[INFO] cloning repository https://github.com/HoLLy-HaCKeR/AdventOfCode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HoLLy-HaCKeR/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoLLy-HaCKeR%2FAdventOfCode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoLLy-HaCKeR%2FAdventOfCode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1da4d8098afbed0d553417b5caac23a72b1bcb3b
[INFO] documenting HoLLy-HaCKeR/AdventOfCode2021 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoLLy-HaCKeR%2FAdventOfCode2021" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HoLLy-HaCKeR/AdventOfCode2021 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HoLLy-HaCKeR/AdventOfCode2021
[INFO] finished tweaking git repo https://github.com/HoLLy-HaCKeR/AdventOfCode2021
[INFO] tweaked toml for git repo https://github.com/HoLLy-HaCKeR/AdventOfCode2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HoLLy-HaCKeR/AdventOfCode2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded heapless v0.7.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23005160657e07ce38259b6502282314bb8cae4a40514b88f2b4e20380d36279
[INFO] running `Command { std: "docker" "start" "-a" "23005160657e07ce38259b6502282314bb8cae4a40514b88f2b4e20380d36279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23005160657e07ce38259b6502282314bb8cae4a40514b88f2b4e20380d36279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23005160657e07ce38259b6502282314bb8cae4a40514b88f2b4e20380d36279", kill_on_drop: false }`
[INFO] [stdout] 23005160657e07ce38259b6502282314bb8cae4a40514b88f2b4e20380d36279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bba50945ef79cd156b57728d55117374e5341429ce25f1837f1ecdc83b913faa
[INFO] running `Command { std: "docker" "start" "-a" "bba50945ef79cd156b57728d55117374e5341429ce25f1837f1ecdc83b913faa", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bumpalo v3.8.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking aoc-lib v0.1.0 (/opt/rustwide/workdir/aoc-lib)
[INFO] [stderr]  Documenting aoc-lib v0.1.0 (/opt/rustwide/workdir/aoc-lib)
[INFO] [stderr]  Documenting day-8 v0.1.0 (/opt/rustwide/workdir/day-8)
[INFO] [stderr]  Documenting day-9 v0.1.0 (/opt/rustwide/workdir/day-9)
[INFO] [stderr]  Documenting day-23 v0.1.0 (/opt/rustwide/workdir/day-23)
[INFO] [stderr]  Documenting day-14 v0.1.0 (/opt/rustwide/workdir/day-14)
[INFO] [stderr]  Documenting day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]  Documenting day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]  Documenting day-20 v0.1.0 (/opt/rustwide/workdir/day-20)
[INFO] [stderr]  Documenting day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]  Documenting day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stderr]  Documenting day-13 v0.1.0 (/opt/rustwide/workdir/day-13)
[INFO] [stderr]  Documenting day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]  Documenting day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]  Documenting day-19 v0.1.0 (/opt/rustwide/workdir/day-19)
[INFO] [stderr]  Documenting day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]  Documenting day-16 v0.1.0 (/opt/rustwide/workdir/day-16)
[INFO] [stderr]  Documenting day-17 v0.1.0 (/opt/rustwide/workdir/day-17)
[INFO] [stderr]  Documenting day-15 v0.1.0 (/opt/rustwide/workdir/day-15)
[INFO] [stderr]  Documenting day-21 v0.1.0 (/opt/rustwide/workdir/day-21)
[INFO] [stderr]  Documenting day-22 v0.1.0 (/opt/rustwide/workdir/day-22)
[INFO] [stderr]  Documenting day-18 v0.1.0 (/opt/rustwide/workdir/day-18)
[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-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/aoc_lib/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_1/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_10/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_11/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_12/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_13/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_14/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_15/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_16/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_17/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_18/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_19/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_2/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_20/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_21/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_22/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_23/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_3/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_4/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_5/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_6/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_7/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_8/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day_9/index.html
[INFO] running `Command { std: "docker" "inspect" "bba50945ef79cd156b57728d55117374e5341429ce25f1837f1ecdc83b913faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba50945ef79cd156b57728d55117374e5341429ce25f1837f1ecdc83b913faa", kill_on_drop: false }`
[INFO] [stdout] bba50945ef79cd156b57728d55117374e5341429ce25f1837f1ecdc83b913faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52c4cb713f3a61540d1d3014445b4db687f2eba5747055b8d61bcdcbb3f796a3
[INFO] running `Command { std: "docker" "start" "-a" "52c4cb713f3a61540d1d3014445b4db687f2eba5747055b8d61bcdcbb3f796a3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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" "52c4cb713f3a61540d1d3014445b4db687f2eba5747055b8d61bcdcbb3f796a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c4cb713f3a61540d1d3014445b4db687f2eba5747055b8d61bcdcbb3f796a3", kill_on_drop: false }`
[INFO] [stdout] 52c4cb713f3a61540d1d3014445b4db687f2eba5747055b8d61bcdcbb3f796a3
