[INFO] fetching crate duende-observe 0.2.0...
[INFO] checking duende-observe-0.2.0 against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] extracting crate duende-observe 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate duende-observe 0.2.0
[INFO] finished tweaking crates.io crate duende-observe 0.2.0
[INFO] tweaked toml for crates.io crate duende-observe 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate duende-observe 0.2.0 on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate duende-observe 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebb0b5ab7af2b44ff0e98aecfd165c4bdf2aeccea100ffe78a0a6aa8c126bee3
[INFO] running `Command { std: "docker" "start" "-a" "ebb0b5ab7af2b44ff0e98aecfd165c4bdf2aeccea100ffe78a0a6aa8c126bee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb0b5ab7af2b44ff0e98aecfd165c4bdf2aeccea100ffe78a0a6aa8c126bee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb0b5ab7af2b44ff0e98aecfd165c4bdf2aeccea100ffe78a0a6aa8c126bee3", kill_on_drop: false }`
[INFO] [stdout] ebb0b5ab7af2b44ff0e98aecfd165c4bdf2aeccea100ffe78a0a6aa8c126bee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7cc1f822501ffbbbbd093409f8ad5722ceb6e1b8346bec8c969eac90b03e24f
[INFO] running `Command { std: "docker" "start" "-a" "e7cc1f822501ffbbbbd093409f8ad5722ceb6e1b8346bec8c969eac90b03e24f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]     Checking arrow-schema v54.3.1
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking lexical-util v1.0.7
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking twox-hash v2.1.2
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking brotli-decompressor v4.0.3
[INFO] [stderr]     Checking ruzstd v0.8.2
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]    Compiling cpp_demangle v0.4.5
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking lexical-parse-integer v1.0.6
[INFO] [stderr]     Checking lexical-write-integer v1.0.6
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking lexical-parse-float v1.0.6
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking thrift v0.17.0
[INFO] [stderr]     Checking lz4_flex v0.11.5
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking lexical-write-float v1.0.6
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking lexical-core v1.0.6
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking brotli v7.0.0
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking sqlparser v0.52.0
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling object v0.38.1
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling blake3 v1.8.2
[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/9228062c11d321a3ea08123f57e47533a3c88b00/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.113/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=232033a4d72fb9de -C extra-filename=-b8995bbbdb40adbb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fce1a70fd2c3744d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e054a971070e2c6a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "e7cc1f822501ffbbbbd093409f8ad5722ceb6e1b8346bec8c969eac90b03e24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cc1f822501ffbbbbd093409f8ad5722ceb6e1b8346bec8c969eac90b03e24f", kill_on_drop: false }`
[INFO] [stdout] e7cc1f822501ffbbbbd093409f8ad5722ceb6e1b8346bec8c969eac90b03e24f