Closed
Description
Steps
Compile https://github.com/nymtech/nym
Meta
rustc --version --verbose:
rustc 1.51.0-nightly (04caa632d 2021-01-30)
binary: rustc
commit-hash: 04caa632dd10c2bf64b69524c7f9c4c30a436877
commit-date: 2021-01-30
host: x86_64-apple-darwin
release: 1.51.0-nightly
LLVM version: 11.0.1
Error output
% RUST_BACKTRACE=full cargo build --verbose
Fresh cfg-if v0.1.10
Fresh unicode-xid v0.2.1
Fresh version_check v0.9.2
Fresh autocfg v1.0.1
Fresh lazy_static v1.4.0
Fresh ppv-lite86 v0.2.9
Fresh subtle v2.2.3
Fresh opaque-debug v0.2.3
Fresh subtle v1.0.0
Fresh byte-tools v0.3.1
Fresh regex-syntax v0.6.18
Fresh opaque-debug v0.3.0
Fresh cpuid-bool v0.1.2
Fresh slab v0.4.2
Fresh futures-core v0.3.9
Fresh arrayref v0.3.6
Fresh keystream v1.0.0
Fresh bytes v0.5.6
Fresh quick-error v1.2.3
Fresh cc v1.0.59
Fresh fnv v1.0.7
Fresh fake-simd v0.1.2
Fresh base64 v0.11.0
Fresh termcolor v1.1.0
Fresh signature v1.2.2
Fresh bs58 v0.3.1
Fresh constant_time_eq v0.1.5
Fresh futures-sink v0.3.9
Fresh arc-swap v0.4.7
Fresh arrayvec v0.5.1
Fresh pin-project-lite v0.1.7
Fresh itoa v0.4.6
Fresh once_cell v1.4.1
Fresh futures-io v0.3.9
Fresh pin-project-lite v0.2.4
Fresh pin-utils v0.1.0
Fresh semver-parser v0.7.0
Fresh matches v0.1.8
Fresh tinyvec v0.3.4
Fresh percent-encoding v2.1.0
Fresh remove_dir_all v0.5.3
Fresh base64 v0.12.3
Fresh hashbrown v0.9.0
Fresh try-lock v0.2.3
Fresh scopeguard v1.1.0
Fresh tower-service v0.3.0
Fresh maplit v1.0.2
Fresh mime v0.3.16
Fresh dtoa v0.4.6
Fresh smallvec v1.4.2
Fresh utf-8 v0.7.5
Fresh ipnet v2.3.0
Fresh unicode-width v0.1.8
Fresh ucd-trie v0.1.3
Fresh ansi_term v0.11.0
Fresh quick-error v2.0.0
Fresh strsim v0.8.0
Fresh vec_map v0.8.2
Fresh humantime v2.0.1
Fresh instant v0.1.6
Fresh unicode-xid v0.1.0
Fresh dotenv v0.15.0
Fresh array-init v0.1.1
Fresh gimli v0.22.0
Fresh adler v0.2.3
Fresh object v0.20.0
Fresh rustc-demangle v0.1.16
Fresh thread_local v1.0.1
Fresh tracing-core v0.1.15
Fresh block-padding v0.1.5
Fresh humantime v1.3.0
Fresh ed25519 v1.0.1
Fresh input_buffer v0.3.1
Fresh futures-task v0.3.9
Fresh futures-channel v0.3.9
Fresh semver v0.9.0
Fresh http v0.2.1
Fresh dashmap v4.0.0-rc6
Fresh unicode-bidi v0.3.4
Fresh unicode-normalization v0.1.13
Fresh lock_api v0.4.1
Fresh lock_api v0.3.4
Fresh pest v2.1.3
Fresh textwrap v0.11.0
Fresh libc v0.2.76
Fresh proc-macro2 v1.0.24
Fresh typenum v1.12.0
Fresh miniz_oxide v0.4.1
Fresh addr2line v0.13.0
Fresh log v0.4.11
Fresh memchr v2.3.3
Fresh byteorder v1.3.4
Fresh proc-macro-hack v0.5.19
Fresh proc-macro-nested v0.1.6
Fresh version-checker v0.1.0 (/Users/rex/nym/common/version-checker)
Fresh idna v0.2.0
Fresh core-foundation-sys v0.7.0
Fresh bitflags v1.2.1
Fresh ryu v1.0.5
Fresh httparse v1.3.4
Fresh http-body v0.3.1
Fresh getrandom v0.1.14
Fresh time v0.1.44
Fresh atty v0.2.14
Fresh iovec v0.1.4
Fresh net2 v0.2.35
Fresh num_cpus v1.13.0
Fresh signal-hook-registry v1.2.1
Fresh socket2 v0.3.12
Fresh encoding_rs v0.8.24
Fresh pest_meta v2.1.3
Fresh dirs-sys v0.3.5
Fresh maybe-uninit v2.0.0
Fresh crc32fast v1.2.0
Fresh fs2 v0.4.3
Fresh parking_lot_core v0.8.0
Fresh proc-macro2 v0.4.30
Fresh parking_lot_core v0.7.2
Fresh quote v1.0.7
Fresh generic-array v0.14.4
Fresh generic-array v0.12.3
Fresh aho-corasick v0.7.13
Fresh chacha v0.3.0
Fresh num-traits v0.2.12
Fresh tracing v0.1.19
Fresh want v0.3.0
Fresh fxhash v0.2.1
Fresh ordered-buffer v0.1.0 (/Users/rex/nym/common/socks5/ordered-buffer)
