[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] testing NicolasLagaillardie/mqtt_server against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fmqtt_server" "/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_server on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/LuoZijun/rust-ifaces.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded openssl-sys v0.9.52
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded cl-sys v0.4.2
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded ocl-core-vector v0.1.0
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded ocl-core v0.11.2
[INFO] [stderr]   Downloaded paho-mqtt v0.6.0
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded ocl v0.19.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded sys-info v0.5.8
[INFO] [stderr]   Downloaded openssl v0.10.25
[INFO] [stderr]   Downloaded paho-mqtt-sys v0.2.1
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.1
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded qutex v0.2.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded synstructure v0.12.2
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded futures-timer v0.1.1
[INFO] [stderr]   Downloaded nix v0.8.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75a6bd40bce01d9222d63e95adaec2a5e84d7a889e9c59fd7e1f5f61e9cb7092
[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" "75a6bd40bce01d9222d63e95adaec2a5e84d7a889e9c59fd7e1f5f61e9cb7092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a6bd40bce01d9222d63e95adaec2a5e84d7a889e9c59fd7e1f5f61e9cb7092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a6bd40bce01d9222d63e95adaec2a5e84d7a889e9c59fd7e1f5f61e9cb7092", kill_on_drop: false }`
[INFO] [stdout] 75a6bd40bce01d9222d63e95adaec2a5e84d7a889e9c59fd7e1f5f61e9cb7092
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4540a83a46ca12aa1ccd3822adb713cde50afd10b643351cf0468852e79b32b7
[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" "4540a83a46ca12aa1ccd3822adb713cde50afd10b643351cf0468852e79b32b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[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 ocl-core v0.11.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling backtrace v0.3.40
[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 synstructure v0.12.2
[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_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.88s
[INFO] running `Command { std: "docker" "inspect" "4540a83a46ca12aa1ccd3822adb713cde50afd10b643351cf0468852e79b32b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4540a83a46ca12aa1ccd3822adb713cde50afd10b643351cf0468852e79b32b7", kill_on_drop: false }`
[INFO] [stdout] 4540a83a46ca12aa1ccd3822adb713cde50afd10b643351cf0468852e79b32b7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f2bf5adc1e321e741ab8068c944cc5a35ead496dd8f95211d4e278b8c7aa85
[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" "e5f2bf5adc1e321e741ab8068c944cc5a35ead496dd8f95211d4e278b8c7aa85", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "e5f2bf5adc1e321e741ab8068c944cc5a35ead496dd8f95211d4e278b8c7aa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f2bf5adc1e321e741ab8068c944cc5a35ead496dd8f95211d4e278b8c7aa85", kill_on_drop: false }`
[INFO] [stdout] e5f2bf5adc1e321e741ab8068c944cc5a35ead496dd8f95211d4e278b8c7aa85
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] 6dcd682c0bf65e52d5c3b32669efd8ea7ebf1f4db84046bfcf471e8fbc32f0e4
[INFO] running `Command { std: "docker" "start" "-a" "6dcd682c0bf65e52d5c3b32669efd8ea7ebf1f4db84046bfcf471e8fbc32f0e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_server-062c10513a21f796)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::read_file ... ok
[INFO] [stdout] test tests::msg_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_server-2c8dd03f3993067a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt_server
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dcd682c0bf65e52d5c3b32669efd8ea7ebf1f4db84046bfcf471e8fbc32f0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcd682c0bf65e52d5c3b32669efd8ea7ebf1f4db84046bfcf471e8fbc32f0e4", kill_on_drop: false }`
[INFO] [stdout] 6dcd682c0bf65e52d5c3b32669efd8ea7ebf1f4db84046bfcf471e8fbc32f0e4