[INFO] cloning repository https://github.com/apanloco/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apanloco/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapanloco%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapanloco%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d35059bc6fe8f1d354b45ec0959061193f7a6c14
[INFO] documenting apanloco/advent-of-code-2021 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapanloco%2Fadvent-of-code-2021" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apanloco/advent-of-code-2021 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apanloco/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/apanloco/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/apanloco/advent-of-code-2021 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/apanloco/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-05-20" "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] 1be37e2259d63327d3e027301bb4dada25da3959584170028d55cb7e9aaa9a93
[INFO] running `Command { std: "docker" "start" "-a" "1be37e2259d63327d3e027301bb4dada25da3959584170028d55cb7e9aaa9a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be37e2259d63327d3e027301bb4dada25da3959584170028d55cb7e9aaa9a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be37e2259d63327d3e027301bb4dada25da3959584170028d55cb7e9aaa9a93", kill_on_drop: false }`
[INFO] [stdout] 1be37e2259d63327d3e027301bb4dada25da3959584170028d55cb7e9aaa9a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b1273de4c34bdf400042191e81aa04914e5e492d9bff09c86c466f00b0236f2
[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" "5b1273de4c34bdf400042191e81aa04914e5e492d9bff09c86c466f00b0236f2", kill_on_drop: false }`
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking pathfinding v3.0.5
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking permutator v0.4.0
[INFO] [stderr]  Documenting advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.74s
[INFO] running `Command { std: "docker" "inspect" "5b1273de4c34bdf400042191e81aa04914e5e492d9bff09c86c466f00b0236f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1273de4c34bdf400042191e81aa04914e5e492d9bff09c86c466f00b0236f2", kill_on_drop: false }`
[INFO] [stdout] 5b1273de4c34bdf400042191e81aa04914e5e492d9bff09c86c466f00b0236f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] a120c6e1a905488ec5c92e8d8ca079b1ff730c695effd19988fd58f39bad4623
[INFO] running `Command { std: "docker" "start" "-a" "a120c6e1a905488ec5c92e8d8ca079b1ff730c695effd19988fd58f39bad4623", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking pathfinding v3.0.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking permutator v0.4.0
[INFO] [stderr]  Documenting advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.20s
[INFO] running `Command { std: "docker" "inspect" "a120c6e1a905488ec5c92e8d8ca079b1ff730c695effd19988fd58f39bad4623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a120c6e1a905488ec5c92e8d8ca079b1ff730c695effd19988fd58f39bad4623", kill_on_drop: false }`
[INFO] [stdout] a120c6e1a905488ec5c92e8d8ca079b1ff730c695effd19988fd58f39bad4623