[INFO] fetching crate rustler 0.21.1...
[INFO] checking rustler-0.21.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate rustler 0.21.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustler 0.21.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustler 0.21.1
[INFO] finished tweaking crates.io crate rustler 0.21.1
[INFO] tweaked toml for crates.io crate rustler 0.21.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustler_sys v2.1.0
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded rustler_codegen v0.21.1
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2387243a77f452c9d16ba0ef6e5e989cf46d60f135bb041b195b3e07c6ebe7c
[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" "a2387243a77f452c9d16ba0ef6e5e989cf46d60f135bb041b195b3e07c6ebe7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2387243a77f452c9d16ba0ef6e5e989cf46d60f135bb041b195b3e07c6ebe7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2387243a77f452c9d16ba0ef6e5e989cf46d60f135bb041b195b3e07c6ebe7c", kill_on_drop: false }`
[INFO] [stdout] a2387243a77f452c9d16ba0ef6e5e989cf46d60f135bb041b195b3e07c6ebe7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce738b26b06b42a9c7f048ba304812e7e47174cbfc096f1407bc5455452232e
[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" "cce738b26b06b42a9c7f048ba304812e7e47174cbfc096f1407bc5455452232e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling rustler_sys v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rustler_codegen v0.21.1
[INFO] [stderr]    Compiling rustler v0.21.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rustler v0.21.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustler-cb62881f64eed5d8/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/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/convert/mod.rs:538:9
[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/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     11: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     12: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/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/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:379:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:343:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panic.rs:431:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:51:25
[INFO] [stderr]     14: std::rt::lang_start
[INFO] [stderr]                at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/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 }', build.rs:28:28
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f232a793e0 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55f232a793e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f232a793e0 - std::sys_common::backtrace::_print_fmt::h6b88726367858985
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f232a793e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcd76ce6b485adbea
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f232a939df - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55f232a76db2 - std::io::Write::write_fmt::h0facb64ef2e7f5d8
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/io/mod.rs:1567:15
[INFO] [stderr]      6:     0x55f232a7b255 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f232a7b255 - std::sys_common::backtrace::print::h5cc4d09049928ba5
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f232a7b255 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55f232a7ad03 - std::panicking::default_hook::h123278a03b1f796b
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55f232a7b85d - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55f232a7b3f7 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55f232a7989c - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55f232a7b359 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55f2329853b1 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55f2329852a3 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x55f232991b88 - core::result::Result<T,E>::expect::h79cc1b4d6bf92945
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x55f232992dd9 - build_script_build::get_version_from_erl::h1d1b49cb2a4bae6c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:28:15
[INFO] [stderr]     18:     0x55f232992c73 - build_script_build::main::h9ab960128fab2951
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:21:19
[INFO] [stderr]     19:     0x55f23298810b - core::ops::function::FnOnce::call_once::h3968973bddf80d7f
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55f23298cbde - std::sys_common::backtrace::__rust_begin_short_backtrace::h2a45f886bb9bfa45
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55f232992321 - std::rt::lang_start::{{closure}}::h3e6323e392ef7355
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55f232a7bc5a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3695a3fbbe44c001
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55f232a7bc5a - std::panicking::try::do_call::he9f4b5f706c7e58d
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55f232a7bc5a - std::panicking::try::h789d448ccf87fe6d
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55f232a7bc5a - std::panic::catch_unwind::h7a6b31f16004913a
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x55f232a7bc5a - std::rt::lang_start_internal::h80897b41b254b288
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55f232992300 - std::rt::lang_start::hb8906f575afc18d4
[INFO] [stderr]                                  at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55f23299361c - main
[INFO] [stderr]     29:     0x7f64b27c50b3 - __libc_start_main
[INFO] [stderr]     30:     0x55f232985a1e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cce738b26b06b42a9c7f048ba304812e7e47174cbfc096f1407bc5455452232e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce738b26b06b42a9c7f048ba304812e7e47174cbfc096f1407bc5455452232e", kill_on_drop: false }`
[INFO] [stdout] cce738b26b06b42a9c7f048ba304812e7e47174cbfc096f1407bc5455452232e