[INFO] fetching crate newrelic_plugin 0.1.0...
[INFO] documenting newrelic_plugin-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate newrelic_plugin 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate newrelic_plugin 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 newrelic_plugin 0.1.0
[INFO] finished tweaking crates.io crate newrelic_plugin 0.1.0
[INFO] tweaked toml for crates.io crate newrelic_plugin 0.1.0 written to /workspace/builds/worker-3/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 curl v0.4.33
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[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] 8905640ac520c69520c7a2837f298e5b5f28171d97ccf25661abfbb75c779130
[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" "8905640ac520c69520c7a2837f298e5b5f28171d97ccf25661abfbb75c779130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8905640ac520c69520c7a2837f298e5b5f28171d97ccf25661abfbb75c779130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8905640ac520c69520c7a2837f298e5b5f28171d97ccf25661abfbb75c779130", kill_on_drop: false }`
[INFO] [stdout] 8905640ac520c69520c7a2837f298e5b5f28171d97ccf25661abfbb75c779130
[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] 91adb80aeef19f63adc36028585708081cbab7059d28168bf39347d579a9cd25
[INFO] running `Command { std: "docker" "start" "-a" "91adb80aeef19f63adc36028585708081cbab7059d28168bf39347d579a9cd25", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]  Documenting newrelic_plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "91adb80aeef19f63adc36028585708081cbab7059d28168bf39347d579a9cd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91adb80aeef19f63adc36028585708081cbab7059d28168bf39347d579a9cd25", kill_on_drop: false }`
[INFO] [stdout] 91adb80aeef19f63adc36028585708081cbab7059d28168bf39347d579a9cd25