Dec 04 13:01:08.842 INFO checking nuclearfurnace/synchrotron against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:01:08.842 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 13:01:09.338 INFO [stdout] 7b010ed2489a50de1b61f2490fd30ac4a4a381990df7440a9d1fd9fcb320c4a5
Dec 04 13:01:09.341 INFO running `"docker" "start" "-a" "7b010ed2489a50de1b61f2490fd30ac4a4a381990df7440a9d1fd9fcb320c4a5"`
Dec 04 13:01:10.890 INFO [stderr] usermod: no changes
Dec 04 13:01:11.338 INFO [stderr]     Checking arc-swap v0.3.0
Dec 04 13:01:11.343 INFO [stderr]    Compiling synchrotron v0.1.0 (/source)
Dec 04 13:01:11.347 INFO [stderr]     Checking rand_xorshift v0.1.0
Dec 04 13:01:11.347 INFO [stderr]     Checking rand_isaac v0.1.0
Dec 04 13:01:11.351 INFO [stderr]     Checking rand_hc v0.1.0
Dec 04 13:01:11.380 INFO [stderr]     Checking log v0.4.6
Dec 04 13:01:11.381 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 04 13:01:11.384 INFO [stderr]     Checking futures-turnstyle v3.0.0
Dec 04 13:01:12.591 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 04 13:01:12.671 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 04 13:01:12.950 INFO [stderr]     Checking bytes v0.4.11
Dec 04 13:01:14.147 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 04 13:01:14.159 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 04 13:01:14.699 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 04 13:01:14.735 INFO [stderr]    Compiling rand v0.6.1
Dec 04 13:01:14.947 INFO [stderr]    Compiling parking_lot_core v0.4.0
Dec 04 13:01:15.211 INFO [stderr]     Checking num-complex v0.1.43
Dec 04 13:01:16.643 INFO [stderr]     Checking btoi v0.4.0
Dec 04 13:01:16.785 INFO [stderr]     Checking signal-hook v0.1.5
Dec 04 13:01:17.279 INFO [stderr]     Checking tokio-evacuate v1.1.0
Dec 04 13:01:17.279 INFO [stderr]     Checking slog-async v2.3.0
Dec 04 13:01:17.633 INFO [stderr]     Checking serde_json v1.0.33
Dec 04 13:01:17.843 INFO [stderr]     Checking mio v0.6.16
Dec 04 13:01:18.483 INFO [stderr]     Checking log v0.3.9
Dec 04 13:01:18.483 INFO [stderr]     Checking num-bigint v0.1.44
Dec 04 13:01:18.571 INFO [stderr]     Checking chrono v0.4.6
Dec 04 13:01:18.605 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 04 13:01:18.763 INFO [stderr]     Checking crossbeam-deque v0.5.2
Dec 04 13:01:20.539 INFO [stderr]     Checking nom v4.1.0
Dec 04 13:01:21.756 INFO [stderr]     Checking digest v0.6.2
Dec 04 13:01:21.787 INFO [stderr]     Checking tokio-io v0.1.9
Dec 04 13:01:22.307 INFO [stderr]     Checking crossbeam-arccell v0.6.4
Dec 04 13:01:24.429 INFO [stderr]     Checking regex v1.0.5
Dec 04 13:01:25.027 INFO [stderr]     Checking slog-stdlog v3.0.2
Dec 04 13:01:28.052 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 04 13:01:28.627 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 13:01:29.263 INFO [stderr]     Checking pruefung v0.2.1
Dec 04 13:01:30.403 INFO [stderr]     Checking mio-uds v0.6.7
Dec 04 13:01:30.491 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 04 13:01:30.643 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 04 13:01:30.827 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 04 13:01:32.820 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 13:01:33.757 INFO [stderr]     Checking hdrhistogram v6.1.0
Dec 04 13:01:37.197 INFO [stderr]     Checking config v0.9.1
