[INFO] cloning repository https://github.com/jlgerber/packybara
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlgerber/packybara" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fpackybara", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fpackybara'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82c913a197be8000d4f818433fdac8905a257296
[INFO] documenting jlgerber/packybara against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fpackybara" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlgerber/packybara 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 git repo https://github.com/jlgerber/packybara
[INFO] finished tweaking git repo https://github.com/jlgerber/packybara
[INFO] tweaked toml for git repo https://github.com/jlgerber/packybara written to /workspace/builds/worker-4/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] [stderr]     Updating git repository `https://github.com/jlgerber/rust-lspec.git`
[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 whoami v0.8.2
[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" "+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] 5efad5d2b3538b42c68b9f495d979fe3b47ef159ee9c631720d60952b886660f
[INFO] running `Command { std: "docker" "start" "-a" "5efad5d2b3538b42c68b9f495d979fe3b47ef159ee9c631720d60952b886660f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5efad5d2b3538b42c68b9f495d979fe3b47ef159ee9c631720d60952b886660f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efad5d2b3538b42c68b9f495d979fe3b47ef159ee9c631720d60952b886660f", kill_on_drop: false }`
[INFO] [stdout] 5efad5d2b3538b42c68b9f495d979fe3b47ef159ee9c631720d60952b886660f
[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" "+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] fd1691c57f094fc36a75e9ca4d2371bc3ea1028736e232314cf171c059be4b7b
[INFO] running `Command { std: "docker" "start" "-a" "fd1691c57f094fc36a75e9ca4d2371bc3ea1028736e232314cf171c059be4b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking simple_xml_serialize v0.2.3
[INFO] [stderr]     Checking whoami v0.8.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking levelspec v0.10.0 (https://github.com/jlgerber/rust-lspec.git?tag=v0.10.0#021601f6)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling simple_xml_serialize_macro v0.2.1
[INFO] [stderr]  Documenting packybara v0.53.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.04s
[INFO] running `Command { std: "docker" "inspect" "fd1691c57f094fc36a75e9ca4d2371bc3ea1028736e232314cf171c059be4b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1691c57f094fc36a75e9ca4d2371bc3ea1028736e232314cf171c059be4b7b", kill_on_drop: false }`
[INFO] [stdout] fd1691c57f094fc36a75e9ca4d2371bc3ea1028736e232314cf171c059be4b7b