[INFO] cloning repository https://github.com/prongbang/rust-mqttx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prongbang/rust-mqttx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprongbang%2Frust-mqttx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprongbang%2Frust-mqttx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 765516ac1c7aa3224b1b81f348ae4858391c0fe2
[INFO] checking prongbang/rust-mqttx against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprongbang%2Frust-mqttx" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prongbang/rust-mqttx on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prongbang/rust-mqttx
[INFO] finished tweaking git repo https://github.com/prongbang/rust-mqttx
[INFO] tweaked toml for git repo https://github.com/prongbang/rust-mqttx written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/prongbang/rust-mqttx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/eclipse/paho.mqtt.rust.git`
[INFO] [stderr]     Updating git submodule `https://github.com/eclipse/paho.mqtt.c.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking prongbang/rust-mqttx against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprongbang%2Frust-mqttx" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prongbang/rust-mqttx on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prongbang/rust-mqttx
[INFO] finished tweaking git repo https://github.com/prongbang/rust-mqttx
[INFO] tweaked toml for git repo https://github.com/prongbang/rust-mqttx written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/prongbang/rust-mqttx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5794d4b44c3f5f2e8c953b1e9dc3dbc635ebf1260cb8371688450c650e1374b9
[INFO] running `Command { std: "docker" "start" "-a" "5794d4b44c3f5f2e8c953b1e9dc3dbc635ebf1260cb8371688450c650e1374b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5794d4b44c3f5f2e8c953b1e9dc3dbc635ebf1260cb8371688450c650e1374b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5794d4b44c3f5f2e8c953b1e9dc3dbc635ebf1260cb8371688450c650e1374b9", kill_on_drop: false }`
[INFO] [stdout] 5794d4b44c3f5f2e8c953b1e9dc3dbc635ebf1260cb8371688450c650e1374b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d9dc6a3fdb108488a391ea7fe98e9f484c565a1492164ccc73a2d04331188a
[INFO] running `Command { std: "docker" "start" "-a" "74d9dc6a3fdb108488a391ea7fe98e9f484c565a1492164ccc73a2d04331188a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling paho-mqtt-sys v0.5.0 (https://github.com/eclipse/paho.mqtt.rust.git?branch=master#d3280b3a)
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking paho-mqtt v0.10.0-pre-2 (https://github.com/eclipse/paho.mqtt.rust.git?branch=master#d3280b3a)
[INFO] [stderr]     Checking rust-mqttx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "74d9dc6a3fdb108488a391ea7fe98e9f484c565a1492164ccc73a2d04331188a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d9dc6a3fdb108488a391ea7fe98e9f484c565a1492164ccc73a2d04331188a", kill_on_drop: false }`
[INFO] [stdout] 74d9dc6a3fdb108488a391ea7fe98e9f484c565a1492164ccc73a2d04331188a