[INFO] fetching crate usvg 0.11.0...
[INFO] documenting usvg-0.11.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate usvg 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate usvg 0.11.0 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 usvg 0.11.0
[INFO] finished tweaking crates.io crate usvg 0.11.0
[INFO] tweaked toml for crates.io crate usvg 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate usvg 0.11.0 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 pico-args v0.3.3
[INFO] [stderr]   Downloaded unicode-script v0.5.2
[INFO] [stderr]   Downloaded kurbo v0.6.2
[INFO] [stderr]   Downloaded fontdb v0.1.0
[INFO] [stderr]   Downloaded rustybuzz v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3fa66795ec67ab56f0d1bfa78e702101f9234a27ba9e7d4c5ccae46eb0cd3028
[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" "3fa66795ec67ab56f0d1bfa78e702101f9234a27ba9e7d4c5ccae46eb0cd3028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa66795ec67ab56f0d1bfa78e702101f9234a27ba9e7d4c5ccae46eb0cd3028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa66795ec67ab56f0d1bfa78e702101f9234a27ba9e7d4c5ccae46eb0cd3028", kill_on_drop: false }`
[INFO] [stdout] 3fa66795ec67ab56f0d1bfa78e702101f9234a27ba9e7d4c5ccae46eb0cd3028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d57d78c982c84286eb53f373a813eaa9e8fe5fc452d06dc1364f83ea50612e3e
[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" "d57d78c982c84286eb53f373a813eaa9e8fe5fc452d06dc1364f83ea50612e3e", kill_on_drop: false }`
[INFO] [stderr]     Checking xmlparser v0.13.2
[INFO] [stderr]     Checking pico-args v0.3.3
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking kurbo v0.6.2
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]     Checking fontdb v0.1.0
[INFO] [stderr]     Checking roxmltree v0.13.0
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]  Documenting usvg v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.71s
[INFO] running `Command { std: "docker" "inspect" "d57d78c982c84286eb53f373a813eaa9e8fe5fc452d06dc1364f83ea50612e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57d78c982c84286eb53f373a813eaa9e8fe5fc452d06dc1364f83ea50612e3e", kill_on_drop: false }`
[INFO] [stdout] d57d78c982c84286eb53f373a813eaa9e8fe5fc452d06dc1364f83ea50612e3e