[INFO] fetching crate electrscash 2.0.0...
[INFO] documenting electrscash-2.0.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate electrscash 2.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate electrscash 2.0.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate electrscash 2.0.0
[INFO] finished tweaking crates.io crate electrscash 2.0.0
[INFO] tweaked toml for crates.io crate electrscash 2.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate electrscash 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dfb450430cc6a6505be5209ff18f63ab45f2ea940921a7aaae5d49436788471
[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" "0dfb450430cc6a6505be5209ff18f63ab45f2ea940921a7aaae5d49436788471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dfb450430cc6a6505be5209ff18f63ab45f2ea940921a7aaae5d49436788471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfb450430cc6a6505be5209ff18f63ab45f2ea940921a7aaae5d49436788471", kill_on_drop: false }`
[INFO] [stdout] 0dfb450430cc6a6505be5209ff18f63ab45f2ea940921a7aaae5d49436788471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ed1f4b740043413fdce69d004d839c59bdf60d9e3b787587ffbae51c70867a
[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" "15ed1f4b740043413fdce69d004d839c59bdf60d9e3b787587ffbae51c70867a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling configure_me_codegen v0.3.14
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling fmt2io v0.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling prometheus v0.5.0
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking parse_arg v0.1.4
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling man v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking c_fixed_string v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling cargo_toml v0.8.0
[INFO] [stderr]     Checking configure_me v0.3.4
[INFO] [stderr]     Checking bitcoincash-addr v0.5.2
[INFO] [stderr]     Checking bitcoincash v0.23.0
[INFO] [stderr]    Compiling electrscash v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling librocksdb-sys v5.18.3
[INFO] [stderr]    Compiling cashaccount-sys v0.1.1
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp: In function 'int cashacc_parse_opreturn(const char*, unsigned int, bool, CashAccount*)':
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:62:45: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    62 |   for (int i = CASHACCOUNT_PREFIX_LENGTH; i < len; ++i) {
[INFO] [stderr] warning:       |                                           ~~^~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:68:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    68 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:70:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    70 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:72:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    72 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:75:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    75 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:77:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    77 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:79:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    79 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:84:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    84 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:86:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    86 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:88:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    88 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:90:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    90 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    46 |   if (++i >= len)                                                              \
[INFO] [stderr] warning:       |       ~~~~^~~~~~
[INFO] [stderr] warning: libcashaccount/src/cashaccount.cpp:92:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr] warning:    92 |       INCREMENT_I;
[INFO] [stderr] warning:       |       ^~~~~~~~~~~
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `cashaccount-sys v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cashaccount-sys-0713c70001ffed31/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=static=cashaccount
[INFO] [stderr]   cargo:rustc-link-search=native=libcashaccount/src
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-changed=libcashaccount/
[INFO] [stderr]   NUM_JOBS = Some("16")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "libcashaccount/includes/" "-I" "libcashaccount/src/" "-Wall" "-Wextra" "-std=c++11" "-o" "/opt/rustwide/target/debug/build/cashaccount-sys-5195e32067b00768/out/libcashaccount/src/cashaccount.o" "-c" "libcashaccount/src/cashaccount.cpp"
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp: In function 'int cashacc_parse_opreturn(const char*, unsigned int, bool, CashAccount*)':
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:62:45: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   62 |   for (int i = CASHACCOUNT_PREFIX_LENGTH; i < len; ++i) {
[INFO] [stderr]   cargo:warning=      |                                           ~~^~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:68:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   68 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:70:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   70 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:72:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   72 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:75:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   75 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:77:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   77 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:79:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   79 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:84:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   84 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:86:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   86 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:88:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   88 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:90:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   90 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:46:11: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr]   cargo:warning=   46 |   if (++i >= len)                                                              \
[INFO] [stderr]   cargo:warning=      |       ~~~~^~~~~~
[INFO] [stderr]   cargo:warning=libcashaccount/src/cashaccount.cpp:92:7: note: in expansion of macro 'INCREMENT_I'
[INFO] [stderr]   cargo:warning=   92 |       INCREMENT_I;
[INFO] [stderr]   cargo:warning=      |       ^~~~~~~~~~~
[INFO] [stderr]   cargo:warning=c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "libcashaccount/includes/" "-I" "libcashaccount/src/" "-Wall" "-Wextra" "-std=c++11" "-o" "/opt/rustwide/target/debug/build/cashaccount-sys-5195e32067b00768/out/libcashaccount/src/cashaccount.o" "-c" "libcashaccount/src/cashaccount.cpp" with args "c++" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: rocksdb/port/port_posix.cc: In function 'int rocksdb::port::GetMaxOpenFiles()':
[INFO] [stderr] warning: rocksdb/port/port_posix.cc:180:31: warning: comparison of integer expressions of different signedness: 'rlim_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning:   180 |   if (no_files_limit.rlim_cur >= std::numeric_limits<int>::max()) {
[INFO] [stderr] warning:       |       ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "15ed1f4b740043413fdce69d004d839c59bdf60d9e3b787587ffbae51c70867a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ed1f4b740043413fdce69d004d839c59bdf60d9e3b787587ffbae51c70867a", kill_on_drop: false }`
[INFO] [stdout] 15ed1f4b740043413fdce69d004d839c59bdf60d9e3b787587ffbae51c70867a
