[INFO] fetching crate sing-cat 0.1.9...
[INFO] testing sing-cat-0.1.9 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate sing-cat 0.1.9 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sing-cat 0.1.9
[INFO] finished tweaking crates.io crate sing-cat 0.1.9
[INFO] tweaked toml for crates.io crate sing-cat 0.1.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sing-cat 0.1.9 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sing-cat 0.1.9 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v2.1.3
[INFO] [stderr]   Downloaded libredox v0.1.4
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.2
[INFO] [stderr]   Downloaded directories v6.0.0
[INFO] [stderr]   Downloaded serde-value v0.7.0
[INFO] [stderr]   Downloaded option-ext v0.2.0
[INFO] [stderr]   Downloaded codepage v0.1.2
[INFO] [stderr]   Downloaded flate2 v1.1.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.9
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded anstyle-query v1.1.3
[INFO] [stderr]   Downloaded dirs-sys v0.5.0
[INFO] [stderr]   Downloaded encoding-utils v0.1.0
[INFO] [stderr]   Downloaded clap_derive v4.5.40
[INFO] [stderr]   Downloaded rustls-webpki v0.103.3
[INFO] [stderr]   Downloaded winnow v0.7.11
[INFO] [stderr]   Downloaded brotli-decompressor v4.0.3
[INFO] [stderr]   Downloaded deunicode v1.6.2
[INFO] [stderr]   Downloaded quick-xml v0.38.0
[INFO] [stderr]   Downloaded plist v1.7.4
[INFO] [stderr]   Downloaded serde-aux v4.7.0
[INFO] [stderr]   Downloaded clap_builder v4.5.40
[INFO] [stderr]   Downloaded toml v0.9.0
[INFO] [stderr]   Downloaded cookie v0.18.1
[INFO] [stderr]   Downloaded service-manager v0.8.0
[INFO] [stderr]   Downloaded litrs v0.4.1
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded toml_parser v1.0.0
[INFO] [stderr]   Downloaded toml_writer v1.0.0
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.4
[INFO] [stderr]   Downloaded document-features v0.2.11
[INFO] [stderr]   Downloaded rustls v0.23.28
[INFO] [stderr]   Downloaded anstream v0.6.19
[INFO] [stderr]   Downloaded clap v4.5.40
[INFO] [stderr]   Downloaded colored v3.0.0
[INFO] [stderr]   Downloaded redox_users v0.5.0
[INFO] [stderr]   Downloaded ordered-float v2.10.1
[INFO] [stderr]   Downloaded xml-rs v0.8.26
[INFO] [stderr]   Downloaded cookie_store v0.21.1
[INFO] [stderr]   Downloaded ureq-proto v0.4.2
[INFO] [stderr]   Downloaded webpki-roots v1.0.1
[INFO] [stderr]   Downloaded ureq v3.0.12
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a0c7302e6165f4206caa3c613eaeb19c75fbe2f8d04f1c56e1204218c9f33d4
[INFO] running `Command { std: "docker" "start" "-a" "2a0c7302e6165f4206caa3c613eaeb19c75fbe2f8d04f1c56e1204218c9f33d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0c7302e6165f4206caa3c613eaeb19c75fbe2f8d04f1c56e1204218c9f33d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0c7302e6165f4206caa3c613eaeb19c75fbe2f8d04f1c56e1204218c9f33d4", kill_on_drop: false }`
[INFO] [stdout] 2a0c7302e6165f4206caa3c613eaeb19c75fbe2f8d04f1c56e1204218c9f33d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68791206c2b80618a19b4eeb2e566e0c758d5979b339a4759c1916fa70cccfc
[INFO] running `Command { std: "docker" "start" "-a" "d68791206c2b80618a19b4eeb2e566e0c758d5979b339a4759c1916fa70cccfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quick-xml v0.38.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling encoding-utils v0.1.0
[INFO] [stderr]    Compiling ureq-proto v0.4.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling brotli-decompressor v4.0.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling xml-rs v0.8.26
[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/caccb4d0368bd918ef6668af8e13834d07040417/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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"' --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=eb29080493495b94 -C extra-filename=-03a10d391cb0970f --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" "d68791206c2b80618a19b4eeb2e566e0c758d5979b339a4759c1916fa70cccfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68791206c2b80618a19b4eeb2e566e0c758d5979b339a4759c1916fa70cccfc", kill_on_drop: false }`
[INFO] [stdout] d68791206c2b80618a19b4eeb2e566e0c758d5979b339a4759c1916fa70cccfc