[INFO] fetching crate ffrelay 0.0.4...
[INFO] testing ffrelay-0.0.4 against 1.95.0 for beta-1.96-1
[INFO] extracting crate ffrelay 0.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ffrelay 0.0.4
[INFO] finished tweaking crates.io crate ffrelay 0.0.4
[INFO] tweaked toml for crates.io crate ffrelay 0.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffrelay 0.0.4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ffrelay 0.0.4 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testing_table v0.3.0
[INFO] [stderr]   Downloaded tabled_derive v0.11.0
[INFO] [stderr]   Downloaded ffrelay-api v0.0.4
[INFO] [stderr]   Downloaded papergrid v0.17.0
[INFO] [stderr]   Downloaded bon v3.8.1
[INFO] [stderr]   Downloaded tabled v0.20.0
[INFO] [stderr]   Downloaded bon-macros v3.8.1
[INFO] [stderr]   Downloaded webpki-root-certs v1.0.5
[INFO] [stderr]   Downloaded reqwest v0.13.1
[INFO] [stderr]   Downloaded aws-lc-rs v1.15.2
[INFO] [stderr]   Downloaded libc v0.2.179
[INFO] [stderr]   Downloaded aws-lc-sys v0.35.0
[INFO] [stderr]   Downloaded rstaples v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e74e4eef5259d55db2d1c65125dc32d8a2bd33c3f6980c62a00be12af8e05ba
[INFO] running `Command { std: "docker" "start" "-a" "0e74e4eef5259d55db2d1c65125dc32d8a2bd33c3f6980c62a00be12af8e05ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e74e4eef5259d55db2d1c65125dc32d8a2bd33c3f6980c62a00be12af8e05ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e74e4eef5259d55db2d1c65125dc32d8a2bd33c3f6980c62a00be12af8e05ba", kill_on_drop: false }`
[INFO] [stdout] 0e74e4eef5259d55db2d1c65125dc32d8a2bd33c3f6980c62a00be12af8e05ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0080bfcb9ae26f80eb10293a9d8e18b44cfa041f11348a033a1b0cbe0738360
[INFO] running `Command { std: "docker" "start" "-a" "a0080bfcb9ae26f80eb10293a9d8e18b44cfa041f11348a033a1b0cbe0738360", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling aws-lc-rs v1.15.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustls-pki-types v1.13.2
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling openssl-probe v0.2.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling iri-string v0.7.10
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling papergrid v0.17.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling testing_table v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling jiff v0.2.18
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling cmake v0.1.57
[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/1.95.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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"' --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=1c5d51c1c32abb70 -C extra-filename=-d8b51d04fc4bc8c5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cfea90f88a2084b7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ee08b4843ce6fdda.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-696e2bfd925941b0.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" "a0080bfcb9ae26f80eb10293a9d8e18b44cfa041f11348a033a1b0cbe0738360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0080bfcb9ae26f80eb10293a9d8e18b44cfa041f11348a033a1b0cbe0738360", kill_on_drop: false }`
[INFO] [stdout] a0080bfcb9ae26f80eb10293a9d8e18b44cfa041f11348a033a1b0cbe0738360