Dec 05 02:40:59.762 INFO testing vitelabs/pow-gpu against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 02:40:59.762 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 05 02:41:00.252 INFO [stdout] 098d749cc72bfcac1bd7c605cba709d5cf84f09a4f025bc4346e16c4fcb503d2
Dec 05 02:41:00.256 INFO running `"docker" "start" "-a" "098d749cc72bfcac1bd7c605cba709d5cf84f09a4f025bc4346e16c4fcb503d2"`
Dec 05 02:41:01.429 INFO [stderr] usermod: no changes
Dec 05 02:41:01.856 INFO [stderr]    Compiling nodrop v0.1.12
Dec 05 02:41:01.864 INFO [stderr]    Compiling cc v1.0.15
Dec 05 02:41:01.876 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 05 02:41:01.880 INFO [stderr]    Compiling constant_time_eq v0.1.3
Dec 05 02:41:01.880 INFO [stderr]    Compiling serde v1.0.45
Dec 05 02:41:01.880 INFO [stderr]    Compiling log v0.4.1
Dec 05 02:41:01.880 INFO [stderr]    Compiling iovec v0.1.2
Dec 05 02:41:01.880 INFO [stderr]    Compiling net2 v0.2.32
Dec 05 02:41:02.624 INFO [stderr]    Compiling atty v0.2.10
Dec 05 02:41:03.200 INFO [stderr]    Compiling num-complex v0.1.43
Dec 05 02:41:03.889 INFO [stderr]    Compiling base64 v0.9.1
Dec 05 02:41:03.964 INFO [stderr]    Compiling qutex v0.2.1
Dec 05 02:41:04.264 INFO [stderr]    Compiling arrayvec v0.4.7
Dec 05 02:41:07.382 INFO [stderr]    Compiling futures-cpupool v0.1.8
Dec 05 02:41:07.407 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 05 02:41:07.488 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 05 02:41:09.336 INFO [stderr]    Compiling tokio-timer v0.2.3
Dec 05 02:41:09.364 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 05 02:41:17.481 INFO [stderr]    Compiling bytes v0.4.7
Dec 05 02:41:17.625 INFO [stderr]    Compiling clap v2.31.2
Dec 05 02:41:17.736 INFO [stderr]    Compiling log v0.3.9
Dec 05 02:41:17.898 INFO [stderr]    Compiling mio v0.6.14
Dec 05 02:41:18.172 INFO [stderr]    Compiling crossbeam-epoch v0.4.1
Dec 05 02:41:19.165 INFO [stderr]    Compiling parking_lot v0.5.5
Dec 05 02:41:27.668 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 05 02:41:27.736 INFO [stderr]    Compiling crypto-mac v0.5.2
Dec 05 02:41:27.882 INFO [stderr]    Compiling digest v0.7.2
Dec 05 02:41:28.004 INFO [stderr]    Compiling num-rational v0.1.42
Dec 05 02:41:28.722 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 05 02:41:28.893 INFO [stderr]    Compiling crossbeam-deque v0.3.1
Dec 05 02:41:29.958 INFO [stderr]    Compiling blake2 v0.7.1
Dec 05 02:41:37.189 INFO [stderr]    Compiling tokio-threadpool v0.1.3
Dec 05 02:41:37.189 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 05 02:41:37.788 INFO [stderr]    Compiling num v0.1.42
Dec 05 02:41:38.680 INFO [stderr]    Compiling ocl-core-vector v0.1.0
Dec 05 02:41:43.196 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 05 02:41:43.196 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 05 02:41:51.402 INFO [stderr]    Compiling tokio-fs v0.1.0
Dec 05 02:41:55.270 INFO [stderr]    Compiling tokio v0.1.6
Dec 05 02:42:11.857 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 05 02:42:18.238 INFO [stderr]    Compiling serde_json v1.0.17
Dec 05 02:42:22.450 INFO [stderr]    Compiling backtrace v0.3.7
Dec 05 02:42:26.110 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 05 02:42:26.730 INFO [stderr]    Compiling failure v0.1.1
Dec 05 02:42:34.809 INFO [stderr]    Compiling hyper v0.11.25
Dec 05 02:42:43.137 INFO [stderr]    Compiling ocl v0.18.0
Dec 05 02:42:56.878 INFO [stderr]    Compiling dpow-work-server v0.1.7 (/source)
