[INFO] cloning repository https://github.com/romanz/rust-rocksdb-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romanz/rust-rocksdb-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanz%2Frust-rocksdb-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanz%2Frust-rocksdb-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 203e7530c48281185cee6d148fa06032595eb2cc
[INFO] checking romanz/rust-rocksdb-test against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromanz%2Frust-rocksdb-test" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romanz/rust-rocksdb-test on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romanz/rust-rocksdb-test
[INFO] finished tweaking git repo https://github.com/romanz/rust-rocksdb-test
[INFO] tweaked toml for git repo https://github.com/romanz/rust-rocksdb-test written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/romanz/rust-rocksdb-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded electrs-rocksdb v0.15.0-e2
[INFO] [stderr]   Downloaded electrs-librocksdb-sys v6.11.4-e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23fc03e74dee8cd4664b6798fdb19dab847a9fd4f8e9f31e4f0d529339368bc1
[INFO] running `Command { std: "docker" "start" "-a" "23fc03e74dee8cd4664b6798fdb19dab847a9fd4f8e9f31e4f0d529339368bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23fc03e74dee8cd4664b6798fdb19dab847a9fd4f8e9f31e4f0d529339368bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fc03e74dee8cd4664b6798fdb19dab847a9fd4f8e9f31e4f0d529339368bc1", kill_on_drop: false }`
[INFO] [stdout] 23fc03e74dee8cd4664b6798fdb19dab847a9fd4f8e9f31e4f0d529339368bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 771c7312480d19f07041419c51ac4a9756c72709dc2fb8c660d39f59975722d2
[INFO] running `Command { std: "docker" "start" "-a" "771c7312480d19f07041419c51ac4a9756c72709dc2fb8c660d39f59975722d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling electrs-librocksdb-sys v6.11.4-e2
[INFO] [stderr] error: failed to run custom build command for `electrs-librocksdb-sys v6.11.4-e2`
[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/electrs-librocksdb-sys-81bed609e77cb58a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.29/src/fallback.rs:702:9:
[INFO] [stderr]   "enum_(unnamed_at_rocksdb/include/rocksdb/c_h_722_1)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a6352a4d912 - std::backtrace_rs::backtrace::libunwind::trace::h524d9370a90f02f6
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a6352a4d912 - std::backtrace_rs::backtrace::trace_unsynchronized::h63c7cdf70cc6c085
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a6352a4d912 - std::sys::backtrace::_print_fmt::haa5331f869c726ef
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5a6352a4d912 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd3ce9c6a4d42b6aa
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5a6352a75c43 - core::fmt::rt::Argument::fmt::h92b13f7de3568128
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/core/src/fmt/rt.rs:153:76
[INFO] [stderr]      5:     0x5a6352a75c43 - core::fmt::write::h8707330cd7ba917f
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/core/src/fmt/mod.rs:1481:21
[INFO] [stderr]      6:     0x5a6352a49de3 - std::io::default_write_fmt::h3b5910c253b4991f
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a6352a49de3 - std::io::Write::write_fmt::h1a22894be1f4836e
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x5a6352a4d762 - std::sys::backtrace::BacktraceLock::print::h7b160fecf73b214a
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5a6352a4f502 - std::panicking::default_hook::{{closure}}::hc33e90668fd0cf96
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x5a6352a4f305 - std::panicking::default_hook::h94afe2e59676a3f3
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5a6352a4ff22 - std::panicking::rust_panic_with_hook::h0b5a156d3804624c
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5a6352a4fcaa - std::panicking::begin_panic_handler::{{closure}}::h0af7ddcf833a99ce
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5a6352a4de09 - std::sys::backtrace::__rust_end_short_backtrace::h9b7701bde6fde8ff
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5a6352a4f93d - __rustc[c8b8edc189cc3201]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5a6352a73fa0 - core::panicking::panic_fmt::h6ed32bf2f16b1ff7
