[INFO] fetching crate netmod-mem 0.1.0...
[INFO] documenting netmod-mem-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate netmod-mem 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate netmod-mem 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 netmod-mem 0.1.0
[INFO] finished tweaking crates.io crate netmod-mem 0.1.0
[INFO] tweaked toml for crates.io crate netmod-mem 0.1.0 written to /workspace/builds/worker-4/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 blake2 v0.8.1
[INFO] [stderr]   Downloaded conjoiner-engine v1.2.3
[INFO] [stderr]   Downloaded ratman-identity v0.3.0
[INFO] [stderr]   Downloaded ratman-netmod v0.3.0
[INFO] [stderr]   Downloaded ratman-identity v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9a5a0bca22837dc2aa5270edde3bc06ffefca8b6b13d221e0cd0dad4a9054a4e
[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" "9a5a0bca22837dc2aa5270edde3bc06ffefca8b6b13d221e0cd0dad4a9054a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5a0bca22837dc2aa5270edde3bc06ffefca8b6b13d221e0cd0dad4a9054a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5a0bca22837dc2aa5270edde3bc06ffefca8b6b13d221e0cd0dad4a9054a4e", kill_on_drop: false }`
[INFO] [stdout] 9a5a0bca22837dc2aa5270edde3bc06ffefca8b6b13d221e0cd0dad4a9054a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 611eba26bb409bfca80cde497f7967381e0e297fcfba2cdfaa237fe22aa75756
[INFO] running `Command { std: "docker" "start" "-a" "611eba26bb409bfca80cde497f7967381e0e297fcfba2cdfaa237fe22aa75756", kill_on_drop: false }`
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking heapless v0.5.5
[INFO] [stderr]     Checking ratman-identity v0.3.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking ratman-identity v0.4.0
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking postcard v0.4.3
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking conjoiner-engine v1.2.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]     Checking ratman-netmod v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]  Documenting netmod-mem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "611eba26bb409bfca80cde497f7967381e0e297fcfba2cdfaa237fe22aa75756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611eba26bb409bfca80cde497f7967381e0e297fcfba2cdfaa237fe22aa75756", kill_on_drop: false }`
[INFO] [stdout] 611eba26bb409bfca80cde497f7967381e0e297fcfba2cdfaa237fe22aa75756