[INFO] cloning repository https://github.com/secona/rust-zig-ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/secona/rust-zig-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecona%2Frust-zig-ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecona%2Frust-zig-ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ca887828ef18dd23761960fb5ac41f61f43d2ae
[INFO] testing secona/rust-zig-ffi against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsecona%2Frust-zig-ffi" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/secona/rust-zig-ffi
[INFO] finished tweaking git repo https://github.com/secona/rust-zig-ffi
[INFO] tweaked toml for git repo https://github.com/secona/rust-zig-ffi written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/secona/rust-zig-ffi on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/secona/rust-zig-ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 232a300d970b8280e56ed03ec9d89d04b1da82aa62d78021d583fd79a305e78f
[INFO] running `Command { std: "docker" "start" "-a" "232a300d970b8280e56ed03ec9d89d04b1da82aa62d78021d583fd79a305e78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232a300d970b8280e56ed03ec9d89d04b1da82aa62d78021d583fd79a305e78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232a300d970b8280e56ed03ec9d89d04b1da82aa62d78021d583fd79a305e78f", kill_on_drop: false }`
[INFO] [stdout] 232a300d970b8280e56ed03ec9d89d04b1da82aa62d78021d583fd79a305e78f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9c7d9e5a72bd0a8f48376e2d09019e4079cf935f8c3b6953503edcb58f15439c
[INFO] running `Command { std: "docker" "start" "-a" "9c7d9e5a72bd0a8f48376e2d09019e4079cf935f8c3b6953503edcb58f15439c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-zig-ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-zig-ffi v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-zig-ffi-94912cfbdc488b51/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [build.rs:8:19] PathBuf::from(env::var("OUT_DIR").unwrap()) = "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/rust-zig-ffi-b2376085f599b0e3/out"
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:16:10:
[INFO] [stderr]   Failed to execute Zig compiler: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x61ba937673b2 - std::backtrace_rs::backtrace::libunwind::trace::h7c95ef939f65c294
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61ba937673b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h32c948083968be8c
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61ba937673b2 - std::sys::backtrace::_print_fmt::hbce1ec88d06e088c
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x61ba937673b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb9fc0e74cd3e2ce7
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x61ba937869c3 - core::fmt::rt::Argument::fmt::h6807405d250eb341
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x61ba937869c3 - core::fmt::write::h44c4c28224d1d425
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25
[INFO] [stderr]      6:     0x61ba93764da3 - std::io::default_write_fmt::h2bbef4d99fdfa1fb
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x61ba93764da3 - std::io::Write::write_fmt::h7c137d8faa040f47
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x61ba93767202 - std::sys::backtrace::BacktraceLock::print::hdd765023e0895687
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x61ba93768492 - std::panicking::default_hook::{{closure}}::h3703709d08ff9881
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x61ba93768295 - std::panicking::default_hook::h52db45a3301fd26f
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x61ba93768d62 - std::panicking::rust_panic_with_hook::h6c4d7d69d053bb09
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x61ba93768bfa - std::panicking::begin_panic_handler::{{closure}}::h7b56674cf0518b4b
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x61ba937678a9 - std::sys::backtrace::__rust_end_short_backtrace::h3266312f35a9262a
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x61ba9376888d - __rustc[f4ffc7196a45a630]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x61ba93785c90 - core::panicking::panic_fmt::h42f13c80076c805d
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x61ba93786026 - core::result::unwrap_failed::h3ae796d25b69894b
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x61ba9373e1de - core::result::Result<T,E>::expect::h8daf023b813df160
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/result.rs:1119:23
[INFO] [stderr]     18:     0x61ba93740e88 - build_script_build::main::h8f9a8797e8a0bf7d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:16:10
[INFO] [stderr]     19:     0x61ba9373c84b - core::ops::function::FnOnce::call_once::h7ccf250d6e417350
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5
[INFO] [stderr]     20:     0x61ba9373c1de - std::sys::backtrace::__rust_begin_short_backtrace::h1f52bdb1ffb493d7
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]     21:     0x61ba9373bff1 - std::rt::lang_start::{{closure}}::hf12d8a7a6b413e65
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:206:18
[INFO] [stderr]     22:     0x61ba93761410 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h776d28ad5d8e3065
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     23:     0x61ba93761410 - std::panicking::catch_unwind::do_call::hc52b7f8762002282
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x61ba93761410 - std::panicking::catch_unwind::h65ae6675cb87c293
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x61ba93761410 - std::panic::catch_unwind::h4bf88f8de30a831e
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x61ba93761410 - std::rt::lang_start_internal::{{closure}}::he18cde089aa4ecf1
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x61ba93761410 - std::panicking::catch_unwind::do_call::h8d614f4790efaa4f
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x61ba93761410 - std::panicking::catch_unwind::he616f21a5745eff4
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x61ba93761410 - std::panic::catch_unwind::ha12dd71f2a653c0c
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x61ba93761410 - std::rt::lang_start_internal::hacfd5a6cee565422
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x61ba9373bfd7 - std::rt::lang_start::hc000b11f0252d9db
[INFO] [stderr]                                  at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:205:5
[INFO] [stderr]     32:     0x61ba937412fe - main
[INFO] [stderr]     33:     0x70f21b2821ca - <unknown>
[INFO] [stderr]     34:     0x70f21b28228b - __libc_start_main
[INFO] [stderr]     35:     0x61ba9373aaf5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9c7d9e5a72bd0a8f48376e2d09019e4079cf935f8c3b6953503edcb58f15439c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7d9e5a72bd0a8f48376e2d09019e4079cf935f8c3b6953503edcb58f15439c", kill_on_drop: false }`
[INFO] [stdout] 9c7d9e5a72bd0a8f48376e2d09019e4079cf935f8c3b6953503edcb58f15439c