[INFO] cloning repository https://github.com/readlnh/substrate_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/readlnh/substrate_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freadlnh%2Fsubstrate_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freadlnh%2Fsubstrate_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 838182d71a8b88817361936d2df6813835241c48
[INFO] documenting readlnh/substrate_demo against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freadlnh%2Fsubstrate_demo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/readlnh/substrate_demo on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/readlnh/substrate_demo
[INFO] finished tweaking git repo https://github.com/readlnh/substrate_demo
[INFO] tweaked toml for git repo https://github.com/readlnh/substrate_demo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/readlnh/substrate_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d005b94374efd084ff4397b73345352ab024f9a290a076ee1a84e35a80031a41
[INFO] running `Command { std: "docker" "start" "-a" "d005b94374efd084ff4397b73345352ab024f9a290a076ee1a84e35a80031a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d005b94374efd084ff4397b73345352ab024f9a290a076ee1a84e35a80031a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d005b94374efd084ff4397b73345352ab024f9a290a076ee1a84e35a80031a41", kill_on_drop: false }`
[INFO] [stdout] d005b94374efd084ff4397b73345352ab024f9a290a076ee1a84e35a80031a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbde9c409b6c0596733de2be572a09ec978eb6bc521964414630a4825295e39f
[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" "fbde9c409b6c0596733de2be572a09ec978eb6bc521964414630a4825295e39f", kill_on_drop: false }`
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]    Compiling srml-support-procedural v1.0.0 (https://github.com/paritytech/substrate.git?rev=cc1d67e973fd02c0c997b164ba516cf041bf21f1#cc1d67e9)
[INFO] [stderr]    Compiling demo v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling librocksdb-sys v5.18.3
[INFO] [stderr]     Checking libp2p v0.7.0
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking fork-tree v1.0.0 (https://github.com/paritytech/substrate.git?rev=cc1d67e973fd02c0c997b164ba516cf041bf21f1#cc1d67e9)
[INFO] [stderr]     Checking primitive-types v0.2.4
[INFO] [stderr] thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1050:13
[INFO] [stdout] error: internal compiler error: unexpected concrete region in borrowck: ReStatic
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-0.7.0/src/lib.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 237 | / pub fn build_tcp_ws_secio_mplex_yamux(keypair: identity::Keypair)
[INFO] [stdout] 238 | |     -> impl Transport<Output = (PeerId, impl core::muxing::StreamMuxer<OutboundSubstream = impl Send, Substream = impl Send> + Send + Syn...
[INFO] [stdout] 239 | | {
[INFO] [stdout] 240 | |     CommonTransport::new()
[INFO] [stdout] ...   |
[INFO] [stdout] 253 | |         .with_timeout(Duration::from_secs(20))
[INFO] [stdout] 254 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: delayed at compiler/rustc_mir/src/borrow_check/region_infer/opaque_types.rs:87:44
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f05ddeddb00 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7f05ddeddb00 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f05ddeddb00 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f05ddeddb00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f05ddf4b63c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]    5:     0x7f05ddecf3e5 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]    6:     0x7f05ddee181b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f05ddee181b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f05ddee181b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7f05ddee12f1 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7f05de6bb531 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::he0fb23ee363efe57
[INFO] [stderr]   11:     0x7f05ddee2049 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:626:17
[INFO] [stderr]   12:     0x7f05ddee1b07 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stderr]   13:     0x7f05ddeddfdc - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   14:     0x7f05ddee1a69 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stderr]   15:     0x7f05ddeaaa6b - std::panicking::begin_panic_fmt::h746518bde832d259
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:457:5
[INFO] [stderr]   16:     0x7f05e0b1f1a9 - rustc_errors::HandlerInner::flush_delayed::h68abfe220c70dca1
[INFO] [stderr]   17:     0x7f05e0b1dc0d - <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop::hd769a4292ac9bfa2
[INFO] [stderr]   18:     0x7f05e01d28d6 - core::ptr::drop_in_place<rustc_session::parse::ParseSess>::h3c16055fae7b64de
[INFO] [stderr]   19:     0x7f05e01d4a1e - <alloc::rc::Rc<T> as core::ops::drop::Drop>::drop::ha02c0db4efb40d0e
[INFO] [stderr]   20:     0x7f05e01a9cfd - core::ptr::drop_in_place<rustc_interface::interface::Compiler>::h4b986457436dbab5
[INFO] [stderr]   21:     0x7f05e01a92e3 - rustc_span::with_source_map::h46995da78fbfb2ca
[INFO] [stderr]   22:     0x7f05e01babca - rustc_interface::interface::create_compiler_and_run::hdd0d8e5ea2028f60
[INFO] [stderr]   23:     0x7f05e01adc49 - scoped_tls::ScopedKey<T>::set::h4889fb0c1fafdd05
[INFO] [stderr]   24:     0x7f05e01aa66a - std::sys_common::backtrace::__rust_begin_short_backtrace::h78e9a1a2353d1913
[INFO] [stderr]   25:     0x7f05e01a9ab5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb838edfbc6ca2ea1
[INFO] [stderr]   26:     0x7f05ddeee5d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   27:     0x7f05ddeee5d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stderr]   28:     0x7f05ddeee5d7 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stderr]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stderr]   29:     0x7f05dde0a609 - start_thread
