[INFO] fetching crate arduino_nano33iot 0.2.0...
[INFO] documenting arduino_nano33iot-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate arduino_nano33iot 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate arduino_nano33iot 0.2.0 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] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate arduino_nano33iot 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arduino_nano33iot 0.2.0
[INFO] tweaked toml for crates.io crate arduino_nano33iot 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate arduino_nano33iot 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf1ceb5d013ef76a41d39ab709d0786832b74665f1e8677665210cf26f9d5fe7
[INFO] running `Command { std: "docker" "start" "-a" "cf1ceb5d013ef76a41d39ab709d0786832b74665f1e8677665210cf26f9d5fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1ceb5d013ef76a41d39ab709d0786832b74665f1e8677665210cf26f9d5fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1ceb5d013ef76a41d39ab709d0786832b74665f1e8677665210cf26f9d5fe7", kill_on_drop: false }`
[INFO] [stdout] cf1ceb5d013ef76a41d39ab709d0786832b74665f1e8677665210cf26f9d5fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 40841c249fe533259d1bc1774d1645be698a55117ad3ac72bf00d28828c7b7f1
[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" "40841c249fe533259d1bc1774d1645be698a55117ad3ac72bf00d28828c7b7f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling atsamd21g18a v0.7.0
[INFO] [stderr]    Compiling arduino_nano33iot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking aligned v0.3.3
[INFO] [stderr]     Checking cortex-m v0.6.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking atsamd-hal v0.9.0
[INFO] [stderr]  Documenting arduino_nano33iot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.36s
[INFO] running `Command { std: "docker" "inspect" "40841c249fe533259d1bc1774d1645be698a55117ad3ac72bf00d28828c7b7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40841c249fe533259d1bc1774d1645be698a55117ad3ac72bf00d28828c7b7f1", kill_on_drop: false }`
[INFO] [stdout] 40841c249fe533259d1bc1774d1645be698a55117ad3ac72bf00d28828c7b7f1