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5a6352a22eaf - proc_macro2::fallback::validate_ident::h9d70e3cfe7390da6
[INFO] [stderr]     17:     0x5a6352a22c31 - proc_macro2::fallback::Ident::_new::h753d23317d6a6327
[INFO] [stderr]     18:     0x5a6352a22c8f - proc_macro2::fallback::Ident::new::he71531a0be526374
[INFO] [stderr]     19:     0x5a6352a136f8 - proc_macro2::Ident::new::ha7c74fcf1b032630
[INFO] [stderr]     20:     0x5a63528217e5 - bindgen::ir::context::BindgenContext::rust_ident_raw::h154093e173520aad
[INFO] [stderr]     21:     0x5a6352821750 - bindgen::ir::context::BindgenContext::rust_ident::hc745e1edffc43316
[INFO] [stderr]     22:     0x5a6352774ba7 - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::hc56070f3857372d8
[INFO] [stderr]     23:     0x5a6352771c27 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h6574d17c79abcbbe
[INFO] [stderr]     24:     0x5a63528345bd - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h887b9063e7713cda
[INFO] [stderr]     25:     0x5a63527d53b5 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::he040f2a0ae28a938
[INFO] [stderr]     26:     0x5a63527fa665 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::hdd15bce49a1b7ce8
[INFO] [stderr]     27:     0x5a635283459f - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h887b9063e7713cda
[INFO] [stderr]     28:     0x5a63527de177 - bindgen::codegen::codegen::{{closure}}::ha4c28778d9b3c503
[INFO] [stderr]     29:     0x5a6352823ea8 - bindgen::ir::context::BindgenContext::gen::hbff8da1afac33ad5
[INFO] [stderr]     30:     0x5a63527ddcfd - bindgen::codegen::codegen::haf813f1631962337
[INFO] [stderr]     31:     0x5a6352869cf6 - bindgen::Bindings::generate::ha21c0adcd37986f9
[INFO] [stderr]     32:     0x5a6352867530 - bindgen::Builder::generate::hb3836fbf98323742
[INFO] [stderr]     33:     0x5a635270903c - build_script_build::bindgen_rocksdb::hef67a116236abe34
[INFO] [stderr]     34:     0x5a635270b4bc - build_script_build::main::h758d36ad9d5f0ca8
[INFO] [stderr]     35:     0x5a6352705bc3 - core::ops::function::FnOnce::call_once::h96d98e2a3806ecdd
[INFO] [stderr]     36:     0x5a6352705a26 - std::sys::backtrace::__rust_begin_short_backtrace::h7f49e44cfbaaf627
[INFO] [stderr]     37:     0x5a6352705929 - std::rt::lang_start::{{closure}}::h24b6ac3cfdd2415d
[INFO] [stderr]     38:     0x5a6352a44ee0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h87de084fe9dca0ed
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     39:     0x5a6352a44ee0 - std::panicking::try::do_call::h69ab5d78c6b152fe
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:589:40
[INFO] [stderr]     40:     0x5a6352a44ee0 - std::panicking::try::hf8aa71c6f06160fc
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:552:19
[INFO] [stderr]     41:     0x5a6352a44ee0 - std::panic::catch_unwind::had4fbb25a33811af
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panic.rs:359:14
[INFO] [stderr]     42:     0x5a6352a44ee0 - std::rt::lang_start_internal::{{closure}}::h2eb3238e707de5a1
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/rt.rs:168:24
[INFO] [stderr]     43:     0x5a6352a44ee0 - std::panicking::try::do_call::hc3dc8a2f8739d480
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:589:40
[INFO] [stderr]     44:     0x5a6352a44ee0 - std::panicking::try::h662a9c5c736a118c
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panicking.rs:552:19
[INFO] [stderr]     45:     0x5a6352a44ee0 - std::panic::catch_unwind::h2dcaa54f91b3d2da
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/panic.rs:359:14
[INFO] [stderr]     46:     0x5a6352a44ee0 - std::rt::lang_start_internal::h951cba1c11a9e1c4
[INFO] [stderr]                                  at /rustc/18a029cfe8e761533634bda8fe8a14e30280a21b/library/std/src/rt.rs:164:5
[INFO] [stderr]     47:     0x5a6352705911 - std::rt::lang_start::h650d4644bd783247
[INFO] [stderr]     48:     0x5a635270b845 - main
[INFO] [stderr]     49:     0x7ebaeaf3f1ca - <unknown>
[INFO] [stderr]     50:     0x7ebaeaf3f28b - __libc_start_main
[INFO] [stderr]     51:     0x5a6352704105 - _start
[INFO] [stderr]     52:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "771c7312480d19f07041419c51ac4a9756c72709dc2fb8c660d39f59975722d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771c7312480d19f07041419c51ac4a9756c72709dc2fb8c660d39f59975722d2", kill_on_drop: false }`
[INFO] [stdout] 771c7312480d19f07041419c51ac4a9756c72709dc2fb8c660d39f59975722d2