[INFO] fetching crate spadebox-mcp 0.4.0...
[INFO] testing spadebox-mcp-0.4.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate spadebox-mcp 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate spadebox-mcp 0.4.0
[INFO] finished tweaking crates.io crate spadebox-mcp 0.4.0
[INFO] tweaked toml for crates.io crate spadebox-mcp 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spadebox-mcp 0.4.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spadebox-mcp 0.4.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.115
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.115
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.115
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.115
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.65
[INFO] [stderr]   Downloaded js-sys v0.3.92
[INFO] [stderr]   Downloaded markup5ever v0.38.0
[INFO] [stderr]   Downloaded grep-matcher v0.1.8
[INFO] [stderr]   Downloaded grep-searcher v0.1.16
[INFO] [stderr]   Downloaded web_atoms v0.2.4
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded fs-set-times v0.20.3
[INFO] [stderr]   Downloaded winx v0.36.4
[INFO] [stderr]   Downloaded tag_ptr v0.1.0
[INFO] [stderr]   Downloaded small_btree v0.1.0
[INFO] [stderr]   Downloaded ambient-authority v0.0.2
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.38.0+unofficial
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded io-lifetimes v2.0.4
[INFO] [stderr]   Downloaded xsum v0.1.6
[INFO] [stderr]   Downloaded xml5ever v0.38.0
[INFO] [stderr]   Downloaded icu_normalizer v2.0.1
[INFO] [stderr]   Downloaded rustix-linux-procfs v0.1.1
[INFO] [stderr]   Downloaded io-extras v0.18.4
[INFO] [stderr]   Downloaded cow-utils v0.1.3
[INFO] [stderr]   Downloaded icu_properties v2.0.2
[INFO] [stderr]   Downloaded html5ever v0.38.0
[INFO] [stderr]   Downloaded boa_interner v0.21.1
[INFO] [stderr]   Downloaded grep-regex v0.1.14
[INFO] [stderr]   Downloaded rustls-webpki v0.103.11
[INFO] [stderr]   Downloaded cap-std v3.4.5
[INFO] [stderr]   Downloaded thin-vec v0.2.16
[INFO] [stderr]   Downloaded boa_gc v0.21.1
[INFO] [stderr]   Downloaded fast-float2 v0.2.3
[INFO] [stderr]   Downloaded boa_macros v0.21.1
[INFO] [stderr]   Downloaded rmcp-macros v1.3.0
[INFO] [stderr]   Downloaded intrusive-collections v0.9.7
[INFO] [stderr]   Downloaded dynify v0.1.2
[INFO] [stderr]   Downloaded dynify-macros v0.1.2
[INFO] [stderr]   Downloaded ryu-js v1.0.2
[INFO] [stderr]   Downloaded boa_string v0.21.1
[INFO] [stderr]   Downloaded float16 v0.1.5
[INFO] [stderr]   Downloaded cap-primitives v3.4.5
[INFO] [stderr]   Downloaded futures-concurrency v7.7.1
[INFO] [stderr]   Downloaded boa_ast v0.21.1
[INFO] [stderr]   Downloaded boa_parser v0.21.1
[INFO] [stderr]   Downloaded rmcp v1.3.0
[INFO] [stderr]   Downloaded htmd v0.5.4
[INFO] [stderr]   Downloaded regress v0.10.5
[INFO] [stderr]   Downloaded web-sys v0.3.92
[INFO] [stderr]   Downloaded boa_engine v0.21.1
[INFO] [stderr]   Downloaded spadebox-core v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da08ff659880189985cc03cff42999395214c0be872e70426667974cded1ca58
[INFO] running `Command { std: "docker" "start" "-a" "da08ff659880189985cc03cff42999395214c0be872e70426667974cded1ca58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da08ff659880189985cc03cff42999395214c0be872e70426667974cded1ca58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da08ff659880189985cc03cff42999395214c0be872e70426667974cded1ca58", kill_on_drop: false }`
[INFO] [stdout] da08ff659880189985cc03cff42999395214c0be872e70426667974cded1ca58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4b5650a2ee11bb5feeb1bc3cad99eebaf0f3a848d728c0a82a11ac68dda0d1
[INFO] running `Command { std: "docker" "start" "-a" "2c4b5650a2ee11bb5feeb1bc3cad99eebaf0f3a848d728c0a82a11ac68dda0d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling winnow v1.0.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling rustls v0.23.38
[INFO] [stderr]    Compiling fast-float2 v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling cow-utils v0.1.3
[INFO] [stderr]    Compiling io-lifetimes v2.0.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu-js v1.0.2
[INFO] [stderr]    Compiling tendril v0.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling boa_string v0.21.1
[INFO] [stderr]    Compiling thin-vec v0.2.16
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling web_atoms v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling float16 v0.1.5
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling cap-primitives v3.4.5
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling regress v0.10.5
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling grep-matcher v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling cap-std v3.4.5
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling ambient-authority v0.0.2
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling small_btree v0.1.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling rand v0.9.4
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling tag_ptr v0.1.0
[INFO] [stderr]    Compiling rmcp v1.3.0
[INFO] [stderr]    Compiling xsum v0.1.6
[INFO] [stderr]    Compiling pastey v0.2.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling fs-set-times v0.20.3
[INFO] [stderr]    Compiling rustix-linux-procfs v0.1.1
[INFO] [stderr] error: could not compile `regress` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/bin/rustc --crate-name regress --edition=2024 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regress-0.10.5/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 --cfg 'feature="backend-pikevm"' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="utf16"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("backend-pikevm", "default", "index-positions", "pattern", "prohibit-unsafe", "std", "utf16"))' -C metadata=6ce76307773fe796 -C extra-filename=-ec15c2fafa833fa2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-b345fd242f4c0834.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d8218b780a78fe0a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2c4b5650a2ee11bb5feeb1bc3cad99eebaf0f3a848d728c0a82a11ac68dda0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4b5650a2ee11bb5feeb1bc3cad99eebaf0f3a848d728c0a82a11ac68dda0d1", kill_on_drop: false }`
[INFO] [stdout] 2c4b5650a2ee11bb5feeb1bc3cad99eebaf0f3a848d728c0a82a11ac68dda0d1
