Dec 12 22:16:58.228 INFO testing vitelabs/pow-gpu against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 22:16:58.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 12 22:16:58.711 INFO [stdout] 4675512454be58cc0e2ee169235d626874a994d814ec3430c39c7d1110357a6c
Dec 12 22:16:58.713 INFO running `"docker" "start" "-a" "4675512454be58cc0e2ee169235d626874a994d814ec3430c39c7d1110357a6c"`
Dec 12 22:17:00.298 INFO [stderr] usermod: no changes
Dec 12 22:17:00.631 INFO [stderr]    Compiling nodrop v0.1.12
Dec 12 22:17:00.651 INFO [stderr]    Compiling serde v1.0.45
Dec 12 22:17:00.651 INFO [stderr]    Compiling hex v0.3.2
Dec 12 22:17:00.651 INFO [stderr]    Compiling net2 v0.2.32
Dec 12 22:17:00.672 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 12 22:17:00.675 INFO [stderr]    Compiling qutex v0.2.1
Dec 12 22:17:00.675 INFO [stderr]    Compiling base64 v0.9.1
Dec 12 22:17:00.675 INFO [stderr]    Compiling bytes v0.4.7
Dec 12 22:17:01.626 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 12 22:17:07.063 INFO [stderr]    Compiling futures-cpupool v0.1.8
Dec 12 22:17:07.069 INFO [stderr]    Compiling log v0.3.9
Dec 12 22:17:07.191 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 12 22:17:07.191 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 12 22:17:07.318 INFO [stderr]    Compiling clap v2.31.2
Dec 12 22:17:11.299 INFO [stderr]    Compiling arrayvec v0.4.7
Dec 12 22:17:11.495 INFO [stderr]    Compiling mio v0.6.14
Dec 12 22:17:11.631 INFO [stderr]    Compiling parking_lot v0.5.5
Dec 12 22:17:12.143 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 12 22:17:18.737 INFO [stderr]    Compiling crossbeam-epoch v0.4.1
Dec 12 22:17:18.751 INFO [stderr]    Compiling ocl-core-vector v0.1.0
Dec 12 22:17:18.751 INFO [stderr]    Compiling blake2 v0.7.1
Dec 12 22:17:25.564 INFO [stderr]    Compiling crossbeam-deque v0.3.1
Dec 12 22:17:30.108 INFO [stderr]    Compiling tokio-threadpool v0.1.3
Dec 12 22:17:30.493 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 12 22:17:36.163 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 12 22:17:36.163 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 12 22:17:43.175 INFO [stderr]    Compiling tokio-fs v0.1.0
Dec 12 22:17:46.819 INFO [stderr]    Compiling tokio v0.1.6
Dec 12 22:17:49.775 INFO [stderr]    Compiling backtrace v0.3.7
Dec 12 22:17:57.205 INFO [stderr]    Compiling failure v0.1.1
Dec 12 22:18:01.564 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 12 22:18:13.728 INFO [stderr]    Compiling serde_json v1.0.17
Dec 12 22:18:16.088 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 12 22:18:22.075 INFO [stderr]    Compiling hyper v0.11.25
Dec 12 22:18:31.387 INFO [stderr]    Compiling ocl v0.18.0
Dec 12 22:18:46.907 INFO [stderr]    Compiling dpow-work-server v0.1.7 (/source)
Dec 12 22:18:47.823 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 12 22:18:47.823 INFO [stderr]  --> src/gpu.rs:6:5
Dec 12 22:18:47.823 INFO [stderr]   |
Dec 12 22:18:47.823 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 12 22:18:47.823 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 22:18:47.823 INFO [stderr]   |
Dec 12 22:18:47.823 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 22:18:47.823 INFO [stderr] 
Dec 12 22:18:48.179 INFO [stderr] warning: unused variable: `root`
Dec 12 22:18:48.179 INFO [stderr]   --> src/main.rs:58:15
