[INFO] cloning repository https://github.com/killercup/handlebars-helpers-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/handlebars-helpers-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fhandlebars-helpers-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Fhandlebars-helpers-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4695013a0390be616ba99237d9f868c1d775894b
[INFO] documenting killercup/handlebars-helpers-rust 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%2Fkillercup%2Fhandlebars-helpers-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/handlebars-helpers-rust 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/killercup/handlebars-helpers-rust
[INFO] finished tweaking git repo https://github.com/killercup/handlebars-helpers-rust
[INFO] tweaked toml for git repo https://github.com/killercup/handlebars-helpers-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/handlebars-helpers-rust 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 crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[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 handlebars v0.30.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5718456de0e1718c32830a56defda4dd91e633e28fd8bb3ce72f14ccab5edf2c
[INFO] running `Command { std: "docker" "start" "-a" "5718456de0e1718c32830a56defda4dd91e633e28fd8bb3ce72f14ccab5edf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5718456de0e1718c32830a56defda4dd91e633e28fd8bb3ce72f14ccab5edf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5718456de0e1718c32830a56defda4dd91e633e28fd8bb3ce72f14ccab5edf2c", kill_on_drop: false }`
[INFO] [stdout] 5718456de0e1718c32830a56defda4dd91e633e28fd8bb3ce72f14ccab5edf2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1542a37bdbb3fe928db7ddfee299aa8b4a10f5a178163985456ab5141fd13839
[INFO] running `Command { std: "docker" "start" "-a" "1542a37bdbb3fe928db7ddfee299aa8b4a10f5a178163985456ab5141fd13839", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking handlebars v0.30.1
[INFO] [stderr]  Documenting handlebars-helpers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "1542a37bdbb3fe928db7ddfee299aa8b4a10f5a178163985456ab5141fd13839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1542a37bdbb3fe928db7ddfee299aa8b4a10f5a178163985456ab5141fd13839", kill_on_drop: false }`
[INFO] [stdout] 1542a37bdbb3fe928db7ddfee299aa8b4a10f5a178163985456ab5141fd13839