Dec 17 18:33:13.883 INFO checking nuclearfurnace/synchrotron against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:33:13.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/nuclearfurnace/synchrotron:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:33:14.378 INFO [stdout] 387c7e8800f62a79da91d5aa4ec4a87cadda6cb8a3a53ca3103b2c779a4f2eea
Dec 17 18:33:14.380 INFO running `"docker" "start" "-a" "387c7e8800f62a79da91d5aa4ec4a87cadda6cb8a3a53ca3103b2c779a4f2eea"`
Dec 17 18:33:16.195 INFO [stderr]    Compiling slog v2.4.1
Dec 17 18:33:16.210 INFO [stderr]    Compiling synchrotron v0.1.0 (/opt/crater/workdir)
Dec 17 18:33:16.212 INFO [stderr]     Checking log v0.4.6
Dec 17 18:33:16.218 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 17 18:33:16.219 INFO [stderr]     Checking isatty v0.1.9
Dec 17 18:33:16.229 INFO [stderr]     Checking futures-turnstyle v3.0.0
Dec 17 18:33:16.249 INFO [stderr]     Checking bytes v0.4.11
Dec 17 18:33:16.256 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 17 18:33:17.308 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 17 18:33:18.295 INFO [stderr]     Checking num-complex v0.1.43
Dec 17 18:33:18.295 INFO [stderr]     Checking btoi v0.4.0
Dec 17 18:33:18.572 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 17 18:33:18.652 INFO [stderr]     Checking tokio-evacuate v1.1.0
Dec 17 18:33:18.784 INFO [stderr]     Checking serde_json v1.0.33
Dec 17 18:33:19.542 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 17 18:33:19.816 INFO [stderr]     Checking num-bigint v0.1.44
Dec 17 18:33:20.168 INFO [stderr]     Checking chrono v0.4.6
Dec 17 18:33:20.408 INFO [stderr]     Checking mio v0.6.16
Dec 17 18:33:21.283 INFO [stderr]     Checking log v0.3.9
Dec 17 18:33:21.550 INFO [stderr]     Checking nom v4.1.0
Dec 17 18:33:23.073 INFO [stderr]     Checking digest v0.6.2
Dec 17 18:33:23.312 INFO [stderr]     Checking crossbeam-deque v0.6.1
Dec 17 18:33:23.864 INFO [stderr]     Checking crossbeam-deque v0.5.2
Dec 17 18:33:25.006 INFO [stderr]     Checking tokio-io v0.1.9
Dec 17 18:33:26.001 INFO [stderr]     Checking crossbeam-arccell v0.6.4
Dec 17 18:33:26.001 INFO [stderr]     Checking regex v1.0.5
Dec 17 18:33:27.208 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 18:33:27.469 INFO [stderr]     Checking pruefung v0.2.1
Dec 17 18:33:29.088 INFO [stderr]     Checking rand v0.6.1
Dec 17 18:33:29.468 INFO [stderr]     Checking tokio-threadpool v0.1.7
Dec 17 18:33:29.872 INFO [stderr]     Checking mio-uds v0.6.7
Dec 17 18:33:30.232 INFO [stderr]     Checking num-rational v0.1.42
Dec 17 18:33:31.700 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 17 18:33:32.088 INFO [stderr]     Checking hdrhistogram v6.1.0
Dec 17 18:33:34.273 INFO [stderr]     Checking config v0.9.1
Dec 17 18:33:35.310 INFO [stderr]     Checking slog-scope v4.0.1
Dec 17 18:33:37.102 INFO [stderr]     Checking slog-async v2.3.0
Dec 17 18:33:38.296 INFO [stderr]     Checking slog-term v2.4.0
Dec 17 18:33:38.572 INFO [stderr]     Checking tokio-codec v0.1.1
Dec 17 18:33:39.052 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 17 18:33:40.272 INFO [stderr]     Checking num v0.1.42
Dec 17 18:33:40.488 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 17 18:33:40.545 INFO [stderr]     Checking slog-stdlog v3.0.2
