[INFO] fetching crate subplot 0.1.0...
[INFO] documenting subplot-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate subplot 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate subplot 0.1.0 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 subplot 0.1.0
[INFO] finished tweaking crates.io crate subplot 0.1.0
[INFO] tweaked toml for crates.io crate subplot 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate subplot 0.1.0 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 roadmap v0.1.0
[INFO] [stderr]   Downloaded tempfile-fast v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 81482998bbf239756ca8a3c258fba04906476a27d66cff54be3bc50f9f718f57
[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" "81482998bbf239756ca8a3c258fba04906476a27d66cff54be3bc50f9f718f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81482998bbf239756ca8a3c258fba04906476a27d66cff54be3bc50f9f718f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81482998bbf239756ca8a3c258fba04906476a27d66cff54be3bc50f9f718f57", kill_on_drop: false }`
[INFO] [stdout] 81482998bbf239756ca8a3c258fba04906476a27d66cff54be3bc50f9f718f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d8be7a4dc95aa8c4c376ce56e563817ff008fc60bb07bca8d616c5299de7990c
[INFO] running `Command { std: "docker" "start" "-a" "d8be7a4dc95aa8c4c376ce56e563817ff008fc60bb07bca8d616c5299de7990c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking pandoc v0.7.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tempfile-fast v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]     Checking roadmap v0.1.0
[INFO] [stderr]     Checking pandoc_ast v0.7.2
[INFO] [stderr]     Checking subplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting subplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.07s
[INFO] running `Command { std: "docker" "inspect" "d8be7a4dc95aa8c4c376ce56e563817ff008fc60bb07bca8d616c5299de7990c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8be7a4dc95aa8c4c376ce56e563817ff008fc60bb07bca8d616c5299de7990c", kill_on_drop: false }`
[INFO] [stdout] d8be7a4dc95aa8c4c376ce56e563817ff008fc60bb07bca8d616c5299de7990c