[INFO] fetching crate exon-gff 0.32.4...
[INFO] testing exon-gff-0.32.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate exon-gff 0.32.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate exon-gff 0.32.4
[INFO] finished tweaking crates.io crate exon-gff 0.32.4
[INFO] tweaked toml for crates.io crate exon-gff 0.32.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exon-gff 0.32.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 306 packages to latest compatible versions
[INFO] [stderr]       Adding arrow v53.4.1 (available: v58.1.0)
[INFO] [stderr]       Adding async-compression v0.4.19 (available: v0.4.42)
[INFO] [stderr]       Adding chrono v0.4.39 (available: v0.4.44)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding noodles v0.86.0 (available: v0.109.0)
[INFO] [stderr]       Adding object_store v0.11.2 (available: v0.13.2)
[INFO] [stderr]       Adding zstd-safe v7.2.1 (available: v7.2.4)
[INFO] [stderr]       Adding zstd-sys v2.0.13+zstd.1.5.6 (available: v2.0.16+zstd.1.5.7)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9d19673dcc015563eb3bc30f488bfcebb3b7d44ad8b2b4bb0a3abc80ddf2952d
[INFO] running `Command { std: "docker" "start" "-a" "9d19673dcc015563eb3bc30f488bfcebb3b7d44ad8b2b4bb0a3abc80ddf2952d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d19673dcc015563eb3bc30f488bfcebb3b7d44ad8b2b4bb0a3abc80ddf2952d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d19673dcc015563eb3bc30f488bfcebb3b7d44ad8b2b4bb0a3abc80ddf2952d", kill_on_drop: false }`
[INFO] [stdout] 9d19673dcc015563eb3bc30f488bfcebb3b7d44ad8b2b4bb0a3abc80ddf2952d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6d60fdf294b7b32a80de9bba4bcfdb5c4e11b03044e5d0e1ee0bab4dba2c7a85
[INFO] running `Command { std: "docker" "start" "-a" "6d60fdf294b7b32a80de9bba4bcfdb5c4e11b03044e5d0e1ee0bab4dba2c7a85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling arrow-schema v53.4.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lz4_flex v0.11.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling comfy-table v7.2.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling brotli-decompressor v4.0.3
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling sqlparser_derive v0.2.2
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling sqlparser v0.51.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.32/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "libc", "memchr", "portable-atomic", "sink", "slab", "spin", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=45a915006a944997 -C extra-filename=-0958209a081fac7b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-e75b091e024c5721.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3f2014b84910caad.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-db39768d7d04483a.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-4c1e14384db19f39.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-972a6e6f22232cfe.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-16f44b435b6f0168.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-19f85ccd2b063f07.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dbd15b1f007a2c34.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-7ad47f73f86d1b08.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6d60fdf294b7b32a80de9bba4bcfdb5c4e11b03044e5d0e1ee0bab4dba2c7a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d60fdf294b7b32a80de9bba4bcfdb5c4e11b03044e5d0e1ee0bab4dba2c7a85", kill_on_drop: false }`
[INFO] [stdout] 6d60fdf294b7b32a80de9bba4bcfdb5c4e11b03044e5d0e1ee0bab4dba2c7a85
