[INFO] fetching crate aho-corasick 0.7.13...
[INFO] documenting aho-corasick-0.7.13 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate aho-corasick 0.7.13 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate aho-corasick 0.7.13 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 aho-corasick 0.7.13
[INFO] finished tweaking crates.io crate aho-corasick 0.7.13
[INFO] tweaked toml for crates.io crate aho-corasick 0.7.13 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 40cf2c97697f3cc77fabd5afc750c99d442a55886bb8595768aec69bd4918662
[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" "40cf2c97697f3cc77fabd5afc750c99d442a55886bb8595768aec69bd4918662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40cf2c97697f3cc77fabd5afc750c99d442a55886bb8595768aec69bd4918662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cf2c97697f3cc77fabd5afc750c99d442a55886bb8595768aec69bd4918662", kill_on_drop: false }`
[INFO] [stdout] 40cf2c97697f3cc77fabd5afc750c99d442a55886bb8595768aec69bd4918662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 8f1563a0f329db3378c5a22923fd7f1083936965f9c13629a06e25b04aa3dd9e
[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" "8f1563a0f329db3378c5a22923fd7f1083936965f9c13629a06e25b04aa3dd9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]  Documenting aho-corasick v0.7.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/nfa.rs:809:9
[INFO] [stdout]     |
[INFO] [stdout] 809 |       /// ```ignore
[INFO] [stdout]     |  _________^
[INFO] [stdout] 810 | |     ///        - a - S1 - b - S2 - c - S3 - d - S4*
[INFO] [stdout] 811 | |     ///       /
[INFO] [stdout] 812 | |     ///     S0 - b - S5* - c - S6 - d - S7*
[INFO] [stdout] 813 | |     ///       \
[INFO] [stdout] 814 | |     ///        - c - S8 - d - S9*
[INFO] [stdout] 815 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "8f1563a0f329db3378c5a22923fd7f1083936965f9c13629a06e25b04aa3dd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1563a0f329db3378c5a22923fd7f1083936965f9c13629a06e25b04aa3dd9e", kill_on_drop: false }`
[INFO] [stdout] 8f1563a0f329db3378c5a22923fd7f1083936965f9c13629a06e25b04aa3dd9e