Dec 04 07:37:36.712 INFO checking vitelabs/pow-gpu against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:37:36.712 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 07:37:37.319 INFO [stdout] 09f802eab930365214a610636e7b63f70121fdec1e9365fbed610c4c37b5df7f
Dec 04 07:37:37.325 INFO running `"docker" "start" "-a" "09f802eab930365214a610636e7b63f70121fdec1e9365fbed610c4c37b5df7f"`
Dec 04 07:37:38.951 INFO [stderr] usermod: no changes
Dec 04 07:37:39.251 INFO [stderr]     Checking nodrop v0.1.12
Dec 04 07:37:39.259 INFO [stderr]    Compiling cc v1.0.15
Dec 04 07:37:39.277 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 04 07:37:39.280 INFO [stderr]     Checking serde v1.0.45
Dec 04 07:37:39.288 INFO [stderr]     Checking log v0.4.1
Dec 04 07:37:39.291 INFO [stderr]     Checking net2 v0.2.32
Dec 04 07:37:39.335 INFO [stderr]     Checking atty v0.2.10
Dec 04 07:37:39.352 INFO [stderr]     Checking qutex v0.2.1
Dec 04 07:37:40.355 INFO [stderr]     Checking base64 v0.9.1
Dec 04 07:37:40.464 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 04 07:37:41.580 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 04 07:37:41.855 INFO [stderr]     Checking num-bigint v0.1.43
Dec 04 07:37:42.059 INFO [stderr]     Checking tokio-timer v0.2.3
Dec 04 07:37:42.903 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 04 07:37:43.249 INFO [stderr]     Checking arrayvec v0.4.7
Dec 04 07:37:44.247 INFO [stderr]     Checking clap v2.31.2
Dec 04 07:37:44.595 INFO [stderr]     Checking tokio-io v0.1.6
Dec 04 07:37:44.617 INFO [stderr]     Checking log v0.3.9
Dec 04 07:37:45.395 INFO [stderr]     Checking mio v0.6.14
Dec 04 07:37:46.041 INFO [stderr]     Checking parking_lot v0.5.5
Dec 04 07:37:52.091 INFO [stderr]     Checking digest v0.7.2
Dec 04 07:37:52.151 INFO [stderr]     Checking crossbeam-epoch v0.4.1
Dec 04 07:37:52.403 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 04 07:37:52.791 INFO [stderr]     Checking blake2 v0.7.1
Dec 04 07:37:53.863 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 07:37:55.012 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 04 07:37:55.431 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 04 07:37:57.573 INFO [stderr]     Checking num v0.1.42
Dec 04 07:37:57.924 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 04 07:37:58.274 INFO [stderr]     Checking ocl-core-vector v0.1.0
Dec 04 07:37:58.952 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 04 07:37:58.952 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 04 07:38:04.088 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 04 07:38:05.684 INFO [stderr]     Checking tokio v0.1.6
Dec 04 07:38:09.637 INFO [stderr]     Checking tokio-core v0.1.17
Dec 04 07:38:15.035 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 07:38:24.044 INFO [stderr]     Checking hyper v0.11.25
Dec 04 07:38:24.967 INFO [stderr]     Checking backtrace v0.3.7
Dec 04 07:38:25.463 INFO [stderr]     Checking failure v0.1.1
Dec 04 07:38:28.356 INFO [stderr]     Checking serde_json v1.0.17
Dec 04 07:38:33.099 INFO [stderr]     Checking ocl v0.18.0
Dec 04 07:38:36.211 INFO [stderr]     Checking dpow-work-server v0.1.7 (/source)
Dec 04 07:38:37.371 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 04 07:38:37.371 INFO [stderr]  --> src/gpu.rs:6:5
Dec 04 07:38:37.371 INFO [stderr]   |
Dec 04 07:38:37.371 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 04 07:38:37.371 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 07:38:37.371 INFO [stderr]   |
Dec 04 07:38:37.371 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 07:38:37.371 INFO [stderr] 
Dec 04 07:38:37.407 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 04 07:38:37.407 INFO [stderr]  --> src/gpu.rs:6:5
Dec 04 07:38:37.407 INFO [stderr]   |
Dec 04 07:38:37.407 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 04 07:38:37.407 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 07:38:37.407 INFO [stderr]   |
Dec 04 07:38:37.407 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 07:38:37.407 INFO [stderr] 
Dec 04 07:38:37.740 INFO [stderr] warning: unused variable: `root`
Dec 04 07:38:37.740 INFO [stderr]   --> src/main.rs:58:15
