Dec 05 02:41:00.066 INFO testing vitelabs/pow-gpu against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 02:41:00.066 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 02:41:00.604 INFO [stdout] 6a5d1b84c4947a9b52a0e55c5bd3460ff1240c2a8453e445bc987359fc25b328
Dec 05 02:41:00.612 INFO running `"docker" "start" "-a" "6a5d1b84c4947a9b52a0e55c5bd3460ff1240c2a8453e445bc987359fc25b328"`
Dec 05 02:41:02.261 INFO [stderr] usermod: no changes
Dec 05 02:41:02.576 INFO [stderr]    Compiling nodrop v0.1.12
Dec 05 02:41:02.578 INFO [stderr]    Compiling num-traits v0.2.2
Dec 05 02:41:02.580 INFO [stderr]    Compiling serde v1.0.45
Dec 05 02:41:02.584 INFO [stderr]    Compiling net2 v0.2.32
Dec 05 02:41:02.588 INFO [stderr]    Compiling qutex v0.2.1
Dec 05 02:41:02.588 INFO [stderr]    Compiling log v0.3.9
Dec 05 02:41:02.601 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 05 02:41:02.601 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 05 02:41:03.957 INFO [stderr]    Compiling clap v2.31.2
Dec 05 02:41:04.664 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 05 02:41:05.436 INFO [stderr]    Compiling arrayvec v0.4.7
Dec 05 02:41:06.893 INFO [stderr]    Compiling backtrace v0.3.7
Dec 05 02:41:08.284 INFO [stderr]    Compiling blake2 v0.7.1
Dec 05 02:41:08.306 INFO [stderr]    Compiling mio v0.6.14
Dec 05 02:41:13.416 INFO [stderr]    Compiling crossbeam-epoch v0.4.1
Dec 05 02:41:13.416 INFO [stderr]    Compiling failure v0.1.1
Dec 05 02:41:13.530 INFO [stderr]    Compiling num-integer v0.1.36
Dec 05 02:41:13.673 INFO [stderr]    Compiling num-complex v0.1.43
Dec 05 02:41:14.532 INFO [stderr]    Compiling num-traits v0.1.43
Dec 05 02:41:15.613 INFO [stderr]    Compiling num-bigint v0.1.43
Dec 05 02:41:15.617 INFO [stderr]    Compiling num-iter v0.1.35
Dec 05 02:41:17.132 INFO [stderr]    Compiling enum_primitive v0.1.1
Dec 05 02:41:20.226 INFO [stderr]    Compiling crossbeam-deque v0.3.1
Dec 05 02:41:23.378 INFO [stderr]    Compiling tokio-threadpool v0.1.3
Dec 05 02:41:23.630 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 05 02:41:30.409 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 05 02:41:30.574 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 05 02:41:30.748 INFO [stderr]    Compiling num-rational v0.1.42
Dec 05 02:41:36.034 INFO [stderr]    Compiling tokio-fs v0.1.0
Dec 05 02:41:38.066 INFO [stderr]    Compiling num v0.1.42
Dec 05 02:41:38.844 INFO [stderr]    Compiling ocl-core-vector v0.1.0
Dec 05 02:41:38.977 INFO [stderr]    Compiling tokio v0.1.6
Dec 05 02:41:46.810 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 05 02:42:01.802 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 05 02:42:02.638 INFO [stderr]    Compiling serde_json v1.0.17
Dec 05 02:42:08.986 INFO [stderr]    Compiling hyper v0.11.25
Dec 05 02:42:27.417 INFO [stderr]    Compiling ocl v0.18.0
Dec 05 02:42:40.524 INFO [stderr]    Compiling dpow-work-server v0.1.7 (/source)
Dec 05 02:42:41.453 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 05 02:42:41.453 INFO [stderr]  --> src/gpu.rs:6:5
Dec 05 02:42:41.453 INFO [stderr]   |
Dec 05 02:42:41.454 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 05 02:42:41.454 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 02:42:41.454 INFO [stderr]   |
Dec 05 02:42:41.454 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:42:41.455 INFO [stderr] 
