[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_client" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicolasLagaillardie/mqtt_client on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8149452e4aaa777854a1d94fe8a28da52cbf926d50bccf9e8ec657cbb0aefc72
[INFO] running `Command { std: "docker" "start" "-a" "8149452e4aaa777854a1d94fe8a28da52cbf926d50bccf9e8ec657cbb0aefc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8149452e4aaa777854a1d94fe8a28da52cbf926d50bccf9e8ec657cbb0aefc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8149452e4aaa777854a1d94fe8a28da52cbf926d50bccf9e8ec657cbb0aefc72", kill_on_drop: false }`
[INFO] [stdout] 8149452e4aaa777854a1d94fe8a28da52cbf926d50bccf9e8ec657cbb0aefc72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 135ebfbac46e070de40dc3cef723aa36723f9348ae8fc837ace662bca4cde6ba
[INFO] running `Command { std: "docker" "start" "-a" "135ebfbac46e070de40dc3cef723aa36723f9348ae8fc837ace662bca4cde6ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling regex v1.3.1
[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 num v0.1.42
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling paho-mqtt v0.6.0
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.mqtt_client.92khcgue-cgu.6.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375" "/opt/rustwide/target/debug/deps/mqtt_client-ee2c5b3c568de375.45pus8pg89i9l0c9.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-25c62c5b8ea17b0e/out" "-L" "/opt/rustwide/target/debug/build/paho-mqtt-sys-027b2e067f011270/out/lib" "-L" "/opt/rustwide/target/debug/build/sys-info-378e0db0d1ce9e78/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmqtt_client-3da76bb3b4150054.rlib" "/opt/rustwide/target/debug/deps/libocl-b57f9147033a43f9.rlib" "/opt/rustwide/target/debug/deps/libqutex-56cca884815d4ab3.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-f72c84d1e2498f31.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-7bf7e1c9855544b9.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-b1777eb987bbf9d5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-0630cb859991cc1b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-c95eb490d8458ab6.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-97710735efc12196.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-4e6e4cb614ba64a7.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-99f2cf49b1fa5dd2.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-4d1c2e9ac19c9f1b.rlib" "/opt/rustwide/target/debug/deps/libnodrop-3a2a589fc17d5441.rlib" "/opt/rustwide/target/debug/deps/libocl_core-ed52a79cc36f13e5.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-5bacf2f77d7b2769.rlib" "/opt/rustwide/target/debug/deps/libocl_core_vector-2de697759ac23419.rlib" "/opt/rustwide/target/debug/deps/libnum-19524ac38dce0af6.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-ea8b868573df5846.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-a728dce4a595b3bc.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-98b8c49f764996b1.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-b2e492f7d214062f.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-4d50e2bbd540f2fc.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-b94f9e5a325066ba.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-fcee3fec7f6adfda.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-1051c4f69b7bc36d.rlib" "/opt/rustwide/target/debug/deps/libfailure-23ddfd64ab8a0928.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-93756d099c7d2231.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-6dd90c6b72b03603.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-62310dac5ec68432.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-fb9ba0d445293d8e.rlib" "/opt/rustwide/target/debug/deps/libuuid-3cb9f541c4c65468.rlib" "/opt/rustwide/target/debug/deps/librand-9357757e0bcc68e9.rlib" "/opt/rustwide/target/debug/deps/librand-3a165763cb512443.rlib" "/opt/rustwide/target/debug/deps/libsys_info-352426582b02ffcc.rlib" "/opt/rustwide/target/debug/deps/libopenssl-3643bcd0af83f2c9.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-52502ada2c004e9a.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-4d1b2e9c1fce2955.rlib" "/opt/rustwide/target/debug/deps/libforeign_types_shared-0653b0c1cc990258.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e8b42ad6d332332e.rlib" "/opt/rustwide/target/debug/deps/libpaho_mqtt-4132e71d93d4df86.rlib" "/opt/rustwide/target/debug/deps/libpaho_mqtt_sys-09e885bcf526c9cd.rlib" "/opt/rustwide/target/debug/deps/libfutures_timer-8c3481b14cf68197.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-898b6fed9b31684d.rlib" "/opt/rustwide/target/debug/deps/libregex-465b6037da688b96.rlib" "/opt/rustwide/target/debug/deps/libthread_local-74477e4442b3a203.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-d31b54c95793e186.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-f1cb32d6de4802b2.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-479deffc9151d8fc.rlib" "/opt/rustwide/target/debug/deps/libmemchr-264354439e9e2c37.rlib" "/opt/rustwide/target/debug/deps/libatty-7d4c2d97d85a1480.rlib" "/opt/rustwide/target/debug/deps/liblibc-e291c7106589fc36.rlib" "/opt/rustwide/target/debug/deps/libhumantime-60a7860b9312022b.rlib" "/opt/rustwide/target/debug/deps/libquick_error-bea411083eb7390e.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-7a8d099389d44c2c.rlib" "/opt/rustwide/target/debug/deps/liblog-e01c55323f033bb6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d2033c938d1688fd.rlib" "/opt/rustwide/target/debug/deps/libfutures-00db79ef99c80a20.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lOpenCL" "-lssl" "-lcrypto" "-lssl" "-lcrypto" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt_client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "135ebfbac46e070de40dc3cef723aa36723f9348ae8fc837ace662bca4cde6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135ebfbac46e070de40dc3cef723aa36723f9348ae8fc837ace662bca4cde6ba", kill_on_drop: false }`
[INFO] [stdout] 135ebfbac46e070de40dc3cef723aa36723f9348ae8fc837ace662bca4cde6ba
