[INFO] cloning repository https://github.com/edvbld/crust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edvbld/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedvbld%2Fcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedvbld%2Fcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be76ba53c2f7a9bc46f503507e428f1279844c0b
[INFO] documenting edvbld/crust 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%2Fedvbld%2Fcrust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edvbld/crust 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/edvbld/crust
[INFO] finished tweaking git repo https://github.com/edvbld/crust
[INFO] tweaked toml for git repo https://github.com/edvbld/crust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/edvbld/crust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d4cf3ceb8c61bf0e074bd9719e3020e3349a6ae1cdb6fba0880f6f48816afaff
[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" "d4cf3ceb8c61bf0e074bd9719e3020e3349a6ae1cdb6fba0880f6f48816afaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4cf3ceb8c61bf0e074bd9719e3020e3349a6ae1cdb6fba0880f6f48816afaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4cf3ceb8c61bf0e074bd9719e3020e3349a6ae1cdb6fba0880f6f48816afaff", kill_on_drop: false }`
[INFO] [stdout] d4cf3ceb8c61bf0e074bd9719e3020e3349a6ae1cdb6fba0880f6f48816afaff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7ef63c9e30a00e0fd052d3ab68ffbb1f62c5b7ee0eeeae10d4b4291820de7288
[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" "7ef63c9e30a00e0fd052d3ab68ffbb1f62c5b7ee0eeeae10d4b4291820de7288", kill_on_drop: false }`
[INFO] [stderr]  Documenting crust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!` or `[`, found `Copyright`
[INFO] [stdout]  --> src/main.rs:1:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | # Copyright 2016 Erik Duveblad
[INFO] [stdout]   |   ^^^^^^^^^ expected one of `!` or `[`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `crust`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name crust src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "7ef63c9e30a00e0fd052d3ab68ffbb1f62c5b7ee0eeeae10d4b4291820de7288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef63c9e30a00e0fd052d3ab68ffbb1f62c5b7ee0eeeae10d4b4291820de7288", kill_on_drop: false }`
[INFO] [stdout] 7ef63c9e30a00e0fd052d3ab68ffbb1f62c5b7ee0eeeae10d4b4291820de7288