[INFO] fetching crate jay_lib 0.0.16...
[INFO] testing jay_lib-0.0.16 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate jay_lib 0.0.16 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate jay_lib 0.0.16
[INFO] finished tweaking crates.io crate jay_lib 0.0.16
[INFO] tweaked toml for crates.io crate jay_lib 0.0.16 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jay_lib 0.0.16 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding rusqlite v0.28.0 (available: v0.37.0)
[INFO] [stderr]       Adding toml v0.7.8 (available: v0.9.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f85c43ae01d9763d703fd05d65747e68d5686e0982b39705a6e20d17f2183143
[INFO] running `Command { std: "docker" "start" "-a" "f85c43ae01d9763d703fd05d65747e68d5686e0982b39705a6e20d17f2183143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f85c43ae01d9763d703fd05d65747e68d5686e0982b39705a6e20d17f2183143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85c43ae01d9763d703fd05d65747e68d5686e0982b39705a6e20d17f2183143", kill_on_drop: false }`
[INFO] [stdout] f85c43ae01d9763d703fd05d65747e68d5686e0982b39705a6e20d17f2183143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60de4e0ad68688396e6c114c2bdd868ebd3eea0bb9405f82b6c473b05d09ccbd
[INFO] running `Command { std: "docker" "start" "-a" "60de4e0ad68688396e6c114c2bdd868ebd3eea0bb9405f82b6c473b05d09ccbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.25.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling rusqlite v0.28.0
[INFO] [stderr]    Compiling jay_lib v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(rustdoc_missing_doc_code_examples)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jay_lib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60de4e0ad68688396e6c114c2bdd868ebd3eea0bb9405f82b6c473b05d09ccbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60de4e0ad68688396e6c114c2bdd868ebd3eea0bb9405f82b6c473b05d09ccbd", kill_on_drop: false }`
[INFO] [stdout] 60de4e0ad68688396e6c114c2bdd868ebd3eea0bb9405f82b6c473b05d09ccbd