[INFO] cloning repository https://github.com/bartlomieju/deno_doc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bartlomieju/deno_doc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartlomieju%2Fdeno_doc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartlomieju%2Fdeno_doc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 957e6a138532dc0ae62c9899ffa782356c4b8505
[INFO] documenting bartlomieju/deno_doc 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%2Fbartlomieju%2Fdeno_doc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bartlomieju/deno_doc 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/bartlomieju/deno_doc
[INFO] finished tweaking git repo https://github.com/bartlomieju/deno_doc
[INFO] tweaked toml for git repo https://github.com/bartlomieju/deno_doc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bartlomieju/deno_doc 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 from_variant v0.1.2
[INFO] [stderr]   Downloaded swc_macros_common v0.3.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded ast_node v0.7.0
[INFO] [stderr]   Downloaded swc_common v0.10.2
[INFO] [stderr]   Downloaded swc_ecma_parser_macros v0.4.1
[INFO] [stderr]   Downloaded swc_ecma_visit v0.17.0
[INFO] [stderr]   Downloaded swc_ecma_parser v0.37.0
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded pmutil v0.5.3
[INFO] [stderr]   Downloaded enum_kind v0.2.0
[INFO] [stderr]   Downloaded is-macro v0.1.8
[INFO] [stderr]   Downloaded string_enum v0.3.0
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded swc_ecma_ast v0.31.0
[INFO] [stderr]   Downloaded swc_visit_macros v0.2.0
[INFO] [stderr]   Downloaded swc_visit v0.2.0
[INFO] [stderr]   Downloaded swc_ecmascript v0.7.0
[INFO] [stderr]   Downloaded swc_atoms v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b68baa49c43c3fc5703e0ae4b3a5e189d2d06034bb22948220830cfe01f52ee4
[INFO] running `Command { std: "docker" "start" "-a" "b68baa49c43c3fc5703e0ae4b3a5e189d2d06034bb22948220830cfe01f52ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68baa49c43c3fc5703e0ae4b3a5e189d2d06034bb22948220830cfe01f52ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68baa49c43c3fc5703e0ae4b3a5e189d2d06034bb22948220830cfe01f52ee4", kill_on_drop: false }`
[INFO] [stdout] b68baa49c43c3fc5703e0ae4b3a5e189d2d06034bb22948220830cfe01f52ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 3cac08da04503a9b52947bf36e9d1e7b5495966f8aecea97dc9acd2aaece7edf
[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" "3cac08da04503a9b52947bf36e9d1e7b5495966f8aecea97dc9acd2aaece7edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking swc_common v0.10.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking swc_ecma_ast v0.31.0
[INFO] [stderr]     Checking swc_ecma_visit v0.17.0
[INFO] [stderr]     Checking swc_ecma_parser v0.37.0
[INFO] [stderr]     Checking swc_ecmascript v0.7.0
[INFO] [stderr]  Documenting deno_doc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "3cac08da04503a9b52947bf36e9d1e7b5495966f8aecea97dc9acd2aaece7edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cac08da04503a9b52947bf36e9d1e7b5495966f8aecea97dc9acd2aaece7edf", kill_on_drop: false }`
[INFO] [stdout] 3cac08da04503a9b52947bf36e9d1e7b5495966f8aecea97dc9acd2aaece7edf