Dec 05 02:42:57.688 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 05 02:42:57.688 INFO [stderr]  --> src/gpu.rs:6:5
Dec 05 02:42:57.688 INFO [stderr]   |
Dec 05 02:42:57.688 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 05 02:42:57.688 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 02:42:57.688 INFO [stderr]   |
Dec 05 02:42:57.688 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:42:57.688 INFO [stderr] 
Dec 05 02:42:58.020 INFO [stderr] warning: unused variable: `root`
Dec 05 02:42:58.020 INFO [stderr]   --> src/main.rs:58:15
Dec 05 02:42:58.020 INFO [stderr]    |
Dec 05 02:42:58.020 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 05 02:42:58.020 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 05 02:42:58.020 INFO [stderr]    |
Dec 05 02:42:58.020 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:42:58.020 INFO [stderr] 
Dec 05 02:42:58.020 INFO [stderr] warning: unused variable: `work`
Dec 05 02:42:58.020 INFO [stderr]   --> src/main.rs:58:31
Dec 05 02:42:58.020 INFO [stderr]    |
Dec 05 02:42:58.020 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 05 02:42:58.020 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 05 02:42:58.020 INFO [stderr] 
Dec 05 02:42:58.020 INFO [stderr] warning: unused variable: `threshold`
Dec 05 02:42:58.020 INFO [stderr]   --> src/main.rs:58:46
Dec 05 02:42:58.020 INFO [stderr]    |
Dec 05 02:42:58.020 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 05 02:42:58.020 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 05 02:42:58.020 INFO [stderr] 
Dec 05 02:42:58.100 INFO [stderr] warning: function is never used: `work_value`
Dec 05 02:42:58.100 INFO [stderr]   --> src/main.rs:48:1
Dec 05 02:42:58.100 INFO [stderr]    |
Dec 05 02:42:58.100 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 05 02:42:58.100 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:42:58.100 INFO [stderr]    |
Dec 05 02:42:58.100 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:42:58.100 INFO [stderr] 
Dec 05 02:42:58.100 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 05 02:42:58.100 INFO [stderr]    --> src/main.rs:155:7
Dec 05 02:42:58.100 INFO [stderr]     |
Dec 05 02:42:58.100 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 05 02:42:58.100 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:42:58.100 INFO [stderr] 
Dec 05 02:43:04.120 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 02:43:04.120 INFO [stderr]   |
Dec 05 02:43:04.120 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.0.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.1.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.10.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.11.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.12.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.13.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.14.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.15.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.2.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.3.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.4.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.5.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.6.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.7.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.8.rcgu.o" "/target/debug/deps/dpow_work_server-86924f077eee33bb.dpow_work_server.a9dhayfa-cgu.9.rcgu.o" "-o" "/target/debug/deps/dpow_work_server-86924f077eee33bb" "/target/debug/deps/dpow_work_server-86924f077eee33bb.v6b5qu9wawfe01y.