[INFO] cloning repository https://github.com/juanibiapina/lish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanibiapina/lish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Flish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Flish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fa09adc9aeef1dd325f15bea38c810538ab0bea
[INFO] documenting juanibiapina/lish 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%2Fjuanibiapina%2Flish" "/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/juanibiapina/lish 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/juanibiapina/lish
[INFO] finished tweaking git repo https://github.com/juanibiapina/lish
[INFO] tweaked toml for git repo https://github.com/juanibiapina/lish written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/juanibiapina/lish 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 maplit v0.1.4
[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] 5d561e5775eb8b49129e290adfd3a305612d7a20cef47af1ce94870621580d02
[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" "5d561e5775eb8b49129e290adfd3a305612d7a20cef47af1ce94870621580d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d561e5775eb8b49129e290adfd3a305612d7a20cef47af1ce94870621580d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d561e5775eb8b49129e290adfd3a305612d7a20cef47af1ce94870621580d02", kill_on_drop: false }`
[INFO] [stdout] 5d561e5775eb8b49129e290adfd3a305612d7a20cef47af1ce94870621580d02
[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] 1fd216ef540f03f93975415158257f02053c7ee9d40b06a435f9114ced448cb1
[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" "1fd216ef540f03f93975415158257f02053c7ee9d40b06a435f9114ced448cb1", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking nom v2.2.1 (https://github.com/Geal/nom.git#d1d18426)
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]  Documenting lish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/lisp/evaluator.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |             &[ref head, ref tail..] => {
[INFO] [stdout]    |                                 ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `tail`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 46 |             &[ref head, ref tail @ ..] => {
[INFO] [stdout]    |                                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `lish`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name lish src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3dc8bd8f502bda2d.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-05ab22a8ca5c1f24.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-e72e7a2137deaa39.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1ea8d55ea5dbbf0c.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-d11b5bfcb8bf0412.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "1fd216ef540f03f93975415158257f02053c7ee9d40b06a435f9114ced448cb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd216ef540f03f93975415158257f02053c7ee9d40b06a435f9114ced448cb1", kill_on_drop: false }`
[INFO] [stdout] 1fd216ef540f03f93975415158257f02053c7ee9d40b06a435f9114ced448cb1