[INFO] fetching crate kg-symbol 0.2.0...
[INFO] testing kg-symbol-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kg-symbol 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate kg-symbol 0.2.0
[INFO] finished tweaking crates.io crate kg-symbol 0.2.0
[INFO] tweaked toml for crates.io crate kg-symbol 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kg-symbol 0.2.0 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 27 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.4)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 43f65229f1914279afba4ec81896b9d61bacdba24e280906fe21efd32bee6289
[INFO] running `Command { std: "docker" "start" "-a" "43f65229f1914279afba4ec81896b9d61bacdba24e280906fe21efd32bee6289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43f65229f1914279afba4ec81896b9d61bacdba24e280906fe21efd32bee6289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f65229f1914279afba4ec81896b9d61bacdba24e280906fe21efd32bee6289", kill_on_drop: false }`
[INFO] [stdout] 43f65229f1914279afba4ec81896b9d61bacdba24e280906fe21efd32bee6289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3548140d92d5a7ab261e580c574525e01057b568b96289532236e9ae6517d779
[INFO] running `Command { std: "docker" "start" "-a" "3548140d92d5a7ab261e580c574525e01057b568b96289532236e9ae6517d779", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot-0.11.2/src/elision.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             llvm_asm!("xacquire; lock; cmpxchgq $2, $1"
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `llvm_asm` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot-0.11.2/src/elision.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |             llvm_asm!("xrelease; lock; xaddq $2, $1"
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/parking_lot-0.11.2/src/lib.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(feature = "nightly", feature(llvm_asm))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot-0.11.2/src/lib.rs:14:42
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![cfg_attr(feature = "nightly", feature(llvm_asm))]
[INFO] [stdout]    |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking_lot` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3548140d92d5a7ab261e580c574525e01057b568b96289532236e9ae6517d779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3548140d92d5a7ab261e580c574525e01057b568b96289532236e9ae6517d779", kill_on_drop: false }`
[INFO] [stdout] 3548140d92d5a7ab261e580c574525e01057b568b96289532236e9ae6517d779