[INFO] fetching crate newtabgen 0.6.1...
[INFO] testing newtabgen-0.6.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate newtabgen 0.6.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate newtabgen 0.6.1
[INFO] finished tweaking crates.io crate newtabgen 0.6.1
[INFO] tweaked toml for crates.io crate newtabgen 0.6.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate newtabgen 0.6.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 418 packages to latest compatible versions
[INFO] [stderr]       Adding dirs v4.0.0 (available: v6.0.0)
[INFO] [stderr]       Adding git2 v0.15.0 (available: v0.20.2)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.8)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding minify-html v0.10.8 (available: v0.18.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] [stderr]       Adding resource v0.5.0 (available: v0.6.1)
[INFO] [stderr]       Adding rsass v0.26.0 (available: v0.29.2)
[INFO] [stderr]       Adding site_icons v0.3.10 (available: v0.6.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf v0.11.3
[INFO] [stderr]   Downloaded tera v1.20.1
[INFO] [stderr]   Downloaded globset v0.4.18
[INFO] [stderr]   Downloaded ignore v0.4.25
[INFO] [stderr]   Downloaded humansize v2.1.3
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded bit_field v0.10.3
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded minify-js v0.4.3
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[INFO] [stderr]   Downloaded reqwest-wasm v0.11.16
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.1
[INFO] [stderr]   Downloaded ron v0.3.0
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[INFO] [stderr]   Downloaded phf_generator v0.11.3
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[INFO] [stderr]   Downloaded mime-parse-4 v0.0.0
[INFO] [stderr]   Downloaded publicsuffix v2.3.0
[INFO] [stderr]   Downloaded markup5ever v0.11.0
[INFO] [stderr]   Downloaded chrono-tz v0.9.0
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[INFO] [stderr]   Downloaded ego-tree v0.6.3
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.4
[INFO] [stderr]   Downloaded scraper v0.13.0
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded gif v0.13.3
[INFO] [stderr]   Downloaded css-minify v0.3.1
[INFO] [stderr]   Downloaded parse-js v0.10.3
[INFO] [stderr]   Downloaded quoted-string v0.2.2
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[INFO] [stderr]   Downloaded darling v0.13.4
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[INFO] [stderr]   Downloaded serde-xml-any v0.0.3
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[INFO] [stderr]   Downloaded env_logger v0.9.3
[INFO] [stderr]   Downloaded mime_4 v0.4.0-a.0
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[INFO] [stderr]   Downloaded psl-types v2.0.11
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[INFO] [stderr]   Downloaded string_cache v0.8.9
[INFO] [stderr]   Downloaded chrono-tz-build v0.3.0
[INFO] [stderr]   Downloaded deunicode v1.6.2
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded bstr v1.12.1
[INFO] [stderr]   Downloaded slug v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2cce43906d220fcdefd6cc86914836b019b6f59c68f1c1983bd71a410a7cb7
[INFO] running `Command { std: "docker" "start" "-a" "8b2cce43906d220fcdefd6cc86914836b019b6f59c68f1c1983bd71a410a7cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2cce43906d220fcdefd6cc86914836b019b6f59c68f1c1983bd71a410a7cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2cce43906d220fcdefd6cc86914836b019b6f59c68f1c1983bd71a410a7cb7", kill_on_drop: false }`
[INFO] [stdout] 8b2cce43906d220fcdefd6cc86914836b019b6f59c68f1c1983bd71a410a7cb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a88552bb4f43792ec18918097056210181852c00fc15d6e3a4afc0d597feeaed
[INFO] running `Command { std: "docker" "start" "-a" "a88552bb4f43792ec18918097056210181852c00fc15d6e3a4afc0d597feeaed", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling cookie v0.17.0
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling pest v2.8.3
[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/1.91.0-x86_64-unknown-linux-gnu/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=195170a081c5cc25 -C extra-filename=-f211d94839d04c4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c33479d57b60a100.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a2929e59ea68c4bb.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2438e28b11baae4.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a88552bb4f43792ec18918097056210181852c00fc15d6e3a4afc0d597feeaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88552bb4f43792ec18918097056210181852c00fc15d6e3a4afc0d597feeaed", kill_on_drop: false }`
[INFO] [stdout] a88552bb4f43792ec18918097056210181852c00fc15d6e3a4afc0d597feeaed