[INFO] fetching crate znap 0.1.37...
[INFO] testing znap-0.1.37 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate znap 0.1.37 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate znap 0.1.37
[INFO] finished tweaking crates.io crate znap 0.1.37
[INFO] tweaked toml for crates.io crate znap 0.1.37 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate znap 0.1.37 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 584 packages to latest compatible versions
[INFO] [stderr]       Adding axum v0.7.9 (available: v0.8.9)
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding handlebars v5.1.2 (available: v6.4.0)
[INFO] [stderr]       Adding solana-client v2.3.13 (available: v3.1.14)
[INFO] [stderr]       Adding solana-sdk v2.3.1 (available: v4.0.1)
[INFO] [stderr]       Adding tower-http v0.5.2 (available: v0.6.8)
[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] 2c6acdf2a2182954bfceae0b9a1fc37f29d52e963ae041726fa1cce1d8d81602
[INFO] running `Command { std: "docker" "start" "-a" "2c6acdf2a2182954bfceae0b9a1fc37f29d52e963ae041726fa1cce1d8d81602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6acdf2a2182954bfceae0b9a1fc37f29d52e963ae041726fa1cce1d8d81602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6acdf2a2182954bfceae0b9a1fc37f29d52e963ae041726fa1cce1d8d81602", kill_on_drop: false }`
[INFO] [stdout] 2c6acdf2a2182954bfceae0b9a1fc37f29d52e963ae041726fa1cce1d8d81602
[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] c92380536e8720cd308ed55295e539fd9f7c6e9ad5d7c8968410c95aa857ef5a
[INFO] running `Command { std: "docker" "start" "-a" "c92380536e8720cd308ed55295e539fd9f7c6e9ad5d7c8968410c95aa857ef5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.20.0
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling borsh v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling solana-sdk-macro v2.2.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling serde-big-array v0.5.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling cmov v0.5.3
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hybrid-array v0.4.11
[INFO] [stderr]    Compiling ctutils v0.4.2
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling solana-short-vec v2.2.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling solana-fee-calculator v2.2.1
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling rustls v0.23.39
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.78
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling crypto-common v0.2.1
[INFO] [stderr]    Compiling block-buffer v0.12.0
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling compression-core v0.4.32
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.2.2
[INFO] [stderr]    Compiling borsh-derive v1.6.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling blake3 v1.8.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling digest v0.11.2
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.114
[INFO] [stderr]    Compiling sha3 v0.10.9
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling hmac-drbg v0.3.0
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling libsecp256k1 v0.6.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling solana-seed-phrase v2.2.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr] error: could not compile `syn` (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 syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=5e5fc97ca83e0845 -C extra-filename=-39d4ceba2b560b44 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0fa97b1aa44f5fda.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-544fd508281ca8af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-423507c85e36a25a.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c92380536e8720cd308ed55295e539fd9f7c6e9ad5d7c8968410c95aa857ef5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92380536e8720cd308ed55295e539fd9f7c6e9ad5d7c8968410c95aa857ef5a", kill_on_drop: false }`
[INFO] [stdout] c92380536e8720cd308ed55295e539fd9f7c6e9ad5d7c8968410c95aa857ef5a
