[INFO] fetching crate kurobako_problems 0.1.10...
[INFO] documenting kurobako_problems-0.1.10 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate kurobako_problems 0.1.10 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate kurobako_problems 0.1.10 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kurobako_problems 0.1.10
[INFO] finished tweaking crates.io crate kurobako_problems 0.1.10
[INFO] tweaked toml for crates.io crate kurobako_problems 0.1.10 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98255043458e2c86e82a7c075951a692088f21b84f5b3e9b72987116241364cb
[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" "98255043458e2c86e82a7c075951a692088f21b84f5b3e9b72987116241364cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98255043458e2c86e82a7c075951a692088f21b84f5b3e9b72987116241364cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98255043458e2c86e82a7c075951a692088f21b84f5b3e9b72987116241364cb", kill_on_drop: false }`
[INFO] [stdout] 98255043458e2c86e82a7c075951a692088f21b84f5b3e9b72987116241364cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa42e3379615c5765d8da2534c3d1c122d3d3a0851ea89dbecef39270ae20a3
[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" "5fa42e3379615c5765d8da2534c3d1c122d3d3a0851ea89dbecef39270ae20a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking randomforest v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]     Checking kurobako_core v0.1.8
[INFO] [stderr]     Checking hdf5file v0.1.1
[INFO] [stderr]     Checking nasbench v0.1.2
[INFO] [stderr]  Documenting kurobako_problems v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.40s
[INFO] running `Command { std: "docker" "inspect" "5fa42e3379615c5765d8da2534c3d1c122d3d3a0851ea89dbecef39270ae20a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa42e3379615c5765d8da2534c3d1c122d3d3a0851ea89dbecef39270ae20a3", kill_on_drop: false }`
[INFO] [stdout] 5fa42e3379615c5765d8da2534c3d1c122d3d3a0851ea89dbecef39270ae20a3
