[INFO] fetching crate fedimint-empty-client 0.8.1...
[INFO] checking fedimint-empty-client-0.8.1 against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] extracting crate fedimint-empty-client 0.8.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fedimint-empty-client 0.8.1
[INFO] finished tweaking crates.io crate fedimint-empty-client 0.8.1
[INFO] tweaked toml for crates.io crate fedimint-empty-client 0.8.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fedimint-empty-client 0.8.1 on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fedimint-empty-client 0.8.1 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11acc51e406299c3879336c6dba8b67932ca66cd52743e58e32dc6d2d19b19fd
[INFO] running `Command { std: "docker" "start" "-a" "11acc51e406299c3879336c6dba8b67932ca66cd52743e58e32dc6d2d19b19fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11acc51e406299c3879336c6dba8b67932ca66cd52743e58e32dc6d2d19b19fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11acc51e406299c3879336c6dba8b67932ca66cd52743e58e32dc6d2d19b19fd", kill_on_drop: false }`
[INFO] [stdout] 11acc51e406299c3879336c6dba8b67932ca66cd52743e58e32dc6d2d19b19fd
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6791bd5ca3dca54521fe5c594e8d81ae4b024ac539c9c43b17a57cfc0e66d9c
[INFO] running `Command { std: "docker" "start" "-a" "e6791bd5ca3dca54521fe5c594e8d81ae4b024ac539c9c43b17a57cfc0e66d9c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling der_derive v0.7.3
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking diatomic-waker v0.2.3
[INFO] [stderr]     Checking cordyceps v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking futures-buffered v0.2.11
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling n0-future v0.1.3
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking rustls v0.23.28
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking bitcoin_hashes v0.14.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[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/804fff1ae95da9d03bd44eee27f258020a575dab/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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=308c4d9e18525aa6 -C extra-filename=-ac0aa19500c3279b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e6791bd5ca3dca54521fe5c594e8d81ae4b024ac539c9c43b17a57cfc0e66d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6791bd5ca3dca54521fe5c594e8d81ae4b024ac539c9c43b17a57cfc0e66d9c", kill_on_drop: false }`
[INFO] [stdout] e6791bd5ca3dca54521fe5c594e8d81ae4b024ac539c9c43b17a57cfc0e66d9c