Dec 19 06:04:52.169 INFO checking vitelabs/pow-gpu against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:04:52.169 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/vitelabs/pow-gpu:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:04:52.737 INFO [stdout] 9fa81f8f182a002e5a51dbe3466f6103a43e477e76efa2d1a99dcc9b645719c0
Dec 19 06:04:52.739 INFO running `"docker" "start" "-a" "9fa81f8f182a002e5a51dbe3466f6103a43e477e76efa2d1a99dcc9b645719c0"`
Dec 19 06:04:55.909 INFO [stderr]     Checking nodrop v0.1.12
Dec 19 06:04:55.917 INFO [stderr]    Compiling cc v1.0.15
Dec 19 06:04:55.926 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 19 06:04:55.932 INFO [stderr]     Checking serde v1.0.45
Dec 19 06:04:55.934 INFO [stderr]     Checking hex v0.3.2
Dec 19 06:04:55.936 INFO [stderr]     Checking net2 v0.2.32
Dec 19 06:04:55.938 INFO [stderr]     Checking atty v0.2.10
Dec 19 06:04:55.940 INFO [stderr]     Checking num-integer v0.1.36
Dec 19 06:04:56.868 INFO [stderr]     Checking qutex v0.2.1
Dec 19 06:04:57.028 INFO [stderr]     Checking log v0.3.9
Dec 19 06:04:58.061 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 06:04:58.255 INFO [stderr]     Checking arrayvec v0.4.7
Dec 19 06:04:59.233 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 19 06:04:59.681 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 19 06:05:00.064 INFO [stderr]     Checking clap v2.31.2
Dec 19 06:05:00.262 INFO [stderr]     Checking tokio-io v0.1.6
Dec 19 06:05:00.446 INFO [stderr]     Checking num-bigint v0.1.43
Dec 19 06:05:02.466 INFO [stderr]     Checking num-iter v0.1.35
Dec 19 06:05:03.599 INFO [stderr]     Checking mio v0.6.14
Dec 19 06:05:10.505 INFO [stderr]     Checking crossbeam-epoch v0.4.1
Dec 19 06:05:10.580 INFO [stderr]     Checking blake2 v0.7.1
Dec 19 06:05:11.336 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 06:05:12.802 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 06:05:13.530 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 19 06:05:14.174 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 19 06:05:15.055 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 19 06:05:15.734 INFO [stderr]     Checking num v0.1.42
Dec 19 06:05:16.190 INFO [stderr]     Checking ocl-core-vector v0.1.0
Dec 19 06:05:17.042 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 19 06:05:17.044 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 06:05:19.224 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 19 06:05:19.897 INFO [stderr]     Checking tokio v0.1.6
Dec 19 06:05:21.128 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 06:05:22.740 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 06:05:27.020 INFO [stderr]     Checking hyper v0.11.25
Dec 19 06:05:28.180 INFO [stderr]     Checking serde_json v1.0.17
Dec 19 06:05:37.356 INFO [stderr]     Checking backtrace v0.3.7
Dec 19 06:05:37.804 INFO [stderr]     Checking failure v0.1.1
Dec 19 06:05:41.869 INFO [stderr]     Checking ocl v0.18.0
Dec 19 06:05:44.988 INFO [stderr]     Checking dpow-work-server v0.1.7 (/opt/crater/workdir)
Dec 19 06:05:45.217 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 19 06:05:45.217 INFO [stderr]  --> src/gpu.rs:6:5
Dec 19 06:05:45.217 INFO [stderr]   |
Dec 19 06:05:45.217 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 19 06:05:45.217 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 06:05:45.217 INFO [stderr]   |
Dec 19 06:05:45.217 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:05:45.217 INFO [stderr] 
Dec 19 06:05:45.224 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 19 06:05:45.224 INFO [stderr]  --> src/gpu.rs:6:5
Dec 19 06:05:45.224 INFO [stderr]   |
Dec 19 06:05:45.224 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 19 06:05:45.224 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 06:05:45.224 INFO [stderr]   |
Dec 19 06:05:45.224 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:05:45.224 INFO [stderr] 
Dec 19 06:05:45.521 INFO [stderr] warning: unused variable: `root`
Dec 19 06:05:45.521 INFO [stderr]   --> src/main.rs:58:15
Dec 19 06:05:45.521 INFO [stderr]    |