[INFO] [stderr]   30:     0x7f05ddd1e293 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] 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
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.55.0-beta.3 (53fd98ca7 2021-07-31) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `libp2p`
[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: 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] warning: In file included from rocksdb/db/range_del_aggregator.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/merge_helper.h:14,
[INFO] [stderr] warning:                  from rocksdb/db/merge_helper.cc:6:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice, rocksdb::FileMetaData*)':
[INFO] [stderr] warning: rocksdb/db/version_edit.h:178:33: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   178 |         largest_key(_largest_key) {}
[INFO] [stderr] warning:       |                                 ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: In file included from rocksdb/db/memtable.h:21,
[INFO] [stderr] warning:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice, rocksdb::FileMetaData*)':
[INFO] [stderr] warning: rocksdb/db/version_edit.h:178:33: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   178 |         largest_key(_largest_key) {}
[INFO] [stderr] warning:       |                                 ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: In file included from rocksdb/db/memtable.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/memtable_list.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning:                  from rocksdb/db/event_helpers.cc:6:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice, rocksdb::FileMetaData*)':
[INFO] [stderr] warning: rocksdb/db/version_edit.h:178:33: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   178 |         largest_key(_largest_key) {}
[INFO] [stderr] warning:       |                                 ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: In file included from rocksdb/db/memtable.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/memtable_list.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning:                  from rocksdb/utilities/blob_db/blob_file.cc:19:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice, rocksdb::FileMetaData*)':
[INFO] [stderr] warning: rocksdb/db/version_edit.h:178:33: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   178 |         largest_key(_largest_key) {}
[INFO] [stderr] warning:       |                                 ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from rocksdb/db/range_del_aggregator.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/merge_helper.h:14,
[INFO] [stderr] warning:                  from rocksdb/table/get_context.cc:7:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice, rocksdb::FileMetaData*)':
[INFO] [stderr] warning: rocksdb/db/version_edit.h:178:33: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   178 |         largest_key(_largest_key) {}
[INFO] [stderr] warning:       |                                 ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from rocksdb/db/memtable.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/memtable_list.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/write_thread.cc:9:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice, rocksdb::FileMetaData*)':
[INFO] [stderr] warning: rocksdb/db/version_edit.h:178:33: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:   178 |         largest_key(_largest_key) {}
[INFO] [stderr] warning:       |                                 ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: /usr/include/c++/9/ext/new_allocator.h:147:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/alloc_traits.h:484:4:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: rocksdb/db/version_edit.h:249:48:   required from here
[INFO] [stderr] warning: rocksdb/db/version_edit.h:86:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:    86 | struct FileMetaData {
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
[INFO] [stderr] warning:                  from /usr/include/c++/9/bits/char_traits.h:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/string:40,
[INFO] [stderr] warning:                  from rocksdb/table/get_context.h:7,
[INFO] [stderr] warning:                  from rocksdb/table/get_context.cc:6:
[INFO] [stderr] warning: /usr/include/c++/9/bits/stl_pair.h:342:64: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning:   342 |  : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning:       |                                                                ^
[INFO] [stderr] warning: In file included from rocksdb/db/range_del_aggregator.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/merge_helper.h:14,
[INFO] [stderr] warning:                  from rocksdb/table/get_context.cc:7:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: /usr/include/c++/9/ext/new_allocator.h:147:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/alloc_traits.h:484:4:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: rocksdb/db/version_edit.h:254:37:   required from here
[INFO] [stderr] warning: rocksdb/db/version_edit.h:86:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:    86 | struct FileMetaData {
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
[INFO] [stderr] warning:                  from /usr/include/c++/9/bits/char_traits.h:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/string:40,
[INFO] [stderr] warning:                  from rocksdb/table/get_context.h:7,
[INFO] [stderr] warning:                  from rocksdb/table/get_context.cc:6:
[INFO] [stderr] warning: /usr/include/c++/9/bits/stl_pair.h:312:51: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning:   312 |        : first(std::forward<_U1>(__x)), second(__y) { }
