[INFO] cloning repository https://github.com/daniel5151/aoc20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel5151/aoc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel5151%2Faoc20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel5151%2Faoc20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9a9898c60e9edf900f1edd01b26b02b0b56830f
[INFO] documenting daniel5151/aoc20 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%2Fdaniel5151%2Faoc20" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daniel5151/aoc20 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] removed /workspace/builds/worker-17/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/daniel5151/aoc20
[INFO] finished tweaking git repo https://github.com/daniel5151/aoc20
[INFO] tweaked toml for git repo https://github.com/daniel5151/aoc20 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/daniel5151/aoc20 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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] [stdout] 242e8a65563482138cfe32732a509042e9837f77fdd6884df71e2e0d82cb1388
[INFO] running `Command { std: "docker" "start" "-a" "242e8a65563482138cfe32732a509042e9837f77fdd6884df71e2e0d82cb1388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242e8a65563482138cfe32732a509042e9837f77fdd6884df71e2e0d82cb1388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242e8a65563482138cfe32732a509042e9837f77fdd6884df71e2e0d82cb1388", kill_on_drop: false }`
[INFO] [stdout] 242e8a65563482138cfe32732a509042e9837f77fdd6884df71e2e0d82cb1388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] e34572dd2c91e95834b82583ae71427555818ced34edd89505749196103f864d
[INFO] running `Command { std: "docker" "start" "-a" "e34572dd2c91e95834b82583ae71427555818ced34edd89505749196103f864d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking iter_to_array v0.1.0 (https://github.com/yyogo/iter_to_array.git?branch=main#72641475)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/iter_to_array-c8cefc977114afb2/7264147/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics,maybe_uninit_extra)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/iter_to_array-c8cefc977114afb2/7264147/src/lib.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics,maybe_uninit_extra)]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iter_to_array` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e34572dd2c91e95834b82583ae71427555818ced34edd89505749196103f864d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34572dd2c91e95834b82583ae71427555818ced34edd89505749196103f864d", kill_on_drop: false }`
[INFO] [stdout] e34572dd2c91e95834b82583ae71427555818ced34edd89505749196103f864d