[INFO] fetching crate ai-descriptor-derive 0.6.0...
[INFO] building ai-descriptor-derive-0.6.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ai-descriptor-derive 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ai-descriptor-derive 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ai-descriptor-derive 0.6.0
[INFO] tweaked toml for crates.io crate ai-descriptor-derive 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ai-descriptor-derive 0.6.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ai-descriptor-derive 0.6.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29173a01e0e1f052ec0506b65ac44a5c4a68ff5652552e1f379152554a10c0b1
[INFO] running `Command { std: "docker" "start" "-a" "29173a01e0e1f052ec0506b65ac44a5c4a68ff5652552e1f379152554a10c0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29173a01e0e1f052ec0506b65ac44a5c4a68ff5652552e1f379152554a10c0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29173a01e0e1f052ec0506b65ac44a5c4a68ff5652552e1f379152554a10c0b1", kill_on_drop: false }`
[INFO] [stdout] 29173a01e0e1f052ec0506b65ac44a5c4a68ff5652552e1f379152554a10c0b1
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2258c1726189706bd063d1f39bc84ff6ed28b5bb35a190aca1dbb44459b08216
[INFO] running `Command { std: "docker" "start" "-a" "2258c1726189706bd063d1f39bc84ff6ed28b5bb35a190aca1dbb44459b08216", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling itoa v1.0.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling jiff v0.2.8
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling disable_macro v0.3.6
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling serial_test v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling getset v0.1.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling tracing-setup v1.0.4
[INFO] [stderr]    Compiling ai-descriptor-derive v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fields_unnamed`
[INFO] [stdout]    --> src/item_with_features.rs:247:21
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let fields_unnamed = match &variant.fields {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields_unnamed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_ident`
[INFO] [stdout]    --> src/item_with_features.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 variant_ident: &syn::Ident,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.45s
[INFO] running `Command { std: "docker" "inspect" "2258c1726189706bd063d1f39bc84ff6ed28b5bb35a190aca1dbb44459b08216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2258c1726189706bd063d1f39bc84ff6ed28b5bb35a190aca1dbb44459b08216", kill_on_drop: false }`
[INFO] [stdout] 2258c1726189706bd063d1f39bc84ff6ed28b5bb35a190aca1dbb44459b08216
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 513228db6726cbe9c73aef0665e01d17e9f9285ffc753ba8b0223bc24a5c8bee
[INFO] running `Command { std: "docker" "start" "-a" "513228db6726cbe9c73aef0665e01d17e9f9285ffc753ba8b0223bc24a5c8bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.13
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling jiff v0.2.8
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/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 --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=bdd04e0f4dc7c7dd -C extra-filename=-a51f3b0cccc0511b --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" "513228db6726cbe9c73aef0665e01d17e9f9285ffc753ba8b0223bc24a5c8bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513228db6726cbe9c73aef0665e01d17e9f9285ffc753ba8b0223bc24a5c8bee", kill_on_drop: false }`
[INFO] [stdout] 513228db6726cbe9c73aef0665e01d17e9f9285ffc753ba8b0223bc24a5c8bee