[INFO] fetching crate pjson-rs 0.4.1...
[INFO] testing pjson-rs-0.4.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pjson-rs 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pjson-rs 0.4.1
[INFO] finished tweaking crates.io crate pjson-rs 0.4.1
[INFO] tweaked toml for crates.io crate pjson-rs 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pjson-rs 0.4.1 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] crate crates.io crate pjson-rs 0.4.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eb05a082ac4a3de543fc25b25e7095a737ade0e0e33c11a84cae20201c13390f
[INFO] running `Command { std: "docker" "start" "-a" "eb05a082ac4a3de543fc25b25e7095a737ade0e0e33c11a84cae20201c13390f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb05a082ac4a3de543fc25b25e7095a737ade0e0e33c11a84cae20201c13390f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb05a082ac4a3de543fc25b25e7095a737ade0e0e33c11a84cae20201c13390f", kill_on_drop: false }`
[INFO] [stdout] eb05a082ac4a3de543fc25b25e7095a737ade0e0e33c11a84cae20201c13390f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1391ff4b101791c6f710ee98179066ca9ccc65be766dfff7a0ab482b41d2fed8
[INFO] running `Command { std: "docker" "start" "-a" "1391ff4b101791c6f710ee98179066ca9ccc65be766dfff7a0ab482b41d2fed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling thiserror v2.0.14
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling sonic-number v0.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling sonic-simd v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling priority-queue v2.5.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v3.10.0
[INFO] [stderr]    Compiling async-io v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling thiserror-impl v2.0.14
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling faststr v0.2.31
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling sonic-rs v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling pjson-rs v0.4.1 (/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" "1391ff4b101791c6f710ee98179066ca9ccc65be766dfff7a0ab482b41d2fed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1391ff4b101791c6f710ee98179066ca9ccc65be766dfff7a0ab482b41d2fed8", kill_on_drop: false }`
[INFO] [stdout] 1391ff4b101791c6f710ee98179066ca9ccc65be766dfff7a0ab482b41d2fed8
