[INFO] cloning repository https://github.com/parkerpierpont/lox-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parkerpierpont/lox-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerpierpont%2Flox-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerpierpont%2Flox-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887acab323ff928b33e19792e240dad32be6aa63
[INFO] documenting parkerpierpont/lox-lang against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerpierpont%2Flox-lang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parkerpierpont/lox-lang on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/parkerpierpont/lox-lang
[INFO] finished tweaking git repo https://github.com/parkerpierpont/lox-lang
[INFO] tweaked toml for git repo https://github.com/parkerpierpont/lox-lang written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/parkerpierpont/lox-lang 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c12f1326a0fddd1128e78083fc46589a56d89e464119a8cf87ef671a06e940bf
[INFO] running `Command { std: "docker" "start" "-a" "c12f1326a0fddd1128e78083fc46589a56d89e464119a8cf87ef671a06e940bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12f1326a0fddd1128e78083fc46589a56d89e464119a8cf87ef671a06e940bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12f1326a0fddd1128e78083fc46589a56d89e464119a8cf87ef671a06e940bf", kill_on_drop: false }`
[INFO] [stdout] c12f1326a0fddd1128e78083fc46589a56d89e464119a8cf87ef671a06e940bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b8a049b973cffd1f7a01ef4238422c785401db66cc1ef58eb122f496ef4c43d
[INFO] running `Command { std: "docker" "start" "-a" "7b8a049b973cffd1f7a01ef4238422c785401db66cc1ef58eb122f496ef4c43d", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]  Documenting vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stderr]  Documenting lox-interpreted v0.1.0 (/opt/rustwide/workdir/interpreted)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> interpreted/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> interpreted/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_into_inner)]
[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 document `lox-interpreted`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name lox_interpreted interpreted/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=f559483e6c4a93eb -L dependency=/opt/rustwide/target/debug/deps --extern downcast=/opt/rustwide/target/debug/deps/libdowncast-ede7714f881d6971.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7b8a049b973cffd1f7a01ef4238422c785401db66cc1ef58eb122f496ef4c43d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8a049b973cffd1f7a01ef4238422c785401db66cc1ef58eb122f496ef4c43d", kill_on_drop: false }`
[INFO] [stdout] 7b8a049b973cffd1f7a01ef4238422c785401db66cc1ef58eb122f496ef4c43d
