[INFO] fetching crate mc-mcp 0.1.10...
[INFO] testing mc-mcp-0.1.10 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mc-mcp 0.1.10 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mc-mcp 0.1.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mc-mcp 0.1.10
[INFO] tweaked toml for crates.io crate mc-mcp 0.1.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc-mcp 0.1.10 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mc-mcp 0.1.10 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 732ec823d7a0c692f7ea7420d8f282f4d21a909094bc391d78affa127472c405
[INFO] running `Command { std: "docker" "start" "-a" "732ec823d7a0c692f7ea7420d8f282f4d21a909094bc391d78affa127472c405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "732ec823d7a0c692f7ea7420d8f282f4d21a909094bc391d78affa127472c405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732ec823d7a0c692f7ea7420d8f282f4d21a909094bc391d78affa127472c405", kill_on_drop: false }`
[INFO] [stdout] 732ec823d7a0c692f7ea7420d8f282f4d21a909094bc391d78affa127472c405
[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=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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4504d30873db844209538795f32c484768d1b334c8e7ab2716381f44553622f3
[INFO] running `Command { std: "docker" "start" "-a" "4504d30873db844209538795f32c484768d1b334c8e7ab2716381f44553622f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rustls v0.23.26
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling webpki-roots v0.26.8
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/dec9417b8611e34e787a3e4c37686b5131f9e5c5/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.5/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="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=442385bbf35f1b12 -C extra-filename=-13fc688ae7f36982 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "4504d30873db844209538795f32c484768d1b334c8e7ab2716381f44553622f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4504d30873db844209538795f32c484768d1b334c8e7ab2716381f44553622f3", kill_on_drop: false }`
[INFO] [stdout] 4504d30873db844209538795f32c484768d1b334c8e7ab2716381f44553622f3