[INFO] fetching crate re_recording_panel 0.31.3...
[INFO] testing re_recording_panel-0.31.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate re_recording_panel 0.31.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate re_recording_panel 0.31.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate re_recording_panel 0.31.3
[INFO] tweaked toml for crates.io crate re_recording_panel 0.31.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate re_recording_panel 0.31.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate re_recording_panel 0.31.3 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82963cbc30d7aeb7ff1acd983fb05a67e9b5010c0b2a37ec19935536dad2f389
[INFO] running `Command { std: "docker" "start" "-a" "82963cbc30d7aeb7ff1acd983fb05a67e9b5010c0b2a37ec19935536dad2f389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82963cbc30d7aeb7ff1acd983fb05a67e9b5010c0b2a37ec19935536dad2f389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82963cbc30d7aeb7ff1acd983fb05a67e9b5010c0b2a37ec19935536dad2f389", kill_on_drop: false }`
[INFO] [stdout] 82963cbc30d7aeb7ff1acd983fb05a67e9b5010c0b2a37ec19935536dad2f389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4f06176e07a211048909d791add8de94169137b0be38ec9738c4433b25f460b
[INFO] running `Command { std: "docker" "start" "-a" "a4f06176e07a211048909d791add8de94169137b0be38ec9738c4433b25f460b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling lz4_flex v0.12.1
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling lexical-write-integer v1.0.6
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling lexical-write-float v1.0.6
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling lexical-core v1.0.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling env_filter v1.0.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling log-once v0.4.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling color-hex v0.2.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling self_cell v1.2.2
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling epaint_default_fonts v0.34.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling clean-path v0.2.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling convert_case v0.11.0
[INFO] [stderr]    Compiling re_error v0.31.3
[INFO] [stderr]    Compiling bit-vec v0.9.1
[INFO] [stderr]    Compiling fixed v1.30.0
[INFO] [stderr]    Compiling re_case v0.31.3
[INFO] [stderr]    Compiling dlib v0.5.3
[INFO] [stderr]    Compiling wayland-sys v0.31.10
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling datafusion-doc v52.5.0
[INFO] [stderr]    Compiling az v1.3.0
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=d974460d5dd5a8fb -C extra-filename=-12106c483165ab9b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4936c2e0d7b4653a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b1714d794f7e25a3.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-5202762c38f18e99.rmeta --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" "a4f06176e07a211048909d791add8de94169137b0be38ec9738c4433b25f460b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f06176e07a211048909d791add8de94169137b0be38ec9738c4433b25f460b", kill_on_drop: false }`
[INFO] [stdout] a4f06176e07a211048909d791add8de94169137b0be38ec9738c4433b25f460b
