[INFO] updating cached repository ivanovaleksey/exonum-employees
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ivanovaleksey/exonum-employees
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanovaleksey/exonum-employees" "work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/exonum-employees"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/exonum-employees'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanovaleksey/exonum-employees" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanovaleksey/exonum-employees"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanovaleksey/exonum-employees'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c691b0b3fae052e40bd17caf82d6c991eb0cc354
[INFO] sha for GitHub repo ivanovaleksey/exonum-employees: c691b0b3fae052e40bd17caf82d6c991eb0cc354
[INFO] validating manifest of ivanovaleksey/exonum-employees on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ivanovaleksey/exonum-employees on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ivanovaleksey/exonum-employees
[INFO] finished frobbing ivanovaleksey/exonum-employees
[INFO] frobbed toml for ivanovaleksey/exonum-employees written to work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/exonum-employees/Cargo.toml
[INFO] started frobbing ivanovaleksey/exonum-employees
[INFO] finished frobbing ivanovaleksey/exonum-employees
[INFO] frobbed toml for ivanovaleksey/exonum-employees written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ivanovaleksey/exonum-employees/Cargo.toml
[INFO] crate ivanovaleksey/exonum-employees already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ivanovaleksey/exonum-employees against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ivanovaleksey/exonum-employees:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f8a4be888a6c2f0748a2bd130cdd13e304de4fa37650f409ed962b291c6e8358
[INFO] running `"docker" "start" "-a" "f8a4be888a6c2f0748a2bd130cdd13e304de4fa37650f409ed962b291c6e8358"`
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling futures v0.1.19
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling serde v1.0.34
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling os_info v0.7.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling exonum v0.6.0
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling sequence_trie v0.3.5
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling headers v0.1.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling hex v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling tokio-executor v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling tar v0.4.14
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling ctrlc v3.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling diesel_derives v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling exonum_profiler v0.1.2
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling diesel v1.1.1
[INFO] [stderr]    Compiling tokio v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]    Compiling tokio-core v0.1.16
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]    Compiling tokio-retry v0.1.1
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling structopt v0.2.5
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling exonum_librocksdb-sys v0.5.2
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr] error: failed to run custom build command for `exonum_librocksdb-sys v0.5.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/exonum_librocksdb-sys-e430f1400cea704b/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '"git" "clone" "https://github.com/google/snappy.git"
[INFO] [stderr] 
[INFO] [stderr] fatal: could not create work tree dir 'snappy': Read-only file system
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.2/build.rs:170:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556013e56273 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x556013e51adb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x556013e54ea6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x556013e54c39 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x556013e555af - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x556013e55131 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x556013e5507e - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x556013d53559 - build_script_build::get_sources::h9f3f4eb92e5c2b1f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.2/build.rs:170
[INFO] [stderr]    8:     0x556013d53cf3 - build_script_build::main::hcd34428aef3a03d8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.2/build.rs:206
[INFO] [stderr]    9:     0x556013d56b0f - std::rt::lang_start::{{closure}}::hd6e2628495fa9c6f
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x556013e54fb2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   11:     0x556013e5dce9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   12:     0x556013e55b7c - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   13:     0x556013d56ae8 - std::rt::lang_start::h0e6f4c485b841327
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x556013d53de9 - main
[INFO] [stderr]   15:     0x7f64de2482e0 - __libc_start_main
[INFO] [stderr]   16:     0x556013d51599 - _start
[INFO] [stderr]   17:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f8a4be888a6c2f0748a2bd130cdd13e304de4fa37650f409ed962b291c6e8358"`
[INFO] running `"docker" "rm" "-f" "f8a4be888a6c2f0748a2bd130cdd13e304de4fa37650f409ed962b291c6e8358"`
[INFO] [stdout] f8a4be888a6c2f0748a2bd130cdd13e304de4fa37650f409ed962b291c6e8358