[INFO] fetching crate wiggle-macro 0.19.0...
[INFO] documenting wiggle-macro-0.19.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wiggle-macro 0.19.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wiggle-macro 0.19.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wiggle-macro 0.19.0
[INFO] finished tweaking crates.io crate wiggle-macro 0.19.0
[INFO] tweaked toml for crates.io crate wiggle-macro 0.19.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wiggle-generate v0.19.0
[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" "+beta-2020-08-29" "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] 12ed12c5f0b07a0e9eb885a3d1819eba66403e392e1bbf78ec2bb2d204786d3a
[INFO] running `Command { std: "docker" "start" "-a" "12ed12c5f0b07a0e9eb885a3d1819eba66403e392e1bbf78ec2bb2d204786d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12ed12c5f0b07a0e9eb885a3d1819eba66403e392e1bbf78ec2bb2d204786d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ed12c5f0b07a0e9eb885a3d1819eba66403e392e1bbf78ec2bb2d204786d3a", kill_on_drop: false }`
[INFO] [stdout] 12ed12c5f0b07a0e9eb885a3d1819eba66403e392e1bbf78ec2bb2d204786d3a
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ad3c3c8918eabd69aa4e374fbebc4c3c6850ea938875489e3721a35241b9ae
[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" "a2ad3c3c8918eabd69aa4e374fbebc4c3c6850ea938875489e3721a35241b9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking witx v0.8.7
[INFO] [stderr]     Checking wiggle-generate v0.19.0
[INFO] [stderr]  Documenting wiggle-macro v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "a2ad3c3c8918eabd69aa4e374fbebc4c3c6850ea938875489e3721a35241b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ad3c3c8918eabd69aa4e374fbebc4c3c6850ea938875489e3721a35241b9ae", kill_on_drop: false }`
[INFO] [stdout] a2ad3c3c8918eabd69aa4e374fbebc4c3c6850ea938875489e3721a35241b9ae