[INFO] fetching crate serde_rustler 0.1.0...
[INFO] checking serde_rustler-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate serde_rustler 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_rustler 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustler v0.21.1
[INFO] [stderr]   Downloaded rustler_codegen v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd514f4e44ebc9f44fa69504a2abbe88a7a958011d642a5fe394918e9b55f61a
[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" "dd514f4e44ebc9f44fa69504a2abbe88a7a958011d642a5fe394918e9b55f61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd514f4e44ebc9f44fa69504a2abbe88a7a958011d642a5fe394918e9b55f61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd514f4e44ebc9f44fa69504a2abbe88a7a958011d642a5fe394918e9b55f61a", kill_on_drop: false }`
[INFO] [stdout] dd514f4e44ebc9f44fa69504a2abbe88a7a958011d642a5fe394918e9b55f61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a027281392a3ad3006262c2d0a9a4ba18c530d4a444ff548d6f54b046ad6bace
[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" "a027281392a3ad3006262c2d0a9a4ba18c530d4a444ff548d6f54b046ad6bace", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustler_sys v2.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustler_codegen v0.21.1
[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-ef015112096c318f/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/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/convert/mod.rs:540:9
[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/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     11: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     12: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:63:18
[INFO] [stderr]     13: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14
[INFO] [stderr]         std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:48
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:20
[INFO] [stderr]     14: std::rt::lang_start
[INFO] [stderr]                at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:62:5
[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:     0x5605b6da2830 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5605b6da2830 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5605b6da2830 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5605b6da2830 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcc0746f004a9b7ef
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5605b6dc009c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5605b6da0385 - std::io::Write::write_fmt::h23dab4cc9ce72ee2
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5605b6da475b - std::sys_common::backtrace::_print::h173dc702502d65d2
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5605b6da475b - std::sys_common::backtrace::print::h61bd27c4742ba817
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5605b6da475b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5605b6da4231 - std::panicking::default_hook::h0538e728ee080db0
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5605b6da4e24 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5605b6da4907 - std::panicking::begin_panic_handler::{{closure}}::h884fbab544ffd91c
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5605b6da2d2c - std::sys_common::backtrace::__rust_end_short_backtrace::hdaf2e18ba3d91210
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5605b6da4869 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5605b6ca9311 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5605b6ca93a3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x5605b6cb720a - core::result::Result<T,E>::expect::h548a4077ad1ebf5c
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/result.rs:1241:23
[INFO] [stderr]     17:     0x5605b6caf9b9 - build_script_build::get_version_from_erl::h1de49fe496511e45
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28:15
[INFO] [stderr]     18:     0x5605b6caf8b2 - build_script_build::main::h8b24a3b498edc390
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:21:19
[INFO] [stderr]     19:     0x5605b6cb3e1b - core::ops::function::FnOnce::call_once::hf9fa5f54ca3ba269
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5605b6cac3de - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e6a0c8c6b193d21
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5605b6cb7901 - std::rt::lang_start::{{closure}}::hbdb3f013926c8759
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x5605b6da532a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h61bcc1dec5918b7e
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5605b6da532a - std::panicking::try::do_call::h672d24f85ce22db4
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x5605b6da532a - std::panicking::try::he383e7ef11604e58
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x5605b6da532a - std::panic::catch_unwind::h502ac6058961e393
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x5605b6da532a - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x5605b6da532a - std::panicking::try::do_call::h84f41bb3453bbd14
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x5605b6da532a - std::panicking::try::h969c45dbbf2e4c94
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x5605b6da532a - std::panic::catch_unwind::he40b1a4614f73e03
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x5605b6da532a - std::rt::lang_start_internal::h0fbab25cccdb30d8
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x5605b6cb78d0 - std::rt::lang_start::h8a564bda263287ae
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x5605b6cb01fc - main
[INFO] [stderr]     33:     0x7f364456e0b3 - __libc_start_main
[INFO] [stderr]     34:     0x5605b6ca9a6e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a027281392a3ad3006262c2d0a9a4ba18c530d4a444ff548d6f54b046ad6bace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a027281392a3ad3006262c2d0a9a4ba18c530d4a444ff548d6f54b046ad6bace", kill_on_drop: false }`
[INFO] [stdout] a027281392a3ad3006262c2d0a9a4ba18c530d4a444ff548d6f54b046ad6bace