[INFO] fetching crate holochain_wasmer_guest 0.0.79...
[INFO] checking holochain_wasmer_guest-0.0.79 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] extracting crate holochain_wasmer_guest 0.0.79 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate holochain_wasmer_guest 0.0.79 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_wasmer_guest 0.0.79
[INFO] finished tweaking crates.io crate holochain_wasmer_guest 0.0.79
[INFO] tweaked toml for crates.io crate holochain_wasmer_guest 0.0.79 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14191997336eed8ceba72811aedfdcec8ede4e80ce331601d67ee55dcb23e542
[INFO] running `Command { std: "docker" "start" "-a" "14191997336eed8ceba72811aedfdcec8ede4e80ce331601d67ee55dcb23e542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14191997336eed8ceba72811aedfdcec8ede4e80ce331601d67ee55dcb23e542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14191997336eed8ceba72811aedfdcec8ede4e80ce331601d67ee55dcb23e542", kill_on_drop: false }`
[INFO] [stdout] 14191997336eed8ceba72811aedfdcec8ede4e80ce331601d67ee55dcb23e542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d9f484f1e5a15fde77dee65d96b0a197de48e2c1d58af6fcab8d2ce4b52706
[INFO] running `Command { std: "docker" "start" "-a" "50d9f484f1e5a15fde77dee65d96b0a197de48e2c1d58af6fcab8d2ce4b52706", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bytecheck v0.6.8
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]    Compiling rkyv v0.7.38
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking cranelift-bforest v0.76.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling wasmer-vm v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking wast v40.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking wat v1.0.42
[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-1.0.93/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"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=6b4794682d788d70 -C extra-filename=-6b4794682d788d70 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-340c3866980476f9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b91d651afdef8ac4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-868c8d90758e5924.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" "50d9f484f1e5a15fde77dee65d96b0a197de48e2c1d58af6fcab8d2ce4b52706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d9f484f1e5a15fde77dee65d96b0a197de48e2c1d58af6fcab8d2ce4b52706", kill_on_drop: false }`
[INFO] [stdout] 50d9f484f1e5a15fde77dee65d96b0a197de48e2c1d58af6fcab8d2ce4b52706