[INFO] cloning repository https://github.com/cthdarren/roulette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cthdarren/roulette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthdarren%2Froulette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthdarren%2Froulette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 929fab80481f2625a4540342b5c1707a2c5640a7
[INFO] documenting cthdarren/roulette 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%2Fcthdarren%2Froulette" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cthdarren/roulette 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/cthdarren/roulette
[INFO] finished tweaking git repo https://github.com/cthdarren/roulette
[INFO] tweaked toml for git repo https://github.com/cthdarren/roulette written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cthdarren/roulette 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 rand_core v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.53
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0ae5576ffb931cc06fa2ff785cc7d7c231d9fc7d3485209055d143ccdb5a0ddf
[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" "0ae5576ffb931cc06fa2ff785cc7d7c231d9fc7d3485209055d143ccdb5a0ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ae5576ffb931cc06fa2ff785cc7d7c231d9fc7d3485209055d143ccdb5a0ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae5576ffb931cc06fa2ff785cc7d7c231d9fc7d3485209055d143ccdb5a0ddf", kill_on_drop: false }`
[INFO] [stdout] 0ae5576ffb931cc06fa2ff785cc7d7c231d9fc7d3485209055d143ccdb5a0ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7c8b85f610686ab79df1fe705511dfb2407f84321dfce39a7f0362f06e3be2eb
[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" "7c8b85f610686ab79df1fe705511dfb2407f84321dfce39a7f0362f06e3be2eb", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]  Documenting roulette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "7c8b85f610686ab79df1fe705511dfb2407f84321dfce39a7f0362f06e3be2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8b85f610686ab79df1fe705511dfb2407f84321dfce39a7f0362f06e3be2eb", kill_on_drop: false }`
[INFO] [stdout] 7c8b85f610686ab79df1fe705511dfb2407f84321dfce39a7f0362f06e3be2eb