Dec 05 02:42:41.880 INFO [stderr] warning: unused variable: `root`
Dec 05 02:42:41.880 INFO [stderr]   --> src/main.rs:58:15
Dec 05 02:42:41.880 INFO [stderr]    |
Dec 05 02:42:41.880 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 05 02:42:41.880 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 05 02:42:41.880 INFO [stderr]    |
Dec 05 02:42:41.880 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:42:41.880 INFO [stderr] 
Dec 05 02:42:41.880 INFO [stderr] warning: unused variable: `work`
Dec 05 02:42:41.880 INFO [stderr]   --> src/main.rs:58:31
Dec 05 02:42:41.880 INFO [stderr]    |
Dec 05 02:42:41.880 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 05 02:42:41.880 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 05 02:42:41.880 INFO [stderr] 
Dec 05 02:42:41.880 INFO [stderr] warning: unused variable: `threshold`
Dec 05 02:42:41.880 INFO [stderr]   --> src/main.rs:58:46
Dec 05 02:42:41.880 INFO [stderr]    |
Dec 05 02:42:41.880 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 05 02:42:41.880 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 05 02:42:41.880 INFO [stderr] 
Dec 05 02:42:41.954 INFO [stderr] warning: function is never used: `work_value`
Dec 05 02:42:41.954 INFO [stderr]   --> src/main.rs:48:1
Dec 05 02:42:41.954 INFO [stderr]    |
Dec 05 02:42:41.954 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 05 02:42:41.954 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:42:41.954 INFO [stderr]    |
Dec 05 02:42:41.954 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:42:41.954 INFO [stderr] 
Dec 05 02:42:41.954 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 05 02:42:41.954 INFO [stderr]    --> src/main.rs:155:7
Dec 05 02:42:41.954 INFO [stderr]     |
Dec 05 02:42:41.954 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 05 02:42:41.954 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:42:41.954 INFO [stderr] 
Dec 05 02:42:47.004 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 02:42:47.005 INFO [stderr]   |
Dec 05 02:42:47.006 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.0.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.1.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.10.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.11.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.12.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.13.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.14.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.15.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.2.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.3.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.4.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.5.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.6.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.7.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.8.rcgu.o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.dpow_work_server.3scenb8c-cgu.9.rcgu.o" "-o" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db" "/target/debug/deps/dpow_work_server-5fe2157ebe9f45db.4msd16mhyeexbc3t.