[INFO] cloning repository https://github.com/cynomys/cyno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cynomys/cyno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynomys%2Fcyno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynomys%2Fcyno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec86bde0a7f677762c2999ac2a8b92d24234af0c
[INFO] checking cynomys/cyno against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynomys%2Fcyno" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cynomys/cyno on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cynomys/cyno
[INFO] finished tweaking git repo https://github.com/cynomys/cyno
[INFO] tweaked toml for git repo https://github.com/cynomys/cyno written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cynomys/cyno already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded newtype_derive v0.1.6
[INFO] [stderr]   Downloaded bit-set v0.5.0
[INFO] [stderr]   Downloaded protoc-grpcio v1.0.1
[INFO] [stderr]   Downloaded statrs v0.9.0
[INFO] [stderr]   Downloaded grpcio-compiler v0.4.3
[INFO] [stderr]   Downloaded dgraph v0.1.2
[INFO] [stderr]   Downloaded feature-probe v0.1.1
[INFO] [stderr]   Downloaded protobuf v2.3.0
[INFO] [stderr]   Downloaded grpcio v0.4.4
[INFO] [stderr]   Downloaded protoc v2.3.0
[INFO] [stderr]   Downloaded bio-types v0.4.0
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded bio v0.25.0
[INFO] [stderr]   Downloaded blake2 v0.8.0
[INFO] [stderr]   Downloaded bv v0.10.0
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] [stderr]   Downloaded protobuf-codegen v2.3.0
[INFO] [stderr]   Downloaded grpcio-sys v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71c59f48c3f1f7b87deb3c7c9acccd72aac00e73f1fc7ef660626691cec8c68
[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" "c71c59f48c3f1f7b87deb3c7c9acccd72aac00e73f1fc7ef660626691cec8c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71c59f48c3f1f7b87deb3c7c9acccd72aac00e73f1fc7ef660626691cec8c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71c59f48c3f1f7b87deb3c7c9acccd72aac00e73f1fc7ef660626691cec8c68", kill_on_drop: false }`
[INFO] [stdout] c71c59f48c3f1f7b87deb3c7c9acccd72aac00e73f1fc7ef660626691cec8c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb8c386c762ac4d29f2804bbfbde40778f9e772f1652f37f632ffed3fd27f90b
[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" "cb8c386c762ac4d29f2804bbfbde40778f9e772f1652f37f632ffed3fd27f90b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling protobuf v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling bio v0.25.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bv v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling protoc v2.3.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling grpcio-sys v0.4.4
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking statrs v0.9.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling protobuf-codegen v2.3.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling grpcio-compiler v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling protoc-grpcio v1.0.1
[INFO] [stderr]    Compiling dgraph v0.1.2
[INFO] [stderr] error: failed to run custom build command for `dgraph v0.1.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/dgraph-4cf33d4baf62ea5e/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/protos
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to compile gRPC definitions!: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new::hee372abc8427f4e7 (0x563edbf2f726)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]      1: failure::backtrace::Backtrace::new::hbd406ac13285ffa4 (0x563edbf2e35d)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]      2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hd09f0c136baa93f3 (0x563edbee871c)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]      3: <failure::error::Error as core::convert::From<F>>::from::hc11e13fe5d0c565c (0x563edbeead2e)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]      4: <T as core::convert::Into<U>>::into::ha3616d8fad28558e (0x563edbeea9ae)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/convert/mod.rs:546
[INFO] [stderr]      5: failure::context::Context<D>::with_err::he659ecfe105607d1 (0x563edbedefad)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/context.rs:105
[INFO] [stderr]      6: failure::Fail::context::h5df77fa05886aaa4 (0x563edbeeae75)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/lib.rs:160
[INFO] [stderr]      7: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}::h06539e3e38b5a4be (0x563edbeeb185)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/result_ext.rs:164
[INFO] [stderr]      8: core::result::Result<T,E>::map_err::h074c0f031588bffd (0x563edbee50e8)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/result.rs:595
[INFO] [stderr]      9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::hdd089898e6dba8ed (0x563edbee5e6d)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/result_ext.rs:164
[INFO] [stderr]     10: protoc_grpcio::write_out_generated_files::h8a79371e7ebdb4d7 (0x563edbedcbf5)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.0.1/src/lib.rs:91
[INFO] [stderr]     11: protoc_grpcio::compile_grpc_protos::h5746d657606abe25 (0x563edbedbf33)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.0.1/src/lib.rs:260
[INFO] [stderr]     12: build_script_build::main::hf7445c785605eb01 (0x563edbeebb18)
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dgraph-0.1.2/build.rs:7
[INFO] [stderr]     13: core::ops::function::FnOnce::call_once::h8b2a87ce910238c9 (0x563edbee9bfa)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:227
[INFO] [stderr]     14: std::sys_common::backtrace::__rust_begin_short_backtrace::h0c849837daedbfc0 (0x563edbeeb30d)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     15: std::rt::lang_start::{{closure}}::hf46a8cc66fa7f5ee (0x563edbee9a50)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:66
[INFO] [stderr]     16: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49 (0x563edc19e1d6)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                at library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try::h068087b173f80a49
[INFO] [stderr]                at library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                at library/std/src/panic.rs:396
[INFO] [stderr]         std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                at library/std/src/rt.rs:51
[INFO] [stderr]     17: std::rt::lang_start::h11e72d517a28c6a5 (0x563edbee9a26)
[INFO] [stderr]                at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:65
[INFO] [stderr]     18: main (0x563edbeebb89)
[INFO] [stderr]     19: __libc_start_main (0x7f451918c0b2)
[INFO] [stderr]     20: _start (0x563edbed719d)
[INFO] [stderr]     21: <unknown> (0x0)
[INFO] [stderr] 
[INFO] [stderr]   failed to create "src/protos/api_grpc.rs"
[INFO] [stderr] 
[INFO] [stderr]   failed to write generated grpc definitions', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dgraph-0.1.2/build.rs:12:7
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563edc19b070 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x563edc19b070 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563edc19b070 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563edc19b070 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563edc1bf12c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x563edc198152 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x563edc19d615 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563edc19d615 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563edc19d615 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563edc19d16a - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563edc19ddb1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x563edc19d8f7 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x563edc19b50c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563edc19d859 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x563edc1bd091 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563edc1bceb3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x563edbee4fa6 - core::result::Result<T,E>::expect::he64498a3b67b96bb
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x563edbeebb55 - build_script_build::main::hf7445c785605eb01
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dgraph-0.1.2/build.rs:7:2
[INFO] [stderr]     18:     0x563edbee9bfb - core::ops::function::FnOnce::call_once::h8b2a87ce910238c9
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x563edbeeb30e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0c849837daedbfc0
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x563edbee9a51 - std::rt::lang_start::{{closure}}::hf46a8cc66fa7f5ee
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x563edc19e1d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x563edc19e1d7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x563edc19e1d7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x563edc19e1d7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x563edc19e1d7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x563edbee9a27 - std::rt::lang_start::h11e72d517a28c6a5
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x563edbeebb8a - main
[INFO] [stderr]     28:     0x7f451918c0b3 - __libc_start_main
[INFO] [stderr]     29:     0x563edbed719e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cb8c386c762ac4d29f2804bbfbde40778f9e772f1652f37f632ffed3fd27f90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8c386c762ac4d29f2804bbfbde40778f9e772f1652f37f632ffed3fd27f90b", kill_on_drop: false }`
[INFO] [stdout] cb8c386c762ac4d29f2804bbfbde40778f9e772f1652f37f632ffed3fd27f90b