Dec 12 22:18:48.179 INFO [stderr]    |
Dec 12 22:18:48.179 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 12 22:18:48.179 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 12 22:18:48.179 INFO [stderr]    |
Dec 12 22:18:48.179 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 22:18:48.179 INFO [stderr] 
Dec 12 22:18:48.179 INFO [stderr] warning: unused variable: `work`
Dec 12 22:18:48.179 INFO [stderr]   --> src/main.rs:58:31
Dec 12 22:18:48.179 INFO [stderr]    |
Dec 12 22:18:48.179 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 12 22:18:48.179 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 12 22:18:48.179 INFO [stderr] 
Dec 12 22:18:48.179 INFO [stderr] warning: unused variable: `threshold`
Dec 12 22:18:48.179 INFO [stderr]   --> src/main.rs:58:46
Dec 12 22:18:48.179 INFO [stderr]    |
Dec 12 22:18:48.179 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 12 22:18:48.179 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 12 22:18:48.179 INFO [stderr] 
Dec 12 22:18:48.259 INFO [stderr] warning: function is never used: `work_value`
Dec 12 22:18:48.259 INFO [stderr]   --> src/main.rs:48:1
Dec 12 22:18:48.259 INFO [stderr]    |
Dec 12 22:18:48.259 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 12 22:18:48.259 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:18:48.259 INFO [stderr]    |
Dec 12 22:18:48.259 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 22:18:48.259 INFO [stderr] 
Dec 12 22:18:48.259 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 12 22:18:48.259 INFO [stderr]    --> src/main.rs:155:7
Dec 12 22:18:48.259 INFO [stderr]     |
Dec 12 22:18:48.259 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 12 22:18:48.259 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:18:48.259 INFO [stderr] 
Dec 12 22:18:53.785 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 12 22:18:53.785 INFO [stderr]   |
Dec 12 22:18:53.785 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.0.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.1.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.10.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.11.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.12.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.13.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.14.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.15.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.2.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.3.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.4.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.5.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.6.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.7.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.8.rcgu.o" "/target/debug/deps/dpow_work_server-f5730a40611149a4.dpow_work_server.95nwn0i8-cgu.9.rcgu.o" "-o" "/target/debug/deps/dpow_work_server-f5730a40611149a4" "/target/debug/deps/dpow_work_server-f5730a40611149a4.1yiega7r2mh8vrif.