[INFO] cloning repository https://github.com/jacobgnewman/sparrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobgnewman/sparrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobgnewman%2Fsparrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobgnewman%2Fsparrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92294e2301c2e8c09a6459747481e7c7c8db9742
[INFO] documenting jacobgnewman/sparrow against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobgnewman%2Fsparrow" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobgnewman/sparrow on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobgnewman/sparrow
[INFO] finished tweaking git repo https://github.com/jacobgnewman/sparrow
[INFO] tweaked toml for git repo https://github.com/jacobgnewman/sparrow written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 302 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding poise v0.5.7 (available: v0.6.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.15)
[INFO] [stderr]       Adding serenity v0.11.7 (available: v0.12.4)
[INFO] [stderr]       Adding songbird v0.3.2 (available: v0.5.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8514e66b798ee9de76d7c0587a63c0f4784d1cb31747212237dcbfac48fd3a8
[INFO] running `Command { std: "docker" "start" "-a" "c8514e66b798ee9de76d7c0587a63c0f4784d1cb31747212237dcbfac48fd3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8514e66b798ee9de76d7c0587a63c0f4784d1cb31747212237dcbfac48fd3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8514e66b798ee9de76d7c0587a63c0f4784d1cb31747212237dcbfac48fd3a8", kill_on_drop: false }`
[INFO] [stdout] c8514e66b798ee9de76d7c0587a63c0f4784d1cb31747212237dcbfac48fd3a8
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a9417ee654daaa32f8221eb670d9bfa4f098a20562d25410e31d0d4065cd6b8
[INFO] running `Command { std: "docker" "start" "-a" "4a9417ee654daaa32f8221eb670d9bfa4f098a20562d25410e31d0d4065cd6b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serenity v0.11.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]     Checking salsa20 v0.9.0
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling songbird v0.3.2
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking audiopus v0.3.0-rc.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.8.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling darling_core v0.14.4
[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-2025-04-13-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=7bb26adfa1d0ea01 -C extra-filename=-b0bd92d9c1bf2c35 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7ca4e369531c1dcd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-590ed0273452007a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-958b805d9ab3f4fe.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a9417ee654daaa32f8221eb670d9bfa4f098a20562d25410e31d0d4065cd6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9417ee654daaa32f8221eb670d9bfa4f098a20562d25410e31d0d4065cd6b8", kill_on_drop: false }`
[INFO] [stdout] 4a9417ee654daaa32f8221eb670d9bfa4f098a20562d25410e31d0d4065cd6b8