[INFO] fetching crate mechtron-host 0.3.14...
[INFO] checking mechtron-host-0.3.14 against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] extracting crate mechtron-host 0.3.14 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mechtron-host 0.3.14 on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 264 packages to latest 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: v7.2.1)
[INFO] [stderr]       Adding wasmer-compiler-singlepass v2.3.0 (available: v7.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4
[INFO] running `Command { std: "docker" "start" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4", 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" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4", 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" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rustc-demangle v0.1.28
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking wasmparser v0.83.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.22
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.7
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.82.3
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.82.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking either v1.17.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking cranelift-entity v0.82.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.12.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking regalloc v0.0.34
[INFO] [stderr]     Checking cranelift-bforest v0.82.3
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking arrayvec v0.7.8
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking brownstone v1.1.0
[INFO] [stderr]     Checking wasm-encoder v0.255.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling cranelift-codegen v0.82.3
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking leb128 v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]     Checking bumpalo v3.20.3
[INFO] [stderr]     Checking nom-supreme v0.6.0
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]     Checking wast v255.0.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking semver v1.0.28
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking convert_case v0.5.0
[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/e3d12f3322cb00126b2208c6b9df3ac4467951f5/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 --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=197bcc89ecb20593 -C extra-filename=-cf9a9978d9be874a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ee684499ef27f3b8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-97307b84563a2c10.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.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" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4", kill_on_drop: false }`
[INFO] [stdout] a5dc8f2ce44e589919fa9d9e35d395c338da3ea537f4fdd3a463e2d94ea4bca4