklad/select-2018 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:01:17.995 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 14:01:18.478 INFO [stdout] 3b81cf857fc2532540a59fd8820de59e4cf5d462a5154361440fc74ab989b3ae
Dec 11 14:01:18.482 INFO running `"docker" "start" "-a" "3b81cf857fc2532540a59fd8820de59e4cf5d462a5154361440fc74ab989b3ae"`
Dec 11 14:01:20.152 INFO [stderr] usermod: no changes
Dec 11 14:01:20.240 INFO [stderr]     Checking crossbeam-epoch v0.5.0
Dec 11 14:01:21.058 INFO [stderr]     Checking crossbeam-channel v0.2.2
Dec 11 14:01:22.391 INFO [stderr]     Checking macro_select v0.1.0 (/source)
Dec 11 14:01:23.712 INFO [stderr] warning: struct is never constructed: `ConcurrentJob`
Dec 11 14:01:23.712 INFO [stderr]  --> src/concurrency.rs:4:1
Dec 11 14:01:23.713 INFO [stderr]   |
Dec 11 14:01:23.713 INFO [stderr] 4 | pub struct ConcurrentJob {
Dec 11 14:01:23.713 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:01:23.713 INFO [stderr]   |
Dec 11 14:01:23.714 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 14:01:23.714 INFO [stderr] 
Dec 11 14:01:23.714 INFO [stderr] warning: function is never used: `wait_for_all`
Dec 11 14:01:23.714 INFO [stderr]  --> src/concurrency.rs:8:1
Dec 11 14:01:23.715 INFO [stderr]   |
Dec 11 14:01:23.715 INFO [stderr] 8 | pub fn wait_for_all(mut jobs: Vec<ConcurrentJob>,) {
Dec 11 14:01:23.715 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:01:23.715 INFO [stderr] 
Dec 11 14:01:23.788 INFO [stderr] warning: struct is never constructed: `ConcurrentJob`
Dec 11 14:01:23.789 INFO [stderr]  --> src/concurrency.rs:4:1
Dec 11 14:01:23.789 INFO [stderr]   |
Dec 11 14:01:23.789 INFO [stderr] 4 | pub struct ConcurrentJob {
Dec 11 14:01:23.790 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:01:23.790 INFO [stderr]   |
Dec 11 14:01:23.790 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 14:01:23.790 INFO [stderr] 
Dec 11 14:01:23.791 INFO [stderr] warning: function is never used: `wait_for_all`
Dec 11 14:01:23.791 INFO [stderr]  --> src/concurrency.rs:8:1
Dec 11 14:01:23.791 INFO [stderr]   |
Dec 11 14:01:23.792 INFO [stderr] 8 | pub fn wait_for_all(mut jobs: Vec<ConcurrentJob>,) {
Dec 11 14:01:23.792 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:01:23.792 INFO [stderr] 
Dec 11 14:01:23.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
Dec 11 14:01:23.849 INFO [stderr] su: No module specific data is present
Dec 11 14:01:25.086 INFO running `"docker" "inspect" "3b81cf857fc2532540a59fd8820de59e4cf5d462a5154361440fc74ab989b3ae"`
Dec 11 14:01:25.310 INFO running `"docker" "rm" "-f" "3b81cf857fc2532540a59fd8820de59e4cf5d462a5154361440fc74ab989b3ae"`
Dec 11 14:01:25.576 INFO [stdout] 3b81cf857fc2532540a59fd8820de59e4cf5d462a5154361440fc74ab989b3ae