[INFO] fetching crate selium-kernel 1.0.0-alpha.6...
[INFO] testing selium-kernel-1.0.0-alpha.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate selium-kernel 1.0.0-alpha.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate selium-kernel 1.0.0-alpha.6
[INFO] finished tweaking crates.io crate selium-kernel 1.0.0-alpha.6
[INFO] tweaked toml for crates.io crate selium-kernel 1.0.0-alpha.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate selium-kernel 1.0.0-alpha.6 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] crate crates.io crate selium-kernel 1.0.0-alpha.6 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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 524a3b4c89b3faa7229f428a646ff83225d0ca1fdaf5009c7bd0d0ebacf4b325
[INFO] running `Command { std: "docker" "start" "-a" "524a3b4c89b3faa7229f428a646ff83225d0ca1fdaf5009c7bd0d0ebacf4b325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "524a3b4c89b3faa7229f428a646ff83225d0ca1fdaf5009c7bd0d0ebacf4b325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524a3b4c89b3faa7229f428a646ff83225d0ca1fdaf5009c7bd0d0ebacf4b325", kill_on_drop: false }`
[INFO] [stdout] 524a3b4c89b3faa7229f428a646ff83225d0ca1fdaf5009c7bd0d0ebacf4b325
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b052c1bdeb7054d0bed37bed4227ba25e22d75ddfb46b35f8d25b63e0455204
[INFO] running `Command { std: "docker" "start" "-a" "0b052c1bdeb7054d0bed37bed4227ba25e22d75ddfb46b35f8d25b63e0455204", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling wasmtime-internal-core v43.0.1
[INFO] [stderr]    Compiling cranelift-srcgen v0.130.1
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling cranelift-isle v0.130.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.130.1
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling pulley-macros v43.0.1
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling wasmtime-internal-versioned-export-macros v43.0.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.130.1
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling object v0.38.1
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.3.1
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling wasm-encoder v0.245.1
[INFO] [stderr]    Compiling bytecheck_derive v0.8.2
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling wasmtime-internal-unwinder v43.0.1
[INFO] [stderr]    Compiling ptr_meta v0.3.1
[INFO] [stderr]    Compiling munge_macro v0.4.7
[INFO] [stderr]    Compiling rancor v0.1.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rkyv_derive v0.8.15
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling wasmparser v0.245.1
[INFO] [stderr]    Compiling postcard v1.1.3
[INFO] [stderr]    Compiling gimli v0.33.1
[INFO] [stderr]    Compiling regalloc2 v0.15.0
[INFO] [stderr]    Compiling cranelift-control v0.130.1
[INFO] [stderr]    Compiling bytecheck v0.8.2
[INFO] [stderr]    Compiling cranelift-bitset v0.130.1
[INFO] [stderr]    Compiling rend v0.5.3
[INFO] [stderr]    Compiling pulley-interpreter v43.0.1
[INFO] [stderr]    Compiling munge v0.4.7
[INFO] [stderr]    Compiling wasmtime-internal-jit-icache-coherence v43.0.1
[INFO] [stderr]    Compiling cranelift-entity v0.130.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling wasmtime-internal-fiber v43.0.1
[INFO] [stderr]    Compiling cranelift-bforest v0.130.1
[INFO] [stderr]    Compiling wasmtime v43.0.1
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.130.1
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr] error: could not compile `wasmparser` (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 wasmparser --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/wasmparser-0.245.1/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 '--allow=clippy::all' --warn=unused_import_braces --warn=unused_extern_crates --warn=unused-macro-rules --warn=unused-lifetimes --warn=unstable_features --deny=unsafe_code --warn=unsafe-op-in-unsafe-fn --warn=unsafe-attr-outside-unsafe '--warn=clippy::unnecessary_to_owned' '--warn=clippy::unnecessary_mut_passed' '--warn=clippy::unnecessary_fallible_conversions' '--warn=clippy::unnecessary_cast' '--warn=clippy::uninlined_format_args' --warn=unexpected_cfgs --warn=rust-2024-prelude-collisions --warn=rust-2024-incompatible-pat --warn=rust-2024-guarded-string-incompatible-syntax --warn=missing-unsafe-on-extern '--warn=clippy::map_clone' '--warn=clippy::manual_strip' --warn=keyword_idents_2024 --warn=deprecated-safe-2024 '--warn=clippy::clone_on_copy' --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(debug_check_try_op)' --cfg 'feature="component-model"' --cfg 'feature="features"' --cfg 'feature="serde"' --cfg 'feature="simd"' --cfg 'feature="std"' --cfg 'feature="validate"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("component-model", "default", "features", "hash-collections", "prefer-btree-collections", "serde", "simd", "std", "try-op", "validate"))' -C metadata=19fcbd15046358eb -C extra-filename=-45f685cf1c84808f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-9df9c6f560e10b5f.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-f39ad194542bc06e.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-70f2ab9e51ecb186.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cranelift-assembler-x64` (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 cranelift_assembler_x64 --edition=2024 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cranelift-assembler-x64-0.130.1/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 '--allow=clippy::all' '--warn=clippy::useless_conversion' --warn=unused_import_braces --warn=unused_extern_crates --warn=unused-macro-rules --warn=unused-lifetimes --warn=unstable_features '--warn=clippy::unnecessary_to_owned' '--warn=clippy::unnecessary_mut_passed' '--warn=clippy::unnecessary_fallible_conversions' '--warn=clippy::unnecessary_cast' '--warn=clippy::uninlined_format_args' --warn=unexpected_cfgs --warn=trivial_numeric_casts '--warn=clippy::redundant_field_names' '--warn=clippy::multiple_bound_locations' '--warn=clippy::map_clone' '--warn=clippy::manual_strip' '--warn=clippy::from_over_into' '--warn=clippy::extra_unused_type_parameters' '--warn=clippy::clone_on_copy' '--warn=clippy::allow_attributes_without_reason' --check-cfg 'cfg(pulley_tail_calls)' --check-cfg 'cfg(pulley_assume_llvm_makes_tail_calls)' --check-cfg 'cfg(pulley_disable_interp_simd)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("fuzz"))' -C metadata=a8613a45606ad0ea -C extra-filename=-bffd0d50f4164d34 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `object` (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 object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.38.1/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 '--allow=clippy::uninlined_format_args' '--allow=clippy::type_complexity' '--allow=clippy::single_match' '--allow=clippy::should_implement_trait' '--allow=clippy::result_unit_err' '--allow=clippy::needless_lifetimes' '--allow=clippy::match_like_matches_macro' '--allow=clippy::manual_flatten' '--allow=clippy::field_reassign_with_default' '--allow=clippy::comparison_chain' '--allow=clippy::collapsible_match' '--allow=clippy::collapsible_if' '--allow=clippy::collapsible_else_if' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="std"' --cfg 'feature="unaligned"' --cfg 'feature="write"' --cfg 'feature="write_core"' --cfg 'feature="write_std"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=2ccb62de9e6f7f84 -C extra-filename=-f8d822367ccdeb9b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-6206e25a009cf874.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-2b69d7109dfaf3b9.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-e3fa2ae565176ef7.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9c99a16d1eb4a64c.rmeta --cap-lints allow --cap-lints=warn --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0b052c1bdeb7054d0bed37bed4227ba25e22d75ddfb46b35f8d25b63e0455204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b052c1bdeb7054d0bed37bed4227ba25e22d75ddfb46b35f8d25b63e0455204", kill_on_drop: false }`
[INFO] [stdout] 0b052c1bdeb7054d0bed37bed4227ba25e22d75ddfb46b35f8d25b63e0455204
