[INFO] fetching crate pjson-rs 0.5.0...
[INFO] testing pjson-rs-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pjson-rs 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pjson-rs 0.5.0
[INFO] finished tweaking crates.io crate pjson-rs 0.5.0
[INFO] tweaked toml for crates.io crate pjson-rs 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pjson-rs 0.5.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pjson-rs 0.5.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86135e0f5070d9c21b84c061ec5b77f190af69dea0b05bc2cc04ce06bfca9f89
[INFO] running `Command { std: "docker" "start" "-a" "86135e0f5070d9c21b84c061ec5b77f190af69dea0b05bc2cc04ce06bfca9f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86135e0f5070d9c21b84c061ec5b77f190af69dea0b05bc2cc04ce06bfca9f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86135e0f5070d9c21b84c061ec5b77f190af69dea0b05bc2cc04ce06bfca9f89", kill_on_drop: false }`
[INFO] [stdout] 86135e0f5070d9c21b84c061ec5b77f190af69dea0b05bc2cc04ce06bfca9f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb4ca43faf6159f5d921d228e134c632cf1f6a55989e24249b857f83c94d8b5a
[INFO] running `Command { std: "docker" "start" "-a" "eb4ca43faf6159f5d921d228e134c632cf1f6a55989e24249b857f83c94d8b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling sonic-number v0.1.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling sonic-simd v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling priority-queue v2.7.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling faststr v0.2.32
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling sonic-rs v0.5.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling pjson-rs-domain v0.5.0
[INFO] [stderr]    Compiling pjson-rs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(impl_trait_in_assoc_type)]
[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 `pjson-rs` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eb4ca43faf6159f5d921d228e134c632cf1f6a55989e24249b857f83c94d8b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4ca43faf6159f5d921d228e134c632cf1f6a55989e24249b857f83c94d8b5a", kill_on_drop: false }`
[INFO] [stdout] eb4ca43faf6159f5d921d228e134c632cf1f6a55989e24249b857f83c94d8b5a
