[INFO] crate bridge_lmdb 0.1.0 is already in cache
[INFO] checking bridge_lmdb-0.1.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate bridge_lmdb 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bridge_lmdb 0.1.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a91b03c495baa4452d08d987cdd44660d17fc93adce9d4f7228b7d3b75f78de2
[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" "a91b03c495baa4452d08d987cdd44660d17fc93adce9d4f7228b7d3b75f78de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91b03c495baa4452d08d987cdd44660d17fc93adce9d4f7228b7d3b75f78de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91b03c495baa4452d08d987cdd44660d17fc93adce9d4f7228b7d3b75f78de2", kill_on_drop: false }`
[INFO] [stdout] a91b03c495baa4452d08d987cdd44660d17fc93adce9d4f7228b7d3b75f78de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d94036c4bbf153b304d940ea9edd81e026a7f99df068afc091185346fee2c358
[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" "d94036c4bbf153b304d940ea9edd81e026a7f99df068afc091185346fee2c358", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustler_sys v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rustler v0.21.1
[INFO] [stderr]     Checking lmdb-rs v0.7.6
[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-74def04e15028621/build-script-build` (exit code: 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
[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
[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
[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
[INFO] [stderr]    4: <T as core::convert::Into<U>>::into
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libcore/convert/mod.rs:560
[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
[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
[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
[INFO] [stderr]    8: build_script_build::get_version_from_erl
[INFO] [stderr]              at build.rs:28
[INFO] [stderr]    9: build_script_build::main
[INFO] [stderr]              at build.rs:21
[INFO] [stderr]   10: std::rt::lang_start::{{closure}}
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:67
[INFO] [stderr]   11: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/panicking.rs:296
[INFO] [stderr]       std::panicking::try
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/panicking.rs:273
[INFO] [stderr]       std::panic::catch_unwind
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:51
[INFO] [stderr]   12: std::rt::lang_start
[INFO] [stderr]              at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:67
[INFO] [stderr]   13: main
[INFO] [stderr]   14: __libc_start_main
[INFO] [stderr]   15: _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:     0x559b94c5af25 - backtrace::backtrace::libunwind::trace::h34afbfad7fd770fc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x559b94c5af25 - backtrace::backtrace::trace_unsynchronized::h460d522b1619a600
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x559b94c5af25 - std::sys_common::backtrace::_print_fmt::ha45fac10086813b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x559b94c5af25 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hde84f63fcfd0e6de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x559b94c7ddcc - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x559b94c58413 - std::io::Write::write_fmt::hc344eafd6e850b4d
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x559b94c5d480 - std::sys_common::backtrace::_print::h4db88ff15cb5d61d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x559b94c5d480 - std::sys_common::backtrace::print::h5fc39e1b1f610bd3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x559b94c5d480 - std::panicking::default_hook::{{closure}}::h59e55edacb1d974a
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x559b94c5d1cc - std::panicking::default_hook::heee4c8016dfbf328
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x559b94c5dab7 - std::panicking::rust_panic_with_hook::h8405b6301c79fb5a
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x559b94c5d6bb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x559b94c7d1d1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x559b94c7cff3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                at src/libcore/option.rs:1274
[INFO] [stderr]   14:     0x559b94b78e78 - core::result::Result<T,E>::expect::h0b775871c77f6028
[INFO] [stderr]                                at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x559b94b84453 - build_script_build::get_version_from_erl::hbfd881019a0cb493
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28
[INFO] [stderr]   16:     0x559b94b842e4 - build_script_build::main::h9920ee114353d181
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:21
[INFO] [stderr]   17:     0x559b94b829eb - std::rt::lang_start::{{closure}}::h9dc9d9bde036ac18
[INFO] [stderr]                                at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x559b94c5de88 - std::rt::lang_start_internal::{{closure}}::h7cea099ad4edf1eb
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x559b94c5de88 - std::panicking::try::do_call::h42d93372c44025d2
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   20:     0x559b94c5de88 - std::panicking::try::hb47a4182362d3341
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   21:     0x559b94c5de88 - std::panic::catch_unwind::h2afcfbf3125915b4
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x559b94c5de88 - std::rt::lang_start_internal::h4f696727fe904f48
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x559b94b829c7 - std::rt::lang_start::h149c9ddf6b1db168
[INFO] [stderr]                                at /rustc/1557fb031b272b4c5bfcc7de5df7eddc7b36a584/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x559b94b84cea - main
[INFO] [stderr]   25:     0x7fd5ad1940b3 - __libc_start_main
[INFO] [stderr]   26:     0x559b94b7518e - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d94036c4bbf153b304d940ea9edd81e026a7f99df068afc091185346fee2c358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94036c4bbf153b304d940ea9edd81e026a7f99df068afc091185346fee2c358", kill_on_drop: false }`
[INFO] [stdout] d94036c4bbf153b304d940ea9edd81e026a7f99df068afc091185346fee2c358