[INFO] fetching crate serde_prometheus 0.1.4...
[INFO] documenting serde_prometheus-0.1.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate serde_prometheus 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_prometheus 0.1.4 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 serde_prometheus 0.1.4
[INFO] finished tweaking crates.io crate serde_prometheus 0.1.4
[INFO] tweaked toml for crates.io crate serde_prometheus 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate serde_prometheus 0.1.4 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ftoa v0.1.1
[INFO] [stderr]   Downloaded synattra v0.2.0
[INFO] [stderr]   Downloaded aspect-weave v0.2.0
[INFO] [stderr]   Downloaded metered v0.4.0
[INFO] [stderr]   Downloaded aspect v0.2.0
[INFO] [stderr]   Downloaded metered-macro v0.4.0
[INFO] [stderr]   Downloaded auto_enums_core v0.5.10
[INFO] [stderr]   Downloaded auto_enums_derive v0.5.10
[INFO] [stderr]   Downloaded auto_enums v0.5.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ddb24ce3fccbad19cde3d947f7f14f1432914eca0fcd5dee47c6635e47f49c6c
[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" "ddb24ce3fccbad19cde3d947f7f14f1432914eca0fcd5dee47c6635e47f49c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb24ce3fccbad19cde3d947f7f14f1432914eca0fcd5dee47c6635e47f49c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb24ce3fccbad19cde3d947f7f14f1432914eca0fcd5dee47c6635e47f49c6c", kill_on_drop: false }`
[INFO] [stdout] ddb24ce3fccbad19cde3d947f7f14f1432914eca0fcd5dee47c6635e47f49c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 8374bfe6afeaafd50baeb4d74d000c0eac01a11bf79ce099cba36b4549be714a
[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" "8374bfe6afeaafd50baeb4d74d000c0eac01a11bf79ce099cba36b4549be714a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]     Checking ftoa v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]  Documenting serde_prometheus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.74s
[INFO] running `Command { std: "docker" "inspect" "8374bfe6afeaafd50baeb4d74d000c0eac01a11bf79ce099cba36b4549be714a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8374bfe6afeaafd50baeb4d74d000c0eac01a11bf79ce099cba36b4549be714a", kill_on_drop: false }`
[INFO] [stdout] 8374bfe6afeaafd50baeb4d74d000c0eac01a11bf79ce099cba36b4549be714a