Dec 04 07:38:37.740 INFO [stderr]    |
Dec 04 07:38:37.740 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 04 07:38:37.740 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 04 07:38:37.740 INFO [stderr]    |
Dec 04 07:38:37.740 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 07:38:37.740 INFO [stderr] 
Dec 04 07:38:37.740 INFO [stderr] warning: unused variable: `work`
Dec 04 07:38:37.740 INFO [stderr]   --> src/main.rs:58:31
Dec 04 07:38:37.740 INFO [stderr]    |
Dec 04 07:38:37.740 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 04 07:38:37.740 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 04 07:38:37.740 INFO [stderr] 
Dec 04 07:38:37.740 INFO [stderr] warning: unused variable: `threshold`
Dec 04 07:38:37.740 INFO [stderr]   --> src/main.rs:58:46
Dec 04 07:38:37.740 INFO [stderr]    |
Dec 04 07:38:37.740 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 04 07:38:37.740 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 04 07:38:37.740 INFO [stderr] 
Dec 04 07:38:37.819 INFO [stderr] warning: unused variable: `root`
Dec 04 07:38:37.819 INFO [stderr]   --> src/main.rs:58:15
Dec 04 07:38:37.819 INFO [stderr]    |
Dec 04 07:38:37.819 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 04 07:38:37.819 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 04 07:38:37.819 INFO [stderr]    |
Dec 04 07:38:37.819 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 07:38:37.819 INFO [stderr] 
Dec 04 07:38:37.819 INFO [stderr] warning: unused variable: `work`
Dec 04 07:38:37.819 INFO [stderr]   --> src/main.rs:58:31
Dec 04 07:38:37.819 INFO [stderr]    |
Dec 04 07:38:37.819 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 04 07:38:37.819 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 04 07:38:37.819 INFO [stderr] 
Dec 04 07:38:37.819 INFO [stderr] warning: unused variable: `threshold`
Dec 04 07:38:37.819 INFO [stderr]   --> src/main.rs:58:46
Dec 04 07:38:37.819 INFO [stderr]    |
Dec 04 07:38:37.819 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 04 07:38:37.819 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 04 07:38:37.819 INFO [stderr] 
Dec 04 07:38:37.831 INFO [stderr] warning: function is never used: `work_value`
Dec 04 07:38:37.831 INFO [stderr]   --> src/main.rs:48:1
Dec 04 07:38:37.831 INFO [stderr]    |
Dec 04 07:38:37.831 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 04 07:38:37.831 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:38:37.831 INFO [stderr]    |
Dec 04 07:38:37.831 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:38:37.831 INFO [stderr] 
Dec 04 07:38:37.831 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 04 07:38:37.831 INFO [stderr]    --> src/main.rs:155:7
Dec 04 07:38:37.831 INFO [stderr]     |
Dec 04 07:38:37.831 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 04 07:38:37.831 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:38:37.831 INFO [stderr] 
Dec 04 07:38:37.919 INFO [stderr] warning: function is never used: `work_value`
Dec 04 07:38:37.919 INFO [stderr]   --> src/main.rs:48:1
Dec 04 07:38:37.919 INFO [stderr]    |
Dec 04 07:38:37.919 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 04 07:38:37.919 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:38:37.919 INFO [stderr]    |
Dec 04 07:38:37.919 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:38:37.919 INFO [stderr] 
Dec 04 07:38:37.919 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 04 07:38:37.919 INFO [stderr]    --> src/main.rs:155:7
Dec 04 07:38:37.919 INFO [stderr]     |
Dec 04 07:38:37.919 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 04 07:38:37.919 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:38:37.919 INFO [stderr] 
Dec 04 07:38:37.987 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.01s
Dec 04 07:38:38.007 INFO [stderr] su: No module specific data is present
Dec 04 07:38:38.655 INFO running `"docker" "inspect" "09f802eab930365214a610636e7b63f70121fdec1e9365fbed610c4c37b5df7f"`
Dec 04 07:38:38.991 INFO running `"docker" "rm" "-f" "09f802eab930365214a610636e7b63f70121fdec1e9365fbed610c4c37b5df7f"`
Dec 04 07:38:39.283 INFO [stdout] 09f802eab930365214a610636e7b63f70121fdec1e9365fbed610c4c37b5df7f