Fresh backtrace v0.3.50
Fresh doc-comment v0.3.3
Fresh url v2.1.1
Fresh security-framework-sys v0.4.3
Fresh core-foundation v0.7.0
Fresh indexmap v1.6.0
Fresh unicase v2.6.0
Fresh memoffset v0.5.5
Fresh crossbeam-utils v0.7.2
Fresh error-chain v0.12.4
Fresh rand_core v0.5.1
Fresh mio v0.6.22
Fresh clap v2.33.3
Fresh syn v1.0.58
Fresh digest v0.9.0
Fresh digest v0.8.1
Fresh crypto-mac v0.7.0
Fresh block-cipher-trait v0.6.2
Fresh block-buffer v0.9.0
Fresh block-cipher v0.7.1
Fresh stream-cipher v0.3.2
Fresh crypto-mac v0.8.0
Fresh block-buffer v0.7.3
Fresh dirs v2.0.2
Fresh parking_lot v0.11.0
Fresh quote v0.6.13
Fresh dirs v3.0.1
Fresh parking_lot v0.10.2
Fresh regex v1.3.9
Fresh num-integer v0.1.43
Fresh security-framework v0.4.4
Fresh rand_chacha v0.2.2
Fresh serde_derive v1.0.115
Fresh synstructure v0.12.4
Fresh mio-uds v0.6.8
Fresh tokio-macros v0.2.5
Fresh futures-macro v0.3.9
Fresh pin-project-internal v0.4.23
Fresh pest_generator v2.1.3
Fresh crossbeam-epoch v0.8.2
Fresh pin-project-internal v1.0.4
Fresh hmac v0.7.1
Fresh aes-soft v0.3.3
Fresh blake2 v0.8.1
Fresh ctr v0.3.2
Fresh stream-cipher v0.4.1
Fresh sha2 v0.8.2
Fresh aes-soft v0.4.0
Fresh sha2 v0.9.1
Fresh hmac v0.8.1
Fresh blake3 v0.3.6
Fresh sha-1 v0.9.1
Fresh syn v0.15.44
Fresh rand v0.7.3
Fresh serde v1.0.115
Fresh zeroize_derive v1.0.0
Fresh chrono v0.4.15
Fresh pem v0.7.0
Fresh env_logger v0.6.2
Fresh tokio v0.2.22
Fresh futures-util v0.3.9
Fresh pin-project v0.4.23
Fresh pest_derive v2.1.0
Fresh lioness v0.1.2
Fresh hkdf v0.8.0
Fresh aes-ctr v0.3.0
Fresh ctr v0.4.0
Fresh hkdf v0.9.0
Fresh sled v0.33.0
Fresh sled v0.31.0
Fresh pin-project v1.0.4
Fresh zeroize v1.1.0
Fresh rand_distr v0.2.2
Fresh pretty_env_logger v0.3.1
Fresh pemstore v0.1.0 (/Users/rex/nym/common/pemstore)
Fresh tokio-util v0.3.1
Fresh serde_json v1.0.57
Fresh tempfile v3.1.0
Fresh futures-executor v0.3.9
Fresh serde_urlencoded v0.6.1
Fresh mime_guess v2.0.3
Fresh tungstenite v0.11.1
Fresh toml v0.5.6
Fresh nonexhaustive-delayqueue v0.1.0 (/Users/rex/nym/common/nonexhaustive-delayqueue)
Fresh humantime-serde v1.0.1
Fresh snafu-derive v0.4.4
Fresh ipnetwork v0.17.0
Fresh curve25519-dalek v3.0.0
Fresh aes-ctr v0.4.0
Fresh curve25519-dalek v2.1.0
Fresh native-tls v0.2.4
Fresh futures v0.3.9
Fresh h2 v0.2.6
Fresh tokio-tungstenite v0.11.0
Fresh handlebars v3.4.0
Fresh snafu v0.4.4
Fresh sphinx v0.1.0 (https://github.com/nymtech/sphinx?rev=283dcc77dec8ee9ed3bed58c2b878e9c18320723#283dcc77)
Fresh x25519-dalek v1.1.0
Fresh ed25519-dalek v1.0.0
Fresh tokio-tls v0.3.1
Fresh hyper v0.13.7
Fresh config v0.1.0 (/Users/rex/nym/common/config)
Fresh publicsuffix v1.5.4
Fresh nymsphinx-types v0.1.0 (/Users/rex/nym/common/nymsphinx/types)
Fresh hyper-tls v0.4.3
Fresh crypto v0.1.0 (/Users/rex/nym/common/crypto)
Fresh reqwest v0.10.8
Fresh nymsphinx-addressing v0.1.0 (/Users/rex/nym/common/nymsphinx/addressing)
Fresh nymsphinx-params v0.1.0 (/Users/rex/nym/common/nymsphinx/params)
Fresh metrics-client v0.1.0 (/Users/rex/nym/common/client-libs/metrics-client)
Fresh topology v0.1.0 (/Users/rex/nym/common/topology)
Fresh nymsphinx-forwarding v0.1.0 (/Users/rex/nym/common/nymsphinx/forwarding)
Fresh nymsphinx-chunking v0.1.0 (/Users/rex/nym/common/nymsphinx/chunking)
Fresh nymsphinx-framing v0.1.0 (/Users/rex/nym/common/nymsphinx/framing)
Fresh socks5-requests v0.1.0 (/Users/rex/nym/common/socks5/requests)
Fresh nymsphinx-acknowledgements v0.1.0 (/Users/rex/nym/common/nymsphinx/acknowledgements)
