[INFO] fetching crate union_square 0.2.0...
[INFO] testing union_square-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate union_square 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate union_square 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate union_square 0.2.0
[INFO] tweaked toml for crates.io crate union_square 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate union_square 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate union_square 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8de4f764815698197fabed3d37cffdee13053c6acc6ae8f25b9b783f6dcc6909
[INFO] running `Command { std: "docker" "start" "-a" "8de4f764815698197fabed3d37cffdee13053c6acc6ae8f25b9b783f6dcc6909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8de4f764815698197fabed3d37cffdee13053c6acc6ae8f25b9b783f6dcc6909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de4f764815698197fabed3d37cffdee13053c6acc6ae8f25b9b783f6dcc6909", kill_on_drop: false }`
[INFO] [stdout] 8de4f764815698197fabed3d37cffdee13053c6acc6ae8f25b9b783f6dcc6909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318f6853dc5757f693986fddd8e32b7fae0dce507881c5842caf892ad237016d
[INFO] running `Command { std: "docker" "start" "-a" "318f6853dc5757f693986fddd8e32b7fae0dce507881c5842caf892ad237016d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "318f6853dc5757f693986fddd8e32b7fae0dce507881c5842caf892ad237016d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318f6853dc5757f693986fddd8e32b7fae0dce507881c5842caf892ad237016d", kill_on_drop: false }`
[INFO] [stdout] 318f6853dc5757f693986fddd8e32b7fae0dce507881c5842caf892ad237016d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba106f4c82da78d50182890b5a7ade614b72cdb3fbed56c8aafc36fd58069046
[INFO] running `Command { std: "docker" "start" "-a" "ba106f4c82da78d50182890b5a7ade614b72cdb3fbed56c8aafc36fd58069046", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling vsimd v0.8.0
[INFO] [stderr]    Compiling outref v0.5.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling base64-simd v0.8.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.30.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling bytes-utils v0.1.4
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling aws-types v1.3.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling rustls v0.21.12
[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/beta-2025-09-21-x86_64-unknown-linux-gnu/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 opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --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=017e7577b434c816 -C extra-filename=-ab7fca25e765f977 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba106f4c82da78d50182890b5a7ade614b72cdb3fbed56c8aafc36fd58069046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba106f4c82da78d50182890b5a7ade614b72cdb3fbed56c8aafc36fd58069046", kill_on_drop: false }`
[INFO] [stdout] ba106f4c82da78d50182890b5a7ade614b72cdb3fbed56c8aafc36fd58069046