Dec 04 13:01:37.893 INFO [stderr]     Checking slog-term v2.4.0
Dec 04 13:01:38.435 INFO [stderr]     Checking num v0.1.42
Dec 04 13:01:38.847 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 04 13:01:40.524 INFO [stderr]     Checking tokio-uds v0.2.2
Dec 04 13:01:42.236 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 04 13:01:42.355 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 04 13:01:44.223 INFO [stderr]     Checking crossbeam v0.4.1
Dec 04 13:01:44.344 INFO [stderr]     Checking spectral v0.6.0
Dec 04 13:01:45.284 INFO [stderr]     Checking env_logger v0.5.13
Dec 04 13:01:48.937 INFO [stderr]     Checking tokio v0.1.11
Dec 04 13:01:50.464 INFO [stderr]     Checking hotmic v0.2.1
Dec 04 13:01:50.505 INFO [stderr]     Checking parking_lot v0.7.0
Dec 04 13:01:53.843 INFO [stderr]     Checking tokio-io-pool v0.1.4
Dec 04 13:02:11.335 INFO [stderr] warning: unused variable: `client_addr`
Dec 04 13:02:11.335 INFO [stderr]    --> src/listener.rs:194:17
Dec 04 13:02:11.335 INFO [stderr]     |
Dec 04 13:02:11.335 INFO [stderr] 194 |             let client_addr = client.peer_addr().unwrap();
Dec 04 13:02:11.335 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_client_addr` instead
Dec 04 13:02:11.335 INFO [stderr]     |
Dec 04 13:02:11.335 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 13:02:11.335 INFO [stderr] 
Dec 04 13:02:11.695 INFO [stderr] warning: unused variable: `client_addr`
Dec 04 13:02:11.695 INFO [stderr]    --> src/listener.rs:194:17
Dec 04 13:02:11.695 INFO [stderr]     |
Dec 04 13:02:11.695 INFO [stderr] 194 |             let client_addr = client.peer_addr().unwrap();
Dec 04 13:02:11.695 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_client_addr` instead
Dec 04 13:02:11.695 INFO [stderr]     |
Dec 04 13:02:11.695 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 13:02:11.695 INFO [stderr] 
Dec 04 13:02:12.420 INFO [stderr] warning: method is never used: `update_latency`
Dec 04 13:02:12.420 INFO [stderr]    --> src/metrics/mod.rs:102:5
Dec 04 13:02:12.420 INFO [stderr]     |
Dec 04 13:02:12.420 INFO [stderr] 102 |     pub fn update_latency(&mut self, key: Metrics, start: Instant, stop: Instant) {
Dec 04 13:02:12.420 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:02:12.420 INFO [stderr]     |
Dec 04 13:02:12.420 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 13:02:12.420 INFO [stderr] 
Dec 04 13:02:12.807 INFO [stderr] warning: method is never used: `update_latency`
Dec 04 13:02:12.807 INFO [stderr]    --> src/metrics/mod.rs:102:5
Dec 04 13:02:12.807 INFO [stderr]     |
Dec 04 13:02:12.807 INFO [stderr] 102 |     pub fn update_latency(&mut self, key: Metrics, start: Instant, stop: Instant) {
Dec 04 13:02:12.807 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:02:12.807 INFO [stderr]     |
Dec 04 13:02:12.807 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 13:02:12.807 INFO [stderr] 
Dec 04 13:02:12.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
Dec 04 13:02:12.939 INFO [stderr] su: No module specific data is present
Dec 04 13:02:14.096 INFO running `"docker" "inspect" "7b010ed2489a50de1b61f2490fd30ac4a4a381990df7440a9d1fd9fcb320c4a5"`
Dec 04 13:02:14.469 INFO running `"docker" "rm" "-f" "7b010ed2489a50de1b61f2490fd30ac4a4a381990df7440a9d1fd9fcb320c4a5"`
Dec 04 13:02:14.837 INFO [stdout] 7b010ed2489a50de1b61f2490fd30ac4a4a381990df7440a9d1fd9fcb320c4a5