[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 1.55.0 for beta-1.56-1
[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 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b37f518430695d0b8d06ba6fcb3c27f36d7ea1718946ec28f1eeb90957148a1
[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" "9b37f518430695d0b8d06ba6fcb3c27f36d7ea1718946ec28f1eeb90957148a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b37f518430695d0b8d06ba6fcb3c27f36d7ea1718946ec28f1eeb90957148a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b37f518430695d0b8d06ba6fcb3c27f36d7ea1718946ec28f1eeb90957148a1", kill_on_drop: false }`
[INFO] [stdout] 9b37f518430695d0b8d06ba6fcb3c27f36d7ea1718946ec28f1eeb90957148a1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbc05b42c22336aed2272b5242dc86285791a9a4f23dd643949e007e93ac7fe
[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" "2fbc05b42c22336aed2272b5242dc86285791a9a4f23dd643949e007e93ac7fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[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 num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ifaces v0.1.0 (https://github.com/LuoZijun/rust-ifaces.git#91bd5b26)
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling paho-mqtt v0.6.0
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.mqtt_client.98770047-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812.1dpteqkxcb42gymc.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-e5a185840c1a0730/out" "-L" "/opt/rustwide/target/debug/build/paho-mqtt-sys-0b45a79734164704/out/lib" "-L" "/opt/rustwide/target/debug/build/sys-info-31a1ec7164492f9d/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmqtt_client-09464ddd2818bba9.rlib" "/opt/rustwide/target/debug/deps/libocl-600fe13d2f5632b8.rlib" "/opt/rustwide/target/debug/deps/libqutex-e842a02bee445a3d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-9dc96b5f4e72a698.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-c5fcdda41f417e26.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-abb477edf37d5470.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-34658dfaa6b194e1.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-cf49f939b2ce2bcc.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-89e514321b6cf7f6.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-4c4cd4acd40ccf4c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-aeed3b1701bc9575.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-96541c8274a0270b.rlib" "/opt/rustwide/target/debug/deps/libnodrop-10739558e1f9fdfb.rlib" "/opt/rustwide/target/debug/deps/libocl_core-ecdb55a508312bcd.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-d5e46e0687fa5a15.rlib" "/opt/rustwide/target/debug/deps/libocl_core_vector-439b40d7e4d07225.rlib" "/opt/rustwide/target/debug/deps/libnum-fa3acb2ec03125fa.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-c599604993acb277.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-8d96f9532fad8ca6.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c1d2cf8d8a5a0425.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-eef02a05c6f2f73b.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-71e5418712a1deb1.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-d502c4cc34a0f1bf.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-4b9d7a84475953ad.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e4a997be15d6a79c.rlib" "/opt/rustwide/target/debug/deps/libfailure-58373009032d5da4.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-3f028544e5fa4dfa.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-cb717e7dadb6bce5.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-f6813ff1cdbf72a4.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3479ba40276d3231.rlib" "/opt/rustwide/target/debug/deps/libuuid-b80f6eb3b499bbde.rlib" "/opt/rustwide/target/debug/deps/librand-7a8942209e0ebbf7.rlib" "/opt/rustwide/target/debug/deps/librand-010c11476d2a7e81.rlib" "/opt/rustwide/target/debug/deps/libsys_info-bbba72b5524f24d8.rlib" "/opt/rustwide/target/debug/deps/libopenssl-83033b5052c3ec96.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-248f65868668a4aa.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-24ec6f510909448f.rlib" "/opt/rustwide/target/debug/deps/libforeign_types_shared-87fc368e0f0dce56.rlib" "/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rlib" "/opt/rustwide/target/debug/deps/libpaho_mqtt-0871ce80dd3ce7e1.rlib" "/opt/rustwide/target/debug/deps/libpaho_mqtt_sys-4108fa2a2f76ebee.rlib" "/opt/rustwide/target/debug/deps/libfutures_timer-374b70367085fae0.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-e2a52569fa463d2a.rlib" "/opt/rustwide/target/debug/deps/libregex-61b06fd739fd9eb7.rlib" "/opt/rustwide/target/debug/deps/libthread_local-021e690041591d5b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-be5b982b5ab50524.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-00609df68f1a6931.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-e3a98836e3e43eff.rlib" "/opt/rustwide/target/debug/deps/libmemchr-5087c462549b9d46.rlib" "/opt/rustwide/target/debug/deps/libatty-8ac8931fee1769e0.rlib" "/opt/rustwide/target/debug/deps/liblibc-682a28d7d243d015.rlib" "/opt/rustwide/target/debug/deps/libhumantime-e96b6b451c6926d7.rlib" "/opt/rustwide/target/debug/deps/libquick_error-8af1626c14a64d49.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-dff3bebd4e162843.rlib" "/opt/rustwide/target/debug/deps/liblog-ef319cfe97d0a4d1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4dc40f94662accb2.rlib" "/opt/rustwide/target/debug/deps/libfutures-9ec9c23a9414bf96.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lssl" "-lcrypto" "-lssl" "-lcrypto" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mqtt_client-2aa0de06227bc812" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2fbc05b42c22336aed2272b5242dc86285791a9a4f23dd643949e007e93ac7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc05b42c22336aed2272b5242dc86285791a9a4f23dd643949e007e93ac7fe", kill_on_drop: false }`
[INFO] [stdout] 2fbc05b42c22336aed2272b5242dc86285791a9a4f23dd643949e007e93ac7fe