[INFO] cloning repository https://github.com/strymon-system/reconstruction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strymon-system/reconstruction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrymon-system%2Freconstruction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrymon-system%2Freconstruction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf576a7eeced99fcfebcddd1995207374a11d9b3
[INFO] documenting strymon-system/reconstruction against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrymon-system%2Freconstruction" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strymon-system/reconstruction 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 git repo https://github.com/strymon-system/reconstruction
[INFO] finished tweaking git repo https://github.com/strymon-system/reconstruction
[INFO] tweaked toml for git repo https://github.com/strymon-system/reconstruction written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/strymon-system/reconstruction 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4781e24131e8ee9cee798cd8af8e83b778e97744f4e28e892701b325fa32b5da
[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" "4781e24131e8ee9cee798cd8af8e83b778e97744f4e28e892701b325fa32b5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4781e24131e8ee9cee798cd8af8e83b778e97744f4e28e892701b325fa32b5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4781e24131e8ee9cee798cd8af8e83b778e97744f4e28e892701b325fa32b5da", kill_on_drop: false }`
[INFO] [stdout] 4781e24131e8ee9cee798cd8af8e83b778e97744f4e28e892701b325fa32b5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2d38cf8cb1374e00714ff2028ea4ebc35db26209988b308da062202409f357d3
[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" "2d38cf8cb1374e00714ff2028ea4ebc35db26209988b308da062202409f357d3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking abomonation v0.5.0
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking timely_communication v0.5.0
[INFO] [stderr]     Checking timely v0.5.0
[INFO] [stderr]     Checking reconstruction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting reconstruction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/timely-0.5.0/src/dataflow/operators/aggregation/aggregate.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |       /// ```
[INFO] [stdout]    |  _________^
[INFO] [stdout] 48 | |     /// use timely::dataflow::operators::{ToStream, Map, Inspect};
[INFO] [stdout] 49 | |     /// use timely::dataflow::operators::aggregation::Aggregate;
[INFO] [stdout] 50 | |     ///
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     /// });
[INFO] [stdout] 62 | |     /// ```    
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 47 |     /// ```text
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/timely-0.5.0/src/dataflow/operators/aggregation/aggregate.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |       /// ```
[INFO] [stdout]    |  _________^
[INFO] [stdout] 48 | |     /// use timely::dataflow::operators::{ToStream, Map, Inspect};
[INFO] [stdout] 49 | |     /// use timely::dataflow::operators::aggregation::Aggregate;
[INFO] [stdout] 50 | |     ///
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     /// });
[INFO] [stdout] 62 | |     /// ```    
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 47 |     /// ```text
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "2d38cf8cb1374e00714ff2028ea4ebc35db26209988b308da062202409f357d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d38cf8cb1374e00714ff2028ea4ebc35db26209988b308da062202409f357d3", kill_on_drop: false }`
[INFO] [stdout] 2d38cf8cb1374e00714ff2028ea4ebc35db26209988b308da062202409f357d3