[INFO] cloning repository https://github.com/ChristopherBiscardi/digital-garden
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristopherBiscardi/digital-garden" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fdigital-garden", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fdigital-garden'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41433bbc9a9ffe4aa27838aef1c80b1b60c442f1
[INFO] documenting ChristopherBiscardi/digital-garden against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherBiscardi%2Fdigital-garden" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristopherBiscardi/digital-garden on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChristopherBiscardi/digital-garden
[INFO] finished tweaking git repo https://github.com/ChristopherBiscardi/digital-garden
[INFO] tweaked toml for git repo https://github.com/ChristopherBiscardi/digital-garden written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristopherBiscardi/digital-garden already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.confy.commit
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e73fed7a2ac762db208b9cd30582203ce84b7f52df7c1a25f1d40fd18fdc88f
[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" "3e73fed7a2ac762db208b9cd30582203ce84b7f52df7c1a25f1d40fd18fdc88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e73fed7a2ac762db208b9cd30582203ce84b7f52df7c1a25f1d40fd18fdc88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e73fed7a2ac762db208b9cd30582203ce84b7f52df7c1a25f1d40fd18fdc88f", kill_on_drop: false }`
[INFO] [stdout] 3e73fed7a2ac762db208b9cd30582203ce84b7f52df7c1a25f1d40fd18fdc88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 937eb221dfd52f13b0235b884f945f0623811edfb12d629a23eff86f0193c9cd
[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" "937eb221dfd52f13b0235b884f945f0623811edfb12d629a23eff86f0193c9cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.confy.commit
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]     Checking backtrace v0.3.52
[INFO] [stderr]     Checking edit v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.12
[INFO] [stderr]     Checking structopt v0.3.19
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking color-eyre v0.5.6
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking confy v0.4.0 (https://github.com/rust-cli/confy#baf2b401)
[INFO] [stderr]  Documenting digital-garden v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.94s
[INFO] running `Command { std: "docker" "inspect" "937eb221dfd52f13b0235b884f945f0623811edfb12d629a23eff86f0193c9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937eb221dfd52f13b0235b884f945f0623811edfb12d629a23eff86f0193c9cd", kill_on_drop: false }`
[INFO] [stdout] 937eb221dfd52f13b0235b884f945f0623811edfb12d629a23eff86f0193c9cd