[INFO] cloning repository https://github.com/lxj764758117/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lxj764758117/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxj764758117%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxj764758117%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4501d7350fca7159bcd3c6e29154d802466686d
[INFO] checking lxj764758117/rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flxj764758117%2Frust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lxj764758117/rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lxj764758117/rust
[INFO] finished tweaking git repo https://github.com/lxj764758117/rust
[INFO] tweaked toml for git repo https://github.com/lxj764758117/rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lxj764758117/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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/calibra/curve25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/calibra/ed25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/calibra/x25519-dalek.git`
[INFO] [stderr]     Updating git repository `https://github.com/pingcap/rust-rocksdb.git`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/rocksdb.git`
[INFO] [stderr]     Updating git submodule `https://github.com/pingcap/titan.git`
[INFO] [stderr]     Updating git repository `https://github.com/calibra/rust-curve25519-fiat.git`
[INFO] [stderr]     Updating git submodule `https://github.com/mit-plv/fiat-crypto.git`
[INFO] [stderr]     Updating git submodule `https://github.com/thery/coqprime`
[INFO] [stderr]     Updating git submodule `https://github.com/JasonGross/coq-scripts.git`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/bzip2-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/lz4-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/lz4/lz4.git`
[INFO] [stderr]     Updating git repository `https://github.com/busyjay/rust-snappy.git`
[INFO] [stderr]     Updating git submodule `https://github.com/google/snappy.git`
[INFO] [stderr]     Updating git repository `https://github.com/gyscos/zstd-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/facebook/zstd`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.37
[INFO] [stderr]   Downloaded js-sys v0.3.28
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[INFO] [stderr]   Downloaded tokio-retry v0.2.0
[INFO] [stderr]   Downloaded tokio-rustls v0.10.2
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded structopt-derive v0.3.2
[INFO] [stderr]   Downloaded structopt v0.3.2
[INFO] [stderr]   Downloaded siphasher v0.3.0
[INFO] [stderr]   Downloaded grpcio v0.5.0-alpha.4
[INFO] [stderr]   Downloaded slog-envlogger v2.2.0
[INFO] [stderr]   Downloaded rusoto_core v0.41.0
[INFO] [stderr]   Downloaded ripemd160 v0.8.0
[INFO] [stderr]   Downloaded ctrlc v3.1.3
[INFO] [stderr]   Downloaded statistical v1.0.0
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
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[INFO] [stderr]   Downloaded encoding_rs v0.8.19
[INFO] [stderr]   Downloaded snow v0.6.1
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[INFO] [stderr]   Downloaded num_enum_derive v0.4.1
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.2
[INFO] [stderr]   Downloaded proc-quote-impl v0.2.2
[INFO] [stderr]   Downloaded proc-quote v0.2.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded protobuf v2.7.0
[INFO] [stderr]   Downloaded slog-scope v4.2.0
[INFO] [stderr]   Downloaded rusoto_kinesis v0.41.0
[INFO] [stderr]   Downloaded rustyline v5.0.3
[INFO] [stderr]   Downloaded grpcio-sys v0.5.0-alpha.4
[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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f945ca241180c6dc0deaf23c5a8435fae4ef2ca3226a0b2b1ce4276c5329b5e
[INFO] running `Command { std: "docker" "start" "-a" "7f945ca241180c6dc0deaf23c5a8435fae4ef2ca3226a0b2b1ce4276c5329b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f945ca241180c6dc0deaf23c5a8435fae4ef2ca3226a0b2b1ce4276c5329b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f945ca241180c6dc0deaf23c5a8435fae4ef2ca3226a0b2b1ce4276c5329b5e", kill_on_drop: false }`
[INFO] [stdout] 7f945ca241180c6dc0deaf23c5a8435fae4ef2ca3226a0b2b1ce4276c5329b5e
[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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a41b35e6272480354efa0c20880f8d3ffc65d3d1d339f3318cdc587c1ffb42
[INFO] running `Command { std: "docker" "start" "-a" "38a41b35e6272480354efa0c20880f8d3ffc65d3d1d339f3318cdc587c1ffb42", 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] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking arc-swap v0.4.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking libra-failure-macros v0.1.0 (/opt/rustwide/workdir/common/failure-ext/failure-macros)
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling memsec v0.5.6
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking mirai-annotations v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling protobuf v2.7.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking unsigned-varint v0.2.2
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.2
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.19
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking siphasher v0.3.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.17
[INFO] [stderr]     Checking stats_alloc v0.1.8
[INFO] [stderr]     Checking bitvec v0.10.2
[INFO] [stderr]     Checking serializer_tests v0.1.0 (/opt/rustwide/workdir/language/vm/serializer_tests)
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking testsuite v0.1.0 (/opt/rustwide/workdir/testsuite)
[INFO] [stderr]     Checking bytecode_verifier_tests v0.1.0 (/opt/rustwide/workdir/language/bytecode-verifier/bytecode_verifier_tests)
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tracing-core v0.1.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking radix_trie v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking ttl_cache v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[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-0.6.12/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=1df523c5180a50ed -C extra-filename=-1df523c5180a50ed --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" "38a41b35e6272480354efa0c20880f8d3ffc65d3d1d339f3318cdc587c1ffb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a41b35e6272480354efa0c20880f8d3ffc65d3d1d339f3318cdc587c1ffb42", kill_on_drop: false }`
[INFO] [stdout] 38a41b35e6272480354efa0c20880f8d3ffc65d3d1d339f3318cdc587c1ffb42