Dec 11 06:43:35.421 INFO checking vitelabs/pow-gpu against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:43:35.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 06:43:35.904 INFO [stdout] 245b20cf25cc79403d74117337661273d78aff97753cc8f68f3b8b9629e3a6b2
Dec 11 06:43:35.906 INFO running `"docker" "start" "-a" "245b20cf25cc79403d74117337661273d78aff97753cc8f68f3b8b9629e3a6b2"`
Dec 11 06:43:37.964 INFO [stderr] usermod: no changes
Dec 11 06:43:38.300 INFO [stderr]     Checking nodrop v0.1.12
Dec 11 06:43:38.304 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 11 06:43:38.304 INFO [stderr]     Checking serde v1.0.45
Dec 11 06:43:38.312 INFO [stderr]     Checking log v0.4.1
Dec 11 06:43:38.328 INFO [stderr]     Checking net2 v0.2.32
Dec 11 06:43:38.328 INFO [stderr]     Checking atty v0.2.10
Dec 11 06:43:38.328 INFO [stderr]     Checking num-complex v0.1.43
Dec 11 06:43:38.335 INFO [stderr]     Checking base64 v0.9.1
Dec 11 06:43:39.540 INFO [stderr]     Checking qutex v0.2.1
Dec 11 06:43:39.708 INFO [stderr]     Checking bytes v0.4.7
Dec 11 06:43:40.253 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 11 06:43:40.839 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 11 06:43:40.860 INFO [stderr]     Checking num-bigint v0.1.43
Dec 11 06:43:41.976 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 11 06:43:42.092 INFO [stderr]     Checking arrayvec v0.4.7
Dec 11 06:43:42.895 INFO [stderr]     Checking clap v2.31.2
Dec 11 06:43:43.316 INFO [stderr]     Checking log v0.3.9
Dec 11 06:43:44.790 INFO [stderr]     Checking mio v0.6.14
Dec 11 06:43:45.008 INFO [stderr]     Checking parking_lot v0.5.5
Dec 11 06:43:45.819 INFO [stderr]     Checking tokio-io v0.1.6
Dec 11 06:43:47.102 INFO [stderr]     Checking digest v0.7.2
Dec 11 06:43:47.402 INFO [stderr]     Checking failure v0.1.1
Dec 11 06:43:48.066 INFO [stderr]     Checking crossbeam-epoch v0.4.1
Dec 11 06:43:48.972 INFO [stderr]     Checking blake2 v0.7.1
Dec 11 06:43:49.424 INFO [stderr]     Checking num-rational v0.1.42
Dec 11 06:43:51.194 INFO [stderr]     Checking crossbeam-deque v0.3.1
Dec 11 06:43:52.172 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 11 06:43:52.358 INFO [stderr]     Checking num v0.1.42
Dec 11 06:43:52.856 INFO [stderr]     Checking ocl-core-vector v0.1.0
Dec 11 06:43:52.968 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 11 06:43:55.066 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 11 06:43:55.067 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 11 06:43:58.576 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 11 06:43:59.924 INFO [stderr]     Checking tokio v0.1.6
Dec 11 06:44:02.686 INFO [stderr]     Checking tokio-core v0.1.17
Dec 11 06:44:06.064 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 06:44:11.997 INFO [stderr]     Checking hyper v0.11.25
Dec 11 06:44:15.530 INFO [stderr]     Checking serde_json v1.0.17
Dec 11 06:44:22.619 INFO [stderr]     Checking ocl v0.18.0
Dec 11 06:44:26.820 INFO [stderr]     Checking dpow-work-server v0.1.7 (/source)
Dec 11 06:44:27.632 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 11 06:44:27.632 INFO [stderr]  --> src/gpu.rs:6:5
Dec 11 06:44:27.632 INFO [stderr]   |
Dec 11 06:44:27.632 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 11 06:44:27.632 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 06:44:27.632 INFO [stderr]   |
Dec 11 06:44:27.632 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 06:44:27.632 INFO [stderr] 
Dec 11 06:44:27.632 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 11 06:44:27.632 INFO [stderr]  --> src/gpu.rs:6:5
Dec 11 06:44:27.632 INFO [stderr]   |
Dec 11 06:44:27.632 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 11 06:44:27.632 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 06:44:27.632 INFO [stderr]   |
Dec 11 06:44:27.632 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 06:44:27.632 INFO [stderr] 
Dec 11 06:44:27.952 INFO [stderr] warning: unused variable: `root`
Dec 11 06:44:27.952 INFO [stderr]   --> src/main.rs:58:15
Dec 11 06:44:27.952 INFO [stderr]    |
