[INFO] fetching crate json-repair 0.4.0...
[INFO] testing json-repair-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate json-repair 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate json-repair 0.4.0
[INFO] finished tweaking crates.io crate json-repair 0.4.0
[INFO] tweaked toml for crates.io crate json-repair 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-repair 0.4.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 146 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0605fab130caf4c0ea61ee895db7ef58ba5707da65728ae379ac52f582e48322
[INFO] running `Command { std: "docker" "start" "-a" "0605fab130caf4c0ea61ee895db7ef58ba5707da65728ae379ac52f582e48322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0605fab130caf4c0ea61ee895db7ef58ba5707da65728ae379ac52f582e48322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0605fab130caf4c0ea61ee895db7ef58ba5707da65728ae379ac52f582e48322", kill_on_drop: false }`
[INFO] [stdout] 0605fab130caf4c0ea61ee895db7ef58ba5707da65728ae379ac52f582e48322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cf78b9635541f102d994488f6baa7be9d2651fe18bb6c4867831a8d87cb9ab49
[INFO] running `Command { std: "docker" "start" "-a" "cf78b9635541f102d994488f6baa7be9d2651fe18bb6c4867831a8d87cb9ab49", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling disable_macro v0.3.6
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling tracing-setup v1.0.4
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stderr]    Compiling language-enum v0.1.0
[INFO] [stderr]    Compiling named-item v0.6.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/named-item-0.6.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `named-item` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cf78b9635541f102d994488f6baa7be9d2651fe18bb6c4867831a8d87cb9ab49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf78b9635541f102d994488f6baa7be9d2651fe18bb6c4867831a8d87cb9ab49", kill_on_drop: false }`
[INFO] [stdout] cf78b9635541f102d994488f6baa7be9d2651fe18bb6c4867831a8d87cb9ab49