Dec 11 12:29:47.435 INFO checking nuclearfurnace/synchrotron against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:29:47.435 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 12:29:47.912 INFO [stdout] 91168b1c61daba78c571a26b616d4d7f05eebfca82857ab0d784f26e4f5183d7
Dec 11 12:29:47.914 INFO running `"docker" "start" "-a" "91168b1c61daba78c571a26b616d4d7f05eebfca82857ab0d784f26e4f5183d7"`
Dec 11 12:29:49.124 INFO [stderr] usermod: no changes
Dec 11 12:29:49.536 INFO [stderr]     Checking arc-swap v0.3.0
Dec 11 12:29:49.536 INFO [stderr]    Compiling synchrotron v0.1.0 (/source)
Dec 11 12:29:49.553 INFO [stderr]     Checking log v0.4.6
Dec 11 12:29:49.553 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 11 12:29:49.560 INFO [stderr]     Checking futures-turnstyle v3.0.0
Dec 11 12:29:49.564 INFO [stderr]     Checking bytes v0.4.11
Dec 11 12:29:49.564 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 11 12:29:49.564 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 11 12:29:51.448 INFO [stderr]     Checking btoi v0.4.0
Dec 11 12:29:51.536 INFO [stderr]     Checking tokio-evacuate v1.1.0
Dec 11 12:29:51.948 INFO [stderr]     Checking slog-scope v4.0.1
Dec 11 12:29:52.097 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 11 12:29:52.196 INFO [stderr]     Checking num-bigint v0.1.44
Dec 11 12:29:52.893 INFO [stderr]     Checking chrono v0.4.6
Dec 11 12:29:52.996 INFO [stderr]     Checking signal-hook v0.1.5
Dec 11 12:29:53.232 INFO [stderr]     Checking nom v4.1.0
Dec 11 12:29:53.646 INFO [stderr]     Checking digest v0.6.2
Dec 11 12:29:53.916 INFO [stderr]    Compiling syn v0.15.9
Dec 11 12:29:54.040 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 11 12:29:54.684 INFO [stderr]     Checking mio v0.6.16
Dec 11 12:29:56.008 INFO [stderr]     Checking log v0.3.9
Dec 11 12:29:57.064 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 11 12:29:58.268 INFO [stderr]     Checking crossbeam-deque v0.5.2
Dec 11 12:29:59.034 INFO [stderr]     Checking regex v1.0.5
Dec 11 12:29:59.332 INFO [stderr]     Checking tokio-io v0.1.9
Dec 11 12:30:02.136 INFO [stderr]     Checking pruefung v0.2.1
Dec 11 12:30:04.096 INFO [stderr]     Checking crossbeam-arccell v0.6.4
Dec 11 12:30:04.545 INFO [stderr]     Checking rand v0.6.1
Dec 11 12:30:04.812 INFO [stderr]     Checking slog-stdlog v3.0.2
Dec 11 12:30:05.668 INFO [stderr]     Checking num-rational v0.1.42
Dec 11 12:30:06.488 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 11 12:30:06.576 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 11 12:30:07.614 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 11 12:30:10.344 INFO [stderr]     Checking mio-uds v0.6.7
Dec 11 12:30:10.377 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 11 12:30:13.956 INFO [stderr]     Checking slog-term v2.4.0
Dec 11 12:30:14.660 INFO [stderr]     Checking hdrhistogram v6.1.0
Dec 11 12:30:15.657 INFO [stderr]     Checking config v0.9.1
Dec 11 12:30:16.292 INFO [stderr]     Checking num v0.1.42
Dec 11 12:30:16.744 INFO [stderr]     Checking env_logger v0.5.13
Dec 11 12:30:16.894 INFO [stderr]     Checking crossbeam v0.4.1
Dec 11 12:30:19.377 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 11 12:30:23.536 INFO [stderr]     Checking spectral v0.6.0
Dec 11 12:30:23.712 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 11 12:30:25.110 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 11 12:30:25.740 INFO [stderr]     Checking tokio-uds v0.2.2
Dec 11 12:30:25.912 INFO [stderr]     Checking parking_lot_core v0.4.0
Dec 11 12:30:26.176 INFO [stderr]     Checking hotmic v0.2.1
Dec 11 12:30:28.964 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 11 12:30:29.662 INFO [stderr]     Checking parking_lot v0.7.0
Dec 11 12:30:31.145 INFO [stderr]     Checking tokio v0.1.11
Dec 11 12:30:33.764 INFO [stderr]     Checking tokio-io-pool v0.1.4
Dec 11 12:30:52.768 INFO [stderr] warning: unused variable: `client_addr`
Dec 11 12:30:52.768 INFO [stderr]    --> src/listener.rs:194:17
Dec 11 12:30:52.768 INFO [stderr]     |
Dec 11 12:30:52.768 INFO [stderr] 194 |             let client_addr = client.peer_addr().unwrap();
Dec 11 12:30:52.768 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_client_addr` instead
Dec 11 12:30:52.768 INFO [stderr]     |
Dec 11 12:30:52.768 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 12:30:52.768 INFO [stderr] 
Dec 11 12:30:52.786 INFO [stderr] warning: unused variable: `client_addr`
Dec 11 12:30:52.786 INFO [stderr]    --> src/listener.rs:194:17
Dec 11 12:30:52.786 INFO [stderr]     |
Dec 11 12:30:52.786 INFO [stderr] 194 |             let client_addr = client.peer_addr().unwrap();
Dec 11 12:30:52.786 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_client_addr` instead
Dec 11 12:30:52.786 INFO [stderr]     |
Dec 11 12:30:52.796 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 12:30:52.796 INFO [stderr] 
Dec 11 12:30:53.735 INFO [stderr] warning: method is never used: `update_latency`
Dec 11 12:30:53.736 INFO [stderr]    --> src/metrics/mod.rs:102:5
Dec 11 12:30:53.736 INFO [stderr]     |
Dec 11 12:30:53.736 INFO [stderr] 102 |     pub fn update_latency(&mut self, key: Metrics, start: Instant, stop: Instant) {
Dec 11 12:30:53.736 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:30:53.736 INFO [stderr]     |
Dec 11 12:30:53.736 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 12:30:53.736 INFO [stderr] 
Dec 11 12:30:53.907 INFO [stderr] warning: method is never used: `update_latency`
Dec 11 12:30:53.908 INFO [stderr]    --> src/metrics/mod.rs:102:5
Dec 11 12:30:53.908 INFO [stderr]     |
Dec 11 12:30:53.908 INFO [stderr] 102 |     pub fn update_latency(&mut self, key: Metrics, start: Instant, stop: Instant) {
Dec 11 12:30:53.908 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:30:53.909 INFO [stderr]     |
Dec 11 12:30:53.909 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 12:30:53.909 INFO [stderr] 
Dec 11 12:30:54.041 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
Dec 11 12:30:54.055 INFO [stderr] su: No module specific data is present
Dec 11 12:30:55.911 INFO running `"docker" "inspect" "91168b1c61daba78c571a26b616d4d7f05eebfca82857ab0d784f26e4f5183d7"`
Dec 11 12:30:56.208 INFO running `"docker" "rm" "-f" "91168b1c61daba78c571a26b616d4d7f05eebfca82857ab0d784f26e4f5183d7"`
Dec 11 12:30:56.608 INFO [stdout] 91168b1c61daba78c571a26b616d4d7f05eebfca82857ab0d784f26e4f5183d7