[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 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_server" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicolasLagaillardie/mqtt_server 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_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-2/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" "+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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31ef275d6733fc2855bf8c1c4ab09e647a338d4838fd23a268b13c34f06715b2
[INFO] running `Command { std: "docker" "start" "-a" "31ef275d6733fc2855bf8c1c4ab09e647a338d4838fd23a268b13c34f06715b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ef275d6733fc2855bf8c1c4ab09e647a338d4838fd23a268b13c34f06715b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ef275d6733fc2855bf8c1c4ab09e647a338d4838fd23a268b13c34f06715b2", kill_on_drop: false }`
[INFO] [stdout] 31ef275d6733fc2855bf8c1c4ab09e647a338d4838fd23a268b13c34f06715b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d22e3eddcde0546e771651181f39d92742b5818d3dbbc932e65b8a85394a470
[INFO] running `Command { std: "docker" "start" "-a" "1d22e3eddcde0546e771651181f39d92742b5818d3dbbc932e65b8a85394a470", kill_on_drop: false }`
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[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 nix v0.8.1
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling paho-mqtt-sys v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[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 qutex v0.2.3
[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 failure v0.1.6
[INFO] [stderr]    Compiling paho-mqtt v0.6.0
[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 26.62s
[INFO] running `Command { std: "docker" "inspect" "1d22e3eddcde0546e771651181f39d92742b5818d3dbbc932e65b8a85394a470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d22e3eddcde0546e771651181f39d92742b5818d3dbbc932e65b8a85394a470", kill_on_drop: false }`
[INFO] [stdout] 1d22e3eddcde0546e771651181f39d92742b5818d3dbbc932e65b8a85394a470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bbfbd6d06533a4d64a7bbb709120f7b986cfbfc828f727da19557df3eee018
[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" "c5bbfbd6d06533a4d64a7bbb709120f7b986cfbfc828f727da19557df3eee018", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "c5bbfbd6d06533a4d64a7bbb709120f7b986cfbfc828f727da19557df3eee018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bbfbd6d06533a4d64a7bbb709120f7b986cfbfc828f727da19557df3eee018", kill_on_drop: false }`
[INFO] [stdout] c5bbfbd6d06533a4d64a7bbb709120f7b986cfbfc828f727da19557df3eee018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c10d9d65c156a0652eed687618c4da8179ffe691bf8c7faf6d48a7a61614ad57
[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" "c10d9d65c156a0652eed687618c4da8179ffe691bf8c7faf6d48a7a61614ad57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_server-2f3a150c08489be3)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mqtt_server-5194fc815fc98ac7)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests mqtt_server
[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] [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] [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" "c10d9d65c156a0652eed687618c4da8179ffe691bf8c7faf6d48a7a61614ad57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10d9d65c156a0652eed687618c4da8179ffe691bf8c7faf6d48a7a61614ad57", kill_on_drop: false }`
[INFO] [stdout] c10d9d65c156a0652eed687618c4da8179ffe691bf8c7faf6d48a7a61614ad57