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/target/debug/build/backtrace-sys-a0cfe9ea762f5c78/out/.libs" "-L" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libserde_json-5799a5e6f7531942.rlib" "/target/debug/deps/libitoa-a59d7913d6ce3103.rlib" "/target/debug/deps/libdtoa-e8d3d19c4b03c9ce.rlib" "/target/debug/deps/libserde-7b7ad2064c1921a7.rlib" "/target/debug/deps/libparking_lot-ff0e9690d97e6ce3.rlib" "/target/debug/deps/libparking_lot_core-0f0669e497aa510d.rlib" "/target/debug/deps/libsmallvec-dcec67699977ea28.rlib" "/target/debug/deps/libowning_ref-439c021daed96e66.rlib" "/target/debug/deps/libstable_deref_trait-9be134fb2aec0dcf.rlib" "/target/debug/deps/libocl-402d73dbb005ce19.rlib" "/target/debug/deps/libqutex-7814d638330f9a69.rlib" "/target/debug/deps/libcrossbeam-35eca78faad3d2b3.rlib" "/target/debug/deps/libocl_core-bd9237ccb6f53006.rlib" "/target/debug/deps/libcl_sys-2381679b388ce59c.rlib" "/target/debug/deps/libocl_core_vector-22e032029ef0a0fd.rlib" "/target/debug/deps/libnum-4a645bfd0bf035a1.rlib" "/target/debug/deps/libnum_rational-306f8a0ec29194d8.rlib" "/target/debug/deps/libnum_bigint-80341b11105f8d08.rlib" "/target/debug/deps/libnum_iter-3fc0354426816306.rlib" "/target/debug/deps/libnum_integer-03475e8be9c7da67.rlib" "/target/debug/deps/libnum_complex-18e744a1ec0b0939.rlib" "/target/debug/deps/librustc_serialize-b2ada840e49e191d.rlib" "/target/debug/deps/libenum_primitive-fea1f6db0121f449.rlib" "/target/debug/deps/libnum_traits-cda8f3f8d813def4.rlib" "/target/debug/deps/libfailure-c7ad1f6a463872a9.rlib" "/target/debug/deps/libbacktrace-8bc8e50d4d7af56b.rlib" "/target/debug/deps/libbacktrace_sys-36b5aeecccc11a2c.rlib" "/target/debug/deps/librustc_demangle-74e5423f9e46e823.rlib" "/target/debug/deps/libnum_traits-9f58d30b2d6fed5e.rlib" "/target/debug/deps/libhyper-f877814819951cdd.rlib" "/target/debug/deps/libtokio_proto-25c9180b16b76713.rlib" "/target/debug/deps/liblog-0de28a87e32789d4.rlib" "/target/debug/deps/libtokio_service-ab7839b943479b76.rlib" "/target/debug/deps/libtake-52e3848706b88293.rlib" "/target/debug/deps/libsmallvec-6a968587e6f30bb4.rlib" "/target/debug/deps/libslab-62ee54adce8d1382.rlib" "/target/debug/deps/librand-c50188f11a55f9e6.rlib" "/target/debug/deps/libtokio_core-63c9251dec3b6ba9.rlib" "/target/debug/deps/libscoped_tls-cf86afb42a8e2c23.rlib" "/target/debug/deps/libtokio-5ad31b324da6585b.rlib" "/target/debug/deps/libtokio_udp-3652159fc9e44a71.rlib" "/target/debug/deps/libtokio_tcp-1a3a397f071505de.rlib" "/target/debug/deps/libtokio_timer-fd970ca7171d0f03.rlib" "/target/debug/deps/libtokio_reactor-213bde8e9e7459d0.rlib" "/target/debug/deps/libtokio_fs-4d1648254337b5bd.rlib" "/target/debug/deps/libtokio_threadpool-63e8a63d2e4c6a6f.rlib" "/target/debug/deps/librand-ad3eedd4d5ad8207.rlib" "/target/debug/deps/libcrossbeam_deque-fdc776e9f97f0626.rlib" "/target/debug/deps/libcrossbeam_epoch-48935aad4ffcbb9d.rlib" "/target/debug/deps/libscopeguard-b8a53ee314309f74.rlib" "/target/debug/deps/libmemoffset-d88f64a0f1ca3d1d.rlib" "/target/debug/deps/liblazy_static-762ad742984d2645.rlib" "/target/debug/deps/libcrossbeam_utils-2db2cdb77065ae69.rlib" "/target/debug/deps/libarrayvec-74c89f99b3d10bb3.rlib" "/target/debug/deps/libnodrop-cb7bb86bdd775859.rlib" "/target/debug/deps/libtokio_executor-a63de940b2fc4bde.rlib" "/target/debug/deps/libtokio_io-c55135df2b02af68.rlib" "/target/debug/deps/libmio-0aabbfcefc1a4c72.rlib" "/target/debug/deps/libslab-be96b58fa8a88623.rlib" "/target/debug/deps/libnet2-93837dce32f535ef.rlib" "/target/debug/deps/liblazycell-0c35dd46b4e169bb.rlib" "/target/debug/deps/libtime-f127db36d26179de.rlib" "/target/debug/deps