[INFO] fetching crate mechtron-host 0.3.14...
[INFO] checking mechtron-host-0.3.14 against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] extracting crate mechtron-host 0.3.14 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mechtron-host 0.3.14 on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "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" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 263 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: v7.4.2)
[INFO] [stderr]       Adding wasmer-compiler-singlepass v2.3.0 (available: v7.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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] 43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc
[INFO] running `Command { std: "docker" "start" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc", 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" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc", 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" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking wasmparser v0.83.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling rkyv_derive v0.7.46
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.82.3
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.82.3
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking cranelift-entity v0.82.3
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]     Checking regalloc v0.0.34
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]     Checking cranelift-bforest v0.82.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking getrandom v0.4.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling zerofrom-derive v0.1.8
[INFO] [stderr]    Compiling yoke-derive v0.8.3
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking brownstone v1.1.0
[INFO] [stderr]     Checking wasm-encoder v0.259.0
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling dynasm v1.2.3
[INFO] [stderr]     Checking serde_json v1.0.151
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking wast v259.0.0
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]     Checking nom-supreme v0.6.0
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]    Compiling cranelift-codegen v0.82.3
[INFO] [stderr]     Checking tokio v1.53.1
[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/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=fd4b59c09da1c87e -C extra-filename=-55bcc933a06d23dd --out-dir /opt/rustwide/target/debug/build/syn/55bcc933a06d23dd/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/c062a139c850ccf4/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/06275983cc9514f8/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/c062a139c850ccf4/out/libproc_macro2-c062a139c850ccf4.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/63a63655125647b2/out/libquote-63a63655125647b2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/06275983cc9514f8/out/libunicode_ident-06275983cc9514f8.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `object` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/bin/rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.37.3/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="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=e5d4160808400765 -C extra-filename=-19f63ee5c56eabe8 --out-dir /opt/rustwide/target/debug/build/object/19f63ee5c56eabe8/out --extern memchr=/opt/rustwide/target/debug/build/memchr/a981d6758c24902b/out/libmemchr-a981d6758c24902b.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc", kill_on_drop: false }`
[INFO] [stdout] 43b7f0fe3e3d8e197e6eb19904baabae3fd8d9ce61526c6bcc2a599db69088cc
