[INFO] updating cached repository metsawyr/basic-multisig
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/metsawyr/basic-multisig
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/metsawyr/basic-multisig" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/metsawyr/basic-multisig"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/metsawyr/basic-multisig'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/metsawyr/basic-multisig" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/metsawyr/basic-multisig"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/metsawyr/basic-multisig'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbfcaba4ca6e99076a7c38155407a9176b6870ce
[INFO] sha for GitHub repo metsawyr/basic-multisig: bbfcaba4ca6e99076a7c38155407a9176b6870ce
[INFO] validating manifest of metsawyr/basic-multisig on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metsawyr/basic-multisig on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing metsawyr/basic-multisig
[INFO] finished frobbing metsawyr/basic-multisig
[INFO] frobbed toml for metsawyr/basic-multisig written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/metsawyr/basic-multisig/Cargo.toml
[INFO] started frobbing metsawyr/basic-multisig
[INFO] finished frobbing metsawyr/basic-multisig
[INFO] frobbed toml for metsawyr/basic-multisig written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/metsawyr/basic-multisig/Cargo.toml
[INFO] crate metsawyr/basic-multisig already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking metsawyr/basic-multisig against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/metsawyr/basic-multisig:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7e7cc89bcb219cfc47166c66633d67429d401695e621b393032e110c4fea639
[INFO] running `"docker" "start" "-a" "a7e7cc89bcb219cfc47166c66633d67429d401695e621b393032e110c4fea639"`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.87
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[INFO] [stderr]    Compiling protobuf v2.3.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking linked-hash-map v0.4.2
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[INFO] [stderr]    Compiling remove_dir_all v0.5.1
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[INFO] [stderr]    Compiling ryu v0.2.7
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[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
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[INFO] [stderr]     Checking hex v0.3.2
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[INFO] [stderr]    Compiling os_info v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking constant_time_eq v0.1.3
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[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling protoc v2.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling snow v0.4.2
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]     Checking tokio-io v0.1.11
[INFO] [stderr]     Checking http v0.1.15
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking erased-serde v0.3.8
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rust_decimal v0.10.2
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tempfile v3.0.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling exonum_librocksdb-sys v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling exonum-derive v0.10.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr] error: failed to run custom build command for `exonum_librocksdb-sys v0.5.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/exonum_librocksdb-sys-5867a26023ce9b7b/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-0.5.4/build.rs:176:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5650ea286a4b - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5650ea286a4b - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5650ea286a4b - std::sys_common::backtrace::_print::hb0e5dd39180a1838
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5650ea286a4b - std::sys_common::backtrace::print::h9b385b2285f057b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5650ea286a4b - std::panicking::default_hook::{{closure}}::he3310a15a78966b4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5650ea286726 - std::panicking::default_hook::h2986f418df62eff4
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5650ea2871bd - std::panicking::rust_panic_with_hook::h15065386631d2a9d
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5650ea286d42 - std::panicking::continue_panic_fmt::h5e7761875fda3864
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5650ea286c8f - std::panicking::begin_panic_fmt::h23e4c9022d6fc089
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x5650ea16f369 - build_script_build::get_sources::h3c54e3a3c852c472
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.4/build.rs:176
[INFO] [stderr]   10:     0x5650ea16fac4 - build_script_build::main::h335fe08ab7159d7c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.4/build.rs:212
[INFO] [stderr]   11:     0x5650ea1721f0 - std::rt::lang_start::{{closure}}::h74312795f59b58d4
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5650ea286bc3 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   13:     0x5650ea286bc3 - std::panicking::try::do_call::h7642e0de797eeae0
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x5650ea28f2fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x5650ea28778d - std::panicking::try::h17f145530f8b5a3f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   16:     0x5650ea28778d - std::panic::catch_unwind::hcee1b9b07ea0f9dc
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   17:     0x5650ea28778d - std::rt::lang_start_internal::h82d44298f58b2cfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x5650ea1721c9 - std::rt::lang_start::hfa087ed6767e4157
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x5650ea16fbba - main
[INFO] [stderr]   20:     0x7fd75588a2e1 - __libc_start_main
[INFO] [stderr]   21:     0x5650ea16d31a - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a7e7cc89bcb219cfc47166c66633d67429d401695e621b393032e110c4fea639"`
[INFO] running `"docker" "rm" "-f" "a7e7cc89bcb219cfc47166c66633d67429d401695e621b393032e110c4fea639"`
[INFO] [stdout] a7e7cc89bcb219cfc47166c66633d67429d401695e621b393032e110c4fea639