[INFO] [stderr] warning:       |                                                   ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: /usr/include/c++/9/ext/new_allocator.h:147:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/alloc_traits.h:484:4:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: rocksdb/db/version_edit.h:249:48:   required from here
[INFO] [stderr] warning: rocksdb/db/version_edit.h:86:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:    86 | struct FileMetaData {
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
[INFO] [stderr] warning:                  from /usr/include/c++/9/bits/char_traits.h:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/string:40,
[INFO] [stderr] warning:                  from /usr/include/c++/9/stdexcept:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/system_error:41,
[INFO] [stderr] warning:                  from /usr/include/c++/9/bits/std_mutex.h:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/condition_variable:39,
[INFO] [stderr] warning:                  from rocksdb/db/write_thread.h:12,
[INFO] [stderr] warning:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: /usr/include/c++/9/bits/stl_pair.h:342:64: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning:   342 |  : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning:       |                                                                ^
[INFO] [stderr] warning: In file included from rocksdb/db/memtable.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/memtable_list.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/write_thread.cc:9:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: /usr/include/c++/9/ext/new_allocator.h:147:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/alloc_traits.h:484:4:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: rocksdb/db/version_edit.h:254:37:   required from here
[INFO] [stderr] warning: rocksdb/db/version_edit.h:86:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:    86 | struct FileMetaData {
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
[INFO] [stderr] warning:                  from /usr/include/c++/9/bits/char_traits.h:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/string:40,
[INFO] [stderr] warning:                  from /usr/include/c++/9/stdexcept:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/system_error:41,
[INFO] [stderr] warning:                  from /usr/include/c++/9/bits/std_mutex.h:39,
[INFO] [stderr] warning:                  from /usr/include/c++/9/condition_variable:39,
[INFO] [stderr] warning:                  from rocksdb/db/write_thread.h:12,
[INFO] [stderr] warning:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: /usr/include/c++/9/bits/stl_pair.h:312:51: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning:   312 |        : first(std::forward<_U1>(__x)), second(__y) { }
[INFO] [stderr] warning:       |                                                   ^
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: /usr/include/c++/9/ext/new_allocator.h:147:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/alloc_traits.h:484:4:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: rocksdb/db/version_edit.h:249:48:   required from here
[INFO] [stderr] warning: rocksdb/db/version_edit.h:86:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:    86 | struct FileMetaData {
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
[INFO] [stderr] warning:                  from /usr/include/c++/9/memory:62,
[INFO] [stderr] warning:                  from rocksdb/utilities/blob_db/blob_file.h:9,
[INFO] [stderr] warning:                  from rocksdb/utilities/blob_db/blob_file.cc:6:
[INFO] [stderr] warning: /usr/include/c++/9/bits/stl_pair.h:342:64: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning:   342 |  : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning:       |                                                                ^
[INFO] [stderr] warning: In file included from rocksdb/db/memtable.h:21,
[INFO] [stderr] warning:                  from rocksdb/db/memtable_list.h:17,
[INFO] [stderr] warning:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning:                  from rocksdb/utilities/blob_db/blob_file.cc:19:
[INFO] [stderr] warning: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: /usr/include/c++/9/ext/new_allocator.h:147:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/alloc_traits.h:484:4:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: /usr/include/c++/9/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: rocksdb/db/version_edit.h:254:37:   required from here
[INFO] [stderr] warning: rocksdb/db/version_edit.h:86:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning:    86 | struct FileMetaData {
[INFO] [stderr] warning:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: rocksdb/db/version_edit.h:55:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning:    55 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning:       |                   ^~~~~~~~
[INFO] [stderr] warning: In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
[INFO] [stderr] warning:                  from /usr/include/c++/9/memory:62,
[INFO] [stderr] warning:                  from rocksdb/utilities/blob_db/blob_file.h:9,
[INFO] [stderr] warning:                  from rocksdb/utilities/blob_db/blob_file.cc:6:
[INFO] [stderr] warning: /usr/include/c++/9/bits/stl_pair.h:312:51: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning:   312 |        : first(std::forward<_U1>(__x)), second(__y) { }
[INFO] [stderr] warning:       |                                                   ^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fbde9c409b6c0596733de2be572a09ec978eb6bc521964414630a4825295e39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbde9c409b6c0596733de2be572a09ec978eb6bc521964414630a4825295e39f", kill_on_drop: false }`
[INFO] [stdout] fbde9c409b6c0596733de2be572a09ec978eb6bc521964414630a4825295e39f
