[INFO] cloning repository https://github.com/yaozijian/mqttlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaozijian/mqttlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d208dd74a9fa528c52a550f21d5124a015cc76b
[INFO] building yaozijian/mqttlib against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaozijian%2Fmqttlib" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaozijian/mqttlib on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] finished tweaking git repo https://github.com/yaozijian/mqttlib
[INFO] tweaked toml for git repo https://github.com/yaozijian/mqttlib written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/yaozijian/mqttlib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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 autocfg v0.1.2
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded bincode v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb241234322bc6aae8882bb9f211051f3daddc13c83bc514e8f03169c6545806
[INFO] running `Command { std: "docker" "start" "-a" "bb241234322bc6aae8882bb9f211051f3daddc13c83bc514e8f03169c6545806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb241234322bc6aae8882bb9f211051f3daddc13c83bc514e8f03169c6545806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb241234322bc6aae8882bb9f211051f3daddc13c83bc514e8f03169c6545806", kill_on_drop: false }`
[INFO] [stdout] bb241234322bc6aae8882bb9f211051f3daddc13c83bc514e8f03169c6545806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a85598f6cbacd8b197849363b49ba081f4618266d229076350c176e775790a91
[INFO] running `Command { std: "docker" "start" "-a" "a85598f6cbacd8b197849363b49ba081f4618266d229076350c176e775790a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling mqttlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `Command { std: "docker" "inspect" "a85598f6cbacd8b197849363b49ba081f4618266d229076350c176e775790a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85598f6cbacd8b197849363b49ba081f4618266d229076350c176e775790a91", kill_on_drop: false }`
[INFO] [stdout] a85598f6cbacd8b197849363b49ba081f4618266d229076350c176e775790a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32c4374efdb5cfd0295bee3b89d46e7e5006814dd07a3616e3f3aa92bf6bbe42
[INFO] running `Command { std: "docker" "start" "-a" "32c4374efdb5cfd0295bee3b89d46e7e5006814dd07a3616e3f3aa92bf6bbe42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mqttlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.75s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mqttlib-3020429683604692)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "32c4374efdb5cfd0295bee3b89d46e7e5006814dd07a3616e3f3aa92bf6bbe42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c4374efdb5cfd0295bee3b89d46e7e5006814dd07a3616e3f3aa92bf6bbe42", kill_on_drop: false }`
[INFO] [stdout] 32c4374efdb5cfd0295bee3b89d46e7e5006814dd07a3616e3f3aa92bf6bbe42