[INFO] cloning repository https://github.com/Windrushfarer/Avent-of-Code-2021-Rust-edition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Windrushfarer/Avent-of-Code-2021-Rust-edition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindrushfarer%2FAvent-of-Code-2021-Rust-edition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWindrushfarer%2FAvent-of-Code-2021-Rust-edition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49aa554fdf3a2510273326fac074ee4ffec94d68
[INFO] documenting Windrushfarer/Avent-of-Code-2021-Rust-edition 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%2FWindrushfarer%2FAvent-of-Code-2021-Rust-edition" "/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/Windrushfarer/Avent-of-Code-2021-Rust-edition 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/Windrushfarer/Avent-of-Code-2021-Rust-edition
[INFO] finished tweaking git repo https://github.com/Windrushfarer/Avent-of-Code-2021-Rust-edition
[INFO] tweaked toml for git repo https://github.com/Windrushfarer/Avent-of-Code-2021-Rust-edition written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Windrushfarer/Avent-of-Code-2021-Rust-edition 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-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" "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] 172865e40303552fa06bb0f60d0627e46d9bb883f18069dc6e4d2c77d76c5004
[INFO] running `Command { std: "docker" "start" "-a" "172865e40303552fa06bb0f60d0627e46d9bb883f18069dc6e4d2c77d76c5004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "172865e40303552fa06bb0f60d0627e46d9bb883f18069dc6e4d2c77d76c5004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172865e40303552fa06bb0f60d0627e46d9bb883f18069dc6e4d2c77d76c5004", kill_on_drop: false }`
[INFO] [stdout] 172865e40303552fa06bb0f60d0627e46d9bb883f18069dc6e4d2c77d76c5004
[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" "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] fc594b277c1d48a8be106134ee9aa7060a48d5da02ee4137aed679d73d7989bc
[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" "fc594b277c1d48a8be106134ee9aa7060a48d5da02ee4137aed679d73d7989bc", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc_lib v1.0.0 (/opt/rustwide/workdir/packages/lib)
[INFO] [stderr]  Documenting aoc_day_7 v1.0.0 (/opt/rustwide/workdir/packages/day_7)
[INFO] [stderr]  Documenting aoc_lib v1.0.0 (/opt/rustwide/workdir/packages/lib)
[INFO] [stderr]  Documenting aoc_day_8 v1.0.0 (/opt/rustwide/workdir/packages/day_8)
[INFO] [stderr]  Documenting aoc_day_3 v1.0.0 (/opt/rustwide/workdir/packages/day_3)
[INFO] [stderr]  Documenting aoc_day_2 v1.0.0 (/opt/rustwide/workdir/packages/day_2)
[INFO] [stderr]  Documenting aoc_day_4 v1.0.0 (/opt/rustwide/workdir/packages/day_4)
[INFO] [stderr]  Documenting aoc_day_6 v1.0.0 (/opt/rustwide/workdir/packages/day_6)
[INFO] [stderr]  Documenting aoc_day_5 v1.0.0 (/opt/rustwide/workdir/packages/day_5)
[INFO] [stderr]  Documenting aoc_day_1 v1.0.0 (/opt/rustwide/workdir/packages/day_1)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> packages/day_3/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> packages/day_4/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc_day_4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name aoc_day_4 packages/day_4/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=19587436a119f2e6 -L dependency=/opt/rustwide/target/debug/deps --extern aoc_lib=/opt/rustwide/target/debug/deps/libaoc_lib-34d2762b21691a04.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc_day_3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name aoc_day_3 packages/day_3/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=a7ce0e95e4d23a1b -L dependency=/opt/rustwide/target/debug/deps --extern aoc_lib=/opt/rustwide/target/debug/deps/libaoc_lib-34d2762b21691a04.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fc594b277c1d48a8be106134ee9aa7060a48d5da02ee4137aed679d73d7989bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc594b277c1d48a8be106134ee9aa7060a48d5da02ee4137aed679d73d7989bc", kill_on_drop: false }`
[INFO] [stdout] fc594b277c1d48a8be106134ee9aa7060a48d5da02ee4137aed679d73d7989bc