Dec 11 06:44:27.952 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 11 06:44:27.952 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 11 06:44:27.952 INFO [stderr]    |
Dec 11 06:44:27.952 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 06:44:27.952 INFO [stderr] 
Dec 11 06:44:27.952 INFO [stderr] warning: unused variable: `work`
Dec 11 06:44:27.952 INFO [stderr]   --> src/main.rs:58:31
Dec 11 06:44:27.952 INFO [stderr]    |
Dec 11 06:44:27.952 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 11 06:44:27.952 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 11 06:44:27.952 INFO [stderr] 
Dec 11 06:44:27.952 INFO [stderr] warning: unused variable: `threshold`
Dec 11 06:44:27.952 INFO [stderr]   --> src/main.rs:58:46
Dec 11 06:44:27.952 INFO [stderr]    |
Dec 11 06:44:27.952 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 11 06:44:27.952 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 11 06:44:27.954 INFO [stderr] 
Dec 11 06:44:27.954 INFO [stderr] warning: unused variable: `root`
Dec 11 06:44:27.954 INFO [stderr]   --> src/main.rs:58:15
Dec 11 06:44:27.954 INFO [stderr]    |
Dec 11 06:44:27.954 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 11 06:44:27.954 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 11 06:44:27.954 INFO [stderr]    |
Dec 11 06:44:27.954 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 06:44:27.954 INFO [stderr] 
Dec 11 06:44:27.954 INFO [stderr] warning: unused variable: `work`
Dec 11 06:44:27.954 INFO [stderr]   --> src/main.rs:58:31
Dec 11 06:44:27.954 INFO [stderr]    |
Dec 11 06:44:27.954 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 11 06:44:27.954 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 11 06:44:27.954 INFO [stderr] 
Dec 11 06:44:27.954 INFO [stderr] warning: unused variable: `threshold`
Dec 11 06:44:27.954 INFO [stderr]   --> src/main.rs:58:46
Dec 11 06:44:27.954 INFO [stderr]    |
Dec 11 06:44:27.954 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 11 06:44:27.954 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 11 06:44:27.954 INFO [stderr] 
Dec 11 06:44:28.026 INFO [stderr] warning: function is never used: `work_value`
Dec 11 06:44:28.026 INFO [stderr]   --> src/main.rs:48:1
Dec 11 06:44:28.032 INFO [stderr]    |
Dec 11 06:44:28.032 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 11 06:44:28.032 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:44:28.032 INFO [stderr]    |
Dec 11 06:44:28.032 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 06:44:28.032 INFO [stderr] 
Dec 11 06:44:28.032 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 11 06:44:28.032 INFO [stderr]    --> src/main.rs:155:7
Dec 11 06:44:28.032 INFO [stderr]     |
Dec 11 06:44:28.032 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 11 06:44:28.032 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:44:28.032 INFO [stderr] 
Dec 11 06:44:28.044 INFO [stderr] warning: function is never used: `work_value`
Dec 11 06:44:28.044 INFO [stderr]   --> src/main.rs:48:1
Dec 11 06:44:28.044 INFO [stderr]    |
Dec 11 06:44:28.044 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 11 06:44:28.044 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:44:28.044 INFO [stderr]    |
Dec 11 06:44:28.044 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 06:44:28.044 INFO [stderr] 
Dec 11 06:44:28.052 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 11 06:44:28.052 INFO [stderr]    --> src/main.rs:155:7
Dec 11 06:44:28.052 INFO [stderr]     |
Dec 11 06:44:28.052 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 11 06:44:28.052 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:44:28.052 INFO [stderr] 
Dec 11 06:44:28.085 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.10s
Dec 11 06:44:28.098 INFO [stderr] su: No module specific data is present
Dec 11 06:44:28.394 INFO running `"docker" "inspect" "245b20cf25cc79403d74117337661273d78aff97753cc8f68f3b8b9629e3a6b2"`
Dec 11 06:44:28.536 INFO running `"docker" "rm" "-f" "245b20cf25cc79403d74117337661273d78aff97753cc8f68f3b8b9629e3a6b2"`
Dec 11 06:44:28.647 INFO [stdout] 245b20cf25cc79403d74117337661273d78aff97753cc8f68f3b8b9629e3a6b2