[INFO] fetching crate spadebox-mcp 0.2.0...
[INFO] testing spadebox-mcp-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spadebox-mcp 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spadebox-mcp 0.2.0
[INFO] finished tweaking crates.io crate spadebox-mcp 0.2.0
[INFO] tweaked toml for crates.io crate spadebox-mcp 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spadebox-mcp 0.2.0 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 spadebox-mcp 0.2.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4bd627d2cdbcb9f1e6563c45cf32c47040253ecd54bb63b8b5a228b2efa6778c
[INFO] running `Command { std: "docker" "start" "-a" "4bd627d2cdbcb9f1e6563c45cf32c47040253ecd54bb63b8b5a228b2efa6778c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd627d2cdbcb9f1e6563c45cf32c47040253ecd54bb63b8b5a228b2efa6778c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd627d2cdbcb9f1e6563c45cf32c47040253ecd54bb63b8b5a228b2efa6778c", kill_on_drop: false }`
[INFO] [stdout] 4bd627d2cdbcb9f1e6563c45cf32c47040253ecd54bb63b8b5a228b2efa6778c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eca0c4856032ad47a00f1d0668cb425fe192d96ea0cd646f8043adb9a3dfc2b8
[INFO] running `Command { std: "docker" "start" "-a" "eca0c4856032ad47a00f1d0668cb425fe192d96ea0cd646f8043adb9a3dfc2b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling aws-lc-rs v1.16.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling cap-primitives v3.4.5
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling grep-matcher v0.1.8
[INFO] [stderr]    Compiling cap-std v3.4.5
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling schemars_derive v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling memmap2 v0.9.10
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling rmcp v1.3.0
[INFO] [stderr]    Compiling aws-lc-sys v0.39.1
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr] error: could not compile `rustix` (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 rustix --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-1.1.4/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=unexpected_cfgs --check-cfg 'cfg(alloc_c_string)' --check-cfg 'cfg(alloc_ffi)' --check-cfg 'cfg(apple)' --check-cfg 'cfg(asm_experimental_arch)' --check-cfg 'cfg(bsd)' --check-cfg 'cfg(core_c_str)' --check-cfg 'cfg(core_ffi_c)' --check-cfg 'cfg(core_intrinsics)' --check-cfg 'cfg(criterion)' --check-cfg 'cfg(document_experimental_runtime_api)' --check-cfg 'cfg(error_in_core)' --check-cfg 'cfg(fix_y2038)' --check-cfg 'cfg(freebsdlike)' --check-cfg 'cfg(libc)' --check-cfg 'cfg(linux_kernel)' --check-cfg 'cfg(linux_like)' --check-cfg 'cfg(linux_raw)' --check-cfg 'cfg(linux_raw_dep)' --check-cfg 'cfg(lower_upper_exp_for_non_zero)' --check-cfg 'cfg(sanitize_memory)' --check-cfg 'cfg(netbsdlike)' --check-cfg 'cfg(rustc_attrs)' --check-cfg 'cfg(rustc_diagnostics)' --check-cfg 'cfg(solarish)' --check-cfg 'cfg(staged_api)' --check-cfg 'cfg(static_assertions)' --check-cfg 'cfg(thumb_mode)' --check-cfg 'cfg(wasi)' --check-cfg 'cfg(wasi_ext)' --check-cfg 'cfg(wasip2)' --check-cfg 'cfg(target_arch, values("xtensa"))' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="process"' --cfg 'feature="std"' --cfg 'feature="termios"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all-apis", "alloc", "core", "default", "event", "fs", "io_uring", "libc", "libc_errno", "linux_4_11", "linux_5_1", "linux_5_11", "linux_latest", "mm", "mount", "net", "param", "pipe", "process", "pty", "rand", "runtime", "rustc-dep-of-std", "rustc-std-workspace-alloc", "shm", "std", "stdio", "system", "termios", "thread", "time", "try_close", "use-explicitly-provided-auxv", "use-libc", "use-libc-auxv"))' -C metadata=c25f88e49f22fdd8 -C extra-filename=-8341279f0e45e03e --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 linux_raw_sys=/opt/rustwide/target/debug/deps/liblinux_raw_sys-5ed7ad16f75f2918.rmeta --cap-lints allow --cap-lints=warn --cfg static_assertions --cfg lower_upper_exp_for_non_zero --cfg rustc_diagnostics --cfg linux_raw_dep --cfg linux_raw --cfg linux_like --cfg linux_kernel` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "eca0c4856032ad47a00f1d0668cb425fe192d96ea0cd646f8043adb9a3dfc2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca0c4856032ad47a00f1d0668cb425fe192d96ea0cd646f8043adb9a3dfc2b8", kill_on_drop: false }`
[INFO] [stdout] eca0c4856032ad47a00f1d0668cb425fe192d96ea0cd646f8043adb9a3dfc2b8