[INFO] cloning repository https://github.com/OtterCode/deno_core_io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OtterCode/deno_core_io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtterCode%2Fdeno_core_io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOtterCode%2Fdeno_core_io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9746ecb8baa7e216152ac6961b0374f117aeff1b
[INFO] documenting OtterCode/deno_core_io 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%2FOtterCode%2Fdeno_core_io" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OtterCode/deno_core_io 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/OtterCode/deno_core_io
[INFO] finished tweaking git repo https://github.com/OtterCode/deno_core_io
[INFO] tweaked toml for git repo https://github.com/OtterCode/deno_core_io written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/OtterCode/deno_core_io 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 deno_core v0.51.0
[INFO] [stderr]   Downloaded derive_deref v1.1.1
[INFO] [stderr]   Downloaded rusty_v8 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 42176bb1a650f3e6a50e0d828c7cdcf6ad4f1bda4a7a1bef7ebdd8198d406b17
[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" "42176bb1a650f3e6a50e0d828c7cdcf6ad4f1bda4a7a1bef7ebdd8198d406b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42176bb1a650f3e6a50e0d828c7cdcf6ad4f1bda4a7a1bef7ebdd8198d406b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42176bb1a650f3e6a50e0d828c7cdcf6ad4f1bda4a7a1bef7ebdd8198d406b17", kill_on_drop: false }`
[INFO] [stdout] 42176bb1a650f3e6a50e0d828c7cdcf6ad4f1bda4a7a1bef7ebdd8198d406b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1cd779cb6375d1f6b9a202491561a11a8471424260dc0c70ab18b8c5407de1f9
[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" "1cd779cb6375d1f6b9a202491561a11a8471424260dc0c70ab18b8c5407de1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling which v4.0.1
[INFO] [stderr]    Compiling rusty_v8 v0.7.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking deno_core v0.51.0
[INFO] [stderr]  Documenting embedded_deno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.94s
[INFO] running `Command { std: "docker" "inspect" "1cd779cb6375d1f6b9a202491561a11a8471424260dc0c70ab18b8c5407de1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd779cb6375d1f6b9a202491561a11a8471424260dc0c70ab18b8c5407de1f9", kill_on_drop: false }`
[INFO] [stdout] 1cd779cb6375d1f6b9a202491561a11a8471424260dc0c70ab18b8c5407de1f9