[INFO] cloning repository https://github.com/kislball/reverb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kislball/reverb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Freverb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Freverb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbc65304de85dea8bd2d4cba037088ab24e40ca2
[INFO] testing kislball/reverb against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Freverb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kislball/reverb
[INFO] finished tweaking git repo https://github.com/kislball/reverb
[INFO] tweaked toml for git repo https://github.com/kislball/reverb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kislball/reverb 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 git repo https://github.com/kislball/reverb 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c85b0f45b25a937d0c49f78522dc501aae5ed3444fbf9a54f3fc10febc45a8f6
[INFO] running `Command { std: "docker" "start" "-a" "c85b0f45b25a937d0c49f78522dc501aae5ed3444fbf9a54f3fc10febc45a8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c85b0f45b25a937d0c49f78522dc501aae5ed3444fbf9a54f3fc10febc45a8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85b0f45b25a937d0c49f78522dc501aae5ed3444fbf9a54f3fc10febc45a8f6", kill_on_drop: false }`
[INFO] [stdout] c85b0f45b25a937d0c49f78522dc501aae5ed3444fbf9a54f3fc10febc45a8f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fd181f6be5649a57b7f3d1460fdf336ef24c61357ef719219a6a4a8da9e15e72
[INFO] running `Command { std: "docker" "start" "-a" "fd181f6be5649a57b7f3d1460fdf336ef24c61357ef719219a6a4a8da9e15e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling cranelift-srcgen v0.120.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling cranelift-bitset v0.120.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling cranelift-isle v0.120.0
[INFO] [stderr]    Compiling bumpalo v3.18.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling pulley-interpreter v33.0.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.120.0
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.120.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling wasmparser v0.229.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.120.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling wasm-encoder v0.234.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling wasm-encoder v0.229.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling wasmtime-math v33.0.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling cranelift-control v0.120.0
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling wasmtime-component-util v33.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling wasmtime-component-macro v33.0.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling wasmtime-cache v33.0.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.120.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling wast v234.0.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling ittapi-sys v0.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling wasmtime-asm-macros v33.0.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ittapi v0.4.0
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling wasmtime-jit-icache-coherence v33.0.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling memfd v0.6.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lru v0.13.0
[INFO] [stderr]    Compiling wasmtime-slab v33.0.0
[INFO] [stderr]    Compiling cranelift-codegen v0.120.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling wasmtime-versioned-export-macros v33.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling trait-variant v0.1.2
[INFO] [stderr]    Compiling wasmtime-jit-debug v33.0.0
[INFO] [stderr]    Compiling wasmtime-fiber v33.0.0
[INFO] [stderr]    Compiling wasmtime v33.0.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling wit-parser v0.229.0
[INFO] [stderr]    Compiling zstd v0.13.3
[INFO] [stderr]    Compiling wat v1.234.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling serde_bytes v0.11.17
[INFO] [stderr]    Compiling serde_bencode v0.2.4
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling cranelift-entity v0.120.0
[INFO] [stderr]    Compiling regalloc2 v0.12.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling mainline v5.4.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling cranelift-bforest v0.120.0
[INFO] [stderr]    Compiling wasmtime-wit-bindgen v33.0.0
[INFO] [stderr]    Compiling rvb_common v0.1.0 (/opt/rustwide/workdir/rvb_common)
[INFO] [stderr]    Compiling fxprof-processed-profile v0.6.0
