Dec 12 22:16:58.713 INFO testing vitelabs/pow-gpu against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 22:16:58.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 22:16:59.161 INFO [stdout] 274569d039d6eb135e49e76a37c359649f783e1ae54c01ad243ee2c0b445efae
Dec 12 22:16:59.163 INFO running `"docker" "start" "-a" "274569d039d6eb135e49e76a37c359649f783e1ae54c01ad243ee2c0b445efae"`
Dec 12 22:17:01.105 INFO [stderr] usermod: no changes
Dec 12 22:17:01.391 INFO [stderr]    Compiling nodrop v0.1.12
Dec 12 22:17:01.396 INFO [stderr]    Compiling serde v1.0.45
Dec 12 22:17:01.396 INFO [stderr]    Compiling iovec v0.1.2
Dec 12 22:17:01.396 INFO [stderr]    Compiling net2 v0.2.32
Dec 12 22:17:01.396 INFO [stderr]    Compiling time v0.1.39
Dec 12 22:17:01.403 INFO [stderr]    Compiling num-traits v0.1.43
Dec 12 22:17:01.403 INFO [stderr]    Compiling textwrap v0.9.0
Dec 12 22:17:01.403 INFO [stderr]    Compiling base64 v0.9.1
Dec 12 22:17:02.428 INFO [stderr]    Compiling qutex v0.2.1
Dec 12 22:17:03.058 INFO [stderr]    Compiling log v0.3.9
Dec 12 22:17:03.127 INFO [stderr]    Compiling futures-cpupool v0.1.8
Dec 12 22:17:04.868 INFO [stderr]    Compiling rand v0.3.22
Dec 12 22:17:08.963 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 12 22:17:08.995 INFO [stderr]    Compiling ocl-core v0.9.0
Dec 12 22:17:09.003 INFO [stderr]    Compiling cl-sys v0.4.1
Dec 12 22:17:09.026 INFO [stderr]    Compiling enum_primitive v0.1.1
Dec 12 22:17:09.071 INFO [stderr]    Compiling arrayvec v0.4.7
Dec 12 22:17:09.071 INFO [stderr]    Compiling bytes v0.4.7
Dec 12 22:17:09.412 INFO [stderr]    Compiling clap v2.31.2
Dec 12 22:17:10.024 INFO [stderr]    Compiling mio v0.6.14
Dec 12 22:17:11.055 INFO [stderr]    Compiling digest v0.7.2
Dec 12 22:17:11.944 INFO [stderr]    Compiling ocl-core-vector v0.1.0
Dec 12 22:17:11.960 INFO [stderr]    Compiling failure v0.1.1
Dec 12 22:17:15.391 INFO [stderr]    Compiling blake2 v0.7.1
Dec 12 22:17:15.459 INFO [stderr]    Compiling crossbeam-epoch v0.4.1
Dec 12 22:17:15.777 INFO [stderr]    Compiling parking_lot v0.5.5
Dec 12 22:17:18.911 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 12 22:17:27.107 INFO [stderr]    Compiling crossbeam-deque v0.3.1
Dec 12 22:17:27.443 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 12 22:17:28.924 INFO [stderr]    Compiling tokio-threadpool v0.1.3
Dec 12 22:17:33.123 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 12 22:17:33.123 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 12 22:17:40.315 INFO [stderr]    Compiling tokio-fs v0.1.0
Dec 12 22:17:42.580 INFO [stderr]    Compiling tokio v0.1.6
Dec 12 22:17:52.403 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 12 22:17:56.985 INFO [stderr]    Compiling serde_json v1.0.17
Dec 12 22:18:04.825 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 12 22:18:12.268 INFO [stderr]    Compiling hyper v0.11.25
Dec 12 22:18:18.674 INFO [stderr]    Compiling ocl v0.18.0
Dec 12 22:18:34.952 INFO [stderr]    Compiling dpow-work-server v0.1.7 (/source)
Dec 12 22:18:35.739 INFO [stderr] warning: unused import: `ocl::prm::Ulong`
Dec 12 22:18:35.739 INFO [stderr]  --> src/gpu.rs:6:5
Dec 12 22:18:35.740 INFO [stderr]   |
Dec 12 22:18:35.740 INFO [stderr] 6 | use ocl::prm::Ulong;
Dec 12 22:18:35.740 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 12 22:18:35.740 INFO [stderr]   |
Dec 12 22:18:35.741 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 22:18:35.741 INFO [stderr] 
