[INFO] cloning repository https://github.com/NicolasLagaillardie/mqtt_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicolasLagaillardie/mqtt_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1855275b60e7b62c4d4fa94da631d7a6ac101ac8
[INFO] testing NicolasLagaillardie/mqtt_client against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_client" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicolasLagaillardie/mqtt_client on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicolasLagaillardie/mqtt_client
[INFO] finished tweaking git repo https://github.com/NicolasLagaillardie/mqtt_client
[INFO] tweaked toml for git repo https://github.com/NicolasLagaillardie/mqtt_client written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/NicolasLagaillardie/mqtt_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 839c7341cfd9028e9cb0e99d0c1d269db917407f6394444a480f2c6b0abe62f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "839c7341cfd9028e9cb0e99d0c1d269db917407f6394444a480f2c6b0abe62f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839c7341cfd9028e9cb0e99d0c1d269db917407f6394444a480f2c6b0abe62f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839c7341cfd9028e9cb0e99d0c1d269db917407f6394444a480f2c6b0abe62f6", kill_on_drop: false }`
[INFO] [stdout] 839c7341cfd9028e9cb0e99d0c1d269db917407f6394444a480f2c6b0abe62f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55418964cec0a9638ead24a540260c9913550241be5e198b5721f368130c9f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e55418964cec0a9638ead24a540260c9913550241be5e198b5721f368130c9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling ifaces v0.1.0 (https://github.com/LuoZijun/rust-ifaces.git#91bd5b26)
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling paho-mqtt v0.6.0
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling ocl v0.19.3
[INFO] [stderr]    Compiling mqtt_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Device`, `Platform`
[INFO] [stdout]   --> src/lib.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | use ocl::{Device, Platform};
[INFO] [stdout]    |           ^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.mqtt_client.ct92cb3v-cgu.6.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274" "/opt/rustwide/target/debug/deps/mqtt_client-e28bd71c8678f274.1hnkpc6pd5wkqv9h.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-67821d350c23dfac/out" "-L" "/opt/rustwide/target/debug/build/paho-mqtt-sys-6b7c8dd8416fd694/out/lib" "-L" "/opt/rustwide/target/debug/build/sys-info-15d91c6900d87ae7/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmqtt_client-e30c1c158a91ff64.rlib" "/opt/rustwide/target/debug/deps/libocl-94e799f5e52c8844.rlib" "/opt/rustwide/target/debug/deps/libqutex-ec5017164077955a.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-68e2ede482e0127c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-4feecb2650d1c03e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-f877216e443c0c05.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-83e2473f8a67e9de.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-a763f8af74884608.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-f521f275bc11d81e.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-d8bff2edd61f9de7.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-c3c9c9dae3ec1598.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-d3dbda0cfa4edd5a.rlib" "/opt/rustwide/target/debug/deps/libnodrop-9930c0e3be6b3e1a.rlib" "/opt/rustwide/target/debug/deps/libocl_core-764a24374a58fedc.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-aec6a91f0b16c042.rlib" "/opt/rustwide/target/debug/deps/libocl_core_vector-24ab83515ff1a752.rlib" "/opt/rustwide/target/debug/deps/libnum-b6640ff497d968cc.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-5914533fbb4b015e.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-ef2cc138378049bb.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c0ef87ad66631840.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-a50ad3e308bb8ddc.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-9b8dcdbe9df00400.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-7a3ef2123a40ae59.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-9803b4d8588feb0e.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ce875846e7d587da.rlib" "/opt/rustwide/target/debug/deps/libfailure-2039875886c1ef79.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-ba496ccbfe005298.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-17461e3ca275a444.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-a9cad29397bf25c6.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-20cb6a14022fa5de.rlib" "/opt/rustwide/target/debug/deps/libuuid-ade5d257ad180a03.rlib" "/opt/rustwide/target/debug/deps/librand-b8ef229bcef4b2ae.rlib" "/opt/rustwide/target/debug/deps/librand-d5cc10f96007a8c7.rlib" "/opt/rustwide/target/debug/deps/libsys_info-875e3cb812cc83da.rlib" "/opt/rustwide/target/debug/deps/libopenssl-22b1afa2414f0d2c.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-51657ae62ca1d9b3.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-55dec0f74faa33df.rlib" "/opt/rustwide/target/debug/deps/libforeign_types_shared-cf5ba4a61f263f83.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libpaho_mqtt-0c63d117bc1595ad.rlib" "/opt/rustwide/target/debug/deps/libpaho_mqtt_sys-a2adb0431187beaf.rlib" "/opt/rustwide/target/debug/deps/libfutures_timer-5d543dd1cd5f63b3.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-7bbadc64f2dd2489.rlib" "/opt/rustwide/target/debug/deps/libregex-fa8b0d3ec3552922.rlib" "/opt/rustwide/target/debug/deps/libthread_local-1688e9578a039cfc.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-676610746f45012f.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-298f69367fd258cf.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-569a005d8bc61c1b.rlib" "/opt/rustwide/target/debug/deps/libmemchr-d5d1431bad08298f.rlib" "/opt/rustwide/target/debug/deps/libatty-52a1533c389f4028.rlib" "/opt/rustwide/target/debug/deps/liblibc-7fde795bc221bd2c.rlib" "/opt/rustwide/target/debug/deps/libhumantime-4c71da6d59386766.rlib" "/opt/rustwide/target/debug/deps/libquick_error-5be80c9859951c00.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-131b880846a04f3c.rlib" "/opt/rustwide/target/debug/deps/liblog-16806d2907ecf26d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "/opt/rustwide/target/debug/deps/libfutures-98504813382a1383.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lssl" "-lcrypto" "-lssl" "-lcrypto" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt_client`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e55418964cec0a9638ead24a540260c9913550241be5e198b5721f368130c9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55418964cec0a9638ead24a540260c9913550241be5e198b5721f368130c9f4", kill_on_drop: false }`
[INFO] [stdout] e55418964cec0a9638ead24a540260c9913550241be5e198b5721f368130c9f4