[INFO] fetching crate cargo-espflash 4.1.0...
[INFO] testing cargo-espflash-4.1.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate cargo-espflash 4.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cargo-espflash 4.1.0
[INFO] finished tweaking crates.io crate cargo-espflash 4.1.0
[INFO] tweaked toml for crates.io crate cargo-espflash 4.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-espflash 4.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-espflash 4.1.0 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" "+beta-2025-09-21" "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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f63790cef7aa2cbcbcc3508b2cb77fc66ed610d8a3ebabe6fb25ee79534581c
[INFO] running `Command { std: "docker" "start" "-a" "0f63790cef7aa2cbcbcc3508b2cb77fc66ed610d8a3ebabe6fb25ee79534581c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f63790cef7aa2cbcbcc3508b2cb77fc66ed610d8a3ebabe6fb25ee79534581c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f63790cef7aa2cbcbcc3508b2cb77fc66ed610d8a3ebabe6fb25ee79534581c", kill_on_drop: false }`
[INFO] [stdout] 0f63790cef7aa2cbcbcc3508b2cb77fc66ed610d8a3ebabe6fb25ee79534581c
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206dc7602b6a26b792fe4ad6758ca8366dbf2384911fc655e033b9a07089ffc6
[INFO] running `Command { std: "docker" "start" "-a" "206dc7602b6a26b792fe4ad6758ca8366dbf2384911fc655e033b9a07089ffc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling toml_datetime v0.7.1
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling indexmap v2.11.3
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling toml_edit v0.23.5
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling peg v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling console v0.16.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling ruzstd v0.8.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling no_std_io2 v0.8.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling hexfloat2 v0.1.3
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.6
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling time v0.3.43
[INFO] [stderr]    Compiling etcetera v0.10.0
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling serde-untagged v0.1.9
[INFO] [stderr]    Compiling synstructure v0.13.2
[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-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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"' --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=55abe194c137e5f0 -C extra-filename=-a584779580756869 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3961f8809e272ccb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8b6071bff2f2593c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.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" "206dc7602b6a26b792fe4ad6758ca8366dbf2384911fc655e033b9a07089ffc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206dc7602b6a26b792fe4ad6758ca8366dbf2384911fc655e033b9a07089ffc6", kill_on_drop: false }`
[INFO] [stdout] 206dc7602b6a26b792fe4ad6758ca8366dbf2384911fc655e033b9a07089ffc6