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/target/debug/build/backtrace-sys-ff06aac41272d890/out/.libs" "-L" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libserde_json-ee669b95d77f23a1.rlib" "/target/debug/deps/libitoa-4b2dafe0e6a4543a.rlib" "/target/debug/deps/libdtoa-48ad23adb818a3db.rlib" "/target/debug/deps/libserde-162252267c550167.rlib" "/target/debug/deps/libparking_lot-6f5c2d001a84cc73.rlib" "/target/debug/deps/libparking_lot_core-58c2132c0b384ec7.rlib" "/target/debug/deps/libsmallvec-0742052db29df210.rlib" "/target/debug/deps/libowning_ref-9579138b4c2ca632.rlib" "/target/debug/deps/libstable_deref_trait-e8191ecaa937d108.rlib" "/target/debug/deps/libocl-760a1a99f7c47882.rlib" "/target/debug/deps/libqutex-18feaefba501a264.rlib" "/target/debug/deps/libcrossbeam-ad466917503aad17.rlib" "/target/debug/deps/libocl_core-fb374be29b571a10.rlib" "/target/debug/deps/libcl_sys-2d9da64c2634d882.rlib" "/target/debug/deps/libocl_core_vector-0d464b4c01a3d7b3.rlib" "/target/debug/deps/libnum-2018fc796e7eadee.rlib" "/target/debug/deps/libnum_rational-c4c93f620149ef40.rlib" "/target/debug/deps/libnum_bigint-52053fd41cca30e9.rlib" "/target/debug/deps/libnum_iter-457baa18b983c8b4.rlib" "/target/debug/deps/libnum_integer-bacc08486d1b2c78.rlib" "/target/debug/deps/libnum_complex-ca57a2dc50d4d76d.rlib" "/target/debug/deps/librustc_serialize-f9fd06dc91e44d46.rlib" "/target/debug/deps/libenum_primitive-e8c42355b3df5b27.rlib" "/target/debug/deps/libnum_traits-3df3d62025f53f4c.rlib" "/target/debug/deps/libfailure-8e520bc634405347.rlib" "/target/debug/deps/libbacktrace-9055ee941734eebe.rlib" "/target/debug/deps/libbacktrace_sys-f12933891feb897b.rlib" "/target/debug/deps/librustc_demangle-1ee0474399577ca9.rlib" "/target/debug/deps/libnum_traits-2291992350b9cd37.rlib" "/target/debug/deps/libhyper-808d4a7b3dc4e738.rlib" "/target/debug/deps/libtokio_proto-ebed151381700eed.rlib" "/target/debug/deps/liblog-85c828017590d7b1.rlib" "/target/debug/deps/libtokio_service-3b0077145cfa4a9d.rlib" "/target/debug/deps/libtake-83b3f79ef712c223.rlib" "/target/debug/deps/libsmallvec-ec675727851635a0.rlib" "/target/debug/deps/libslab-38c79f77e10e50fb.rlib" "/target/debug/deps/librand-fb51fb5d8392a4b1.rlib" "/target/debug/deps/libtokio_core-0e289d1353a62837.rlib" "/target/debug/deps/libscoped_tls-dc586e56fd0c5af8.rlib" "/target/debug/deps/libtokio-3b3c04253143e91b.rlib" "/target/debug/deps/libtokio_udp-e60a0a59639e2c79.rlib" "/target/debug/deps/libtokio_tcp-794185f39134fac0.rlib" "/target/debug/deps/libtokio_timer-9f3fc81560e0261e.rlib" "/target/debug/deps/libtokio_reactor-df2d0ac60e91ac61.rlib" "/target/debug/deps/libtokio_fs-ca3c620fbb3e0d38.rlib" "/target/debug/deps/libtokio_threadpool-3a0b4b0f1628f79b.rlib" "/target/debug/deps/librand-9c2e3cb6075f0ac7.rlib" "/target/debug/deps/libcrossbeam_deque-47638d6357bae77a.rlib" "/target/debug/deps/libcrossbeam_epoch-8438d00362578207.rlib" "/target/debug/deps/libscopeguard-950a4184ee4d960f.rlib" "/target/debug/deps/libmemoffset-63bad86a173e8707.rlib" "/target/debug/deps/liblazy_static-99e759f9015a153d.rlib" "/target/debug/deps/libcrossbeam_utils-69fe7715e1f32772.rlib" "/target/debug/deps/libarrayvec-0ff7ef91e78527f6.rlib" "/target/debug/deps/libnodrop-0f68ecd84ff1bc90.rlib" "/target/debug/deps/libtokio_executor-35d61c7dd323ebf2.rlib" "/target/debug/deps/libtokio_io-08a99be218fb3da5.rlib" "/target/debug/deps/libmio-8fffa1a89de23ed0.rlib" "/target/debug/deps/libslab-984ec87c55fb2111.rlib" "/target/debug/deps/libnet2-db99670b48d0a82e.rlib" "/target/debug/deps/liblazycell-b8eff07cb8abe084.rlib" "/target/debug/deps/libtime-3ad01cd8cee8400a.rlib" "/target/debug/deps/librelay-b4ca8639257e0509.rlib" "/target/debug/deps/libpercent_encoding-ea2a1cf6fca55