[INFO] fetching crate frunk-enum-derive 0.2.0...
[INFO] documenting frunk-enum-derive-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate frunk-enum-derive 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate frunk-enum-derive 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] started tweaking crates.io crate frunk-enum-derive 0.2.0
[INFO] finished tweaking crates.io crate frunk-enum-derive 0.2.0
[INFO] tweaked toml for crates.io crate frunk-enum-derive 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a7f76faf8c6e303062e20600584e4909a359b8527272032296e8c7e13eca2101
[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" "a7f76faf8c6e303062e20600584e4909a359b8527272032296e8c7e13eca2101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7f76faf8c6e303062e20600584e4909a359b8527272032296e8c7e13eca2101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f76faf8c6e303062e20600584e4909a359b8527272032296e8c7e13eca2101", kill_on_drop: false }`
[INFO] [stdout] a7f76faf8c6e303062e20600584e4909a359b8527272032296e8c7e13eca2101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b91132d8db47df9d601e942c567c8a8765660f42c91f13f92bf049a17feb2a42
[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" "b91132d8db47df9d601e942c567c8a8765660f42c91f13f92bf049a17feb2a42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking frunk_proc_macro_helpers v0.0.3
[INFO] [stderr]  Documenting frunk-enum-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "b91132d8db47df9d601e942c567c8a8765660f42c91f13f92bf049a17feb2a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91132d8db47df9d601e942c567c8a8765660f42c91f13f92bf049a17feb2a42", kill_on_drop: false }`
[INFO] [stdout] b91132d8db47df9d601e942c567c8a8765660f42c91f13f92bf049a17feb2a42