Fresh nymsphinx-anonymous-replies v0.1.0 (/Users/rex/nym/common/nymsphinx/anonymous-replies)
Fresh validator-client v0.1.0 (/Users/rex/nym/common/client-libs/validator-client)
Fresh proxy-helpers v0.1.0 (/Users/rex/nym/common/socks5/proxy-helpers)
Fresh nymsphinx-cover v0.1.0 (/Users/rex/nym/common/nymsphinx/cover)
Fresh mixnode-common v0.1.0 (/Users/rex/nym/common/mixnode-common)
Fresh nymsphinx v0.1.0 (/Users/rex/nym/common/nymsphinx)
Compiling gateway-requests v0.1.0 (/Users/rex/nym/gateway/gateway-requests)
Fresh websocket-requests v0.1.0 (/Users/rex/nym/clients/native/websocket-requests)
Compiling mixnet-client v0.1.0 (/Users/rex/nym/common/client-libs/mixnet-client)
Fresh nym-network-requester v0.9.2 (/Users/rex/nym/service-providers/network-requester)
Running `rustc --crate-name gateway_requests --edition=2018 gateway/gateway-requests/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 -C metadata=9a1d3a08b488b5ec -C extra-filename=-9a1d3a08b488b5ec --out-dir /Users/rex/nym/target/debug/deps -C incremental=/Users/rex/nym/target/debug/incremental -L dependency=/Users/rex/nym/target/debug/deps --extern bs58=/Users/rex/nym/target/debug/deps/libbs58-8781077c0809a643.rmeta --extern crypto=/Users/rex/nym/target/debug/deps/libcrypto-89aadae1275909f2.rmeta --extern futures=/Users/rex/nym/target/debug/deps/libfutures-07f71501321c5f1d.rmeta --extern log=/Users/rex/nym/target/debug/deps/liblog-3f3a7bafc96d9436.rmeta --extern nymsphinx=/Users/rex/nym/target/debug/deps/libnymsphinx-84e2284b9b3cf24b.rmeta --extern pemstore=/Users/rex/nym/target/debug/deps/libpemstore-6a72abcb817f7fc7.rmeta --extern rand=/Users/rex/nym/target/debug/deps/librand-2c84c32739c6faf4.rmeta --extern serde=/Users/rex/nym/target/debug/deps/libserde-a63414a20bfdade5.rmeta --extern serde_json=/Users/rex/nym/target/debug/deps/libserde_json-0bd690e79db9d533.rmeta --extern tungstenite=/Users/rex/nym/target/debug/deps/libtungstenite-8757a3993f46104c.rmeta -L native=/Users/rex/nym/target/debug/build/blake3-42c8ddfa0ccf0ae9/out -L native=/Users/rex/nym/target/debug/build/blake3-42c8ddfa0ccf0ae9/out`
Running `rustc --crate-name mixnet_client --edition=2018 common/client-libs/mixnet-client/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 -C metadata=809579f5e855bee1 -C extra-filename=-809579f5e855bee1 --out-dir /Users/rex/nym/target/debug/deps -C incremental=/Users/rex/nym/target/debug/incremental -L dependency=/Users/rex/nym/target/debug/deps --extern futures=/Users/rex/nym/target/debug/deps/libfutures-07f71501321c5f1d.rmeta --extern log=/Users/rex/nym/target/debug/deps/liblog-3f3a7bafc96d9436.rmeta --extern nymsphinx=/Users/rex/nym/target/debug/deps/libnymsphinx-84e2284b9b3cf24b.rmeta --extern tokio=/Users/rex/nym/target/debug/deps/libtokio-69a5f77417100d1c.rmeta --extern tokio_util=/Users/rex/nym/target/debug/deps/libtokio_util-e2cdea7867848036.rmeta -L native=/Users/rex/nym/target/debug/build/blake3-42c8ddfa0ccf0ae9/out -L native=/Users/rex/nym/target/debug/build/blake3-42c8ddfa0ccf0ae9/out`
warning: Error finalizing incremental compilation session directory `/Users/rex/nym/target/debug/incremental/mixnet_client-1vszuqjmeoj84/s-fvhdemef5w-7jqjv6-working`: No such file or directory (os error 2)
warning: 1 warning emitted
error: internal compiler error: failed to process buffered lint here
--> common/client-libs/mixnet-client/src/forwarder.rs:71:17
|
