[INFO] fetching crate umberwm 0.0.14...
[INFO] documenting umberwm-0.0.14 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate umberwm 0.0.14 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate umberwm 0.0.14 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umberwm 0.0.14
[INFO] finished tweaking crates.io crate umberwm 0.0.14
[INFO] tweaked toml for crates.io crate umberwm 0.0.14 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate umberwm 0.0.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54911810d6fddf75560b8334301cfde1df9d23a5e33f08b3731f85a7f87d1cbd
[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" "54911810d6fddf75560b8334301cfde1df9d23a5e33f08b3731f85a7f87d1cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54911810d6fddf75560b8334301cfde1df9d23a5e33f08b3731f85a7f87d1cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54911810d6fddf75560b8334301cfde1df9d23a5e33f08b3731f85a7f87d1cbd", kill_on_drop: false }`
[INFO] [stdout] 54911810d6fddf75560b8334301cfde1df9d23a5e33f08b3731f85a7f87d1cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83ae19ad49c9490329cc3feb5dd05842d4135e607556ad4690c7f6754ace49c1
[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" "83ae19ad49c9490329cc3feb5dd05842d4135e607556ad4690c7f6754ace49c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]  Documenting umberwm v0.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "83ae19ad49c9490329cc3feb5dd05842d4135e607556ad4690c7f6754ace49c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ae19ad49c9490329cc3feb5dd05842d4135e607556ad4690c7f6754ace49c1", kill_on_drop: false }`
[INFO] [stdout] 83ae19ad49c9490329cc3feb5dd05842d4135e607556ad4690c7f6754ace49c1
