[INFO] fetching crate lumbermill 0.1.2...
[INFO] documenting lumbermill-0.1.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate lumbermill 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lumbermill 0.1.2 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 lumbermill 0.1.2
[INFO] removed 4 missing examples
[INFO] finished tweaking crates.io crate lumbermill 0.1.2
[INFO] tweaked toml for crates.io crate lumbermill 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate lumbermill 0.1.2 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 ctor v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 625719a173ba57d5382dfebe3c82fd261b1472d1cfffd2310d475d93a9a30402
[INFO] running `Command { std: "docker" "start" "-a" "625719a173ba57d5382dfebe3c82fd261b1472d1cfffd2310d475d93a9a30402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "625719a173ba57d5382dfebe3c82fd261b1472d1cfffd2310d475d93a9a30402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625719a173ba57d5382dfebe3c82fd261b1472d1cfffd2310d475d93a9a30402", kill_on_drop: false }`
[INFO] [stdout] 625719a173ba57d5382dfebe3c82fd261b1472d1cfffd2310d475d93a9a30402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/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] 4a776e0e181f6e79e5fcbd452f3959cfb7bea725a1d53cb44a166782f4e11d8a
[INFO] running `Command { std: "docker" "start" "-a" "4a776e0e181f6e79e5fcbd452f3959cfb7bea725a1d53cb44a166782f4e11d8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]  Documenting lumbermill v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'once_cell'
[INFO] [stdout]  --> src/logger.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub static LOGGER: OnceLock<Logger> = OnceLock::new();
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information
[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 E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `lumbermill`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name lumbermill src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0f6ac1db0171a704 -L dependency=/opt/rustwide/target/debug/deps --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-685b0db46fc9f6e3.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-3c93d5d089c35e71.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4a776e0e181f6e79e5fcbd452f3959cfb7bea725a1d53cb44a166782f4e11d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a776e0e181f6e79e5fcbd452f3959cfb7bea725a1d53cb44a166782f4e11d8a", kill_on_drop: false }`
[INFO] [stdout] 4a776e0e181f6e79e5fcbd452f3959cfb7bea725a1d53cb44a166782f4e11d8a
