[INFO] fetching crate prometheus_exporter 0.6.1...
[INFO] documenting prometheus_exporter-0.6.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate prometheus_exporter 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate prometheus_exporter 0.6.1 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 prometheus_exporter 0.6.1
[INFO] finished tweaking crates.io crate prometheus_exporter 0.6.1
[INFO] tweaked toml for crates.io crate prometheus_exporter 0.6.1 written to /workspace/builds/worker-1/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 prometheus v0.9.0
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2187ea0d23e0fbe95f8c432579cc305767e73cc99e97b5ae959d5580782dd871
[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" "2187ea0d23e0fbe95f8c432579cc305767e73cc99e97b5ae959d5580782dd871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2187ea0d23e0fbe95f8c432579cc305767e73cc99e97b5ae959d5580782dd871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2187ea0d23e0fbe95f8c432579cc305767e73cc99e97b5ae959d5580782dd871", kill_on_drop: false }`
[INFO] [stdout] 2187ea0d23e0fbe95f8c432579cc305767e73cc99e97b5ae959d5580782dd871
[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-2020-10-09" "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] ec1ac82c75306351e327f3ca985bc6300f9c4f6973756aa66a740a586b2e1e07
[INFO] running `Command { std: "docker" "start" "-a" "ec1ac82c75306351e327f3ca985bc6300f9c4f6973756aa66a740a586b2e1e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]  Documenting prometheus_exporter v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.18s
[INFO] running `Command { std: "docker" "inspect" "ec1ac82c75306351e327f3ca985bc6300f9c4f6973756aa66a740a586b2e1e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1ac82c75306351e327f3ca985bc6300f9c4f6973756aa66a740a586b2e1e07", kill_on_drop: false }`
[INFO] [stdout] ec1ac82c75306351e327f3ca985bc6300f9c4f6973756aa66a740a586b2e1e07
