[INFO] fetching crate oars 2.1.1...
[INFO] documenting oars-2.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate oars 2.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate oars 2.1.1 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 oars 2.1.1
[INFO] finished tweaking crates.io crate oars 2.1.1
[INFO] tweaked toml for crates.io crate oars 2.1.1 written to /workspace/builds/worker-5/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 rayon v1.4.0
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded primes v0.3.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.3
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded num-complex v0.3.0
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded oars_proc_macro v0.1.1
[INFO] [stderr]   Downloaded rayon-core v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 533f294bb38079ad00e4f21b633eba35f13d74dd2263f7a60e8e057579721ee3
[INFO] running `Command { std: "docker" "start" "-a" "533f294bb38079ad00e4f21b633eba35f13d74dd2263f7a60e8e057579721ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533f294bb38079ad00e4f21b633eba35f13d74dd2263f7a60e8e057579721ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533f294bb38079ad00e4f21b633eba35f13d74dd2263f7a60e8e057579721ee3", kill_on_drop: false }`
[INFO] [stdout] 533f294bb38079ad00e4f21b633eba35f13d74dd2263f7a60e8e057579721ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5d6a6ce1103204460b99e588c728e7f4ae9b88f5fbb8c103c76b79fc1c9e62ee
[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" "5d6a6ce1103204460b99e588c728e7f4ae9b88f5fbb8c103c76b79fc1c9e62ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]    Compiling oars_proc_macro v0.1.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]  Documenting oars v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.50s
[INFO] running `Command { std: "docker" "inspect" "5d6a6ce1103204460b99e588c728e7f4ae9b88f5fbb8c103c76b79fc1c9e62ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6a6ce1103204460b99e588c728e7f4ae9b88f5fbb8c103c76b79fc1c9e62ee", kill_on_drop: false }`
[INFO] [stdout] 5d6a6ce1103204460b99e588c728e7f4ae9b88f5fbb8c103c76b79fc1c9e62ee