[INFO] cloning repository https://github.com/zhao-kun/mqtt-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhao-kun/mqtt-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhao-kun%2Fmqtt-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhao-kun%2Fmqtt-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8defa244e7bd978425b3bff868b014d9a207ee56
[INFO] checking zhao-kun/mqtt-bench against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhao-kun%2Fmqtt-bench" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhao-kun/mqtt-bench on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhao-kun/mqtt-bench
[INFO] finished tweaking git repo https://github.com/zhao-kun/mqtt-bench
[INFO] tweaked toml for git repo https://github.com/zhao-kun/mqtt-bench written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zhao-kun/mqtt-bench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.0.0
[INFO] [stderr]   Downloaded atomic-shim v0.2.0
[INFO] [stderr]   Downloaded metrics-macros v0.4.1
[INFO] [stderr]   Downloaded metrics-util v0.10.2
[INFO] [stderr]   Downloaded mqtt-protocol v0.11.1
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.7.0
[INFO] [stderr]   Downloaded bumpalo v3.9.0
[INFO] [stderr]   Downloaded metrics v0.17.1
[INFO] [stderr]   Downloaded text-template v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79670e54acc2d9b87a1db10c37d0caf2e0730e60871db998bf7531e95c9a0d4d
[INFO] running `Command { std: "docker" "start" "-a" "79670e54acc2d9b87a1db10c37d0caf2e0730e60871db998bf7531e95c9a0d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79670e54acc2d9b87a1db10c37d0caf2e0730e60871db998bf7531e95c9a0d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79670e54acc2d9b87a1db10c37d0caf2e0730e60871db998bf7531e95c9a0d4d", kill_on_drop: false }`
[INFO] [stdout] 79670e54acc2d9b87a1db10c37d0caf2e0730e60871db998bf7531e95c9a0d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79bfee66c18f58fcd18b8fc0661fb89a8b020e87b5bd8d91711d24b5b7bacee8
[INFO] running `Command { std: "docker" "start" "-a" "79bfee66c18f58fcd18b8fc0661fb89a8b020e87b5bd8d91711d24b5b7bacee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
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[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling metrics-macros v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking metrics-util v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.0.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking mqtt-protocol v0.11.1
[INFO] [stderr]     Checking metrics-exporter-prometheus v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking mqtt-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.85s
[INFO] running `Command { std: "docker" "inspect" "79bfee66c18f58fcd18b8fc0661fb89a8b020e87b5bd8d91711d24b5b7bacee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bfee66c18f58fcd18b8fc0661fb89a8b020e87b5bd8d91711d24b5b7bacee8", kill_on_drop: false }`
[INFO] [stdout] 79bfee66c18f58fcd18b8fc0661fb89a8b020e87b5bd8d91711d24b5b7bacee8