[INFO] fetching crate preftool-app-config 0.2.0...
[INFO] documenting preftool-app-config-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate preftool-app-config 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate preftool-app-config 0.2.0 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 preftool-app-config 0.2.0
[INFO] finished tweaking crates.io crate preftool-app-config 0.2.0
[INFO] tweaked toml for crates.io crate preftool-app-config 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 slog-async v2.5.0
[INFO] [stderr]   Downloaded slog-term v2.6.0
[INFO] [stderr]   Downloaded slog-kvfilter v0.7.0
[INFO] [stderr]   Downloaded sloggers v0.3.6
[INFO] [stderr]   Downloaded preftool-env v0.2.0
[INFO] [stderr]   Downloaded preftool-clap-derive v0.2.0
[INFO] [stderr]   Downloaded preftool-toml v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b4ebf4ec86744410b27a3fa9cc35e0e0d4d983aa8b05867e974e3302dab7833a
[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" "b4ebf4ec86744410b27a3fa9cc35e0e0d4d983aa8b05867e974e3302dab7833a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ebf4ec86744410b27a3fa9cc35e0e0d4d983aa8b05867e974e3302dab7833a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ebf4ec86744410b27a3fa9cc35e0e0d4d983aa8b05867e974e3302dab7833a", kill_on_drop: false }`
[INFO] [stdout] b4ebf4ec86744410b27a3fa9cc35e0e0d4d983aa8b05867e974e3302dab7833a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 724a0573920d0f944719f888262d503b536144bd535ea237765fa8cb5f63ef06
[INFO] running `Command { std: "docker" "start" "-a" "724a0573920d0f944719f888262d503b536144bd535ea237765fa8cb5f63ef06", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking dirs-sys v0.1.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-dirs v0.2.0
[INFO] [stderr]     Checking preftool-env v0.2.0
[INFO] [stderr]     Checking preftool-clap v0.2.0
[INFO] [stderr]     Checking preftool-file v0.2.0
[INFO] [stderr]     Checking preftool-toml v0.2.0
[INFO] [stderr]  Documenting preftool-app-config v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "724a0573920d0f944719f888262d503b536144bd535ea237765fa8cb5f63ef06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724a0573920d0f944719f888262d503b536144bd535ea237765fa8cb5f63ef06", kill_on_drop: false }`
[INFO] [stdout] 724a0573920d0f944719f888262d503b536144bd535ea237765fa8cb5f63ef06
