[INFO] crate serde_rustler 0.1.0 is already in cache
[INFO] checking serde_rustler-0.1.0 against master#450abe80f193ccefbfcd48214d70520f2d507f0e for pr-73084
[INFO] extracting crate serde_rustler 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_rustler 0.1.0 on toolchain 450abe80f193ccefbfcd48214d70520f2d507f0e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde_rustler 0.1.0
[INFO] finished tweaking crates.io crate serde_rustler 0.1.0
[INFO] tweaked toml for crates.io crate serde_rustler 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+450abe80f193ccefbfcd48214d70520f2d507f0e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1e8e4461807813d04580f5e361142beab20dcaf060f8f60335a035168c05d738
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1e8e4461807813d04580f5e361142beab20dcaf060f8f60335a035168c05d738"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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]    Compiling serde v1.0.111
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling quote v0.6.13
[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-aeb630ecf7de92ca/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/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libcore/convert/mod.rs:559
[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/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/rt.rs:67
[INFO] [stderr]   11: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call
[INFO] [stderr]              at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/panicking.rs:297
[INFO] [stderr]       std::panicking::try
[INFO] [stderr]              at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/panicking.rs:274
[INFO] [stderr]       std::panic::catch_unwind
[INFO] [stderr]              at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal
[INFO] [stderr]              at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/rt.rs:51
[INFO] [stderr]   12: std::rt::lang_start
[INFO] [stderr]              at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/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:28:15
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x555dbb2fbcb5 - backtrace::backtrace::libunwind::trace::haa412c68ebbfb7cb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x555dbb2fbcb5 - backtrace::backtrace::trace_unsynchronized::ha108e3f35b74f2c0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x555dbb2fbcb5 - std::sys_common::backtrace::_print_fmt::h15e024020a5efe76
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x555dbb2fbcb5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0f0ee68588fafa16
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x555dbb31eb5c - core::fmt::write::h5e8e27a0c5da998b
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x555dbb2f9283 - std::io::Write::write_fmt::h40a97a3850da46f1
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x555dbb2fe210 - std::sys_common::backtrace::_print::h1951082d2778220a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x555dbb2fe210 - std::sys_common::backtrace::print::hb28523ad63a39f3d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x555dbb2fe210 - std::panicking::default_hook::{{closure}}::h335019dd84826d63
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x555dbb2fdf5c - std::panicking::default_hook::h075f202ae1b09cd1
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x555dbb2fe847 - std::panicking::rust_panic_with_hook::hd172f806c3cae9b4
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x555dbb2fe44b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   12:     0x555dbb31df61 - core::panicking::panic_fmt::hc02b60091d55b8de
[INFO] [stderr]                                at src/libcore/panicking.rs:86
[INFO] [stderr]   13:     0x555dbb31dd83 - core::option::expect_none_failed::h91c12a04056d3a8b
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x555dbb23cc18 - core::result::Result<T,E>::expect::h1557d9ce93ef5ef1
[INFO] [stderr]                                at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x555dbb23ad33 - build_script_build::get_version_from_erl::h68ce8ca145e93370
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28
[INFO] [stderr]   16:     0x555dbb23abc4 - build_script_build::main::haf5e1514a6eb8a5d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:21
[INFO] [stderr]   17:     0x555dbb244bab - std::rt::lang_start::{{closure}}::h3e038108280ef047
[INFO] [stderr]                                at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x555dbb2fec18 - std::rt::lang_start_internal::{{closure}}::h2864321e935738e7
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x555dbb2fec18 - std::panicking::try::do_call::h333ff4828746b918
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   20:     0x555dbb2fec18 - std::panicking::try::h8e774ead4eea5983
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   21:     0x555dbb2fec18 - std::panic::catch_unwind::h16076fe2b012afda
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x555dbb2fec18 - std::rt::lang_start_internal::hbf7659429e6237e7
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x555dbb244b87 - std::rt::lang_start::hbe1143ec8467ffc2
[INFO] [stderr]                                at /rustc/450abe80f193ccefbfcd48214d70520f2d507f0e/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x555dbb23b5ba - main
[INFO] [stderr]   25:     0x7f37cd4b90b3 - __libc_start_main
[INFO] [stderr]   26:     0x555dbb23818e - _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 `"docker" "inspect" "1e8e4461807813d04580f5e361142beab20dcaf060f8f60335a035168c05d738"`
[INFO] running `"docker" "rm" "-f" "1e8e4461807813d04580f5e361142beab20dcaf060f8f60335a035168c05d738"`
[INFO] [stdout] 1e8e4461807813d04580f5e361142beab20dcaf060f8f60335a035168c05d738