[INFO] fetching crate humblegen 0.3.2...
[INFO] documenting humblegen-0.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate humblegen 0.3.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate humblegen 0.3.2 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 humblegen 0.3.2
[INFO] finished tweaking crates.io crate humblegen 0.3.2
[INFO] tweaked toml for crates.io crate humblegen 0.3.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate humblegen 0.3.2 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 unicode_categories v0.1.1
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded trybuild v1.0.30
[INFO] [stderr]   Downloaded comrak v0.7.0
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded Inflector v0.11.4
[INFO] [stderr]   Downloaded argh v0.1.3
[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] [stdout] 255d77e2755151d9cf47b855b790fb01509889e26b81b1ac568a6d0c1462eea2
[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" "255d77e2755151d9cf47b855b790fb01509889e26b81b1ac568a6d0c1462eea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255d77e2755151d9cf47b855b790fb01509889e26b81b1ac568a6d0c1462eea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255d77e2755151d9cf47b855b790fb01509889e26b81b1ac568a6d0c1462eea2", kill_on_drop: false }`
[INFO] [stdout] 255d77e2755151d9cf47b855b790fb01509889e26b81b1ac568a6d0c1462eea2
[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] 79728ce80b7a5ce48ca006e65adf97db9f45b24d8a082848e8c4264d5b66fe82
[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" "79728ce80b7a5ce48ca006e65adf97db9f45b24d8a082848e8c4264d5b66fe82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking proc-macro2 v1.0.18
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking comrak v0.7.0
[INFO] [stderr]  Documenting humblegen v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.98s
[INFO] running `Command { std: "docker" "inspect" "79728ce80b7a5ce48ca006e65adf97db9f45b24d8a082848e8c4264d5b66fe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79728ce80b7a5ce48ca006e65adf97db9f45b24d8a082848e8c4264d5b66fe82", kill_on_drop: false }`
[INFO] [stdout] 79728ce80b7a5ce48ca006e65adf97db9f45b24d8a082848e8c4264d5b66fe82