71 | debug!("failed to forward the packet - {}", err)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: delayed at /rustc/04caa632dd10c2bf64b69524c7f9c4c30a436877/compiler/rustc_lint/src/early.rs:384:18
= note: this error: internal compiler error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:974:13
stack backtrace:
0: 0x11487614c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd841328aa7dc06cc
1: 0x1148da64d - core::fmt::write::hefe95a44532fe6ed
2: 0x114868566 - std::io::Write::write_fmt::haeb49d4f9ecd789d
3: 0x11487a019 - std::panicking::default_hook::{{closure}}::h465a961bccd4d390
4: 0x114879ba9 - std::panicking::default_hook::h7e189743c9acab0a
5: 0x10cb67b18 - rustc_driver::report_ice::h560f670b897314ed
6: 0x11487a7fe - std::panicking::rust_panic_with_hook::he74e9eac8174d6dd
7: 0x11487a305 - std::panicking::begin_panic_handler::{{closure}}::h122c1e0e85c150a9
8: 0x114876608 - std::sys_common::backtrace::__rust_end_short_backtrace::he103784f07f740ac
9: 0x11487a26a - _rust_begin_unwind
10: 0x11490225b - std::panicking::begin_panic_fmt::h9385c4006b676237
11: 0x1111601e6 - rustc_errors::HandlerInner::flush_delayed::ha814ae8fc66f459e
12: 0x11115c3cb - <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop::h604d573a9d19f76b
13: 0x10cbaad0d - core::ptr::drop_in_place<rustc_session::parse::ParseSess>::he1042ff96c3a2292
14: 0x10cbb19a8 - <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop::hbbedb60f235c87aa
15: 0x10cbac095 - core::ptr::drop_in_place<rustc_interface::interface::Compiler>::h32ce24398f080a07
16: 0x10cb970b1 - rustc_span::with_source_map::hb15b187d8726f95a
17: 0x10cb18ed4 - rustc_interface::interface::create_compiler_and_run::h676e33808641f5cb
18: 0x10cba3713 - std::sys_common::backtrace::__rust_begin_short_backtrace::h17f5da3f25073b11
19: 0x10cb429a9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h099c825c1a0d0ef5
20: 0x114887a0d - std::sys::unix::thread::Thread::new::thread_start::h23116ad77b076564
21: 0x7fff205bb950 - __pthread_start
error: internal compiler error: unexpected panic
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
note: rustc 1.51.0-nightly (04caa632d 2021-01-30) running on x86_64-apple-darwin
note: compiler flags: -C panic=abort -C embed-bitcode=no -C debuginfo=2 -C incremental --crate-type lib
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
end of query stack
error: could not compile `mixnet-client`
Caused by:
process didn't exit successfully: `rustc --crate-name mixnet_client --edition=2018 common/client-libs/mixnet-client/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C panic=abort -C embed-bitcode=no -C debuginfo=2 -C metadata=809579f5e855bee1 -C extra-filename=-809579f5e855bee1 --out-dir /Users/rex/nym/target/debug/deps -C incremental=/Users/rex/nym/target/debug/incremental -L dependency=/Users/rex/nym/target/debug/deps --extern futures=/Users/rex/nym/target/debug/deps/libfutures-07f71501321c5f1d.rmeta --extern log=/Users/rex/nym/target/debug/deps/liblog-3f3a7bafc96d9436.rmeta --extern nymsphinx=/Users/rex/nym/target/debug/deps/libnymsphinx-84e2284b9b3cf24b.rmeta --extern tokio=/Users/rex/nym/target/debug/deps/libtokio-69a5f77417100d1c.rmeta --extern tokio_util=/Users/rex/nym/target/debug/deps/libtokio_util-e2cdea7867848036.rmeta -L native=/Users/rex/nym/target/debug/build/blake3-42c8ddfa0ccf0ae9/out -L native=/Users/rex/nym/target/debug/build/blake3-42c8ddfa0ccf0ae9/out` (exit code: 101)
warning: build failed, waiting for other jobs to finish...
