[INFO] cloning repository https://github.com/NicolasLagaillardie/mqtt_server
[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_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fec44afa1ec59c4083fcb1623d6383899ca33ba8
[INFO] checking NicolasLagaillardie/mqtt_server against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_server" "/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_server on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicolasLagaillardie/mqtt_server
[INFO] finished tweaking git repo https://github.com/NicolasLagaillardie/mqtt_server
[INFO] tweaked toml for git repo https://github.com/NicolasLagaillardie/mqtt_server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/NicolasLagaillardie/mqtt_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/LuoZijun/rust-ifaces.git`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] f12fbbf259928be5a8f926044a7a287d2e63247e95d8d2b3a62681130de02a8e
[INFO] running `Command { std: "docker" "start" "-a" "f12fbbf259928be5a8f926044a7a287d2e63247e95d8d2b3a62681130de02a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f12fbbf259928be5a8f926044a7a287d2e63247e95d8d2b3a62681130de02a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12fbbf259928be5a8f926044a7a287d2e63247e95d8d2b3a62681130de02a8e", kill_on_drop: false }`
[INFO] [stdout] f12fbbf259928be5a8f926044a7a287d2e63247e95d8d2b3a62681130de02a8e
[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=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d87693d16f45de19e54d8564df3a993cf12a7dad5562fb47bbc52510728bd797
[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" "d87693d16f45de19e54d8564df3a993cf12a7dad5562fb47bbc52510728bd797", 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]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[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 rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking futures-timer v0.1.1
[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]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking qutex v0.2.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking ifaces v0.1.0 (https://github.com/LuoZijun/rust-ifaces.git#91bd5b26)
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking ocl-core-vector v0.1.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]     Checking paho-mqtt v0.6.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking ocl v0.19.3
[INFO] [stderr]     Checking mqtt_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "d87693d16f45de19e54d8564df3a993cf12a7dad5562fb47bbc52510728bd797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87693d16f45de19e54d8564df3a993cf12a7dad5562fb47bbc52510728bd797", kill_on_drop: false }`
[INFO] [stdout] d87693d16f45de19e54d8564df3a993cf12a7dad5562fb47bbc52510728bd797