Dec 19 06:05:45.521 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 19 06:05:45.521 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 19 06:05:45.521 INFO [stderr]    |
Dec 19 06:05:45.521 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:05:45.521 INFO [stderr] 
Dec 19 06:05:45.521 INFO [stderr] warning: unused variable: `work`
Dec 19 06:05:45.521 INFO [stderr]   --> src/main.rs:58:31
Dec 19 06:05:45.521 INFO [stderr]    |
Dec 19 06:05:45.521 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 19 06:05:45.521 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 19 06:05:45.521 INFO [stderr] 
Dec 19 06:05:45.521 INFO [stderr] warning: unused variable: `threshold`
Dec 19 06:05:45.521 INFO [stderr]   --> src/main.rs:58:46
Dec 19 06:05:45.521 INFO [stderr]    |
Dec 19 06:05:45.521 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 19 06:05:45.521 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 19 06:05:45.521 INFO [stderr] 
Dec 19 06:05:45.521 INFO [stderr] warning: unused variable: `root`
Dec 19 06:05:45.521 INFO [stderr]   --> src/main.rs:58:15
Dec 19 06:05:45.521 INFO [stderr]    |
Dec 19 06:05:45.521 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 19 06:05:45.522 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 19 06:05:45.522 INFO [stderr]    |
Dec 19 06:05:45.522 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:05:45.522 INFO [stderr] 
Dec 19 06:05:45.522 INFO [stderr] warning: unused variable: `work`
Dec 19 06:05:45.522 INFO [stderr]   --> src/main.rs:58:31
Dec 19 06:05:45.522 INFO [stderr]    |
Dec 19 06:05:45.522 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 19 06:05:45.522 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 19 06:05:45.522 INFO [stderr] 
Dec 19 06:05:45.522 INFO [stderr] warning: unused variable: `threshold`
Dec 19 06:05:45.522 INFO [stderr]   --> src/main.rs:58:46
Dec 19 06:05:45.522 INFO [stderr]    |
Dec 19 06:05:45.522 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 19 06:05:45.522 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 19 06:05:45.522 INFO [stderr] 
Dec 19 06:05:45.576 INFO [stderr] warning: function is never used: `work_value`
Dec 19 06:05:45.576 INFO [stderr]   --> src/main.rs:48:1
Dec 19 06:05:45.576 INFO [stderr]    |
Dec 19 06:05:45.576 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 19 06:05:45.576 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:05:45.576 INFO [stderr]    |
Dec 19 06:05:45.576 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:05:45.576 INFO [stderr] 
Dec 19 06:05:45.576 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 19 06:05:45.576 INFO [stderr]    --> src/main.rs:155:7
Dec 19 06:05:45.576 INFO [stderr]     |
Dec 19 06:05:45.576 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 19 06:05:45.576 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:05:45.576 INFO [stderr] 
Dec 19 06:05:45.599 INFO [stderr] warning: function is never used: `work_value`
Dec 19 06:05:45.599 INFO [stderr]   --> src/main.rs:48:1
Dec 19 06:05:45.599 INFO [stderr]    |
Dec 19 06:05:45.599 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 19 06:05:45.599 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:05:45.599 INFO [stderr]    |
Dec 19 06:05:45.599 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 06:05:45.599 INFO [stderr] 
Dec 19 06:05:45.599 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 19 06:05:45.599 INFO [stderr]    --> src/main.rs:155:7
Dec 19 06:05:45.599 INFO [stderr]     |
Dec 19 06:05:45.599 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 19 06:05:45.599 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:05:45.599 INFO [stderr] 
Dec 19 06:05:45.618 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.93s
Dec 19 06:05:45.918 INFO running `"docker" "inspect" "9fa81f8f182a002e5a51dbe3466f6103a43e477e76efa2d1a99dcc9b645719c0"`
Dec 19 06:05:46.136 INFO running `"docker" "rm" "-f" "9fa81f8f182a002e5a51dbe3466f6103a43e477e76efa2d1a99dcc9b645719c0"`
Dec 19 06:05:46.381 INFO [stdout] 9fa81f8f182a002e5a51dbe3466f6103a43e477e76efa2d1a99dcc9b645719c0