warning: Error finalizing incremental compilation session directory `/Users/rex/nym/target/debug/incremental/gateway_requests-bvflj9jxs0l4/s-fvhdemee3x-1dtkvdp-working`: No such file or directory (os error 2)
warning: 1 warning emitted
error: internal compiler error: failed to process buffered lint here
--> gateway/gateway-requests/src/registration/handshake/state.rs:213:39
|
213 | ... Err(_) => error!("Received a non-handshake message during the registration handshake! It's getting dropped."),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: delayed at /rustc/04caa632dd10c2bf64b69524c7f9c4c30a436877/compiler/rustc_lint/src/early.rs:384:18
= note: this error: internal compiler error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: internal compiler error: failed to process buffered lint here
--> gateway/gateway-requests/src/registration/handshake/state.rs:215:30
|
215 | _ => error!("Received non-text message during registration handshake"),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: delayed at /rustc/04caa632dd10c2bf64b69524c7f9c4c30a436877/compiler/rustc_lint/src/early.rs:384:18
= note: this error: internal compiler error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:974:13
stack backtrace:
0: 0x1014b414c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd841328aa7dc06cc
1: 0x10151864d - core::fmt::write::hefe95a44532fe6ed
2: 0x1014a6566 - std::io::Write::write_fmt::haeb49d4f9ecd789d
3: 0x1014b8019 - std::panicking::default_hook::{{closure}}::h465a961bccd4d390
4: 0x1014b7ba9 - std::panicking::default_hook::h7e189743c9acab0a
5: 0x1080bcb18 - rustc_driver::report_ice::h560f670b897314ed
6: 0x1014b87fe - std::panicking::rust_panic_with_hook::he74e9eac8174d6dd
7: 0x1014b8305 - std::panicking::begin_panic_handler::{{closure}}::h122c1e0e85c150a9
8: 0x1014b4608 - std::sys_common::backtrace::__rust_end_short_backtrace::he103784f07f740ac
9: 0x1014b826a - _rust_begin_unwind
10: 0x10154025b - std::panicking::begin_panic_fmt::h9385c4006b676237
11: 0x10c6b51e6 - rustc_errors::HandlerInner::flush_delayed::ha814ae8fc66f459e
12: 0x10c6b13cb - <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop::h604d573a9d19f76b
13: 0x1080ffd0d - core::ptr::drop_in_place<rustc_session::parse::ParseSess>::he1042ff96c3a2292
14: 0x1081069a8 - <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop::hbbedb60f235c87aa
15: 0x108101095 - core::ptr::drop_in_place<rustc_interface::interface::Compiler>::h32ce24398f080a07
16: 0x1080ec0b1 - rustc_span::with_source_map::hb15b187d8726f95a
17: 0x10806ded4 - rustc_interface::interface::create_compiler_and_run::h676e33808641f5cb
18: 0x1080f8713 - std::sys_common::backtrace::__rust_begin_short_backtrace::h17f5da3f25073b11
19: 0x1080979a9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h099c825c1a0d0ef5
20: 0x1014c5a0d - std::sys::unix::thread::Thread::new::thread_start::h23116ad77b076564
21: 0x7fff205bb950 - __pthread_start
error: internal compiler error: unexpected panic
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
note: rustc 1.51.0-nightly (04caa632d 2021-01-30) running on x86_64-apple-darwin
note: compiler flags: -C panic=abort -C embed-bitcode=no -C debuginfo=2 -C incremental --crate-type lib
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
end of query stack
error: build failed