220.rlib" "/target/debug/deps/libmime-3054390ffb9a0ffe.rlib" "/target/debug/deps/libunicase-e80009e412a3a02a.rlib" "/target/debug/deps/liblog-23840912fae6b5b8.rlib" "/target/debug/deps/libcfg_if-9be736da4773cf03.rlib" "/target/debug/deps/liblanguage_tags-8383cb2942d20d84.rlib" "/target/debug/deps/libhttparse-d2b66b88048e9332.rlib" "/target/debug/deps/libfutures_cpupool-f5b53fb43183df04.rlib" "/target/debug/deps/libnum_cpus-866bffdf7a93505a.rlib" "/target/debug/deps/libbytes-c289eb413e9a1ae5.rlib" "/target/debug/deps/libiovec-84027bd31e96462a.rlib" "/target/debug/deps/libbase64-5e7e559f133a6bf5.rlib" "/target/debug/deps/libsafemem-7529369f1475bd4c.rlib" "/target/debug/deps/libhex-ca7a12c9aaf3390a.rlib" "/target/debug/deps/libfutures-7c895261122e049a.rlib" "/target/debug/deps/libclap-e3cbc9d387419238.rlib" "/target/debug/deps/libvec_map-1d150842122151ff.rlib" "/target/debug/deps/libtextwrap-f71aa2d95b130f6b.rlib" "/target/debug/deps/libunicode_width-ee831b7ed4e5ddd0.rlib" "/target/debug/deps/libstrsim-a86e271befcba8d0.rlib" "/target/debug/deps/libbitflags-7fba2d3341fd9dcc.rlib" "/target/debug/deps/libatty-2c6c7970cc5d6b1e.rlib" "/target/debug/deps/liblibc-2b526106644eb238.rlib" "/target/debug/deps/libansi_term-ac75d96a1ea23b5f.rlib" "/target/debug/deps/libbyteorder-84d713a49d0f43bb.rlib" "/target/debug/deps/libblake2-73b4f96ec41dc65c.rlib" "/target/debug/deps/libcrypto_mac-668d8d7f29f380cd.rlib" "/target/debug/deps/libconstant_time_eq-378a172169d281a1.rlib" "/target/debug/deps/libdigest-66e709090b923be8.rlib" "/target/debug/deps/libgeneric_array-97ae8dc2d7f2cb64.rlib" "/target/debug/deps/libtypenum-0c1f1070a6f08f33.rlib" "/target/debug/deps/libbyte_tools-64ae7ce345562519.rlib" "-Wl,--start-group" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a8951067144fcd6a.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-557584a04b5ba683.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-431a1e5e4c3f47f7.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a23c0da4d2de6b62.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8bfe39ba20aa6b17.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f9a54acb2f768daa.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-fd7c3c73a313f74d.rlib" "-Wl,--end-group" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f941d940954fa72.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 12 22:18:53.785 INFO [stderr]   = note: /usr/bin/ld: cannot find -lOpenCL
Dec 12 22:18:53.785 INFO [stderr]           /usr/bin/ld: cannot find -lOpenCL
Dec 12 22:18:53.785 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 12 22:18:53.786 INFO [stderr]           
Dec 12 22:18:53.786 INFO [stderr] 
Dec 12 22:18:53.786 INFO [stderr] error: aborting due to previous error
Dec 12 22:18:53.786 INFO [stderr] 
Dec 12 22:18:53.802 INFO [stderr] error: Could not compile `dpow-work-server`.
Dec 12 22:18:53.802 INFO [stderr] 
Dec 12 22:18:53.802 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 22:18:53.811 INFO [stderr] su: No module specific data is present
Dec 12 22:18:54.784 INFO running `"docker" "inspect" "4675512454be58cc0e2ee169235d626874a994d814ec3430c39c7d1110357a6c"`
Dec 12 22:18:55.155 INFO running `"docker" "rm" "-f" "4675512454be58cc0e2ee169235d626874a994d814ec3430c39c7d1110357a6c"`
Dec 12 22:18:55.525 INFO [stdout] 4675512454be58cc0e2ee169235d626874a994d814ec3430c39c7d1110357a6c