[INFO] cloning repository https://github.com/brdgme/repl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brdgme/repl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frepl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrdgme%2Frepl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cec83b556e3a8d65589d5f077585d2788010e89e
[INFO] documenting brdgme/repl 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%2Fbrdgme%2Frepl" "/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/brdgme/repl 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/brdgme/repl
[INFO] finished tweaking git repo https://github.com/brdgme/repl
[INFO] tweaked toml for git repo https://github.com/brdgme/repl written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/brdgme/repl 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/brdgme/cmd.git`
[INFO] [stderr]     Updating git repository `https://github.com/brdgme/color.git`
[INFO] [stderr]     Updating git repository `https://github.com/brdgme/game.git`
[INFO] [stderr]     Updating git repository `https://github.com/brdgme/markup.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded serde_json v1.0.16
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded serde_derive v1.0.42
[INFO] [stderr]   Downloaded serde v1.0.42
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
[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] f7e6b0f12682a82086c8b7b0e22b0acd17678639aa9fe8ac028f73fd634bd90c
[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" "f7e6b0f12682a82086c8b7b0e22b0acd17678639aa9fe8ac028f73fd634bd90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e6b0f12682a82086c8b7b0e22b0acd17678639aa9fe8ac028f73fd634bd90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e6b0f12682a82086c8b7b0e22b0acd17678639aa9fe8ac028f73fd634bd90c", kill_on_drop: false }`
[INFO] [stdout] f7e6b0f12682a82086c8b7b0e22b0acd17678639aa9fe8ac028f73fd634bd90c
[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] 85e1d6eb3de0916c3e42a6e58d63d9d913fc267cc9d73a2bbcedb9f8683729c6
[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" "85e1d6eb3de0916c3e42a6e58d63d9d913fc267cc9d73a2bbcedb9f8683729c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.16
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.42
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking brdgme-color v0.1.0 (https://github.com/brdgme/color.git#34fde167)
[INFO] [stderr]     Checking brdgme-markup v0.1.0 (https://github.com/brdgme/markup.git#aac7e8e8)
[INFO] [stderr]     Checking brdgme-game v0.1.0 (https://github.com/brdgme/game.git#4da0185a)
[INFO] [stderr]     Checking brdgme-cmd v0.1.0 (https://github.com/brdgme/cmd.git#b91ef50d)
[INFO] [stderr]  Documenting brdgme-repl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.41s
[INFO] running `Command { std: "docker" "inspect" "85e1d6eb3de0916c3e42a6e58d63d9d913fc267cc9d73a2bbcedb9f8683729c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e1d6eb3de0916c3e42a6e58d63d9d913fc267cc9d73a2bbcedb9f8683729c6", kill_on_drop: false }`
[INFO] [stdout] 85e1d6eb3de0916c3e42a6e58d63d9d913fc267cc9d73a2bbcedb9f8683729c6