[INFO] fetching crate slog-extlog-derive 6.0.1...
[INFO] documenting slog-extlog-derive-6.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate slog-extlog-derive 6.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate slog-extlog-derive 6.0.1 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 slog-extlog-derive 6.0.1
[INFO] finished tweaking crates.io crate slog-extlog-derive 6.0.1
[INFO] tweaked toml for crates.io crate slog-extlog-derive 6.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 iobuffer v0.2.0
[INFO] [stderr]   Downloaded slog-extlog v6.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 83a20d3093b6fa42bba9fc5e560e6963647f57f54f5143885708db88da7ae8fb
[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" "83a20d3093b6fa42bba9fc5e560e6963647f57f54f5143885708db88da7ae8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a20d3093b6fa42bba9fc5e560e6963647f57f54f5143885708db88da7ae8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a20d3093b6fa42bba9fc5e560e6963647f57f54f5143885708db88da7ae8fb", kill_on_drop: false }`
[INFO] [stdout] 83a20d3093b6fa42bba9fc5e560e6963647f57f54f5143885708db88da7ae8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 545342293be94f1203afe9f788b7f1c7d998260f5a588737d462b376fbbc4033
[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" "545342293be94f1203afe9f788b7f1c7d998260f5a588737d462b376fbbc4033", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking iobuffer v0.2.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking slog-extlog v6.0.1
[INFO] [stderr]  Documenting slog-extlog-derive v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "545342293be94f1203afe9f788b7f1c7d998260f5a588737d462b376fbbc4033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545342293be94f1203afe9f788b7f1c7d998260f5a588737d462b376fbbc4033", kill_on_drop: false }`
[INFO] [stdout] 545342293be94f1203afe9f788b7f1c7d998260f5a588737d462b376fbbc4033