[INFO] fetching crate rbop 0.2.0...
[INFO] documenting rbop-0.2.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate rbop 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rbop 0.2.0 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 crates.io crate rbop 0.2.0
[INFO] finished tweaking crates.io crate rbop 0.2.0
[INFO] tweaked toml for crates.io crate rbop 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rbop 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glow v0.7.2
[INFO] [stderr]   Downloaded rust_decimal v1.23.1
[INFO] [stderr]   Downloaded glutin v0.26.0
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded speedy2d v1.2.0
[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] 7845632b527eefed6f8d5600d45991899118de99cf3d568c705d317c4e6d6fa6
[INFO] running `Command { std: "docker" "start" "-a" "7845632b527eefed6f8d5600d45991899118de99cf3d568c705d317c4e6d6fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7845632b527eefed6f8d5600d45991899118de99cf3d568c705d317c4e6d6fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7845632b527eefed6f8d5600d45991899118de99cf3d568c705d317c4e6d6fa6", kill_on_drop: false }`
[INFO] [stdout] 7845632b527eefed6f8d5600d45991899118de99cf3d568c705d317c4e6d6fa6
[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] a1bb22f18de247e032e4242906988f57f47342ab36138579053e58f6bb127658
[INFO] running `Command { std: "docker" "start" "-a" "a1bb22f18de247e032e4242906988f57f47342ab36138579053e58f6bb127658", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rust_decimal v1.23.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]  Documenting rbop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rbop`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rbop src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2f56bab33aa3346d -L dependency=/opt/rustwide/target/debug/deps --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-8c1f9cfdc716b40a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-936d7572b765f6a9.rmeta --extern rust_decimal=/opt/rustwide/target/debug/deps/librust_decimal-8f2a285e28fafb88.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a1bb22f18de247e032e4242906988f57f47342ab36138579053e58f6bb127658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bb22f18de247e032e4242906988f57f47342ab36138579053e58f6bb127658", kill_on_drop: false }`
[INFO] [stdout] a1bb22f18de247e032e4242906988f57f47342ab36138579053e58f6bb127658
