[INFO] fetching crate mechtron-host 0.3.14...
[INFO] checking mechtron-host-0.3.14 against 4fcf39725a9c99bd495d8c73af83628a256ff9a9 for pr-162233-crater-rollup
[INFO] extracting crate mechtron-host 0.3.14 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mechtron-host 0.3.14 on toolchain 4fcf39725a9c99bd495d8c73af83628a256ff9a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "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" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "generate-lockfile" "--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]      Locking 264 packages to highest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding oneshot v0.1.13 (available: v0.2.1)
[INFO] [stderr]       Adding wasmer v2.3.0 (available: v7.4.0)
[INFO] [stderr]       Adding wasmer-compiler-singlepass v2.3.0 (available: v7.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loupe v0.1.3
[INFO] [stderr]   Downloaded wasmer-compiler v2.3.0
[INFO] [stderr]   Downloaded wasmer-types v2.3.0
[INFO] [stderr]   Downloaded loupe-derive v0.1.3
[INFO] [stderr]   Downloaded wasmer-artifact v2.3.0
[INFO] [stderr]   Downloaded wasmer-compiler-singlepass v2.3.0
[INFO] [stderr]   Downloaded wasmparser v0.83.0
[INFO] [stderr]   Downloaded wasmer-engine-universal-artifact v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.3.0
[INFO] [stderr]   Downloaded wasmer-vm v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine v2.3.0
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.3.0
[INFO] [stderr]   Downloaded wasmer v2.3.0
[INFO] [stderr]   Downloaded wasmer-object v2.3.0
[INFO] [stderr]   Downloaded wasmer-derive v2.3.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.82.3
[INFO] [stderr]   Downloaded validator v0.15.0
[INFO] [stderr]   Downloaded cranelift-entity v0.82.3
[INFO] [stderr]   Downloaded cranelift-bforest v0.82.3
[INFO] [stderr]   Downloaded cranelift-frontend v0.82.3
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.82.3
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded joinery v2.1.0
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded nom-supreme v0.6.0
[INFO] [stderr]   Downloaded brownstone v1.1.0
[INFO] [stderr]   Downloaded cosmic-macros-primitive v0.3.14
[INFO] [stderr]   Downloaded cosmic-space v0.3.14
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[INFO] [stderr]   Downloaded cosmic-nom v0.3.14
[INFO] [stderr]   Downloaded ariadne v0.1.5
[INFO] [stderr]   Downloaded regalloc v0.0.34
[INFO] [stderr]   Downloaded convert_case v0.5.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.82.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04
[INFO] running `Command { std: "docker" "start" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04" "/opt/rustwide/cargo-home/bin/cargo" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04" "/opt/rustwide/cargo-home/bin/cargo" "+4fcf39725a9c99bd495d8c73af83628a256ff9a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking smallvec v1.16.0
[INFO] [stderr]     Checking 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]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]     Checking rustc-demangle v0.1.28
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling rkyv_derive v0.7.46
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking wasmparser v0.83.0
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking enum-iterator v0.7.0
[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]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling crc32fast v1.5.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking cranelift-entity v0.82.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking regalloc v0.0.34
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]     Checking cranelift-bforest v0.82.3
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]     Checking brownstone v1.1.0
[INFO] [stderr]     Checking wasm-encoder v0.258.0
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking leb128 v0.2.7
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling dynasm v1.2.3
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking icu_normalizer v2.3.0
[INFO] [stderr]     Checking icu_properties v2.3.0
[INFO] [stderr]     Checking wast v258.0.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4fcf39725a9c99bd495d8c73af83628a256ff9a9/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.229/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="rc"' --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=a5b8bafd7d1c87bc -C extra-filename=-5801de29ec2d5b76 --out-dir /opt/rustwide/target/debug/build/serde_core/5801de29ec2d5b76/out --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `darling_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4fcf39725a9c99bd495d8c73af83628a256ff9a9/bin/rustc --crate-name darling_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/darling_core-0.21.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("diagnostics", "serde", "strsim", "suggestions"))' -C metadata=5bcafddbc94e3ed2 -C extra-filename=-a768dfd71d381243 --out-dir /opt/rustwide/target/debug/build/darling_core/a768dfd71d381243/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out -L dependency=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern fnv=/opt/rustwide/target/debug/build/fnv/bd60753855300b18/out/libfnv-bd60753855300b18.rmeta --extern ident_case=/opt/rustwide/target/debug/build/ident_case/ecc112105bc5215b/out/libident_case-ecc112105bc5215b.rmeta --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/ee684499ef27f3b8/out/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/97307b84563a2c10/out/libquote-97307b84563a2c10.rmeta --extern syn=/opt/rustwide/target/debug/build/syn/cf9a9978d9be874a/out/libsyn-cf9a9978d9be874a.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04", kill_on_drop: false }`
[INFO] [stdout] 6556adbc07f0ab38f5f9121ce4caa2094a07a91e236dc1a83739027659c4fe04