Dec 17 18:33:41.164 INFO [stderr]     Checking crossbeam v0.4.1
Dec 17 18:33:42.608 INFO [stderr]     Checking env_logger v0.5.13
Dec 17 18:33:43.257 INFO [stderr]     Checking spectral v0.6.0
Dec 17 18:33:43.767 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 17 18:33:43.767 INFO [stderr]     Checking tokio-uds v0.2.2
Dec 17 18:33:43.936 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 17 18:33:44.185 INFO [stderr]     Checking parking_lot_core v0.4.0
Dec 17 18:33:46.468 INFO [stderr]     Checking tokio v0.1.11
Dec 17 18:33:46.548 INFO [stderr]     Checking hotmic v0.2.1
Dec 17 18:33:46.892 INFO [stderr]     Checking parking_lot v0.7.0
Dec 17 18:33:48.344 INFO [stderr]     Checking tokio-io-pool v0.1.4
Dec 17 18:34:01.564 INFO [stderr] warning: unused variable: `client_addr`
Dec 17 18:34:01.564 INFO [stderr]    --> src/listener.rs:194:17
Dec 17 18:34:01.564 INFO [stderr]     |
Dec 17 18:34:01.564 INFO [stderr] 194 |             let client_addr = client.peer_addr().unwrap();
Dec 17 18:34:01.564 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_client_addr` instead
Dec 17 18:34:01.564 INFO [stderr]     |
Dec 17 18:34:01.564 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 18:34:01.564 INFO [stderr] 
Dec 17 18:34:01.745 INFO [stderr] warning: unused variable: `client_addr`
Dec 17 18:34:01.745 INFO [stderr]    --> src/listener.rs:194:17
Dec 17 18:34:01.745 INFO [stderr]     |
Dec 17 18:34:01.745 INFO [stderr] 194 |             let client_addr = client.peer_addr().unwrap();
Dec 17 18:34:01.745 INFO [stderr]     |                 ^^^^^^^^^^^ help: consider using `_client_addr` instead
Dec 17 18:34:01.745 INFO [stderr]     |
Dec 17 18:34:01.745 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 18:34:01.745 INFO [stderr] 
Dec 17 18:34:02.540 INFO [stderr] warning: method is never used: `update_latency`
Dec 17 18:34:02.540 INFO [stderr]    --> src/metrics/mod.rs:102:5
Dec 17 18:34:02.540 INFO [stderr]     |
Dec 17 18:34:02.540 INFO [stderr] 102 |     pub fn update_latency(&mut self, key: Metrics, start: Instant, stop: Instant) {
Dec 17 18:34:02.540 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:34:02.540 INFO [stderr]     |
Dec 17 18:34:02.540 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 18:34:02.540 INFO [stderr] 
Dec 17 18:34:02.612 INFO [stderr] warning: method is never used: `update_latency`
Dec 17 18:34:02.612 INFO [stderr]    --> src/metrics/mod.rs:102:5
Dec 17 18:34:02.612 INFO [stderr]     |
Dec 17 18:34:02.612 INFO [stderr] 102 |     pub fn update_latency(&mut self, key: Metrics, start: Instant, stop: Instant) {
Dec 17 18:34:02.612 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:34:02.612 INFO [stderr]     |
Dec 17 18:34:02.612 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 18:34:02.612 INFO [stderr] 
Dec 17 18:34:02.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.89s
Dec 17 18:34:03.928 INFO running `"docker" "inspect" "387c7e8800f62a79da91d5aa4ec4a87cadda6cb8a3a53ca3103b2c779a4f2eea"`
Dec 17 18:34:04.232 INFO running `"docker" "rm" "-f" "387c7e8800f62a79da91d5aa4ec4a87cadda6cb8a3a53ca3103b2c779a4f2eea"`
Dec 17 18:34:04.607 INFO [stdout] 387c7e8800f62a79da91d5aa4ec4a87cadda6cb8a3a53ca3103b2c779a4f2eea