[INFO] fetching crate tokidator 0.3.0...
[INFO] documenting tokidator-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tokidator 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokidator 0.3.0 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 tokidator 0.3.0
[INFO] finished tweaking crates.io crate tokidator 0.3.0
[INFO] tweaked toml for crates.io crate tokidator 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tokidator 0.3.0 already has a lockfile, it will not be regenerated
[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 oorandom v11.1.0
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded strum_macros v0.17.1
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded protobuf v2.10.1
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] [stderr]   Downloaded protobuf-codegen v2.10.1
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded strum v0.17.1
[INFO] [stderr]   Downloaded bitvec v0.17.2
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2e47ba98a4c1282c696c54e877084e621e45e36fb57baeb5d4cf53f96a7659d3
[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" "2e47ba98a4c1282c696c54e877084e621e45e36fb57baeb5d4cf53f96a7659d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e47ba98a4c1282c696c54e877084e621e45e36fb57baeb5d4cf53f96a7659d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e47ba98a4c1282c696c54e877084e621e45e36fb57baeb5d4cf53f96a7659d3", kill_on_drop: false }`
[INFO] [stdout] 2e47ba98a4c1282c696c54e877084e621e45e36fb57baeb5d4cf53f96a7659d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a504f952ae4cf0927fb005f9a5608f5d75fc28a6bd15cd7315e850b8ae76d442
[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" "a504f952ae4cf0927fb005f9a5608f5d75fc28a6bd15cd7315e850b8ae76d442", kill_on_drop: false }`
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking bitvec v0.17.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.10.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling tokidator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: fail to generate protobuf file from source: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr]  Documenting tokidator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "a504f952ae4cf0927fb005f9a5608f5d75fc28a6bd15cd7315e850b8ae76d442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a504f952ae4cf0927fb005f9a5608f5d75fc28a6bd15cd7315e850b8ae76d442", kill_on_drop: false }`
[INFO] [stdout] a504f952ae4cf0927fb005f9a5608f5d75fc28a6bd15cd7315e850b8ae76d442