[INFO] cloning repository https://github.com/solid-rocks/exopoll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solid-rocks/exopoll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolid-rocks%2Fexopoll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolid-rocks%2Fexopoll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 724cec836dac305dd7e122e24985110e0ef86e7f
[INFO] checking solid-rocks/exopoll against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolid-rocks%2Fexopoll" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/solid-rocks/exopoll on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/solid-rocks/exopoll
[INFO] finished tweaking git repo https://github.com/solid-rocks/exopoll
[INFO] tweaked toml for git repo https://github.com/solid-rocks/exopoll written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/solid-rocks/exopoll already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/exonum/exonum/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pwbox v0.1.0
[INFO] [stderr]   Downloaded exonum_libsodium-sys v0.0.20
[INFO] [stderr]   Downloaded zip v0.4.2
[INFO] [stderr]   Downloaded protoc-rust v2.2.0
[INFO] [stderr]   Downloaded exonum_librocksdb-sys v0.5.4
[INFO] [stderr]   Downloaded x25519-dalek v0.3.0
[INFO] [stderr]   Downloaded subtle v0.7.1
[INFO] [stderr]   Downloaded protobuf v2.2.0
[INFO] [stderr]   Downloaded actix-web v0.7.16
[INFO] [stderr]   Downloaded erased-serde v0.3.6
[INFO] [stderr]   Downloaded protoc v2.2.0
[INFO] [stderr]   Downloaded actix-net v0.2.5
[INFO] [stderr]   Downloaded exonum_rocksdb v0.7.4
[INFO] [stderr]   Downloaded exonum_sodiumoxide v0.0.20
[INFO] [stderr]   Downloaded hex-buffer-serde v0.1.1
[INFO] [stderr]   Downloaded os_info v1.1.0
[INFO] [stderr]   Downloaded snow v0.4.0
[INFO] [stderr]   Downloaded curve25519-dalek v0.19.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.2.0
[INFO] [stderr]   Downloaded rust_decimal v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2150cdaac59396ea47aa2abf59ef2a9182e4197036ae1ef02d33ef93d7966811
[INFO] running `Command { std: "docker" "start" "-a" "2150cdaac59396ea47aa2abf59ef2a9182e4197036ae1ef02d33ef93d7966811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2150cdaac59396ea47aa2abf59ef2a9182e4197036ae1ef02d33ef93d7966811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2150cdaac59396ea47aa2abf59ef2a9182e4197036ae1ef02d33ef93d7966811", kill_on_drop: false }`
[INFO] [stdout] 2150cdaac59396ea47aa2abf59ef2a9182e4197036ae1ef02d33ef93d7966811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfbf9706730e4e373ed1b88035c62901197ca758ae23da6970fb9eca2a244741
[INFO] running `Command { std: "docker" "start" "-a" "bfbf9706730e4e373ed1b88035c62901197ca758ae23da6970fb9eca2a244741", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling subtle v0.7.1
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling os_info v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling cargo-husky v1.2.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling actix-web v0.7.16
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking miniz_oxide v0.2.0
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling protoc v2.2.0
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling snow v0.4.0
[INFO] [stderr]    Compiling syn v0.15.23
[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-0.6.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=9200ae729008f6e5 -C extra-filename=-9200ae729008f6e5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-1b570d6665818694.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" "bfbf9706730e4e373ed1b88035c62901197ca758ae23da6970fb9eca2a244741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfbf9706730e4e373ed1b88035c62901197ca758ae23da6970fb9eca2a244741", kill_on_drop: false }`
[INFO] [stdout] bfbf9706730e4e373ed1b88035c62901197ca758ae23da6970fb9eca2a244741