[INFO] fetching crate re_selection_panel 0.27.0-alpha.7...
[INFO] testing re_selection_panel-0.27.0-alpha.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate re_selection_panel 0.27.0-alpha.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate re_selection_panel 0.27.0-alpha.7
[INFO] finished tweaking crates.io crate re_selection_panel 0.27.0-alpha.7
[INFO] tweaked toml for crates.io crate re_selection_panel 0.27.0-alpha.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate re_selection_panel 0.27.0-alpha.7 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate re_selection_panel 0.27.0-alpha.7 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dca48a5f6e5efb3add3acba9c2791990b10bf2b5dfe684b991735fd65831f87
[INFO] running `Command { std: "docker" "start" "-a" "4dca48a5f6e5efb3add3acba9c2791990b10bf2b5dfe684b991735fd65831f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dca48a5f6e5efb3add3acba9c2791990b10bf2b5dfe684b991735fd65831f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dca48a5f6e5efb3add3acba9c2791990b10bf2b5dfe684b991735fd65831f87", kill_on_drop: false }`
[INFO] [stdout] 4dca48a5f6e5efb3add3acba9c2791990b10bf2b5dfe684b991735fd65831f87
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e630ec612596be86b59faef2139f68a6f4cae6f6abc716de46a2f3e93039d80
[INFO] running `Command { std: "docker" "start" "-a" "5e630ec612596be86b59faef2139f68a6f4cae6f6abc716de46a2f3e93039d80", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling lz4_flex v0.11.5
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling flatbuffers v25.9.23
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling camino v1.2.1
[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-2025-10-28-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-0.8.6/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=a85348af3e351f07 -C extra-filename=-c1c62fdedc196a6a --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" "5e630ec612596be86b59faef2139f68a6f4cae6f6abc716de46a2f3e93039d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e630ec612596be86b59faef2139f68a6f4cae6f6abc716de46a2f3e93039d80", kill_on_drop: false }`
[INFO] [stdout] 5e630ec612596be86b59faef2139f68a6f4cae6f6abc716de46a2f3e93039d80