[INFO] fetching crate reparser 0.1.11...
[INFO] documenting reparser-0.1.11 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate reparser 0.1.11 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate reparser 0.1.11 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 crates.io crate reparser 0.1.11
[INFO] finished tweaking crates.io crate reparser 0.1.11
[INFO] tweaked toml for crates.io crate reparser 0.1.11 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 009000d2e2cbf656d5ff74a8258ce153fbeda32a635e352e8bf797e667ea0f18
[INFO] running `Command { std: "docker" "start" "-a" "009000d2e2cbf656d5ff74a8258ce153fbeda32a635e352e8bf797e667ea0f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "009000d2e2cbf656d5ff74a8258ce153fbeda32a635e352e8bf797e667ea0f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009000d2e2cbf656d5ff74a8258ce153fbeda32a635e352e8bf797e667ea0f18", kill_on_drop: false }`
[INFO] [stdout] 009000d2e2cbf656d5ff74a8258ce153fbeda32a635e352e8bf797e667ea0f18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e8c22bbc689fc1211a005808d2e1c347f576f3ad6345110f8f409f7bec142bc4
[INFO] running `Command { std: "docker" "start" "-a" "e8c22bbc689fc1211a005808d2e1c347f576f3ad6345110f8f409f7bec142bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking lalrpop-util v0.19.8
[INFO] [stderr]  Documenting reparser v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / #![feature(
[INFO] [stdout] 10 | |     box_patterns,
[INFO] [stdout] 11 | |     box_syntax,
[INFO] [stdout] 12 | |     drain_filter,
[INFO] [stdout] 13 | |     map_first_last,
[INFO] [stdout] 14 | |     btree_drain_filter
[INFO] [stdout] 15 | | )]
[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 `reparser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name reparser src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9b4328ce1aee45ec -L dependency=/opt/rustwide/target/debug/deps --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-18cae39926f802ba.rmeta --cap-lints=warn --crate-version 0.1.11` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e8c22bbc689fc1211a005808d2e1c347f576f3ad6345110f8f409f7bec142bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c22bbc689fc1211a005808d2e1c347f576f3ad6345110f8f409f7bec142bc4", kill_on_drop: false }`
[INFO] [stdout] e8c22bbc689fc1211a005808d2e1c347f576f3ad6345110f8f409f7bec142bc4