[INFO] cloning repository https://github.com/flaghacker/LLLang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flaghacker/LLLang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaghacker%2FLLLang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaghacker%2FLLLang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7f10ab0f7af7871d33c15ca095fd514fd0e9759
[INFO] documenting flaghacker/LLLang-rs 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%2Fflaghacker%2FLLLang-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flaghacker/LLLang-rs 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/flaghacker/LLLang-rs
[INFO] finished tweaking git repo https://github.com/flaghacker/LLLang-rs
[INFO] tweaked toml for git repo https://github.com/flaghacker/LLLang-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/flaghacker/LLLang-rs 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]     Updating git repository `https://github.com/clap-rs/clap/`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] [stderr]   Downloaded fixedbitset v0.3.0
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded color-backtrace v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fe9f242079b3c50e905f04ad5bf34b2d2437494fc2f718ff6c4a4d8f1eb302bd
[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" "fe9f242079b3c50e905f04ad5bf34b2d2437494fc2f718ff6c4a4d8f1eb302bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9f242079b3c50e905f04ad5bf34b2d2437494fc2f718ff6c4a4d8f1eb302bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9f242079b3c50e905f04ad5bf34b2d2437494fc2f718ff6c4a4d8f1eb302bd", kill_on_drop: false }`
[INFO] [stdout] fe9f242079b3c50e905f04ad5bf34b2d2437494fc2f718ff6c4a4d8f1eb302bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44dd6d47e0e529b33e2331bac8f5ad08b083038bcc555e615b5cd170203024cd
[INFO] running `Command { std: "docker" "start" "-a" "44dd6d47e0e529b33e2331bac8f5ad08b083038bcc555e615b5cd170203024cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking fixedbitset v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking color-backtrace v0.4.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/?rev=20daf00d519d12ec92923a7bde42cc9211823e69#20daf00d)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/?rev=20daf00d519d12ec92923a7bde42cc9211823e69#20daf00d)
[INFO] [stderr]  Documenting lllang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.12s
[INFO] running `Command { std: "docker" "inspect" "44dd6d47e0e529b33e2331bac8f5ad08b083038bcc555e615b5cd170203024cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dd6d47e0e529b33e2331bac8f5ad08b083038bcc555e615b5cd170203024cd", kill_on_drop: false }`
[INFO] [stdout] 44dd6d47e0e529b33e2331bac8f5ad08b083038bcc555e615b5cd170203024cd