[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 1.46.0 for beta-1.47-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-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/songokas/rust-arduino-mqtt-pin on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89608ce05469350e6ad3ac8f006c6787079cac9b5aecfb385031e81bb9c941e4
[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" "89608ce05469350e6ad3ac8f006c6787079cac9b5aecfb385031e81bb9c941e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89608ce05469350e6ad3ac8f006c6787079cac9b5aecfb385031e81bb9c941e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89608ce05469350e6ad3ac8f006c6787079cac9b5aecfb385031e81bb9c941e4", kill_on_drop: false }`
[INFO] [stdout] 89608ce05469350e6ad3ac8f006c6787079cac9b5aecfb385031e81bb9c941e4
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4372bfd7a6765f846366617c36d826a8b6e439db06cf9836119cd8d6060ddd4
[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" "d4372bfd7a6765f846366617c36d826a8b6e439db06cf9836119cd8d6060ddd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking mosquitto-client v0.1.5
[INFO] [stderr]     Checking json v0.12.0
[INFO] [stderr]     Checking time v0.1.42
[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-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[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 24.42s
[INFO] running `Command { std: "docker" "inspect" "d4372bfd7a6765f846366617c36d826a8b6e439db06cf9836119cd8d6060ddd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4372bfd7a6765f846366617c36d826a8b6e439db06cf9836119cd8d6060ddd4", kill_on_drop: false }`
[INFO] [stdout] d4372bfd7a6765f846366617c36d826a8b6e439db06cf9836119cd8d6060ddd4