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/target/debug/build/backtrace-sys-ece0f63f25024b42/out/.libs" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libserde_json-7f8499c6aebdcff8.rlib" "/target/debug/deps/libitoa-e76f6cccd1cf8a02.rlib" "/target/debug/deps/libdtoa-030dd9b26df1ed9b.rlib" "/target/debug/deps/libserde-0763c778dc55bc4b.rlib" "/target/debug/deps/libparking_lot-c88dc9e09c5f3cba.rlib" "/target/debug/deps/libparking_lot_core-98a0b62be55c5d86.rlib" "/target/debug/deps/libsmallvec-3aa846bd04826a53.rlib" "/target/debug/deps/libowning_ref-f4a23572591b5951.rlib" "/target/debug/deps/libstable_deref_trait-50e8b174c87b2e60.rlib" "/target/debug/deps/libocl-39bfb4d2ace5ecbb.rlib" "/target/debug/deps/libqutex-b753f87517645e1b.rlib" "/target/debug/deps/libcrossbeam-201a6a06b8ab5c99.rlib" "/target/debug/deps/libocl_core-138a81c1e4a25358.rlib" "/target/debug/deps/libcl_sys-23214d40fcb60ff4.rlib" "/target/debug/deps/libocl_core_vector-1da84d15a31eacc9.rlib" "/target/debug/deps/libnum-8fe774012098cd31.rlib" "/target/debug/deps/libnum_rational-a0abc7436d18a3a1.rlib" "/target/debug/deps/libnum_bigint-89fea7a7c217ae3f.rlib" "/target/debug/deps/libnum_iter-707c157409818b87.rlib" "/target/debug/deps/libnum_integer-df9b9eafff494c1e.rlib" "/target/debug/deps/libnum_complex-da12fdad547b98e3.rlib" "/target/debug/deps/librustc_serialize-e22e73044c68af78.rlib" "/target/debug/deps/libenum_primitive-9696c95216bf66ca.rlib" "/target/debug/deps/libnum_traits-a781f06881682486.rlib" "/target/debug/deps/libfailure-ccb231452e5617df.rlib" "/target/debug/deps/libbacktrace-7711d7eabfb5d999.rlib" "/target/debug/deps/libbacktrace_sys-3bc9dcc77208b5c9.rlib" "/target/debug/deps/librustc_demangle-1e47d6e222b8efd1.rlib" "/target/debug/deps/libnum_traits-725934b3bcf07797.rlib" "/target/debug/deps/libhyper-a88688c28aacd9ab.rlib" "/target/debug/deps/libtokio_proto-cca8faf689da03d5.rlib" "/target/debug/deps/liblog-979abb12a613eff0.rlib" "/target/debug/deps/libtokio_service-dc9e7a6a50b111db.rlib" "/target/debug/deps/libtake-f6908e5eb0b3a3aa.rlib" "/target/debug/deps/libsmallvec-685a3f9f01fad611.rlib" "/target/debug/deps/libslab-01104d46bb6ca05a.rlib" "/target/debug/deps/librand-90bc05aa7c5c4f38.rlib" "/target/debug/deps/libtokio_core-08a86930cbaef105.rlib" "/target/debug/deps/libscoped_tls-01373ffdb619e0ee.rlib" "/target/debug/deps/libtokio-3763f316032afd9d.rlib" "/target/debug/deps/libtokio_udp-8c40bcdd1fe83585.rlib" "/target/debug/deps/libtokio_tcp-747d216dbbe66e53.rlib" "/target/debug/deps/libtokio_timer-28b443d0db026e73.rlib" "/target/debug/deps/libtokio_reactor-fb3b3c4b08f6d06d.rlib" "/target/debug/deps/libtokio_fs-cc8f3c46738946f4.rlib" "/target/debug/deps/libtokio_threadpool-8949729e1adda057.rlib" "/target/debug/deps/librand-1a1b829fd554c10c.rlib" "/target/debug/deps/libcrossbeam_deque-bc52efe4b40c7976.rlib" "/target/debug/deps/libcrossbeam_epoch-28a85b81336846e2.rlib" "/target/debug/deps/libscopeguard-472843e37dfc2ff5.rlib" "/target/debug/deps/libmemoffset-8a6799ef02261275.rlib" "/target/debug/deps/liblazy_static-f52fad1443b0777b.rlib" "/target/debug/deps/libcrossbeam_utils-102554281b62b1e7.rlib" "/target/debug/deps/libarrayvec-ffc0e6c03fded64f.rlib" "/target/debug/deps/libnodrop-c9f6d25de55fde8b.rlib" "/target/debug/deps/libtokio_executor-da7e5d8d0a4eb500.rlib" "/target/debug/deps/libtokio_io-f848645ddb63106f.rlib" "/target/debug/deps/libmio-4e2c1a06eaae2e96.rlib" "/target/debug/deps/libslab-9fb32ff118649f7e.rlib" "/target/debug/deps/libnet2-a30c7998576f923c.rlib" "/target/debug/deps/liblazycell-ea6ba1c652de405c.rlib" "/target/debug/deps/libtime-97c5a877d55e4207.rlib" "/target/debug/deps/librelay-3bf45ce8990209b3.rlib" "/target/debug/deps/libpercent_encoding-200d219f13b5eda6.rlib" "/target/debug/deps/libmime-5f8e733c8d1eef42.rlib" "/target/debug/deps/libunicase-c4cfcc16dd3f7a48.rlib" "/target/debug/deps/liblog-709214faedcc67ca.rlib" "/target/debug/deps/libcfg_if-e35c653d0fdd0f37.rlib" "/target/debug/deps/liblanguage_tags-14f6ba4affb1d292.rlib" "/target/debug/deps/libhttparse-b924a066a579de41.rlib" "/target/debug/deps/libfutures_cpupool-f1c747655961376f.rlib" "/target/debug/deps/libnum_cpus-1d8e9eb1b6d3012b.rlib" "/target/debug/deps/libbytes-9f3bcfa8e443a001.rlib" "/target/debug/deps/libiovec-6574035d905763f1.rlib" "/target/debug/deps/libbase64-bea6595cf1d6befe.rlib" "/target/debug/deps/libsafemem-82a1f3908e0cc242.rlib" "/target/debug/deps/libhex-87b9ab83b465104c.rlib" "/target/debug/deps/libfutures-71e769a50d6e9e07.rlib" "/target/debug/deps/libclap-7ffb29f5aa4f867e.rlib" "/target/debug/deps/libvec_map-24513d63b9107638.rlib" "/target/debug/deps/libtextwrap-39b1913769c3a98d.rlib" "/target/debug/deps/libunicode_width-09a379cba39f9f71.rlib" "/target/debug/deps/libstrsim-ef172fe910565226.rlib" "/target/debug/deps/libbitflags-8e1f772b3b00b16b.rlib" "/target/debug/deps/libatty-02413812b1b1a092.rlib" "/target/debug/deps/liblibc-bcefea82b779f874.rlib" "/target/debug/deps/libansi_term-4b0580498d9900fd.rlib" "/target/debug/deps/libbyteorder-d861f60c2c7ae0a5.rlib" "/target/debug/deps/libblake2-585ed845ceb2680b.rlib" "/target/debug/deps/libcrypto_mac-899177393d69630a.rlib" "/target/debug/deps/libconstant_time_eq-dd4bc5ecf7bdaad6.rlib" "/target/debug/deps/libdigest-d8c4f158558e0532.rlib" "/target/debug/deps/libgeneric_array-6fb170c2bd9baf2c.rlib" "/target/debug/deps/libtypenum-d91bf5a37da0c63f.rlib" "/target/debug/deps/libbyte_tools-e0990319ae79dfbd.rlib" "-Wl,--start-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1783ee7db416cd31.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d52c5951c3cd2e1d.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9a81b01b5e0e175b.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f1a5585a81eb855e.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-0a7b7470c80cad43.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d6e924fd18f7775d.rlib" "-Wl,--end-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0ed18ce3338a020a.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 02:43:04.120 INFO [stderr]   = note: /usr/bin/ld: cannot find -lOpenCL
Dec 05 02:43:04.120 INFO [stderr]           /usr/bin/ld: cannot find -lOpenCL
Dec 05 02:43:04.120 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 02:43:04.120 INFO [stderr]           
Dec 05 02:43:04.120 INFO [stderr] 
Dec 05 02:43:04.120 INFO [stderr] error: aborting due to previous error
Dec 05 02:43:04.120 INFO [stderr] 
Dec 05 02:43:04.140 INFO [stderr] error: Could not compile `dpow-work-server`.
Dec 05 02:43:04.140 INFO [stderr] 
Dec 05 02:43:04.140 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 02:43:04.142 INFO [stderr] su: No module specific data is present
Dec 05 02:43:05.146 INFO running `"docker" "inspect" "098d749cc72bfcac1bd7c605cba709d5cf84f09a4f025bc4346e16c4fcb503d2"`
Dec 05 02:43:05.414 INFO running `"docker" "rm" "-f" "098d749cc72bfcac1bd7c605cba709d5cf84f09a4f025bc4346e16c4fcb503d2"`
Dec 05 02:43:05.700 INFO [stdout] 098d749cc72bfcac1bd7c605cba709d5cf84f09a4f025bc4346e16c4fcb503d2