[INFO] fetching crate blake3_merkle 0.0.6...
[INFO] documenting blake3_merkle-0.0.6 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate blake3_merkle 0.0.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate blake3_merkle 0.0.6 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blake3_merkle 0.0.6
[INFO] finished tweaking crates.io crate blake3_merkle 0.0.6
[INFO] tweaked toml for crates.io crate blake3_merkle 0.0.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate blake3_merkle 0.0.6 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-common v0.1.3
[INFO] [stderr]   Downloaded blake3 v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b431eab4fea9f32867cac0bc3edb0c8193b4746a1aac555b96097665248cbee
[INFO] running `Command { std: "docker" "start" "-a" "9b431eab4fea9f32867cac0bc3edb0c8193b4746a1aac555b96097665248cbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b431eab4fea9f32867cac0bc3edb0c8193b4746a1aac555b96097665248cbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b431eab4fea9f32867cac0bc3edb0c8193b4746a1aac555b96097665248cbee", kill_on_drop: false }`
[INFO] [stdout] 9b431eab4fea9f32867cac0bc3edb0c8193b4746a1aac555b96097665248cbee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8da9898b2f8408cf7549707dcd95b2dccf6b5e4f54ffbf126a86c3381ca4e1a1
[INFO] running `Command { std: "docker" "start" "-a" "8da9898b2f8408cf7549707dcd95b2dccf6b5e4f54ffbf126a86c3381ca4e1a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]  Documenting blake3_merkle v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `blake3_merkle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name blake3_merkle src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f9252c29038ac001 -L dependency=/opt/rustwide/target/debug/deps --extern blake3=/opt/rustwide/target/debug/deps/libblake3-c4511163d5c9a37c.rmeta --cap-lints=warn --crate-version 0.0.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8da9898b2f8408cf7549707dcd95b2dccf6b5e4f54ffbf126a86c3381ca4e1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da9898b2f8408cf7549707dcd95b2dccf6b5e4f54ffbf126a86c3381ca4e1a1", kill_on_drop: false }`
[INFO] [stdout] 8da9898b2f8408cf7549707dcd95b2dccf6b5e4f54ffbf126a86c3381ca4e1a1
