[INFO] fetching crate sync-threadpool 0.0.2...
[INFO] documenting sync-threadpool-0.0.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate sync-threadpool 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate sync-threadpool 0.0.2 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 sync-threadpool 0.0.2
[INFO] finished tweaking crates.io crate sync-threadpool 0.0.2
[INFO] tweaked toml for crates.io crate sync-threadpool 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] e78ad908a85fa96383b079d1f7cb82f42be1c9afe31e12f9aa4cc41beab2dfc7
[INFO] running `Command { std: "docker" "start" "-a" "e78ad908a85fa96383b079d1f7cb82f42be1c9afe31e12f9aa4cc41beab2dfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e78ad908a85fa96383b079d1f7cb82f42be1c9afe31e12f9aa4cc41beab2dfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78ad908a85fa96383b079d1f7cb82f42be1c9afe31e12f9aa4cc41beab2dfc7", kill_on_drop: false }`
[INFO] [stdout] e78ad908a85fa96383b079d1f7cb82f42be1c9afe31e12f9aa4cc41beab2dfc7
[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] 90c8e112815a74eee26394d987785eda2853fec2afd4eb74a7582f6fe1df8809
[INFO] running `Command { std: "docker" "start" "-a" "90c8e112815a74eee26394d987785eda2853fec2afd4eb74a7582f6fe1df8809", kill_on_drop: false }`
[INFO] [stderr]  Documenting sync-threadpool v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         self.tx.send(Some(box job)).unwrap();
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 84 |         self.tx.send(Some(Box::new(job))).unwrap();
[INFO] [stdout]    |                           ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![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 3 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 `sync-threadpool`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name sync_threadpool src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e99c74dd67d9497f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "90c8e112815a74eee26394d987785eda2853fec2afd4eb74a7582f6fe1df8809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c8e112815a74eee26394d987785eda2853fec2afd4eb74a7582f6fe1df8809", kill_on_drop: false }`
[INFO] [stdout] 90c8e112815a74eee26394d987785eda2853fec2afd4eb74a7582f6fe1df8809
