[INFO] fetching crate vineyard 0.18.1...
[INFO] testing vineyard-0.18.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate vineyard 0.18.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vineyard 0.18.1
[INFO] finished tweaking crates.io crate vineyard 0.18.1
[INFO] tweaked toml for crates.io crate vineyard 0.18.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vineyard 0.18.1 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] 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 127 packages to latest compatible versions
[INFO] [stderr]       Adding arrow-array v46.0.0 (available: v56.2.0)
[INFO] [stderr]       Adding arrow-buffer v46.0.0 (available: v56.2.0)
[INFO] [stderr]       Adding arrow-ipc v46.0.0 (available: v56.2.0)
[INFO] [stderr]       Adding arrow-schema v46.0.0 (available: v56.2.0)
[INFO] [stderr]       Adding ctor v0.2.9 (available: v0.5.0)
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding memmap2 v0.7.1 (available: v0.9.8)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-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] 290a2d934a359d8a0dfff0d0d798b9e3d81bd28db37bb7686f78f153a6763bc7
[INFO] running `Command { std: "docker" "start" "-a" "290a2d934a359d8a0dfff0d0d798b9e3d81bd28db37bb7686f78f153a6763bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "290a2d934a359d8a0dfff0d0d798b9e3d81bd28db37bb7686f78f153a6763bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290a2d934a359d8a0dfff0d0d798b9e3d81bd28db37bb7686f78f153a6763bc7", kill_on_drop: false }`
[INFO] [stdout] 290a2d934a359d8a0dfff0d0d798b9e3d81bd28db37bb7686f78f153a6763bc7
[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] fb0467bd39aaba403d6f64c5d163fbefac5d2cc1bb391a94c29f71e24c0ab39c
[INFO] running `Command { std: "docker" "start" "-a" "fb0467bd39aaba403d6f64c5d163fbefac5d2cc1bb391a94c29f71e24c0ab39c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling arrow-schema v46.0.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling sendfd v0.4.4
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling flatbuffers v23.5.26
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling static_str_ops v0.1.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling arrow-buffer v46.0.0
[INFO] [stderr]    Compiling arrow-data v46.0.0
[INFO] [stderr]    Compiling arrow-array v46.0.0
[INFO] [stderr]    Compiling arrow-select v46.0.0
[INFO] [stderr]    Compiling arrow-cast v46.0.0
[INFO] [stderr]    Compiling arrow-ipc v46.0.0
[INFO] [stderr]    Compiling vineyard v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:27:34
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![cfg_attr(feature = "nightly", feature(associated_type_defaults))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(feature = "nightly", feature(box_into_inner))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![cfg_attr(feature = "nightly", feature(specialization))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![cfg_attr(feature = "nightly", feature(trait_alias))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(feature = "nightly", feature(unix_socket_peek))]
[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 `vineyard` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "fb0467bd39aaba403d6f64c5d163fbefac5d2cc1bb391a94c29f71e24c0ab39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0467bd39aaba403d6f64c5d163fbefac5d2cc1bb391a94c29f71e24c0ab39c", kill_on_drop: false }`
[INFO] [stdout] fb0467bd39aaba403d6f64c5d163fbefac5d2cc1bb391a94c29f71e24c0ab39c