Dec 12 22:18:36.073 INFO [stderr] warning: unused variable: `root`
Dec 12 22:18:36.073 INFO [stderr]   --> src/main.rs:58:15
Dec 12 22:18:36.073 INFO [stderr]    |
Dec 12 22:18:36.074 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 12 22:18:36.074 INFO [stderr]    |               ^^^^ help: consider using `_root` instead
Dec 12 22:18:36.074 INFO [stderr]    |
Dec 12 22:18:36.074 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 22:18:36.075 INFO [stderr] 
Dec 12 22:18:36.075 INFO [stderr] warning: unused variable: `work`
Dec 12 22:18:36.075 INFO [stderr]   --> src/main.rs:58:31
Dec 12 22:18:36.075 INFO [stderr]    |
Dec 12 22:18:36.076 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 12 22:18:36.076 INFO [stderr]    |                               ^^^^ help: consider using `_work` instead
Dec 12 22:18:36.076 INFO [stderr] 
Dec 12 22:18:36.076 INFO [stderr] warning: unused variable: `threshold`
Dec 12 22:18:36.076 INFO [stderr]   --> src/main.rs:58:46
Dec 12 22:18:36.077 INFO [stderr]    |
Dec 12 22:18:36.077 INFO [stderr] 58 | fn work_valid(root: [u8; 32], work: [u8; 8], threshold:  [u8; 32]) -> bool {
Dec 12 22:18:36.077 INFO [stderr]    |                                              ^^^^^^^^^ help: consider using `_threshold` instead
Dec 12 22:18:36.077 INFO [stderr] 
Dec 12 22:18:36.156 INFO [stderr] warning: function is never used: `work_value`
Dec 12 22:18:36.156 INFO [stderr]   --> src/main.rs:48:1
Dec 12 22:18:36.156 INFO [stderr]    |
Dec 12 22:18:36.156 INFO [stderr] 48 | fn work_value(root: [u8; 32], work: [u8; 8]) -> u64 {
Dec 12 22:18:36.156 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:18:36.156 INFO [stderr]    |
Dec 12 22:18:36.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 22:18:36.156 INFO [stderr] 
Dec 12 22:18:36.157 INFO [stderr] warning: method is never used: `parse_work_json`
Dec 12 22:18:36.157 INFO [stderr]    --> src/main.rs:155:7
Dec 12 22:18:36.157 INFO [stderr]     |
Dec 12 22:18:36.158 INFO [stderr] 155 |       fn parse_work_json(json: &Value) -> Result<[u8; 8], Value> {
Dec 12 22:18:36.158 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 22:18:36.158 INFO [stderr] 
Dec 12 22:18:42.209 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 12 22:18:42.209 INFO [stderr]   |
Dec 12 22:18:42.211 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.0.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.1.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.10.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.11.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.12.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.13.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.14.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.15.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.2.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.3.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.4.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.5.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.6.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.7.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.8.rcgu.o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dpow_work_server.cfgif02f-cgu.9.rcgu.o" "-o" "/target/debug/deps/dpow_work_server-a091f548c29d4e72" "/target/debug/deps/dpow_work_server-a091f548c29d4e72.dp3qwqb1q4crdsp.