[INFO] fetching crate kurobako_problems 0.1.8...
[INFO] documenting kurobako_problems-0.1.8 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate kurobako_problems 0.1.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate kurobako_problems 0.1.8 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 kurobako_problems 0.1.8
[INFO] finished tweaking crates.io crate kurobako_problems 0.1.8
[INFO] tweaked toml for crates.io crate kurobako_problems 0.1.8 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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 protobuf_codec v0.2.8
[INFO] [stderr]   Downloaded nasbench v0.1.2
[INFO] [stderr]   Downloaded hdf5file v0.1.1
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f234935c4c2ff924b8778f824757d042138aad2721ab5f27d6cdfefb29a1b63b
[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" "f234935c4c2ff924b8778f824757d042138aad2721ab5f27d6cdfefb29a1b63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f234935c4c2ff924b8778f824757d042138aad2721ab5f27d6cdfefb29a1b63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f234935c4c2ff924b8778f824757d042138aad2721ab5f27d6cdfefb29a1b63b", kill_on_drop: false }`
[INFO] [stdout] f234935c4c2ff924b8778f824757d042138aad2721ab5f27d6cdfefb29a1b63b
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf6700ae3ba8c3b0db2520333594539412b4419203b21bae357ab81357a6c49f
[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" "cf6700ae3ba8c3b0db2520333594539412b4419203b21bae357ab81357a6c49f", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]     Checking kurobako_core v0.1.7
[INFO] [stderr]     Checking hdf5file v0.1.1
[INFO] [stderr]     Checking nasbench v0.1.2
[INFO] [stderr]  Documenting kurobako_problems v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.88s
[INFO] running `Command { std: "docker" "inspect" "cf6700ae3ba8c3b0db2520333594539412b4419203b21bae357ab81357a6c49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6700ae3ba8c3b0db2520333594539412b4419203b21bae357ab81357a6c49f", kill_on_drop: false }`
[INFO] [stdout] cf6700ae3ba8c3b0db2520333594539412b4419203b21bae357ab81357a6c49f