[INFO] fetching crate espflash 4.1.0...
[INFO] testing espflash-4.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate espflash 4.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate espflash 4.1.0
[INFO] finished tweaking crates.io crate espflash 4.1.0
[INFO] tweaked toml for crates.io crate espflash 4.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate 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 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] a3a529bd1091f37c1d8efed1e2c0f96f597ac92cb2d645c199f86feabd5827e6
[INFO] running `Command { std: "docker" "start" "-a" "a3a529bd1091f37c1d8efed1e2c0f96f597ac92cb2d645c199f86feabd5827e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3a529bd1091f37c1d8efed1e2c0f96f597ac92cb2d645c199f86feabd5827e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a529bd1091f37c1d8efed1e2c0f96f597ac92cb2d645c199f86feabd5827e6", kill_on_drop: false }`
[INFO] [stdout] a3a529bd1091f37c1d8efed1e2c0f96f597ac92cb2d645c199f86feabd5827e6
[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] c3df202aafde7f9d6e56f29541980fe296bd911da43ffa9c28973f0595ee546d
[INFO] running `Command { std: "docker" "start" "-a" "c3df202aafde7f9d6e56f29541980fe296bd911da43ffa9c28973f0595ee546d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml_datetime v0.7.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling peg-runtime v0.8.5
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling peg-macros v0.8.5
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling indexmap v2.11.3
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling ruzstd v0.8.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling no_std_io2 v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling console v0.16.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling toml_edit v0.23.5
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling peg v0.8.5
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling hexfloat2 v0.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling etcetera v0.10.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling serde_spanned v1.0.1
[INFO] [stderr]    Compiling time v0.3.43
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling parse_int v0.9.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling object v0.35.0
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling gimli v0.29.0
[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/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=74c5238e082f1357 -C extra-filename=-3336ffd21cccdfcf --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] [stderr] error: could not compile `object` (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 object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.36.7/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 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compiler_builtins", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=2236588c962f70b8 -C extra-filename=-2625b4fe30efe1bb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-f639ee087ae982c6.rmeta --cap-lints allow --cap-lints=warn --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c3df202aafde7f9d6e56f29541980fe296bd911da43ffa9c28973f0595ee546d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3df202aafde7f9d6e56f29541980fe296bd911da43ffa9c28973f0595ee546d", kill_on_drop: false }`
[INFO] [stdout] c3df202aafde7f9d6e56f29541980fe296bd911da43ffa9c28973f0595ee546d