[INFO] cloning repository https://github.com/guillotinaweb/librocksdb-sys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guillotinaweb/librocksdb-sys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillotinaweb%2Flibrocksdb-sys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillotinaweb%2Flibrocksdb-sys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af48c6fc3095c611adea7dd261b14e06ee28afc7
[INFO] checking guillotinaweb/librocksdb-sys against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillotinaweb%2Flibrocksdb-sys" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guillotinaweb/librocksdb-sys on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guillotinaweb/librocksdb-sys
[INFO] finished tweaking git repo https://github.com/guillotinaweb/librocksdb-sys
[INFO] tweaked toml for git repo https://github.com/guillotinaweb/librocksdb-sys written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/guillotinaweb/librocksdb-sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-cstr v0.3.0
[INFO] [stderr]   Downloaded cexpr v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] fa3811c21a42e9cc27bf255c7618047252cff94b6dc9c107c1ac83288eac373a
[INFO] running `Command { std: "docker" "start" "-a" "fa3811c21a42e9cc27bf255c7618047252cff94b6dc9c107c1ac83288eac373a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa3811c21a42e9cc27bf255c7618047252cff94b6dc9c107c1ac83288eac373a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3811c21a42e9cc27bf255c7618047252cff94b6dc9c107c1ac83288eac373a", kill_on_drop: false }`
[INFO] [stdout] fa3811c21a42e9cc27bf255c7618047252cff94b6dc9c107c1ac83288eac373a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0922ec0dc100accec4ffe144bdeb3f283fc8fb709db595e70e86f05d7987a870
[INFO] running `Command { std: "docker" "start" "-a" "0922ec0dc100accec4ffe144bdeb3f283fc8fb709db595e70e86f05d7987a870", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cexpr v0.3.3
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling librocksdb-sys v6.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `librocksdb-sys v6.1.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/librocksdb-sys-a07e1a186fe38ef3/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-changed=rocksdb/
[INFO] [stderr]   cargo:rerun-if-changed=snappy/
[INFO] [stderr]   cargo:rerun-if-changed=lz4/
[INFO] [stderr]   cargo:rerun-if-changed=zstd/
[INFO] [stderr]   cargo:rerun-if-changed=zlib/
[INFO] [stderr]   cargo:rerun-if-changed=bzip2/
[INFO] [stderr]   The `rocksdb` directory is empty, did you forget to pull the submodules?
[INFO] [stderr]   Try `git submodule update --init --recursive`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'explicit panic', build.rs:29:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56303e5e0240 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x56303e5e0240 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x56303e5e0240 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x56303e5e0240 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x56303e606aec - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x56303e5dc157 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x56303e5e2790 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x56303e5e2790 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x56303e5e2790 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x56303e5e24dc - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x56303e5e2df3 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x56303e45725c - std::panicking::begin_panic::{{closure}}::ha6b38e94d1b434f1
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x56303e457e19 - std::sys_common::backtrace::__rust_end_short_backtrace::h9ba79337e3e9f41f
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x56303e457187 - std::panicking::begin_panic::haa353d72d107b7a7
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x56303e03b31a - build_script_build::fail_on_empty_directory::h7f98446699fa1c3d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:29
[INFO] [stderr]     15:     0x56303e03c2f3 - build_script_build::main::h1fa65a5d76e1d580
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:283
[INFO] [stderr]     16:     0x56303e03ee2b - core::ops::function::FnOnce::call_once::h4f9141e7b9bf79f5
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:227
[INFO] [stderr]     17:     0x56303e03eb0e - std::sys_common::backtrace::__rust_begin_short_backtrace::h71b7eb76d0264424
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     18:     0x56303e03e1a1 - std::rt::lang_start::{{closure}}::h53e27492a57bc6d8
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:66
[INFO] [stderr]     19:     0x56303e5e32c1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:259
[INFO] [stderr]     20:     0x56303e5e32c1 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:381
[INFO] [stderr]     21:     0x56303e5e32c1 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:345
[INFO] [stderr]     22:     0x56303e5e32c1 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panic.rs:382
[INFO] [stderr]     23:     0x56303e5e32c1 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:51
[INFO] [stderr]     24:     0x56303e03e177 - std::rt::lang_start::ha482ee7e706290ac
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:65
[INFO] [stderr]     25:     0x56303e03c3ba - main
[INFO] [stderr]     26:     0x7f143a9cd0b3 - __libc_start_main
[INFO] [stderr]     27:     0x56303e03b0ce - _start
[INFO] [stderr]     28:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0922ec0dc100accec4ffe144bdeb3f283fc8fb709db595e70e86f05d7987a870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0922ec0dc100accec4ffe144bdeb3f283fc8fb709db595e70e86f05d7987a870", kill_on_drop: false }`
[INFO] [stdout] 0922ec0dc100accec4ffe144bdeb3f283fc8fb709db595e70e86f05d7987a870