[INFO] cloning repository https://github.com/mobilecoinofficial/mobilecoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobilecoinofficial/mobilecoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4deb617400224af147a3695b49d796434a55045
[INFO] checking mobilecoinofficial/mobilecoin against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobilecoinofficial/mobilecoin on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-36/source/.cargo/config
[INFO] removed /workspace/builds/worker-36/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] finished tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] tweaked toml for git repo https://github.com/mobilecoinofficial/mobilecoin written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/mobilecoinofficial/mobilecoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/bulletproofs`
[INFO] [stderr]     Updating git repository `https://github.com/cormacrelf/datatest.git`
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/ed25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/grpc-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/grpc.git`
[INFO] [stderr]     Updating git submodule `https://github.com/abseil/abseil-cpp.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/benchmark`
[INFO] [stderr]     Updating git submodule `https://github.com/google/bloaty.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://chromium.googlesource.com/chromium/llvm-project/llvm/lib/Fuzzer`
[INFO] [stderr]     Updating git submodule `https://github.com/google/re2`
[INFO] [stderr]     Updating git submodule `https://github.com/google/boringssl.git`
[INFO] [stderr]     Updating git submodule `https://github.com/c-ares/c-ares.git`
[INFO] [stderr]     Updating git submodule `https://github.com/envoyproxy/data-plane-api.git`
[INFO] [stderr]     Updating git submodule `https://github.com/googleapis/googleapis.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/libuv/libuv.git`
[INFO] [stderr]     Updating git submodule `https://github.com/census-instrumentation/opencensus-proto.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/protobuf.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/benchmark.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/googletest.git`
[INFO] [stderr]     Updating git submodule `https://github.com/envoyproxy/protoc-gen-validate.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/re2.git`
[INFO] [stderr]     Updating git submodule `https://github.com/cncf/udpa.git`
[INFO] [stderr]     Updating git submodule `https://github.com/madler/zlib`
[INFO] [stderr]     Updating git repository `https://github.com/mozilla/lmdb-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/mozilla/lmdb`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/rust-mbedtls.git`
[INFO] [stderr]     Updating git repository `https://github.com/danburkert/prost`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/protoc-grpcio`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/schnorrkel`
[INFO] [stderr]     Updating git repository `https://github.com/mobilecoinofficial/cbor`
[INFO] [stderr]     Updating git repository `https://github.com/eranrund/x25519-dalek.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac-sha512 v0.1.9
[INFO] [stderr]   Downloaded pin-project-internal v0.4.10
[INFO] [stderr]   Downloaded pin-project v0.4.10
[INFO] [stderr]   Downloaded serial_test v0.5.0
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded aes v0.7.4
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded rusoto_s3 v0.42.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.22.1
[INFO] [stderr]   Downloaded serial_test_derive v0.5.0
[INFO] [stderr]   Downloaded secrecy v0.4.1
[INFO] [stderr]   Downloaded yasna v0.2.2
[INFO] [stderr]   Downloaded aead v0.4.1
[INFO] [stderr]   Downloaded ghash v0.4.2
[INFO] [stderr]   Downloaded polyval v0.5.1
[INFO] [stderr]   Downloaded sentry v0.18.0
[INFO] [stderr]   Downloaded rs-libc v0.2.2
[INFO] [stderr]   Downloaded cargo-emit v0.1.1
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[INFO] [stderr]   Downloaded plotters v0.2.14
[INFO] [stderr]   Downloaded sha2-asm v0.6.1
[INFO] [stderr]   Downloaded async-compression v0.3.3
[INFO] [stderr]   Downloaded protoc v2.14.0
[INFO] [stderr]   Downloaded rjson v0.3.1
[INFO] [stderr]   Downloaded slip10_ed25519 v0.1.3
[INFO] [stderr]   Downloaded slog-atomic v3.0.0
[INFO] [stderr]   Downloaded core_io v0.1.20210325
[INFO] [stderr]   Downloaded slog-gelf v0.1.2
[INFO] [stderr]   Downloaded mc-oblivious-aes-gcm v0.9.2
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-pre.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] badb35f5c5c74ef35981af40eb890b46114eff1866b797d34ef4168921a9c810
[INFO] running `Command { std: "docker" "start" "-a" "badb35f5c5c74ef35981af40eb890b46114eff1866b797d34ef4168921a9c810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "badb35f5c5c74ef35981af40eb890b46114eff1866b797d34ef4168921a9c810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "badb35f5c5c74ef35981af40eb890b46114eff1866b797d34ef4168921a9c810", kill_on_drop: false }`
[INFO] [stdout] badb35f5c5c74ef35981af40eb890b46114eff1866b797d34ef4168921a9c810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e327ede5b8e9b4cc02b3e09d9e7e2be002d67e9d6fc811be2e0c103042bf12
[INFO] running `Command { std: "docker" "start" "-a" "49e327ede5b8e9b4cc02b3e09d9e7e2be002d67e9d6fc811be2e0c103042bf12", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cargo-emit v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling mc-util-build-info v1.1.2 (/opt/rustwide/workdir/util/build/info)
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling protobuf v2.22.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]     Checking mc-sgx-types v1.1.2 (/opt/rustwide/workdir/sgx/types)
[INFO] [stderr]     Checking rjson v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking mc-util-host-cert v1.1.2 (/opt/rustwide/workdir/util/host-cert)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=4cdbffd7f8905f03 -C extra-filename=-4cdbffd7f8905f03 -C rpath --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "49e327ede5b8e9b4cc02b3e09d9e7e2be002d67e9d6fc811be2e0c103042bf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e327ede5b8e9b4cc02b3e09d9e7e2be002d67e9d6fc811be2e0c103042bf12", kill_on_drop: false }`
[INFO] [stdout] 49e327ede5b8e9b4cc02b3e09d9e7e2be002d67e9d6fc811be2e0c103042bf12