/librelay-4db13d4a9f7d1fda.rlib" "/target/debug/deps/libpercent_encoding-13b5339c9e575fc6.rlib" "/target/debug/deps/libmime-5ead2c8680a60ecf.rlib" "/target/debug/deps/libunicase-c6b141cfdde8183e.rlib" "/target/debug/deps/liblog-cbb0cd37f3bf2fa5.rlib" "/target/debug/deps/libcfg_if-f689d5909774bf80.rlib" "/target/debug/deps/liblanguage_tags-529db219704c2b6a.rlib" "/target/debug/deps/libhttparse-5deab7441a5a5de1.rlib" "/target/debug/deps/libfutures_cpupool-f9a0c3e2fd6c36fb.rlib" "/target/debug/deps/libnum_cpus-5dc87218f637046d.rlib" "/target/debug/deps/libbytes-6cd3eca3fd3cd662.rlib" "/target/debug/deps/libiovec-c630702cbd46ff6d.rlib" "/target/debug/deps/libbase64-abf8bab99028eebd.rlib" "/target/debug/deps/libsafemem-532d92b2f6e7f174.rlib" "/target/debug/deps/libhex-2c7a55cca4d7d3ba.rlib" "/target/debug/deps/libfutures-5acc4d88472166a6.rlib" "/target/debug/deps/libclap-89b13491f5e18868.rlib" "/target/debug/deps/libvec_map-158e810620be4936.rlib" "/target/debug/deps/libtextwrap-28a4f80f10dab520.rlib" "/target/debug/deps/libunicode_width-a3230bf10e12010e.rlib" "/target/debug/deps/libstrsim-5b2d4f146f682e98.rlib" "/target/debug/deps/libbitflags-b7f82d90e3828311.rlib" "/target/debug/deps/libatty-844d8b6c2f9254a3.rlib" "/target/debug/deps/liblibc-9f0f84760eaeeb76.rlib" "/target/debug/deps/libansi_term-2b5ee43d6a834dc0.rlib" "/target/debug/deps/libbyteorder-bbd5ad0c2f7fff66.rlib" "/target/debug/deps/libblake2-a7b76ccf6d7abd5b.rlib" "/target/debug/deps/libcrypto_mac-18a5d1800c18c81b.rlib" "/target/debug/deps/libconstant_time_eq-edb813b33b37e74e.rlib" "/target/debug/deps/libdigest-14c3a653a747d744.rlib" "/target/debug/deps/libgeneric_array-6473c212ed79a7bd.rlib" "/target/debug/deps/libtypenum-12b4c362dfaa50de.rlib" "/target/debug/deps/libbyte_tools-8e89f7f2f9a2085a.rlib" "-Wl,--start-group" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e972c2420364a4db.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-55db828da3f253f9.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-70134419af0c02d4.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-85dd988f6e224ab0.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-35e5ecdfebfa7d5c.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-10fd134b0cf006a8.rlib" "-Wl,--end-group" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1306eac77b02d077.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 02:42:47.006 INFO [stderr]   = note: /usr/bin/ld: cannot find -lOpenCL
Dec 05 02:42:47.006 INFO [stderr]           /usr/bin/ld: cannot find -lOpenCL
Dec 05 02:42:47.006 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 02:42:47.006 INFO [stderr]           
Dec 05 02:42:47.006 INFO [stderr] 
Dec 05 02:42:47.009 INFO [stderr] error: aborting due to previous error
Dec 05 02:42:47.009 INFO [stderr] 
Dec 05 02:42:47.045 INFO [stderr] error: Could not compile `dpow-work-server`.
Dec 05 02:42:47.045 INFO [stderr] 
Dec 05 02:42:47.045 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 02:42:47.048 INFO [stderr] su: No module specific data is present
Dec 05 02:42:48.471 INFO running `"docker" "inspect" "6a5d1b84c4947a9b52a0e55c5bd3460ff1240c2a8453e445bc987359fc25b328"`
Dec 05 02:42:48.854 INFO running `"docker" "rm" "-f" "6a5d1b84c4947a9b52a0e55c5bd3460ff1240c2a8453e445bc987359fc25b328"`
Dec 05 02:42:49.240 INFO [stdout] 6a5d1b84c4947a9b52a0e55c5bd3460ff1240c2a8453e445bc987359fc25b328