[INFO] fetching crate synth 0.11.0...
[INFO] documenting synth-0.11.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate synth 0.11.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate synth 0.11.0 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 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-7/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 envelope v0.8.1
[INFO] [stderr]   Downloaded mindtree_utils v0.4.0
[INFO] [stderr]   Downloaded instrument v0.1.0
[INFO] [stderr]   Downloaded pitch_calc v0.11.1
[INFO] [stderr]   Downloaded simple_gaussian v0.4.5
[INFO] [stderr]   Downloaded panning v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4d723190ac3eff2f180ed947f2d5397a77152a0d53908e7913a9d50884cd0176
[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" "4d723190ac3eff2f180ed947f2d5397a77152a0d53908e7913a9d50884cd0176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d723190ac3eff2f180ed947f2d5397a77152a0d53908e7913a9d50884cd0176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d723190ac3eff2f180ed947f2d5397a77152a0d53908e7913a9d50884cd0176", kill_on_drop: false }`
[INFO] [stdout] 4d723190ac3eff2f180ed947f2d5397a77152a0d53908e7913a9d50884cd0176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7a9b45ee70a84af908e04ea9e2c29ea15566cdea838a9fa7112d3c6b79dd4246
[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" "7a9b45ee70a84af908e04ea9e2c29ea15566cdea838a9fa7112d3c6b79dd4246", kill_on_drop: false }`
[INFO] [stderr]     Checking sample v0.6.2
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking panning v0.1.1
[INFO] [stderr]     Checking petgraph v0.2.10
[INFO] [stderr]     Checking time_calc v0.11.1
[INFO] [stderr]     Checking pitch_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 6.86s
[INFO] running `Command { std: "docker" "inspect" "7a9b45ee70a84af908e04ea9e2c29ea15566cdea838a9fa7112d3c6b79dd4246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9b45ee70a84af908e04ea9e2c29ea15566cdea838a9fa7112d3c6b79dd4246", kill_on_drop: false }`
[INFO] [stdout] 7a9b45ee70a84af908e04ea9e2c29ea15566cdea838a9fa7112d3c6b79dd4246