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/target/debug/build/backtrace-sys-e6209ac07e64c19d/out/.libs" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libserde_json-7f408a83edf648be.rlib" "/target/debug/deps/libitoa-6cdad5416546e3b4.rlib" "/target/debug/deps/libdtoa-cf5823dd29cf585c.rlib" "/target/debug/deps/libserde-205a93fb6c501159.rlib" "/target/debug/deps/libparking_lot-cf08de244f4c4c0f.rlib" "/target/debug/deps/libparking_lot_core-dd3ce0fa8f67bf82.rlib" "/target/debug/deps/libsmallvec-f9c9b843857e3ea1.rlib" "/target/debug/deps/libowning_ref-f9822744305b85a2.rlib" "/target/debug/deps/libstable_deref_trait-f207b7e8c65b6885.rlib" "/target/debug/deps/libocl-1af63f73e8772dc8.rlib" "/target/debug/deps/libqutex-479ad1a664697133.rlib" "/target/debug/deps/libcrossbeam-429090b55cf21c28.rlib" "/target/debug/deps/libocl_core-27c86c0ea271f905.rlib" "/target/debug/deps/libcl_sys-856a276fc07246b4.rlib" "/target/debug/deps/libocl_core_vector-70afd022ef300ab9.rlib" "/target/debug/deps/libnum-9a9fa7fb4c10fbec.rlib" "/target/debug/deps/libnum_rational-ef537c45bb83a194.rlib" "/target/debug/deps/libnum_bigint-051dd5cb974eddcb.rlib" "/target/debug/deps/libnum_iter-9b546c6cfcc994a7.rlib" "/target/debug/deps/libnum_integer-57489483112549b8.rlib" "/target/debug/deps/libnum_complex-a57ed495389c3c53.rlib" "/target/debug/deps/librustc_serialize-83904edba2e41b2c.rlib" "/target/debug/deps/libenum_primitive-2544106753310f0e.rlib" "/target/debug/deps/libnum_traits-7b1b1706e4ac4da2.rlib" "/target/debug/deps/libfailure-0d1c7c8fe2d2b741.rlib" "/target/debug/deps/libbacktrace-6fb0f5108d2c0f2c.rlib" "/target/debug/deps/libbacktrace_sys-1d4438dbc3afbf3a.rlib" "/target/debug/deps/librustc_demangle-aa3e25f075f6842b.rlib" "/target/debug/deps/libnum_traits-d8be8ef7ad9842c1.rlib" "/target/debug/deps/libhyper-bab451195c1deea4.rlib" "/target/debug/deps/libtokio_proto-553b432614562757.rlib" "/target/debug/deps/liblog-508936c3cab2aa34.rlib" "/target/debug/deps/libtokio_service-2dc8dcb6dc555d09.rlib" "/target/debug/deps/libtake-3a78b9aa686db1f8.rlib" "/target/debug/deps/libsmallvec-6fa940e679f2d51c.rlib" "/target/debug/deps/libslab-c022ef372f8d507b.rlib" "/target/debug/deps/librand-35f13dd28cbd6651.rlib" "/target/debug/deps/libtokio_core-e736ac19be9cd0a2.rlib" "/target/debug/deps/libscoped_tls-ee9d9a653efa6127.rlib" "/target/debug/deps/libtokio-db4e53898b1fc1ea.rlib" "/target/debug/deps/libtokio_udp-11108aeab6523411.rlib" "/target/debug/deps/libtokio_tcp-22d8027cde116217.rlib" "/target/debug/deps/libtokio_timer-d4f044f9c695e3e0.rlib" "/target/debug/deps/libtokio_reactor-2e4b45bb8acda5bf.rlib" "/target/debug/deps/libtokio_fs-9e6ad74b8bfdf563.rlib" "/target/debug/deps/libtokio_threadpool-c4f81ca347afc54a.rlib" "/target/debug/deps/librand-2f12d920d5219aaa.rlib" "/target/debug/deps/libcrossbeam_deque-49c0200949067f10.rlib" "/target/debug/deps/libcrossbeam_epoch-2d561b9e47b8f36d.rlib" "/target/debug/deps/libscopeguard-99979d6abe93971a.rlib" "/target/debug/deps/libmemoffset-80e235f7abc3c455.rlib" "/target/debug/deps/liblazy_static-62b23438c1056266.rlib" "/target/debug/deps/libcrossbeam_utils-0f2c687f7742d051.rlib" "/target/debug/deps/libarrayvec-e9eaa510fcdfd3f3.rlib" "/target/debug/deps/libnodrop-00d8e4e802fb2a4c.rlib" "/target/debug/deps/libtokio_executor-0565bfdaedf0d662.rlib" "/target/debug/deps/libtokio_io-a4e0c1323f88bbbe.rlib" "/target/debug/deps/libmio-126b4ebdd0d0cd4d.rlib" "/target/debug/deps/libslab-ea6b00eb568f76f7.rlib" "/target/debug/deps/libnet2-070987a71b898f29.rlib" "/target/debug/deps/liblazycell-8892ee8c9db289f3.rlib" "/target/debug/deps/libtime-caaec0152450d41d.rlib" "/target