[INFO] fetching crate mechtron-host 0.3.14...
[INFO] testing mechtron-host-0.3.14 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mechtron-host 0.3.14 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mechtron-host 0.3.14
[INFO] finished tweaking crates.io crate mechtron-host 0.3.14
[INFO] tweaked toml for crates.io crate mechtron-host 0.3.14 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mechtron-host 0.3.14 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]     Updating crates.io index
[INFO] [stderr]      Locking 270 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding wasmer v2.3.0 (available: v6.1.0)
[INFO] [stderr]       Adding wasmer-compiler-singlepass v2.3.0 (available: v6.1.0)
[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 wasmer-types v2.3.0
[INFO] [stderr]   Downloaded enum-iterator-derive v0.7.0
[INFO] [stderr]   Downloaded loupe v0.1.3
[INFO] [stderr]   Downloaded wasmer-compiler v2.3.0
[INFO] [stderr]   Downloaded dynasmrt v1.2.3
[INFO] [stderr]   Downloaded wasmer-artifact v2.3.0
[INFO] [stderr]   Downloaded wasmer-vm v2.3.0
[INFO] [stderr]   Downloaded corosensei v0.1.4
[INFO] [stderr]   Downloaded cranelift-frontend v0.82.3
[INFO] [stderr]   Downloaded ariadne v0.1.5
[INFO] [stderr]   Downloaded wasmer v2.3.0
[INFO] [stderr]   Downloaded dynasm v1.2.3
[INFO] [stderr]   Downloaded wasmparser v0.83.0
[INFO] [stderr]   Downloaded convert_case v0.5.0
[INFO] [stderr]   Downloaded cosmic-macros-primitive v0.3.14
[INFO] [stderr]   Downloaded cosmic-nom v0.3.14
[INFO] [stderr]   Downloaded brownstone v1.1.0
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded joinery v2.1.0
[INFO] [stderr]   Downloaded nom-supreme v0.6.0
[INFO] [stderr]   Downloaded validator v0.15.0
[INFO] [stderr]   Downloaded oneshot v0.1.11
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.33.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.33.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.82.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.82.3
[INFO] [stderr]   Downloaded cranelift-entity v0.82.3
[INFO] [stderr]   Downloaded wasmer-engine-universal-artifact v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.3.0
[INFO] [stderr]   Downloaded enumset_derive v0.14.0
[INFO] [stderr]   Downloaded enumset v1.1.10
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]   Downloaded wasmer-derive v2.3.0
[INFO] [stderr]   Downloaded wasmer-object v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine v2.3.0
[INFO] [stderr]   Downloaded wasmer-compiler-singlepass v2.3.0
[INFO] [stderr]   Downloaded more-asserts v0.2.2
[INFO] [stderr]   Downloaded enum-iterator v0.7.0
[INFO] [stderr]   Downloaded loupe-derive v0.1.3
[INFO] [stderr]   Downloaded cranelift-codegen v0.82.3
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.33.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.33.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.82.3
[INFO] [stderr]   Downloaded regalloc v0.0.34
[INFO] [stderr]   Downloaded windows_i686_msvc v0.33.0
[INFO] [stderr]   Downloaded windows-sys v0.33.0
[INFO] [stderr]   Downloaded cosmic-space v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd9736c2169ae26e6921851a20c6ed15f28f7df15804dcff14656983cbe24807
[INFO] running `Command { std: "docker" "start" "-a" "cd9736c2169ae26e6921851a20c6ed15f28f7df15804dcff14656983cbe24807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9736c2169ae26e6921851a20c6ed15f28f7df15804dcff14656983cbe24807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9736c2169ae26e6921851a20c6ed15f28f7df15804dcff14656983cbe24807", kill_on_drop: false }`
[INFO] [stdout] cd9736c2169ae26e6921851a20c6ed15f28f7df15804dcff14656983cbe24807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bdc72c1e8f6d247058908704bd0968cc259ea6e086e7843d545b974980aec516
[INFO] running `Command { std: "docker" "start" "-a" "bdc72c1e8f6d247058908704bd0968cc259ea6e086e7843d545b974980aec516", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling rkyv v0.7.45
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling wasmparser v0.83.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.82.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.82.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling cranelift-entity v0.82.3
[INFO] [stderr]    Compiling wasm-encoder v0.240.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling cranelift-bforest v0.82.3
[INFO] [stderr]    Compiling regalloc v0.0.34
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling leb128fmt v0.1.0
[INFO] [stderr]    Compiling brownstone v1.1.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rayon v1.11.0
[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=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.108/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=4058ed007ffbfd57 -C extra-filename=-1ac79b3cd698dfab --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` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aho-corasick` (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 aho_corasick --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/aho-corasick-1.1.4/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 -C debuginfo=2 --cfg 'feature="perf-literal"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "logging", "perf-literal", "std"))' -C metadata=cf415641ba7e6f21 -C extra-filename=-4d7536873cb1ab2e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-53868c89b1ad5a18.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex-syntax` (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 regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.8/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 -C debuginfo=2 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=d25a174277681599 -C extra-filename=-2fa091f58f28b60e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bdc72c1e8f6d247058908704bd0968cc259ea6e086e7843d545b974980aec516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc72c1e8f6d247058908704bd0968cc259ea6e086e7843d545b974980aec516", kill_on_drop: false }`
[INFO] [stdout] bdc72c1e8f6d247058908704bd0968cc259ea6e086e7843d545b974980aec516
