[INFO] fetching crate wasmtime-py 0.15.0...
[INFO] testing wasmtime-py-0.15.0 against try#ddc023471205c186b40f4bf8ffb598008dbf4885 for pr-87041-1
[INFO] extracting crate wasmtime-py 0.15.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmtime-py 0.15.0 on toolchain ddc023471205c186b40f4bf8ffb598008dbf4885
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-py 0.15.0
[INFO] finished tweaking crates.io crate wasmtime-py 0.15.0
[INFO] tweaked toml for crates.io crate wasmtime-py 0.15.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wast v22.0.0
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded pyo3cls v0.8.5
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.5
[INFO] [stderr]   Downloaded faerie v0.15.0
[INFO] [stderr]   Downloaded winx v0.15.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.62.0
[INFO] [stderr]   Downloaded wasmparser v0.51.4
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded object v0.18.0
[INFO] [stderr]   Downloaded cranelift-native v0.62.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.62.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.15.0
[INFO] [stderr]   Downloaded wiggle-macro v0.15.0
[INFO] [stderr]   Downloaded wig v0.15.0
[INFO] [stderr]   Downloaded wiggle-generate v0.15.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.15.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.15.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.62.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.62.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.15.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.15.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.62.0
[INFO] [stderr]   Downloaded cranelift-entity v0.62.0
[INFO] [stderr]   Downloaded wiggle v0.15.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.62.0
[INFO] [stderr]   Downloaded wasmtime v0.15.0
[INFO] [stderr]   Downloaded wasi-common v0.15.0
[INFO] [stderr]   Downloaded yanix v0.15.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.15.0
[INFO] [stderr]   Downloaded gimli v0.20.0
[INFO] [stderr]   Downloaded witx v0.8.8
[INFO] [stderr]   Downloaded cvt v0.1.1
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded pyo3 v0.8.5
[INFO] [stderr]   Downloaded cpu-time v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925853dcd503fdd34d3d09bec1a71364d745215d4fb9c6b4f4160cc35a756c88
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "925853dcd503fdd34d3d09bec1a71364d745215d4fb9c6b4f4160cc35a756c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925853dcd503fdd34d3d09bec1a71364d745215d4fb9c6b4f4160cc35a756c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925853dcd503fdd34d3d09bec1a71364d745215d4fb9c6b4f4160cc35a756c88", kill_on_drop: false }`
[INFO] [stdout] 925853dcd503fdd34d3d09bec1a71364d745215d4fb9c6b4f4160cc35a756c88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afe9677ed03fa3f4f720b6c78df759a784a14cc3aba1ce440a8974737466547f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afe9677ed03fa3f4f720b6c78df759a784a14cc3aba1ce440a8974737466547f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.62.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling wasmparser v0.51.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling wasmtime-environ v0.15.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling wasi-common v0.15.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling wasmtime-wasi v0.15.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling wast v22.0.0
[INFO] [stderr]    Compiling wast v38.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling yanix v0.15.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling gimli v0.20.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling wasmtime-runtime v0.15.0
[INFO] [stderr]    Compiling object v0.18.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.4
[INFO] [stderr]    Compiling wat v1.0.40
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.82/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="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="quote"' -C metadata=4676e934c66ce2ea -C extra-filename=-4676e934c66ce2ea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cec411b88c3c5668.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3b64c251b639f64f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "afe9677ed03fa3f4f720b6c78df759a784a14cc3aba1ce440a8974737466547f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe9677ed03fa3f4f720b6c78df759a784a14cc3aba1ce440a8974737466547f", kill_on_drop: false }`
[INFO] [stdout] afe9677ed03fa3f4f720b6c78df759a784a14cc3aba1ce440a8974737466547f