[INFO] fetching crate bridge_lmdb 0.1.0...
[INFO] checking bridge_lmdb-0.1.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate bridge_lmdb 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate bridge_lmdb 0.1.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustler_codegen v0.21.1
[INFO] [stderr]   Downloaded rustler v0.21.1
[INFO] [stderr]   Downloaded rustler_sys v2.1.0
[INFO] [stderr]   Downloaded liblmdb-sys v0.2.2
[INFO] [stderr]   Downloaded lmdb-rs v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b74d9c61023988bce5eb2c4f9c2d6e3788805a65a072d23b0029d36eb5244b0
[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" "9b74d9c61023988bce5eb2c4f9c2d6e3788805a65a072d23b0029d36eb5244b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b74d9c61023988bce5eb2c4f9c2d6e3788805a65a072d23b0029d36eb5244b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b74d9c61023988bce5eb2c4f9c2d6e3788805a65a072d23b0029d36eb5244b0", kill_on_drop: false }`
[INFO] [stdout] 9b74d9c61023988bce5eb2c4f9c2d6e3788805a65a072d23b0029d36eb5244b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c952d42282ff0d4e2e21d5c27735f5e78b7708a6df9cf63cc6afb051f42d52
[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" "a5c952d42282ff0d4e2e21d5c27735f5e78b7708a6df9cf63cc6afb051f42d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rustler_sys v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rustler_codegen v0.21.1
[INFO] [stderr]     Checking lmdb-rs v0.7.6
[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-8cc7fdf4968b6208/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:46:44
[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/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/convert/mod.rs:546:9
[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/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     11: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     12: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:66:18
[INFO] [stderr]     13: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:379:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:343:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panic.rs:396:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:51:25
[INFO] [stderr]     14: std::rt::lang_start
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:65:5
[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:     0x556856b56527 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x556856b56527 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556856b56527 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x556856b56527 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x556856b711dc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x556856b535d2 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x556856b584a5 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x556856b584a5 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x556856b584a5 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x556856b57ffa - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x556856b58c41 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x556856b58787 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x556856b569ec - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x556856b586e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x556856b705b1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x556856b703d3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x556856a69038 - core::result::Result<T,E>::expect::h9ac88ade98f4b0d6
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x556856a5f88a - build_script_build::get_version_from_erl::had578e8d1059dae0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28:15
[INFO] [stderr]     18:     0x556856a5f716 - build_script_build::main::hc61cbbb6089dcc25
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:21:19
[INFO] [stderr]     19:     0x556856a5e08b - core::ops::function::FnOnce::call_once::h5645978eca85f7eb
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x556856a6285e - std::sys_common::backtrace::__rust_begin_short_backtrace::h515498eca52d0028
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x556856a5bb51 - std::rt::lang_start::{{closure}}::h23f9675d24bce29b
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x556856b59067 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x556856b59067 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x556856b59067 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x556856b59067 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x556856b59067 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x556856a5bb27 - std::rt::lang_start::h5b924089a082047c
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x556856a6010a - main
[INFO] [stderr]     29:     0x7fb1757890b3 - __libc_start_main
[INFO] [stderr]     30:     0x556856a590be - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a5c952d42282ff0d4e2e21d5c27735f5e78b7708a6df9cf63cc6afb051f42d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c952d42282ff0d4e2e21d5c27735f5e78b7708a6df9cf63cc6afb051f42d52", kill_on_drop: false }`
[INFO] [stdout] a5c952d42282ff0d4e2e21d5c27735f5e78b7708a6df9cf63cc6afb051f42d52