[INFO] cloning repository https://github.com/eutampieri/rust_flowmsg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eutampieri/rust_flowmsg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2Frust_flowmsg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2Frust_flowmsg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52ee5cdaf4d91c84989d9f6bdde93a1e6affcfef
[INFO] testing eutampieri/rust_flowmsg against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2Frust_flowmsg" "/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/eutampieri/rust_flowmsg on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eutampieri/rust_flowmsg
[INFO] finished tweaking git repo https://github.com/eutampieri/rust_flowmsg
[INFO] tweaked toml for git repo https://github.com/eutampieri/rust_flowmsg written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/eutampieri/rust_flowmsg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paho-mqtt v0.9.1
[INFO] [stderr]   Downloaded str-buf v2.0.0
[INFO] [stderr]   Downloaded lolid v1.0.8
[INFO] [stderr]   Downloaded paho-mqtt-sys v0.5.0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] b484cf98f46f24201a82a8e8f20a89a3287462e581922f248a8a08f6fc3ff2ee
[INFO] running `Command { std: "docker" "start" "-a" "b484cf98f46f24201a82a8e8f20a89a3287462e581922f248a8a08f6fc3ff2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b484cf98f46f24201a82a8e8f20a89a3287462e581922f248a8a08f6fc3ff2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b484cf98f46f24201a82a8e8f20a89a3287462e581922f248a8a08f6fc3ff2ee", kill_on_drop: false }`
[INFO] [stdout] b484cf98f46f24201a82a8e8f20a89a3287462e581922f248a8a08f6fc3ff2ee
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb53b0e5d7d0b12197913e4a57687e49e2de1850f6b5e3a06937eccb5557efd
[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" "8fb53b0e5d7d0b12197913e4a57687e49e2de1850f6b5e3a06937eccb5557efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling str-buf v2.0.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling lolid v1.0.8
[INFO] [stderr]    Compiling paho-mqtt-sys v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling paho-mqtt v0.9.1
[INFO] [stderr]    Compiling rust_flowmsg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         client.connect(connection_options);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.84s
[INFO] running `Command { std: "docker" "inspect" "8fb53b0e5d7d0b12197913e4a57687e49e2de1850f6b5e3a06937eccb5557efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb53b0e5d7d0b12197913e4a57687e49e2de1850f6b5e3a06937eccb5557efd", kill_on_drop: false }`
[INFO] [stdout] 8fb53b0e5d7d0b12197913e4a57687e49e2de1850f6b5e3a06937eccb5557efd
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] be6ba67749dbd2c0350accf2be8b187735be5cfb16bea8ce0e9f5714032e1813
[INFO] running `Command { std: "docker" "start" "-a" "be6ba67749dbd2c0350accf2be8b187735be5cfb16bea8ce0e9f5714032e1813", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_flowmsg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         client.connect(connection_options);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "be6ba67749dbd2c0350accf2be8b187735be5cfb16bea8ce0e9f5714032e1813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6ba67749dbd2c0350accf2be8b187735be5cfb16bea8ce0e9f5714032e1813", kill_on_drop: false }`
[INFO] [stdout] be6ba67749dbd2c0350accf2be8b187735be5cfb16bea8ce0e9f5714032e1813
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87cb99bfb533073b9c62de1d0ebd8359032397caa2a37e620dd2af567d959d4f
[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" "87cb99bfb533073b9c62de1d0ebd8359032397caa2a37e620dd2af567d959d4f", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/io.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         client.connect(connection_options);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_flowmsg` (bin "rust_flowmsg" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_flowmsg-5b48e4dcdf8abdd7)
[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" "87cb99bfb533073b9c62de1d0ebd8359032397caa2a37e620dd2af567d959d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cb99bfb533073b9c62de1d0ebd8359032397caa2a37e620dd2af567d959d4f", kill_on_drop: false }`
[INFO] [stdout] 87cb99bfb533073b9c62de1d0ebd8359032397caa2a37e620dd2af567d959d4f