[INFO] fetching crate cobalt-bin 0.20.0...
[INFO] testing cobalt-bin-0.20.0 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate cobalt-bin 0.20.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cobalt-bin 0.20.0
[INFO] finished tweaking crates.io crate cobalt-bin 0.20.0
[INFO] tweaked toml for crates.io crate cobalt-bin 0.20.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cobalt-bin 0.20.0 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cobalt-bin 0.20.0 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono_utils v0.1.3
[INFO] [stderr]   Downloaded proc-exit v2.0.2
[INFO] [stderr]   Downloaded sitemap v0.4.1
[INFO] [stderr]   Downloaded scrawl v2.0.0
[INFO] [stderr]   Downloaded trycmd v0.15.9
[INFO] [stderr]   Downloaded file-serve v0.3.8
[INFO] [stderr]   Downloaded html-minifier v5.0.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v3.0.2
[INFO] [stderr]   Downloaded status v0.0.10
[INFO] [stderr]   Downloaded colorchoice-clap v1.0.6
[INFO] [stderr]   Downloaded engarde v0.1.14
[INFO] [stderr]   Downloaded automod v1.0.14
[INFO] [stderr]   Downloaded cobalt-config v0.19.7
[INFO] [stderr]   Downloaded grass_compiler v0.13.4
[INFO] [stderr]   Downloaded cobalt-core v0.19.7
[INFO] [stderr]   Downloaded grass v0.13.4
[INFO] [stderr]   Downloaded atom_syndication v0.12.6
[INFO] [stderr]   Downloaded jsonfeed v0.2.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec4ad4ce2fabefe704223772674cd6383b1a5bad926828cfd822183b6147da13
[INFO] running `Command { std: "docker" "start" "-a" "ec4ad4ce2fabefe704223772674cd6383b1a5bad926828cfd822183b6147da13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec4ad4ce2fabefe704223772674cd6383b1a5bad926828cfd822183b6147da13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4ad4ce2fabefe704223772674cd6383b1a5bad926828cfd822183b6147da13", kill_on_drop: false }`
[INFO] [stdout] ec4ad4ce2fabefe704223772674cd6383b1a5bad926828cfd822183b6147da13
[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=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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 175b5ca06a927a0be62238eae740f0cc7a30cfb9cb9b23e6ce6778bee16d6cc2
[INFO] running `Command { std: "docker" "start" "-a" "175b5ca06a927a0be62238eae740f0cc7a30cfb9cb9b23e6ce6778bee16d6cc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling deranged v0.4.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling terminal_size v0.4.1
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling clap_builder v4.5.35
[INFO] [stderr]    Compiling anymap2 v0.13.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling deunicode v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling status v0.0.10
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rand v0.8.5
[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/160e7623e8cbbf1feab2b6e2a24733a98c7bde9c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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=338c50b38d7bb96d -C extra-filename=-4a4ea7d08be0388f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c1602ad0331f815a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7f88217c94841094.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6759994d78e94663.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" "175b5ca06a927a0be62238eae740f0cc7a30cfb9cb9b23e6ce6778bee16d6cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175b5ca06a927a0be62238eae740f0cc7a30cfb9cb9b23e6ce6778bee16d6cc2", kill_on_drop: false }`
[INFO] [stdout] 175b5ca06a927a0be62238eae740f0cc7a30cfb9cb9b23e6ce6778bee16d6cc2