[INFO] fetching crate cargo-proc-macro 0.1.3...
[INFO] documenting cargo-proc-macro-0.1.3 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate cargo-proc-macro 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-proc-macro 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-proc-macro 0.1.3
[INFO] finished tweaking crates.io crate cargo-proc-macro 0.1.3
[INFO] tweaked toml for crates.io crate cargo-proc-macro 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-proc-macro 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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 gumdrop_derive v0.8.0
[INFO] [stderr]   Downloaded gumdrop v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad95cc3b53a1e00966cbe0c80b4bc55f3418149ae95ca72a428b9e1e2cf8c994
[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" "ad95cc3b53a1e00966cbe0c80b4bc55f3418149ae95ca72a428b9e1e2cf8c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad95cc3b53a1e00966cbe0c80b4bc55f3418149ae95ca72a428b9e1e2cf8c994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad95cc3b53a1e00966cbe0c80b4bc55f3418149ae95ca72a428b9e1e2cf8c994", kill_on_drop: false }`
[INFO] [stdout] ad95cc3b53a1e00966cbe0c80b4bc55f3418149ae95ca72a428b9e1e2cf8c994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a39defa9f3dcddae82a9aa0748d7b9757995a6fee87ce095cebb00c75e025f6
[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" "1a39defa9f3dcddae82a9aa0748d7b9757995a6fee87ce095cebb00c75e025f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]  Documenting cargo-proc-macro v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.02s
[INFO] running `Command { std: "docker" "inspect" "1a39defa9f3dcddae82a9aa0748d7b9757995a6fee87ce095cebb00c75e025f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a39defa9f3dcddae82a9aa0748d7b9757995a6fee87ce095cebb00c75e025f6", kill_on_drop: false }`
[INFO] [stdout] 1a39defa9f3dcddae82a9aa0748d7b9757995a6fee87ce095cebb00c75e025f6
