[INFO] crate riot-sys 0.2.1 is already in cache
[INFO] extracting crate riot-sys 0.2.1 into work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/riot-sys/0.2.1
[INFO] extracting crate riot-sys 0.2.1 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/riot-sys/0.2.1
[INFO] validating manifest of riot-sys-0.2.1 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of riot-sys-0.2.1 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing riot-sys-0.2.1
[INFO] finished frobbing riot-sys-0.2.1
[INFO] frobbed toml for riot-sys-0.2.1 written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/riot-sys/0.2.1/Cargo.toml
[INFO] started frobbing riot-sys-0.2.1
[INFO] finished frobbing riot-sys-0.2.1
[INFO] frobbed toml for riot-sys-0.2.1 written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/riot-sys/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking riot-sys-0.2.1 against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-0/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/riot-sys/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b36b1dcc36c6d25b6267975441348e7ea2792b60cf8c59b08dfedf17574c517e
[INFO] running `"docker" "start" "-a" "b36b1dcc36c6d25b6267975441348e7ea2792b60cf8c59b08dfedf17574c517e"`
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling riot-sys v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `riot-sys v0.2.1 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/riot-sys-c83818c175091bdb/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Please pass in RIOT_CFLAGS; see README.md for details.: NotPresent', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55562672d4ab - backtrace::backtrace::libunwind::trace::h070e7f82042bca1a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55562672d4ab - backtrace::backtrace::trace_unsynchronized::he13049b85698ba8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55562672d4ab - std::sys_common::backtrace::_print::h634e2ea8248267c1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55562672d4ab - std::sys_common::backtrace::print::h5d5de2cf218c89a7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55562672d4ab - std::panicking::default_hook::{{closure}}::h43b79773c0c0f232
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55562672d1ac - std::panicking::default_hook::h53bc9afd22fb35b5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55562672dc20 - std::panicking::rust_panic_with_hook::h49c2fb11d2e8b48c
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55562672d7a2 - std::panicking::continue_panic_fmt::hd6697de49ab68f09
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55562672d686 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55562674d40d - core::panicking::panic_fmt::h565d885a643ab2b5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5556265ae228 - core::result::unwrap_failed::h995b9afa6d6496ef
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x555626063e6e - core::result::Result<T,E>::expect::h1f3989fe48e2a03a
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/result.rs:827
[INFO] [stderr]   12:     0x5556260631ae - build_script_build::main::h57053608c6fd7837
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   13:     0x5556260623e0 - std::rt::lang_start::{{closure}}::hc548a411f85f7aea
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55562672d623 - std::rt::lang_start_internal::{{closure}}::h3433d02b763cc1cc
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55562672d623 - std::panicking::try::do_call::h1bd2814d0b730969
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x5556267356ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x55562672e12d - std::panicking::try::hf899646d63b90b29
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x55562672e12d - std::panic::catch_unwind::ha1af529349fbe3dc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x55562672e12d - std::rt::lang_start_internal::he5b58aa1d492830f
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5556260623b9 - std::rt::lang_start::he7b526edd32b59d8
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55562606370a - main
[INFO] [stderr]   22:     0x7f54ea2a82e1 - __libc_start_main
[INFO] [stderr]   23:     0x55562606097a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b36b1dcc36c6d25b6267975441348e7ea2792b60cf8c59b08dfedf17574c517e"`
[INFO] running `"docker" "rm" "-f" "b36b1dcc36c6d25b6267975441348e7ea2792b60cf8c59b08dfedf17574c517e"`
[INFO] [stdout] b36b1dcc36c6d25b6267975441348e7ea2792b60cf8c59b08dfedf17574c517e