[INFO] fetching crate samd5-boot-tools 0.2.0...
[INFO] documenting samd5-boot-tools-0.2.0 against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] extracting crate samd5-boot-tools 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate samd5-boot-tools 0.2.0
[INFO] finished tweaking crates.io crate samd5-boot-tools 0.2.0
[INFO] tweaked toml for crates.io crate samd5-boot-tools 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate samd5-boot-tools 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samd5-boot-tools 0.2.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck_derive v1.12.1
[INFO] [stderr]   Downloaded jiff-static v0.2.37
[INFO] [stderr]   Downloaded bs58 v0.5.1
[INFO] [stderr]   Downloaded ihex v3.0.0
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded unescaper v0.1.10
[INFO] [stderr]   Downloaded probe-rs-target v0.30.0
[INFO] [stderr]   Downloaded io-kit-sys v0.4.1
[INFO] [stderr]   Downloaded rmp-serde v1.3.1
[INFO] [stderr]   Downloaded miette-derive v7.6.0
[INFO] [stderr]   Downloaded udev v0.9.3
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.8
[INFO] [stderr]   Downloaded jep106 v0.3.0
[INFO] [stderr]   Downloaded parse_int v0.9.0
[INFO] [stderr]   Downloaded serde_plain v1.0.2
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded bitfield-macros v0.19.5
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded mach2 v0.4.3
[INFO] [stderr]   Downloaded esp-idf-part v0.6.0
[INFO] [stderr]   Downloaded deku_derive v0.18.1
[INFO] [stderr]   Downloaded docsplay v0.1.3
[INFO] [stderr]   Downloaded docsplay-macros v0.1.2
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded zerocopy v0.8.58
[INFO] [stderr]   Downloaded scroll v0.13.0
[INFO] [stderr]   Downloaded twox-hash v2.1.4
[INFO] [stderr]   Downloaded cobs v0.5.1
[INFO] [stderr]   Downloaded bitfield v0.19.5
[INFO] [stderr]   Downloaded no_std_io2 v0.8.1
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.58
[INFO] [stderr]   Downloaded uf2-decode v0.2.0
[INFO] [stderr]   Downloaded serialport v4.10.1
[INFO] [stderr]   Downloaded ruzstd v0.8.3
[INFO] [stderr]   Downloaded hidapi v2.6.7
[INFO] [stderr]   Downloaded deku v0.18.1
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded nusb v0.1.14
[INFO] [stderr]   Downloaded miette v7.6.0
[INFO] [stderr]   Downloaded jiff-core v0.1.1
[INFO] [stderr]   Downloaded heapless v0.9.3
[INFO] [stderr]   Downloaded serde_with v3.23.0
[INFO] [stderr]   Downloaded object v0.39.1
[INFO] [stderr]   Downloaded jiff v0.2.37
[INFO] [stderr]   Downloaded probe-rs v0.30.0
[INFO] [stderr]   Downloaded espflash v4.5.0
[INFO] [stderr]   Downloaded samd5-boot v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc
[INFO] running `Command { std: "docker" "start" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking simd-adler32 v0.3.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]     Checking miniz_oxide v0.9.1
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]     Checking no_std_io2 v0.8.1
[INFO] [stderr]     Checking bitvec v1.1.1
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking digest v0.11.3
[INFO] [stderr]    Compiling hidapi v2.6.7
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking twox-hash v2.1.4
[INFO] [stderr]    Compiling object v0.39.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling heapless v0.9.3
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking flate2 v1.1.10
[INFO] [stderr]     Checking ruzstd v0.8.3
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking parse_int v0.9.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling zerocopy v0.8.58
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking sha2 v0.11.0
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking serde_with v3.23.0
[INFO] [stderr]     Checking udev v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking md-5 v0.11.0
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]     Checking clap_lex v1.1.1
[INFO] [stderr]    Compiling samd5-boot v1.1.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking clap_builder v4.6.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking dunce v1.0.5
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking uf2-decode v0.2.0
[INFO] [stderr]     Checking scroll v0.13.0
[INFO] [stderr]    Compiling toml_edit v0.25.15+spec-1.1.0
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=005c506ec66c417c -C extra-filename=-c4a348a72df653cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9777a2717d7b7d19.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-12eb74adb1fe7137.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7d090ccf0d71aea6.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" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc", kill_on_drop: false }`
[INFO] [stdout] bb2d4a714810ad65de06dc6eb29fc9d914395593d1ec069334613d432e0be9fc
