[INFO] cloning repository https://github.com/Vollbrecht/callback-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vollbrecht/callback-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVollbrecht%2Fcallback-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVollbrecht%2Fcallback-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4f005211753f10e5481e94978d0f32500f17d70
[INFO] testing Vollbrecht/callback-bug against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVollbrecht%2Fcallback-bug" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vollbrecht/callback-bug on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vollbrecht/callback-bug
[INFO] finished tweaking git repo https://github.com/Vollbrecht/callback-bug
[INFO] tweaked toml for git repo https://github.com/Vollbrecht/callback-bug written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Vollbrecht/callback-bug 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-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd7e55ad1730c93f186b12661da5f7c3ffe9055b97416d8fb4738b6a36e7f14
[INFO] running `Command { std: "docker" "start" "-a" "ecd7e55ad1730c93f186b12661da5f7c3ffe9055b97416d8fb4738b6a36e7f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd7e55ad1730c93f186b12661da5f7c3ffe9055b97416d8fb4738b6a36e7f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd7e55ad1730c93f186b12661da5f7c3ffe9055b97416d8fb4738b6a36e7f14", kill_on_drop: false }`
[INFO] [stdout] ecd7e55ad1730c93f186b12661da5f7c3ffe9055b97416d8fb4738b6a36e7f14
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21dff80d80ebe0251c12da49a8c0c7799c03d2956d324baec6468691ddd428d
[INFO] running `Command { std: "docker" "start" "-a" "b21dff80d80ebe0251c12da49a8c0c7799c03d2956d324baec6468691ddd428d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling either v1.6.1
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[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling memoffset v0.6.5
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[INFO] [stderr]    Compiling num_cpus v1.13.1
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[INFO] [stderr]    Compiling unicode-bidi v0.3.7
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[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
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[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling memmap2 v0.5.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling rustybuzz v0.4.0
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[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling base64 v0.13.0
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[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling svgfilters v0.4.0
[INFO] [stderr]    Compiling tiny-skia v0.6.1
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.8
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[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling x11-dl v2.19.1
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[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
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[INFO] [stderr]    Compiling smol_str v0.1.21
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[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling css-color-parser2 v1.0.1
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling cpp_build v0.5.6
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling usvg v0.19.0
[INFO] [stderr]    Compiling lyon_algorithms v0.17.7
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling mio-misc v1.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling triomphe v0.1.5
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-weak v1.1.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling imgref v1.9.1
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling glow v0.11.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling sixtyfps-macros v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling vtable-macro v0.1.4
[INFO] [stderr]    Compiling auto_enums_core v0.7.12
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling qttypes v0.2.6
[INFO] [stderr]    Compiling const-field-offset v0.1.2
[INFO] [stderr]    Compiling resvg v0.19.0
[INFO] [stderr]    Compiling sixtyfps-rendering-backend-qt v0.1.5
[INFO] [stderr] error: could not compile `rustybuzz` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-02-18-x86_64-unknown-linux-gnu/bin/rustc --crate-name rustybuzz --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustybuzz-0.4.0/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1deda2c7e9397e43 -C extra-filename=-e00a3d0d20ed93db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-dde12b0d7d495b50.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-13a75d82829c2e2e.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-9eb30fd84caad208.rmeta --extern ttf_parser=/opt/rustwide/target/debug/deps/libttf_parser-9795762e530d0d55.rmeta --extern unicode_bidi_mirroring=/opt/rustwide/target/debug/deps/libunicode_bidi_mirroring-fe05f67b86e52629.rmeta --extern unicode_ccc=/opt/rustwide/target/debug/deps/libunicode_ccc-0c078431dfcf67a5.rmeta --extern unicode_general_category=/opt/rustwide/target/debug/deps/libunicode_general_category-87a29e6a05014a32.rmeta --extern unicode_script=/opt/rustwide/target/debug/deps/libunicode_script-b156505444f01747.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" "b21dff80d80ebe0251c12da49a8c0c7799c03d2956d324baec6468691ddd428d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21dff80d80ebe0251c12da49a8c0c7799c03d2956d324baec6468691ddd428d", kill_on_drop: false }`
[INFO] [stdout] b21dff80d80ebe0251c12da49a8c0c7799c03d2956d324baec6468691ddd428d