[INFO] cloning repository https://github.com/songokas/rust-arduino-mqtt-pin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/songokas/rust-arduino-mqtt-pin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongokas%2Frust-arduino-mqtt-pin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongokas%2Frust-arduino-mqtt-pin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 432e1ff59666363166c7758a182b96806ccbbbd2
[INFO] documenting songokas/rust-arduino-mqtt-pin against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongokas%2Frust-arduino-mqtt-pin" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/songokas/rust-arduino-mqtt-pin on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/songokas/rust-arduino-mqtt-pin
[INFO] finished tweaking git repo https://github.com/songokas/rust-arduino-mqtt-pin
[INFO] tweaked toml for git repo https://github.com/songokas/rust-arduino-mqtt-pin written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/songokas/rust-arduino-mqtt-pin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 arraydeque v0.4.5
[INFO] [stderr]   Downloaded mosquitto-client v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7afe303bb73261a12c0778b7c22a237ebf0eae7b3fc810f207bee4a8c81827cc
[INFO] running `Command { std: "docker" "start" "-a" "7afe303bb73261a12c0778b7c22a237ebf0eae7b3fc810f207bee4a8c81827cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7afe303bb73261a12c0778b7c22a237ebf0eae7b3fc810f207bee4a8c81827cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afe303bb73261a12c0778b7c22a237ebf0eae7b3fc810f207bee4a8c81827cc", kill_on_drop: false }`
[INFO] [stdout] 7afe303bb73261a12c0778b7c22a237ebf0eae7b3fc810f207bee4a8c81827cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebbf9f59673046e5d5d4d9754384f4bc863b70f19ebb3912caaef94e9f5213c8
[INFO] running `Command { std: "docker" "start" "-a" "ebbf9f59673046e5d5d4d9754384f4bc863b70f19ebb3912caaef94e9f5213c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking json v0.12.0
[INFO] [stderr]     Checking mosquitto-client v0.1.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]  Documenting arduino-mqtt-pin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.84s
[INFO] running `Command { std: "docker" "inspect" "ebbf9f59673046e5d5d4d9754384f4bc863b70f19ebb3912caaef94e9f5213c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbf9f59673046e5d5d4d9754384f4bc863b70f19ebb3912caaef94e9f5213c8", kill_on_drop: false }`
[INFO] [stdout] ebbf9f59673046e5d5d4d9754384f4bc863b70f19ebb3912caaef94e9f5213c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 937ff1fe9c3694bcea9cbe7604c70b4901b749de5bf69761283db38814ee6235
[INFO] running `Command { std: "docker" "start" "-a" "937ff1fe9c3694bcea9cbe7604c70b4901b749de5bf69761283db38814ee6235", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "937ff1fe9c3694bcea9cbe7604c70b4901b749de5bf69761283db38814ee6235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937ff1fe9c3694bcea9cbe7604c70b4901b749de5bf69761283db38814ee6235", kill_on_drop: false }`
[INFO] [stdout] 937ff1fe9c3694bcea9cbe7604c70b4901b749de5bf69761283db38814ee6235