[INFO] cloning repository https://github.com/denosaurs/argontwo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denosaurs/argontwo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenosaurs%2Fargontwo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenosaurs%2Fargontwo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e374079dd90a6b86a3fe219906cd4055d150189
[INFO] documenting denosaurs/argontwo 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%2Fdenosaurs%2Fargontwo" "/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/denosaurs/argontwo 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/denosaurs/argontwo
[INFO] finished tweaking git repo https://github.com/denosaurs/argontwo
[INFO] tweaked toml for git repo https://github.com/denosaurs/argontwo written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/denosaurs/argontwo 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] [stdout] d6d6a33c92bae0f28e314135a0fa717d35d4aceef47aae51561e8373d334ac78
[INFO] running `Command { std: "docker" "start" "-a" "d6d6a33c92bae0f28e314135a0fa717d35d4aceef47aae51561e8373d334ac78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6d6a33c92bae0f28e314135a0fa717d35d4aceef47aae51561e8373d334ac78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d6a33c92bae0f28e314135a0fa717d35d4aceef47aae51561e8373d334ac78", kill_on_drop: false }`
[INFO] [stdout] d6d6a33c92bae0f28e314135a0fa717d35d4aceef47aae51561e8373d334ac78
[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] fb0ead88abb81599961ea279bce940e58c9d06b1f530663bed2aeb1fd7a87750
[INFO] running `Command { std: "docker" "start" "-a" "fb0ead88abb81599961ea279bce940e58c9d06b1f530663bed2aeb1fd7a87750", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking base64ct v1.0.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking password-hash v0.2.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking argon2 v0.2.0
[INFO] [stderr]  Documenting argontwo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> wasm/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, lang_items, alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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 `argontwo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name argontwo wasm/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7b431f187337a60b -L dependency=/opt/rustwide/target/debug/deps --extern argon2=/opt/rustwide/target/debug/deps/libargon2-d4975e9366d57f6e.rmeta --extern wee_alloc=/opt/rustwide/target/debug/deps/libwee_alloc-66c37c4c9741f320.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fb0ead88abb81599961ea279bce940e58c9d06b1f530663bed2aeb1fd7a87750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0ead88abb81599961ea279bce940e58c9d06b1f530663bed2aeb1fd7a87750", kill_on_drop: false }`
[INFO] [stdout] fb0ead88abb81599961ea279bce940e58c9d06b1f530663bed2aeb1fd7a87750