[INFO] cloning repository https://github.com/indiscipline/ffmpeg-loudnorm-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/indiscipline/ffmpeg-loudnorm-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findiscipline%2Fffmpeg-loudnorm-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findiscipline%2Fffmpeg-loudnorm-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5943e4a79d50b73f499a2eb75e8b75e43a7be3d3
[INFO] documenting indiscipline/ffmpeg-loudnorm-helper against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findiscipline%2Fffmpeg-loudnorm-helper" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/indiscipline/ffmpeg-loudnorm-helper on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/indiscipline/ffmpeg-loudnorm-helper
[INFO] finished tweaking git repo https://github.com/indiscipline/ffmpeg-loudnorm-helper
[INFO] tweaked toml for git repo https://github.com/indiscipline/ffmpeg-loudnorm-helper written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/indiscipline/ffmpeg-loudnorm-helper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "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] bd20b9a03e246adaaf96fc52a4abeb730409bff1c3f9535751b90d6913a108e9
[INFO] running `Command { std: "docker" "start" "-a" "bd20b9a03e246adaaf96fc52a4abeb730409bff1c3f9535751b90d6913a108e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd20b9a03e246adaaf96fc52a4abeb730409bff1c3f9535751b90d6913a108e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd20b9a03e246adaaf96fc52a4abeb730409bff1c3f9535751b90d6913a108e9", kill_on_drop: false }`
[INFO] [stdout] bd20b9a03e246adaaf96fc52a4abeb730409bff1c3f9535751b90d6913a108e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5308f9d13f49a80779c4c7e576b0b0d91e80da4ba843b125890c3c0c0e59e879
[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" "5308f9d13f49a80779c4c7e576b0b0d91e80da4ba843b125890c3c0c0e59e879", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]  Documenting ffmpeg-lh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.47s
[INFO] running `Command { std: "docker" "inspect" "5308f9d13f49a80779c4c7e576b0b0d91e80da4ba843b125890c3c0c0e59e879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5308f9d13f49a80779c4c7e576b0b0d91e80da4ba843b125890c3c0c0e59e879", kill_on_drop: false }`
[INFO] [stdout] 5308f9d13f49a80779c4c7e576b0b0d91e80da4ba843b125890c3c0c0e59e879