[INFO] fetching crate synth 0.11.0...
[INFO] documenting synth-0.11.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate synth 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate synth 0.11.0 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 synth 0.11.0
[INFO] finished tweaking crates.io crate synth 0.11.0
[INFO] tweaked toml for crates.io crate synth 0.11.0 written to /workspace/builds/worker-2/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mindtree_utils v0.4.0
[INFO] [stderr]   Downloaded dsp-chain v0.13.1
[INFO] [stderr]   Downloaded envelope v0.8.1
[INFO] [stderr]   Downloaded instrument v0.1.0
[INFO] [stderr]   Downloaded simple_gaussian v0.4.5
[INFO] [stderr]   Downloaded panning v0.1.1
[INFO] [stderr]   Downloaded time_calc v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1430d62171702dec08a60908d44c36ed253650d0f6c333e10f93ec8e978b3320
[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" "1430d62171702dec08a60908d44c36ed253650d0f6c333e10f93ec8e978b3320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1430d62171702dec08a60908d44c36ed253650d0f6c333e10f93ec8e978b3320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1430d62171702dec08a60908d44c36ed253650d0f6c333e10f93ec8e978b3320", kill_on_drop: false }`
[INFO] [stdout] 1430d62171702dec08a60908d44c36ed253650d0f6c333e10f93ec8e978b3320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d6e0a698f2ab84250f4a56b0ce02aaedc38a6e7f907846b249a147ccb2bbae71
[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" "d6e0a698f2ab84250f4a56b0ce02aaedc38a6e7f907846b249a147ccb2bbae71", kill_on_drop: false }`
[INFO] [stderr]     Checking sample v0.6.2
[INFO] [stderr]     Checking panning v0.1.1
[INFO] [stderr]     Checking petgraph v0.2.10
[INFO] [stderr]     Checking pitch_calc v0.11.1
[INFO] [stderr]     Checking time_calc v0.11.1
[INFO] [stderr]     Checking mindtree_utils v0.4.0
[INFO] [stderr]     Checking envelope v0.8.1
[INFO] [stderr]     Checking simple_gaussian v0.4.5
[INFO] [stderr]     Checking instrument v0.1.0
[INFO] [stderr]     Checking daggy v0.4.1
[INFO] [stderr]     Checking dsp-chain v0.13.1
[INFO] [stderr]  Documenting synth v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "d6e0a698f2ab84250f4a56b0ce02aaedc38a6e7f907846b249a147ccb2bbae71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e0a698f2ab84250f4a56b0ce02aaedc38a6e7f907846b249a147ccb2bbae71", kill_on_drop: false }`
[INFO] [stdout] d6e0a698f2ab84250f4a56b0ce02aaedc38a6e7f907846b249a147ccb2bbae71
