[INFO] fetching crate near-vm-runner 2.2.0...
[INFO] checking near-vm-runner-2.2.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate near-vm-runner 2.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate near-vm-runner 2.2.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate near-vm-runner 2.2.0
[INFO] finished tweaking crates.io crate near-vm-runner 2.2.0
[INFO] tweaked toml for crates.io crate near-vm-runner 2.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa5aa01ccebcefd11da137e4e6f39fb5f5c9499292d7e1a44c0a519b87cef408
[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" "fa5aa01ccebcefd11da137e4e6f39fb5f5c9499292d7e1a44c0a519b87cef408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa5aa01ccebcefd11da137e4e6f39fb5f5c9499292d7e1a44c0a519b87cef408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5aa01ccebcefd11da137e4e6f39fb5f5c9499292d7e1a44c0a519b87cef408", kill_on_drop: false }`
[INFO] [stdout] fa5aa01ccebcefd11da137e4e6f39fb5f5c9499292d7e1a44c0a519b87cef408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fcdd1696d1eeab27690e7090b6f99cb56ac925b2ce4a3a595935bd6f2d25228
[INFO] running `Command { std: "docker" "start" "-a" "5fcdd1696d1eeab27690e7090b6f99cb56ac925b2ce4a3a595935bd6f2d25228", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking wasmparser v0.51.4
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking near-runtime-utils v2.2.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cached v0.12.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking pwasm-utils v0.12.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking dynasmrt v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling wasmer-runtime-core v0.17.1
[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-1.0.50/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=afcb6cd6504b95d7 -C extra-filename=-afcb6cd6504b95d7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4d08b54466358be3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7ff72c6003b244d3.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-083414e3434d8e82.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" "5fcdd1696d1eeab27690e7090b6f99cb56ac925b2ce4a3a595935bd6f2d25228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcdd1696d1eeab27690e7090b6f99cb56ac925b2ce4a3a595935bd6f2d25228", kill_on_drop: false }`
[INFO] [stdout] 5fcdd1696d1eeab27690e7090b6f99cb56ac925b2ce4a3a595935bd6f2d25228