/debug/deps/librelay-aad98b6874db1ace.rlib" "/target/debug/deps/libpercent_encoding-1e338fb4fe54d371.rlib" "/target/debug/deps/libmime-7bd42b64df25bf69.rlib" "/target/debug/deps/libunicase-83c0c720f7aaa388.rlib" "/target/debug/deps/liblog-19f8f80030cfeca0.rlib" "/target/debug/deps/libcfg_if-c364d43ad7d7b0aa.rlib" "/target/debug/deps/liblanguage_tags-d11ff1b3b0aadb2a.rlib" "/target/debug/deps/libhttparse-10844bd2b6153d62.rlib" "/target/debug/deps/libfutures_cpupool-2c9563a64db50822.rlib" "/target/debug/deps/libnum_cpus-0ca6db1f35df2dcb.rlib" "/target/debug/deps/libbytes-1126e95bede1743d.rlib" "/target/debug/deps/libiovec-38aa7466049168ab.rlib" "/target/debug/deps/libbase64-41aceb6c67a3d536.rlib" "/target/debug/deps/libsafemem-19f9fe81b8c6b6dc.rlib" "/target/debug/deps/libhex-2b65577a0b95f562.rlib" "/target/debug/deps/libfutures-ae2d41939ae3d9e9.rlib" "/target/debug/deps/libclap-965b9cc4d9acb8bb.rlib" "/target/debug/deps/libvec_map-237a095babfd2f1a.rlib" "/target/debug/deps/libtextwrap-86a47201bce48a9e.rlib" "/target/debug/deps/libunicode_width-af0a5071edbfdc7e.rlib" "/target/debug/deps/libstrsim-18a118b59b8eeb9e.rlib" "/target/debug/deps/libbitflags-b6b9d7425d54c4a2.rlib" "/target/debug/deps/libatty-1c024bc9ac6fc735.rlib" "/target/debug/deps/liblibc-3152d91551f0d87b.rlib" "/target/debug/deps/libansi_term-002eba02fed14e94.rlib" "/target/debug/deps/libbyteorder-1e005bfa85e0e469.rlib" "/target/debug/deps/libblake2-3177627b4eb1f7f6.rlib" "/target/debug/deps/libcrypto_mac-daf9faca629fb85b.rlib" "/target/debug/deps/libconstant_time_eq-5386d8e0fd68a12f.rlib" "/target/debug/deps/libdigest-9d2b07bc9b9bc126.rlib" "/target/debug/deps/libgeneric_array-51e244f79d6450d2.rlib" "/target/debug/deps/libtypenum-92ee720eb1cd1522.rlib" "/target/debug/deps/libbyte_tools-4377368e52a546fa.rlib" "-Wl,--start-group" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-748af87fcc6c3a49.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0d0fc9a4e3a019fc.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-0aeb98e3ac6cf6d2.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-1c913d008c608484.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ddc5c7b39633b7b3.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-02cab32753740b78.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-abcd26adb0919b33.rlib" "-Wl,--end-group" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e4966369233fd0ee.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 12 22:18:42.211 INFO [stderr]   = note: /usr/bin/ld: cannot find -lOpenCL
Dec 12 22:18:42.211 INFO [stderr]           /usr/bin/ld: cannot find -lOpenCL
Dec 12 22:18:42.211 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 12 22:18:42.211 INFO [stderr]           
Dec 12 22:18:42.211 INFO [stderr] 
Dec 12 22:18:42.211 INFO [stderr] error: aborting due to previous error
Dec 12 22:18:42.211 INFO [stderr] 
Dec 12 22:18:42.284 INFO [stderr] error: Could not compile `dpow-work-server`.
Dec 12 22:18:42.284 INFO [stderr] 
Dec 12 22:18:42.284 INFO [stderr] To learn more, run the command again with --verbose.
Dec 12 22:18:42.291 INFO [stderr] su: No module specific data is present
Dec 12 22:18:43.629 INFO running `"docker" "inspect" "274569d039d6eb135e49e76a37c359649f783e1ae54c01ad243ee2c0b445efae"`
Dec 12 22:18:44.044 INFO running `"docker" "rm" "-f" "274569d039d6eb135e49e76a37c359649f783e1ae54c01ad243ee2c0b445efae"`
Dec 12 22:18:44.419 INFO [stdout] 274569d039d6eb135e49e76a37c359649f783e1ae54c01ad243ee2c0b445efae