[INFO] fetching crate veriwasm 0.1.4...
[INFO] building veriwasm-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate veriwasm 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate veriwasm 0.1.4
[INFO] finished tweaking crates.io crate veriwasm 0.1.4
[INFO] tweaked toml for crates.io crate veriwasm 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate veriwasm 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate veriwasm 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 437c99a00d240f0eeb3cbefa12f3db00ea5747863213dae9b9adb949379b53c0
[INFO] running `Command { std: "docker" "start" "-a" "437c99a00d240f0eeb3cbefa12f3db00ea5747863213dae9b9adb949379b53c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437c99a00d240f0eeb3cbefa12f3db00ea5747863213dae9b9adb949379b53c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437c99a00d240f0eeb3cbefa12f3db00ea5747863213dae9b9adb949379b53c0", kill_on_drop: false }`
[INFO] [stdout] 437c99a00d240f0eeb3cbefa12f3db00ea5747863213dae9b9adb949379b53c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 300defd66cb46f18d1bcce3a63fd11878696697d0b1f0deebf0620d2c9127d36
[INFO] running `Command { std: "docker" "start" "-a" "300defd66cb46f18d1bcce3a63fd11878696697d0b1f0deebf0620d2c9127d36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling yaxpeax-x86 v1.1.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-maps v0.1.9
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling parity-wasm v0.40.3
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rpassword v5.0.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling termios v0.2.2
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"))' -C metadata=c624afbda8c68cdb -C extra-filename=-2a7afd2d09102477 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a31d07f6233458cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ed4b39275464f609.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-c15504178e575201.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "300defd66cb46f18d1bcce3a63fd11878696697d0b1f0deebf0620d2c9127d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300defd66cb46f18d1bcce3a63fd11878696697d0b1f0deebf0620d2c9127d36", kill_on_drop: false }`
[INFO] [stdout] 300defd66cb46f18d1bcce3a63fd11878696697d0b1f0deebf0620d2c9127d36