[INFO] fetching crate fbnc 0.2.10...
[INFO] testing fbnc-0.2.10 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate fbnc 0.2.10 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fbnc 0.2.10
[INFO] finished tweaking crates.io crate fbnc 0.2.10
[INFO] tweaked toml for crates.io crate fbnc 0.2.10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fbnc 0.2.10 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rocksdb v0.17.0 (available: v0.24.0)
[INFO] [stderr]       Adding ruc v1.0.8 (available: v8.1.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruc v1.0.8
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded csv-core v0.1.13
[INFO] [stderr]   Downloaded rocksdb v0.17.0
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded bindgen v0.59.2
[INFO] [stderr]   Downloaded csv v1.4.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 108d8e5809a50dcd1b41f09cd6dbca6e4504733478315b1bb25cae54eed4003c
[INFO] running `Command { std: "docker" "start" "-a" "108d8e5809a50dcd1b41f09cd6dbca6e4504733478315b1bb25cae54eed4003c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "108d8e5809a50dcd1b41f09cd6dbca6e4504733478315b1bb25cae54eed4003c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108d8e5809a50dcd1b41f09cd6dbca6e4504733478315b1bb25cae54eed4003c", kill_on_drop: false }`
[INFO] [stdout] 108d8e5809a50dcd1b41f09cd6dbca6e4504733478315b1bb25cae54eed4003c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edfacac0cfd99006cbf14f76f33c6372dafe7df94ae9818a47febb49c2246b6f
[INFO] running `Command { std: "docker" "start" "-a" "edfacac0cfd99006cbf14f76f33c6372dafe7df94ae9818a47febb49c2246b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ruc v1.0.8
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling librocksdb-sys v6.20.3
[INFO] [stderr] error: failed to run custom build command for `librocksdb-sys v6.20.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/librocksdb-sys-970637c9ede59d80/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (486) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bindgen-0.59.2/src/ir/context.rs:878:9:
[INFO] [stderr]   "enum_(unnamed_at_rocksdb/include/rocksdb/c_h_854_1)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ccc5821c402 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ccc5821c402 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ccc5821c402 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ccc5821c402 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5ccc5822e0cf - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5ccc5822e0cf - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5ccc581e6113 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ccc581e6113 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5ccc581f3512 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5ccc581f8e1f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5ccc581f8c79 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5ccc581f94a5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5ccc581f928a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5ccc581f3659 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5ccc581da1cd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5ccc582382f0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ccc581b5f4f - proc_macro2::fallback::validate_ident::h16ef3196cb46e73f
[INFO] [stderr]     17:     0x5ccc581b6678 - proc_macro2::fallback::Ident::new_checked::h6d99f6b34b425f44
[INFO] [stderr]     18:     0x5ccc581c2ab2 - proc_macro2::imp::Ident::new_checked::h22a89c267c722649
[INFO] [stderr]     19:     0x5ccc581c34a7 - proc_macro2::Ident::new::ha33cf902d2315704
[INFO] [stderr]     20:     0x5ccc57f25c86 - bindgen::ir::context::BindgenContext::rust_ident_raw::h1be4e341b68c63b2
[INFO] [stderr]     21:     0x5ccc57f23ba0 - bindgen::ir::context::BindgenContext::rust_ident::hde40e3cc0ce00ecf
[INFO] [stderr]     22:     0x5ccc57f70cce - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::h2bd56e54a898aad0
[INFO] [stderr]     23:     0x5ccc57f69486 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::hee0bfa6f147778e0
[INFO] [stderr]     24:     0x5ccc57f5056d - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hba38383c4a844639
[INFO] [stderr]     25:     0x5ccc57eb1955 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::hb908be480ccc3784
[INFO] [stderr]     26:     0x5ccc57fa0f75 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::hba9fd37c6f7e9115
[INFO] [stderr]     27:     0x5ccc57f50552 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hba38383c4a844639
[INFO] [stderr]     28:     0x5ccc57ebdb18 - bindgen::codegen::codegen::{{closure}}::h5efc8fd5bbca5d17
[INFO] [stderr]     29:     0x5ccc57f304e8 - bindgen::ir::context::BindgenContext::gen::h9d2b984a8a704d92
[INFO] [stderr]     30:     0x5ccc57ebd42d - bindgen::codegen::codegen::h763908a68bbef11c
[INFO] [stderr]     31:     0x5ccc57fb2685 - bindgen::Bindings::generate::h22c9ef11a58eb74f
[INFO] [stderr]     32:     0x5ccc57faf62f - bindgen::Builder::generate::h33bf0c096aa3f69b
[INFO] [stderr]     33:     0x5ccc57ddd0e4 - build_script_build::bindgen_rocksdb::h9f6a6977841afd05
[INFO] [stderr]     34:     0x5ccc57dde21c - build_script_build::main::h3310284a452ec60c
[INFO] [stderr]     35:     0x5ccc57ddf533 - core::ops::function::FnOnce::call_once::hc116988a5d7b34cc
[INFO] [stderr]     36:     0x5ccc57ddf3e6 - std::sys::backtrace::__rust_begin_short_backtrace::h61636391cbd5d269
[INFO] [stderr]     37:     0x5ccc57ddf359 - std::rt::lang_start::{{closure}}::hb8d33804dcfaff2c
[INFO] [stderr]     38:     0x5ccc581e7dc0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     39:     0x5ccc581e7dc0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     40:     0x5ccc581e7dc0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     41:     0x5ccc581e7dc0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     42:     0x5ccc581e7dc0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]     43:     0x5ccc581e7dc0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     44:     0x5ccc581e7dc0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     45:     0x5ccc581e7dc0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     46:     0x5ccc581e7dc0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]     47:     0x5ccc57ddf341 - std::rt::lang_start::h9228d26d97323d16
[INFO] [stderr]     48:     0x5ccc57de2185 - main
[INFO] [stderr]     49:     0x7bdaa57031ca - <unknown>
[INFO] [stderr]     50:     0x7bdaa570328b - __libc_start_main
[INFO] [stderr]     51:     0x5ccc57ddaad5 - _start
[INFO] [stderr]     52:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "edfacac0cfd99006cbf14f76f33c6372dafe7df94ae9818a47febb49c2246b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfacac0cfd99006cbf14f76f33c6372dafe7df94ae9818a47febb49c2246b6f", kill_on_drop: false }`
[INFO] [stdout] edfacac0cfd99006cbf14f76f33c6372dafe7df94ae9818a47febb49c2246b6f