[INFO] fetching crate vineyard-polars 0.18.1...
[INFO] testing vineyard-polars-0.18.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate vineyard-polars 0.18.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vineyard-polars 0.18.1
[INFO] finished tweaking crates.io crate vineyard-polars 0.18.1
[INFO] tweaked toml for crates.io crate vineyard-polars 0.18.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vineyard-polars 0.18.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 204 packages to latest compatible versions
[INFO] [stderr]       Adding arrow-array v44.0.0 (available: v58.1.0)
[INFO] [stderr]       Adding arrow-schema v44.0.0 (available: v58.1.0)
[INFO] [stderr]       Adding arrow2 v0.17.4 (available: v0.18.0)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding polars-arrow v0.52.0 (available: v0.53.0)
[INFO] [stderr]       Adding polars-core v0.52.0 (available: v0.53.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sendfd v0.4.4
[INFO] [stderr]   Downloaded memmap2 v0.7.1
[INFO] [stderr]   Downloaded arrow-schema v46.0.0
[INFO] [stderr]   Downloaded hash_hasher v2.0.4
[INFO] [stderr]   Downloaded gensym v0.1.1
[INFO] [stderr]   Downloaded static_str_ops v0.1.2
[INFO] [stderr]   Downloaded debug_unsafe v0.1.4
[INFO] [stderr]   Downloaded arrow-ipc v46.0.0
[INFO] [stderr]   Downloaded polars-dtype v0.52.0
[INFO] [stderr]   Downloaded atoi_simd v0.16.1
[INFO] [stderr]   Downloaded foreign_vec v0.1.0
[INFO] [stderr]   Downloaded arrow-buffer v44.0.0
[INFO] [stderr]   Downloaded arrow-buffer v43.0.0
[INFO] [stderr]   Downloaded arrow-data v44.0.0
[INFO] [stderr]   Downloaded polars-utils v0.52.0
[INFO] [stderr]   Downloaded ethnum v1.5.3
[INFO] [stderr]   Downloaded polars-compute v0.52.0
[INFO] [stderr]   Downloaded arrow-array v46.0.0
[INFO] [stderr]   Downloaded num-bigint v0.1.45
[INFO] [stderr]   Downloaded arrow-array v43.0.0
[INFO] [stderr]   Downloaded num-rational v0.1.43
[INFO] [stderr]   Downloaded polars-arrow v0.52.0
[INFO] [stderr]   Downloaded arrow-select v46.0.0
[INFO] [stderr]   Downloaded polars-core v0.52.0
[INFO] [stderr]   Downloaded arrow-cast v46.0.0
[INFO] [stderr]   Downloaded fast-float2 v0.2.3
[INFO] [stderr]   Downloaded psm v0.1.31
[INFO] [stderr]   Downloaded arrow-buffer v46.0.0
[INFO] [stderr]   Downloaded arrow-data v46.0.0
[INFO] [stderr]   Downloaded arrow-schema v44.0.0
[INFO] [stderr]   Downloaded arrow-data v43.0.0
[INFO] [stderr]   Downloaded arrow-schema v43.0.0
[INFO] [stderr]   Downloaded arrow2 v0.17.4
[INFO] [stderr]   Downloaded stacker v0.1.24
[INFO] [stderr]   Downloaded vineyard v0.18.1
[INFO] [stderr]   Downloaded spectral v0.6.0
[INFO] [stderr]   Downloaded polars-row v0.52.0
[INFO] [stderr]   Downloaded polars-schema v0.52.0
[INFO] [stderr]   Downloaded polars-error v0.52.0
[INFO] [stderr]   Downloaded num-complex v0.1.44
[INFO] [stderr]   Downloaded num v0.1.43
[INFO] [stderr]   Downloaded arrow-array v44.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 952746a20b3ab6b573c0f95e838221f2dc0d07aa4b30e58daeaca8a844e93ba4
[INFO] running `Command { std: "docker" "start" "-a" "952746a20b3ab6b573c0f95e838221f2dc0d07aa4b30e58daeaca8a844e93ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "952746a20b3ab6b573c0f95e838221f2dc0d07aa4b30e58daeaca8a844e93ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952746a20b3ab6b573c0f95e838221f2dc0d07aa4b30e58daeaca8a844e93ba4", kill_on_drop: false }`
[INFO] [stdout] 952746a20b3ab6b573c0f95e838221f2dc0d07aa4b30e58daeaca8a844e93ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13ec1581d5f8bba6bcc9f1035b6e9dec107133c9c81d4fa7ec6fd7bc11b7519
[INFO] running `Command { std: "docker" "start" "-a" "e13ec1581d5f8bba6bcc9f1035b6e9dec107133c9c81d4fa7ec6fd7bc11b7519", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling stacker v0.1.24
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling polars-utils v0.52.0
[INFO] [stderr]    Compiling lexical-util v0.8.5
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling raw-cpuid v11.6.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling uuid v1.23.1
[INFO] [stderr]    Compiling polars-schema v0.52.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling polars-error v0.52.0
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.52.0
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling arrow-schema v46.0.0
[INFO] [stderr]    Compiling ethnum v1.5.3
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lexical-parse-integer v0.8.6
[INFO] [stderr]    Compiling lexical-write-integer v0.8.5
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling lexical-write-float v0.8.5
[INFO] [stderr]    Compiling flatbuffers v23.5.26
[INFO] [stderr]    Compiling polars-compute v0.52.0
[INFO] [stderr]    Compiling debug_unsafe v0.1.4
[INFO] [stderr]    Compiling atoi_simd v0.16.1
[INFO] [stderr]    Compiling boxcar v0.2.14
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling fast-float2 v0.2.3
[INFO] [stderr]    Compiling arrow-schema v43.0.0
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling arrow2 v0.17.4
[INFO] [stderr]    Compiling lexical-core v0.8.5
[INFO] [stderr]    Compiling polars-core v0.52.0
[INFO] [stderr]    Compiling arrow-schema v44.0.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling sendfd v0.4.4
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling gensym v0.1.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling foreign_vec v0.1.0
[INFO] [stderr]    Compiling hash_hasher v2.0.4
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling static_str_ops v0.1.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling ar_archive_writer v0.5.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling psm v0.1.31
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling arrow-buffer v46.0.0
[INFO] [stderr]    Compiling arrow-buffer v43.0.0
[INFO] [stderr]    Compiling arrow-buffer v44.0.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling arrow-data v46.0.0
[INFO] [stderr]    Compiling arrow-data v44.0.0
[INFO] [stderr]    Compiling arrow-data v43.0.0
[INFO] [stderr]    Compiling arrow-array v44.0.0
[INFO] [stderr]    Compiling arrow-array v46.0.0
[INFO] [stderr]    Compiling arrow-array v43.0.0
[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
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vineyard-0.18.1/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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vineyard` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e13ec1581d5f8bba6bcc9f1035b6e9dec107133c9c81d4fa7ec6fd7bc11b7519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13ec1581d5f8bba6bcc9f1035b6e9dec107133c9c81d4fa7ec6fd7bc11b7519", kill_on_drop: false }`
[INFO] [stdout] e13ec1581d5f8bba6bcc9f1035b6e9dec107133c9c81d4fa7ec6fd7bc11b7519