[INFO] [stderr]    Compiling rvb_clib v0.1.0 (/opt/rustwide/workdir/rvb_clib)
[INFO] [stderr]    Compiling rvb_transport v0.1.0 (/opt/rustwide/workdir/rvb_transport)
[INFO] [stderr]    Compiling test_contract v0.1.0 (/opt/rustwide/workdir/rvb_clib/test_contract)
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr] error: could not compile `toml_edit` (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 toml_edit --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/toml_edit-0.22.27/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=rust_2018_idioms '--warn=clippy::zero_sized_map_values' '--warn=clippy::wildcard_imports' '--warn=clippy::verbose_file_reads' --warn=unused_qualifications --warn=unused_macro_rules --warn=unused_lifetimes --warn=unsafe_op_in_unsafe_fn --warn=unreachable_pub --allow=unnameable_types '--warn=clippy::uninlined_format_args' '--warn=clippy::trait_duplication_in_bounds' '--warn=clippy::todo' '--warn=clippy::string_to_string' '--warn=clippy::string_lit_as_bytes' '--warn=clippy::string_add_assign' '--warn=clippy::string_add' '--warn=clippy::str_to_string' '--warn=clippy::semicolon_if_nothing_returned' '--warn=clippy::self_named_module_files' '--warn=clippy::same_functions_in_if_condition' '--allow=clippy::result_large_err' '--warn=clippy::rest_pat_in_fully_bound_structs' '--warn=clippy::ref_option_ref' '--warn=clippy::redundant_feature_names' '--warn=clippy::rc_mutex' '--warn=clippy::ptr_as_ptr' '--warn=clippy::path_buf_push_overwrite' '--warn=clippy::negative_feature_names' '--warn=clippy::needless_for_each' '--allow=clippy::needless_continue' '--warn=clippy::mutex_integer' '--warn=clippy::mem_forget' '--warn=clippy::macro_use_imports' '--warn=clippy::lossy_float_literal' '--warn=clippy::linkedlist' '--allow=clippy::let_and_return' '--warn=clippy::large_types_passed_by_value' '--warn=clippy::large_stack_arrays' '--warn=clippy::large_digit_groups' '--warn=clippy::invalid_upcast_comparisons' '--warn=clippy::infinite_loop' '--warn=clippy::inefficient_to_string' '--warn=clippy::inconsistent_struct_constructor' '--warn=clippy::imprecise_flops' '--warn=clippy::implicit_clone' '--allow=clippy::if_same_then_else' '--warn=clippy::from_iter_instead_of_collect' '--warn=clippy::fn_params_excessive_bools' '--warn=clippy::float_cmp_const' '--warn=clippy::flat_map_option' '--warn=clippy::filter_map_next' '--warn=clippy::fallible_impl_from' '--warn=clippy::explicit_into_iter_loop' '--warn=clippy::explicit_deref_methods' '--warn=clippy::expl_impl_clone_on_copy' '--warn=clippy::enum_glob_use' '--warn=clippy::empty_enum' '--warn=clippy::doc_markdown' '--warn=clippy::debug_assert_with_mut_call' '--warn=clippy::dbg_macro' '--warn=clippy::create_dir' '--allow=clippy::collapsible_else_if' '--warn=clippy::checked_conversions' '--allow=clippy::branches_sharing_code' '--allow=clippy::bool_assert_comparison' --cfg 'feature="display"' --cfg 'feature="parse"' --cfg 'feature="serde"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "display", "parse", "perf", "serde", "unbounded", "unstable-debug"))' -C metadata=41b3ab1f303854ac -C extra-filename=-36aa75a8ec1867b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-a0ebd23a72504e97.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-bcfc2201f71620fa.rmeta --extern serde_spanned=/opt/rustwide/target/debug/deps/libserde_spanned-7d88dcdb181f424e.rmeta --extern toml_datetime=/opt/rustwide/target/debug/deps/libtoml_datetime-c44df48065b28fdf.rmeta --extern toml_write=/opt/rustwide/target/debug/deps/libtoml_write-82a434ecc5d2c182.rmeta --extern winnow=/opt/rustwide/target/debug/deps/libwinnow-97e30d79f58393db.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 `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-0.229.0/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' --deny=unsafe_code '--warn=clippy::unnecessary_to_owned' '--warn=clippy::map_clone' '--warn=clippy::manual_strip' '--warn=clippy::clone_on_copy' --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", "validate"))' -C metadata=d8d22ae045355599 -C extra-filename=-405f9da935b74d2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f70e590b0cf8b0eb.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-e4a383823a365997.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-bcfc2201f71620fa.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" "fd181f6be5649a57b7f3d1460fdf336ef24c61357ef719219a6a4a8da9e15e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd181f6be5649a57b7f3d1460fdf336ef24c61357ef719219a6a4a8da9e15e72", kill_on_drop: false }`
[INFO] [stdout] fd181f6be5649a57b7f3d1460fdf336ef24c61357ef719219a6a4a8da9e15e72
