[INFO] fetching crate furdb 0.1.2-alpha...
[INFO] checking furdb-0.1.2-alpha against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] extracting crate furdb 0.1.2-alpha into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate furdb 0.1.2-alpha
[INFO] finished tweaking crates.io crate furdb 0.1.2-alpha
[INFO] tweaked toml for crates.io crate furdb 0.1.2-alpha written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate furdb 0.1.2-alpha on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate furdb 0.1.2-alpha 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ff6493fd00461ec8fd1fe789a5bf93ced0f47d1e01dc2986b03a7ca62dc6bf
[INFO] running `Command { std: "docker" "start" "-a" "69ff6493fd00461ec8fd1fe789a5bf93ced0f47d1e01dc2986b03a7ca62dc6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ff6493fd00461ec8fd1fe789a5bf93ced0f47d1e01dc2986b03a7ca62dc6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ff6493fd00461ec8fd1fe789a5bf93ced0f47d1e01dc2986b03a7ca62dc6bf", kill_on_drop: false }`
[INFO] [stdout] 69ff6493fd00461ec8fd1fe789a5bf93ced0f47d1e01dc2986b03a7ca62dc6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 823d0e5fa1f2f8a3b037486a178423e11431769c3f87fda3fda5e5c49a0798dd
[INFO] running `Command { std: "docker" "start" "-a" "823d0e5fa1f2f8a3b037486a178423e11431769c3f87fda3fda5e5c49a0798dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling jobserver v0.1.30
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.92
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling openssl-src v300.2.3+3.2.1
[INFO] [stderr]     Checking brotli v3.5.0
[INFO] [stderr]     Checking local-channel v0.1.5
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[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/54cf65b8d066c082e536455049b95943cf30378f/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="extra-traits"' --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=153c66ee1d943f8e -C extra-filename=-f565be5ab29cb0a8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-88a0d38fa4576876.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-80ed07b6dd00457a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "823d0e5fa1f2f8a3b037486a178423e11431769c3f87fda3fda5e5c49a0798dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823d0e5fa1f2f8a3b037486a178423e11431769c3f87fda3fda5e5c49a0798dd", kill_on_drop: false }`
[INFO] [stdout] 823d0e5fa1f2f8a3b037486a178423e11431769c3f87fda3fda5e5c49a0798dd