[INFO] cloning repository https://github.com/faizalshaik/salsa20-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faizalshaik/salsa20-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaizalshaik%2Fsalsa20-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaizalshaik%2Fsalsa20-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3586afaf950436e18254a1cf8224fa7521bb1967
[INFO] checking faizalshaik/salsa20-rust against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaizalshaik%2Fsalsa20-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faizalshaik/salsa20-rust on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/faizalshaik/salsa20-rust
[INFO] finished tweaking git repo https://github.com/faizalshaik/salsa20-rust
[INFO] tweaked toml for git repo https://github.com/faizalshaik/salsa20-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/faizalshaik/salsa20-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454d954b64ad37a93962de7b235a96044b243d991ff81125b17dc84813d9a934
[INFO] running `Command { std: "docker" "start" "-a" "454d954b64ad37a93962de7b235a96044b243d991ff81125b17dc84813d9a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454d954b64ad37a93962de7b235a96044b243d991ff81125b17dc84813d9a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454d954b64ad37a93962de7b235a96044b243d991ff81125b17dc84813d9a934", kill_on_drop: false }`
[INFO] [stdout] 454d954b64ad37a93962de7b235a96044b243d991ff81125b17dc84813d9a934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8843a3f0ed4a6c8fb47ac876ed08c702e760f7940e724c5080f7c066ac6cc34d
[INFO] running `Command { std: "docker" "start" "-a" "8843a3f0ed4a6c8fb47ac876ed08c702e760f7940e724c5080f7c066ac6cc34d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustler_sys v2.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling rustler_codegen v0.21.1
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.49
[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-90e60ce9230c2fc8/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
[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/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/convert/mod.rs:538
[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: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/ops/function.rs:227
[INFO] [stderr]     11: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     12: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:63
[INFO] [stderr]     13: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:401
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:365
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panic.rs:434
[INFO] [stderr]         std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:45
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:401
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:365
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panic.rs:434
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:45
[INFO] [stderr]     14: std::rt::lang_start
[INFO] [stderr]                at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:62
[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:     0x5631acdc85f0 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5631acdc85f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5631acdc85f0 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5631acdc85f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5631acde611c - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5631acdc6145 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x5631acdca50b - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5631acdca50b - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5631acdca50b - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5631acdc9fe1 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5631acdcabd4 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5631acdca6b7 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5631acdc8aec - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5631acdca619 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5631acce9311 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5631acce93a3 - core::result::unwrap_failed::hc9085c7b2fddd31a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5631accf738a - core::result::Result<T,E>::expect::hd877df5cb0a4b353
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x5631accef9a9 - build_script_build::get_version_from_erl::hdf8a5a15ae1315f4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:28:15
[INFO] [stderr]     18:     0x5631accef8a2 - build_script_build::main::h00da3c62ed6f6e5e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustler-0.21.1/build.rs:21:19
[INFO] [stderr]     19:     0x5631accf3d2b - core::ops::function::FnOnce::call_once::h11c58f98e1844839
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5631accec3de - std::sys_common::backtrace::__rust_begin_short_backtrace::hea6ccf4470eba292
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5631accf79f1 - std::rt::lang_start::{{closure}}::hacb7af15abf88192
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x5631acdcb0da - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5631acdcb0da - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x5631acdcb0da - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x5631acdcb0da - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x5631acdcb0da - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x5631acdcb0da - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x5631acdcb0da - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x5631acdcb0da - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x5631acdcb0da - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x5631accf79c0 - std::rt::lang_start::h02222e197262e7ce
[INFO] [stderr]                                  at /rustc/3d9fdbff4f377de96b3a51174e7a64086bee9a5c/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x5631accf01ec - main
[INFO] [stderr]     33:     0x7fb3c56950b3 - __libc_start_main
[INFO] [stderr]     34:     0x5631acce9a6e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8843a3f0ed4a6c8fb47ac876ed08c702e760f7940e724c5080f7c066ac6cc34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8843a3f0ed4a6c8fb47ac876ed08c702e760f7940e724c5080f7c066ac6cc34d", kill_on_drop: false }`
[INFO] [stdout] 8843a3f0ed4a6c8fb47ac876ed08c702e760f7940e724c5080f7c066ac6cc34d