[INFO] cloning repository https://github.com/thlorenz/workout-frs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thlorenz/workout-frs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthlorenz%2Fworkout-frs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthlorenz%2Fworkout-frs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95dd5764b83d9d4b65b02317f323c2db23a0795a
[INFO] checking thlorenz/workout-frs/95dd5764b83d9d4b65b02317f323c2db23a0795a against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthlorenz%2Fworkout-frs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thlorenz/workout-frs
[INFO] finished tweaking git repo https://github.com/thlorenz/workout-frs
[INFO] tweaked toml for git repo https://github.com/thlorenz/workout-frs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thlorenz/workout-frs on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thlorenz/workout-frs 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbb93218bbc6c37af14833ee663eeb7c87bb6029ff465150272697b7d8a9b512
[INFO] running `Command { std: "docker" "start" "-a" "cbb93218bbc6c37af14833ee663eeb7c87bb6029ff465150272697b7d8a9b512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb93218bbc6c37af14833ee663eeb7c87bb6029ff465150272697b7d8a9b512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb93218bbc6c37af14833ee663eeb7c87bb6029ff465150272697b7d8a9b512", kill_on_drop: false }`
[INFO] [stdout] cbb93218bbc6c37af14833ee663eeb7c87bb6029ff465150272697b7d8a9b512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de6575ffdec387c50e31bda980c9432f45b0d1349384072201a8728c87f07aba
[INFO] running `Command { std: "docker" "start" "-a" "de6575ffdec387c50e31bda980c9432f45b0d1349384072201a8728c87f07aba", kill_on_drop: false }`
[INFO] [stderr]    Compiling workout_ffi v0.1.0 (/opt/rustwide/workdir/native/workout_ffi)
[INFO] [stderr]     Checking workout v0.1.0 (/opt/rustwide/workdir/native/workout)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]   --> native/workout_ffi/build.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | /         format!(
[INFO] [stdout] 10 | |             "{} failed: \n{}",
[INFO] [stdout] 11 | |             cmd,
[INFO] [stdout] 12 | |             std::str::from_utf8(&output.stderr).unwrap()
[INFO] [stdout] 13 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `workout_ffi v0.1.0 (/opt/rustwide/workdir/native/workout_ffi)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/workout_ffi-3de7b4059bcc5bd6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at native/workout_ffi/build.rs:45:10:
[INFO] [stderr]   Failed to create binding.h: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5eebf60c99d2 - std::backtrace_rs::backtrace::libunwind::trace::h4b1dd74ddad1938e
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5eebf60c99d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d30d382ece6fa9e
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5eebf60c99d2 - std::sys::backtrace::_print_fmt::hd946833e8f1a9699
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5eebf60c99d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hcdf1d57453f7287d
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5eebf60e9233 - core::fmt::rt::Argument::fmt::h150c95dcaa3197b7
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5eebf60e9233 - core::fmt::write::h3be3172487877823
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x5eebf60c7483 - std::io::default_write_fmt::hbb22ca90138b810d
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5eebf60c7483 - std::io::Write::write_fmt::hff7ec47b7aff581e
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5eebf60c9822 - std::sys::backtrace::BacktraceLock::print::h7248a2e68b1a6757
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5eebf60ca896 - std::panicking::default_hook::{{closure}}::hb6197d3c009db5db
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5eebf60ca699 - std::panicking::default_hook::h48f8973c358ad080
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5eebf60cb162 - std::panicking::rust_panic_with_hook::h2156d918f1b4687a
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5eebf60caffa - std::panicking::begin_panic_handler::{{closure}}::h72af41ccef8ec229
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5eebf60c9ec9 - std::sys::backtrace::__rust_end_short_backtrace::ha354a46c9098f853
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5eebf60cac8d - __rustc[5129e938e0a6cb40]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5eebf60e8520 - core::panicking::panic_fmt::h0abade0315de1f17
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5eebf60e8896 - core::result::unwrap_failed::h45664b4f47a3fca4
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x5eebf60a1692 - core::result::Result<T,E>::expect::ha6067928107a07ea
[INFO] [stderr]     18:     0x5eebf60a431d - build_script_build::main::h5b0cd6c95809d332
[INFO] [stderr]     19:     0x5eebf609ffb3 - core::ops::function::FnOnce::call_once::h86c90e8c027479ce
[INFO] [stderr]     20:     0x5eebf609f9d6 - std::sys::backtrace::__rust_begin_short_backtrace::h5c2df693fcba76d1
[INFO] [stderr]     21:     0x5eebf609f849 - std::rt::lang_start::{{closure}}::h15b41297f976e202
[INFO] [stderr]     22:     0x5eebf60c4800 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha27a6effac64dcb5
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     23:     0x5eebf60c4800 - std::panicking::catch_unwind::do_call::h8482997c861660f8
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x5eebf60c4800 - std::panicking::catch_unwind::h61588078bc36fe20
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x5eebf60c4800 - std::panic::catch_unwind::hdb37145af8c89db8
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5eebf60c4800 - std::rt::lang_start_internal::{{closure}}::h8ae41facdb92ee12
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5eebf60c4800 - std::panicking::catch_unwind::do_call::h1d3395aa40057936
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x5eebf60c4800 - std::panicking::catch_unwind::h4ace2ad279d36fae
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x5eebf60c4800 - std::panic::catch_unwind::h09bc04072e88fd3e
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5eebf60c4800 - std::rt::lang_start_internal::h7dae2ae31da29277
[INFO] [stderr]                                  at /rustc/36b21637e93b038453924d3c66821089e71d8baa/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5eebf609f831 - std::rt::lang_start::h621a045310afac72
[INFO] [stderr]     32:     0x5eebf60a49e5 - main
[INFO] [stderr]     33:     0x77c47565e1ca - <unknown>
[INFO] [stderr]     34:     0x77c47565e28b - __libc_start_main
[INFO] [stderr]     35:     0x5eebf609e6f5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "de6575ffdec387c50e31bda980c9432f45b0d1349384072201a8728c87f07aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6575ffdec387c50e31bda980c9432f45b0d1349384072201a8728c87f07aba", kill_on_drop: false }`
[INFO] [stdout] de6575ffdec387c50e31bda980c9432f45b0d1349384072201a8728c87f07aba