[INFO] cloning repository https://github.com/Sean1708/cargo-brew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sean1708/cargo-brew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSean1708%2Fcargo-brew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSean1708%2Fcargo-brew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ed45a31ecfb71c5b9cf6be1141ecd7a1b6e42c9
[INFO] documenting Sean1708/cargo-brew 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%2FSean1708%2Fcargo-brew" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sean1708/cargo-brew 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/Sean1708/cargo-brew
[INFO] finished tweaking git repo https://github.com/Sean1708/cargo-brew
[INFO] tweaked toml for git repo https://github.com/Sean1708/cargo-brew written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Sean1708/cargo-brew 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] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.7.5
[INFO] [stderr]   Downloaded userror v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b62bd910f09a654d1766ed3d1b2ec86e724c04c11d73e81584fc2ba2e20a1a05
[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" "b62bd910f09a654d1766ed3d1b2ec86e724c04c11d73e81584fc2ba2e20a1a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b62bd910f09a654d1766ed3d1b2ec86e724c04c11d73e81584fc2ba2e20a1a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62bd910f09a654d1766ed3d1b2ec86e724c04c11d73e81584fc2ba2e20a1a05", kill_on_drop: false }`
[INFO] [stdout] b62bd910f09a654d1766ed3d1b2ec86e724c04c11d73e81584fc2ba2e20a1a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b7b1cbcf277fd4e0864f43183c7af5a24cf68814e2fc3cbebe52d8e6632efc56
[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" "b7b1cbcf277fd4e0864f43183c7af5a24cf68814e2fc3cbebe52d8e6632efc56", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking userror v0.1.0
[INFO] [stderr]  Documenting cargo-brew v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "b7b1cbcf277fd4e0864f43183c7af5a24cf68814e2fc3cbebe52d8e6632efc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b1cbcf277fd4e0864f43183c7af5a24cf68814e2fc3cbebe52d8e6632efc56", kill_on_drop: false }`
[INFO] [stdout] b7b1cbcf277fd4e0864f43183c7af5a24cf68814e2fc3cbebe52d8e6632efc56