[INFO] fetching crate remoteprocess 0.3.4...
[INFO] documenting remoteprocess-0.3.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate remoteprocess 0.3.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate remoteprocess 0.3.4 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 remoteprocess 0.3.4
[INFO] finished tweaking crates.io crate remoteprocess 0.3.4
[INFO] tweaked toml for crates.io crate remoteprocess 0.3.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate remoteprocess 0.3.4 already has a lockfile, it will not be regenerated
[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 cpp_demangle v0.2.14
[INFO] [stderr]   Downloaded addr2line v0.11.0
[INFO] [stderr]   Downloaded benfred-read-process-memory v0.2.0
[INFO] [stderr]   Downloaded goblin v0.1.3
[INFO] [stderr]   Downloaded object v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 06400e566e0136b553c337db946fee70cd5dd1ee28e63ee04152c4b2811cdf5e
[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" "06400e566e0136b553c337db946fee70cd5dd1ee28e63ee04152c4b2811cdf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06400e566e0136b553c337db946fee70cd5dd1ee28e63ee04152c4b2811cdf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06400e566e0136b553c337db946fee70cd5dd1ee28e63ee04152c4b2811cdf5e", kill_on_drop: false }`
[INFO] [stdout] 06400e566e0136b553c337db946fee70cd5dd1ee28e63ee04152c4b2811cdf5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad954d15b4a07407533a231e57f9275d253f8fe599ee043c8ea61e116a844724
[INFO] running `Command { std: "docker" "start" "-a" "ad954d15b4a07407533a231e57f9275d253f8fe599ee043c8ea61e116a844724", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling remoteprocess v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking benfred-read-process-memory v0.2.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking proc-maps v0.1.6
[INFO] [stderr]     Checking object v0.17.0
[INFO] [stderr]     Checking addr2line v0.11.0
[INFO] [stderr]  Documenting remoteprocess v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.60s
[INFO] running `Command { std: "docker" "inspect" "ad954d15b4a07407533a231e57f9275d253f8fe599ee043c8ea61e116a844724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad954d15b4a07407533a231e57f9275d253f8fe599ee043c8ea61e116a844724", kill_on_drop: false }`
[INFO] [stdout] ad954d15b4a07407533a231e57f9275d253f8fe599ee043c8ea61e116a844724