[INFO] fetching crate bridge_lmdb 0.1.0...
[INFO] checking bridge_lmdb-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate bridge_lmdb 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bridge_lmdb 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bridge_lmdb 0.1.0
[INFO] finished tweaking crates.io crate bridge_lmdb 0.1.0
[INFO] tweaked toml for crates.io crate bridge_lmdb 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lmdb-rs v0.7.6
[INFO] [stderr]   Downloaded rustler v0.21.1
[INFO] [stderr]   Downloaded rustler_codegen v0.21.1
[INFO] [stderr]   Downloaded rustler_sys v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 96acc6b7ff01bc7948a66dc9de4ccd02aa26b8092e95f429407ef7ec9a2b7365
[INFO] running `Command { std: "docker" "start" "-a" "96acc6b7ff01bc7948a66dc9de4ccd02aa26b8092e95f429407ef7ec9a2b7365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96acc6b7ff01bc7948a66dc9de4ccd02aa26b8092e95f429407ef7ec9a2b7365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96acc6b7ff01bc7948a66dc9de4ccd02aa26b8092e95f429407ef7ec9a2b7365", kill_on_drop: false }`
[INFO] [stdout] 96acc6b7ff01bc7948a66dc9de4ccd02aa26b8092e95f429407ef7ec9a2b7365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4162298e76a200d3c9464f33acf31f18a8a504043d629b350f939dcef5db1fd0
[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" "4162298e76a200d3c9464f33acf31f18a8a504043d629b350f939dcef5db1fd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rustler_sys v2.1.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rustler_codegen v0.21.1
[INFO] [stderr]     Checking lmdb-rs v0.7.6
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rustler v0.21.1
[INFO] [stderr] error: failed to run custom build command for `rustler v0.21.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustler-c9473b6544f6e99b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'expected to find 'erl' executable: Error { inner:    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46:44
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121:35
[INFO] [stderr]      2: failure::context::Context<D>::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/context.rs:84:40
[INFO] [stderr]      3: <which::error::Error as core::convert::From<which::error::ErrorKind>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/error.rs:59:20
[INFO] [stderr]      4: <T as core::convert::Into<U>>::into
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/convert/mod.rs:542:9
[INFO] [stderr]      5: which::finder::Finder::find
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/finder.rs:85:20
[INFO] [stderr]      6: which::which_in
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs:83:5
[INFO] [stderr]      7: which::which
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs:67:5
[INFO] [stderr]      8: build_script_build::get_version_from_erl
[INFO] [stderr]                at build.rs:28:15
[INFO] [stderr]      9: build_script_build::main
[INFO] [stderr]                at build.rs:21:19
[INFO] [stderr]     10: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     11: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     12: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:145:18
[INFO] [stderr]     13: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:406:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:370:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panic.rs:133:14
[INFO] [stderr]         std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:128:48
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:406:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:370:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panic.rs:133:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:128:20
[INFO] [stderr]     14: std::rt::lang_start
[INFO] [stderr]                at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:144:17
[INFO] [stderr]     15: main
[INFO] [stderr]     16: __libc_start_main
[INFO] [stderr]     17: _start
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Cannot find binary path }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28:28
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561ebe01cdfc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x561ebe01cdfc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x561ebe01cdfc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x561ebe01cdfc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x561ebe03a7fc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x561ebe019685 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x561ebe01e630 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561ebe01e630 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561ebe01e630 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x561ebe01e1db - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x561ebe01ece4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x561ebe01e7c0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x561ebe01d2b4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x561ebe01e729 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x561ebdf0a1d1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x561ebdf0a263 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x561ebdf19819 - core::result::Result<T,E>::expect::h55530725ad1004be
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x561ebdf0ccc9 - build_script_build::get_version_from_erl::he79cdf8a9e179b71
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28:15
[INFO] [stderr]     18:     0x561ebdf0cbd2 - build_script_build::main::h4dc94096f2073818
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:21:19
[INFO] [stderr]     19:     0x561ebdf15fbb - core::ops::function::FnOnce::call_once::h7fb94b349791f782
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x561ebdf1903e - std::sys_common::backtrace::__rust_begin_short_backtrace::he456f268a0bb22f7
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     21:     0x561ebdf190d1 - std::rt::lang_start::{{closure}}::hdb561ab944954355
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x561ebe01c641 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x561ebe01c641 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:406:40
[INFO] [stderr]     24:     0x561ebe01c641 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:370:19
[INFO] [stderr]     25:     0x561ebe01c641 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x561ebe01c641 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x561ebe01c641 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:406:40
[INFO] [stderr]     28:     0x561ebe01c641 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:370:19
[INFO] [stderr]     29:     0x561ebe01c641 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x561ebe01c641 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x561ebdf190a0 - std::rt::lang_start::hd3134691f08fffb4
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x561ebdf0d4ec - main
[INFO] [stderr]     33:     0x7fbdc4a910b3 - __libc_start_main
[INFO] [stderr]     34:     0x561ebdf0a8ce - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4162298e76a200d3c9464f33acf31f18a8a504043d629b350f939dcef5db1fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4162298e76a200d3c9464f33acf31f18a8a504043d629b350f939dcef5db1fd0", kill_on_drop: false }`
[INFO] [stdout] 4162298e76a200d3c9464f33acf31f18a8a504043d629b350f939dcef5db1fd0