[INFO] fetching crate graphannis-capi 0.29.2...
[INFO] documenting graphannis-capi-0.29.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate graphannis-capi 0.29.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate graphannis-capi 0.29.2 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 graphannis-capi 0.29.2
[INFO] finished tweaking crates.io crate graphannis-capi 0.29.2
[INFO] tweaked toml for crates.io crate graphannis-capi 0.29.2 written to /workspace/builds/worker-2/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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ec1731a4db83dffbf754190a926000448eee983aa9f02046fb9128205802451
[INFO] running `Command { std: "docker" "start" "-a" "2ec1731a4db83dffbf754190a926000448eee983aa9f02046fb9128205802451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec1731a4db83dffbf754190a926000448eee983aa9f02046fb9128205802451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec1731a4db83dffbf754190a926000448eee983aa9f02046fb9128205802451", kill_on_drop: false }`
[INFO] [stdout] 2ec1731a4db83dffbf754190a926000448eee983aa9f02046fb9128205802451
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a008dc5bffe38afecfbd8e2db54b5a48682a9504f94a25ad2f77fc23c64f1ea1
[INFO] running `Command { std: "docker" "start" "-a" "a008dc5bffe38afecfbd8e2db54b5a48682a9504f94a25ad2f77fc23c64f1ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling file_diff v1.0.0
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking graphannis-malloc_size_of v1.0.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking boolean_expression v0.3.11
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking sstable v0.8.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling graphannis-malloc_size_of_derive v2.0.0
[INFO] [stderr]     Checking graphannis-core v0.29.2
[INFO] [stderr]    Compiling graphannis v0.29.2
[INFO] [stderr]  Documenting graphannis-capi v0.29.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "a008dc5bffe38afecfbd8e2db54b5a48682a9504f94a25ad2f77fc23c64f1ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a008dc5bffe38afecfbd8e2db54b5a48682a9504f94a25ad2f77fc23c64f1ea1", kill_on_drop: false }`
[INFO] [stdout] a008dc5bffe38afecfbd8e2db54b5a48682a9504f94a25ad2f77fc23c64f1ea1