[INFO] updating cached repository https://github.com/ceranco/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd444891ef109149bcd1a1be667cba575273f25c
[INFO] documenting ceranco/advent-of-code-2019 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceranco%2Fadvent-of-code-2019" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ceranco/advent-of-code-2019 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ceranco/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/ceranco/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/ceranco/advent-of-code-2019 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/ceranco/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c38ea283faa2b357d1e5121a2a413478a6689b544f73bbaa3ec9b7c31d3a22a
[INFO] running `Command { std: "docker" "start" "-a" "8c38ea283faa2b357d1e5121a2a413478a6689b544f73bbaa3ec9b7c31d3a22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c38ea283faa2b357d1e5121a2a413478a6689b544f73bbaa3ec9b7c31d3a22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c38ea283faa2b357d1e5121a2a413478a6689b544f73bbaa3ec9b7c31d3a22a", kill_on_drop: false }`
[INFO] [stdout] 8c38ea283faa2b357d1e5121a2a413478a6689b544f73bbaa3ec9b7c31d3a22a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da739782e7394b8c0d2384b99a877328ad6893c10fc38d0d73ec1dc142680c9
[INFO] running `Command { std: "docker" "start" "-a" "2da739782e7394b8c0d2384b99a877328ad6893c10fc38d0d73ec1dc142680c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking validators v0.1.0 (/opt/rustwide/workdir/validators)
[INFO] [stderr]     Checking intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]  Documenting intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]  Documenting validators v0.1.0 (/opt/rustwide/workdir/validators)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] warning: unresolved link to `4`
[INFO] [stdout]   --> intcode/src/lib.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     /// [`4`] - the value of the parameter will be interpreted as the value of memory location 4.
[INFO] [stdout]    |           ^ no item named `4` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `4`
[INFO] [stdout]   --> intcode/src/lib.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |     /// [`4`] - the value of the parameter will be interpreted as simply 4.
[INFO] [stdout]    |           ^ no item named `4` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]  Documenting day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]  Documenting day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]  Documenting day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]  Documenting day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]  Documenting day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]  Documenting day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.91s
[INFO] running `Command { std: "docker" "inspect" "2da739782e7394b8c0d2384b99a877328ad6893c10fc38d0d73ec1dc142680c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da739782e7394b8c0d2384b99a877328ad6893c10fc38d0d73ec1dc142680c9", kill_on_drop: false }`
[INFO] [stdout] 2da739782e7394b8c0d2384b99a877328ad6893c10fc38d0d73ec1dc142680c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 4c70bbabdddbff066a07af9e43157045a8d9d53845c743a46d4b33281c60ec26
[INFO] running `Command { std: "docker" "start" "-a" "4c70bbabdddbff066a07af9e43157045a8d9d53845c743a46d4b33281c60ec26", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "4c70bbabdddbff066a07af9e43157045a8d9d53845c743a46d4b33281c60ec26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c70bbabdddbff066a07af9e43157045a8d9d53845c743a46d4b33281c60ec26", kill_on_drop: false }`
[INFO] [stdout] 4c70bbabdddbff066a07af9e43157045a8d9d53845c743a46d4b33281c60ec26