[INFO] fetching crate riot-sys 0.2.1...
[INFO] extracting crate riot-sys 0.2.1 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/riot-sys/0.2.1
[INFO] extracting crate riot-sys 0.2.1 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/riot-sys/0.2.1
[INFO] validating manifest of riot-sys-0.2.1 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of riot-sys-0.2.1 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-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-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/riot-sys/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking riot-sys-0.2.1 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d091e287917a477bda1705e350d3c381c7726dd152b4d9916a56a32c6c8c1c59
[INFO] running `"docker" "start" "-a" "d091e287917a477bda1705e350d3c381c7726dd152b4d9916a56a32c6c8c1c59"`
[INFO] [stderr]    Compiling shlex v0.1.1
[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] process didn't exit successfully: `/opt/crater/target/debug/build/riot-sys-ccf7f8cf702ee451/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:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557926419023 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hfe14902d5dd41bf8
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x557926414eeb - std::sys_common::backtrace::_print::hc2555116e7c8c874
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x557926417d66 - std::panicking::default_hook::{{closure}}::h9fb1ec65fd293048
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x557926417af9 - std::panicking::default_hook::h7b4e2a7e1c2a63a7
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55792641846f - std::panicking::rust_panic_with_hook::h9b8bb6f9ced4f458
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x557926417ff1 - std::panicking::continue_panic_fmt::hf2c20b0944521e45
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x557926417ed5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x557926433b3c - core::panicking::panic_fmt::h2a3f1200cf967cbb
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5579262c1167 - core::result::unwrap_failed::h536d9bdf63cb3c3f
[INFO] [stderr]                                at /rustc/c0086b9e8972fef9fd4af24bae20d45021ed06c6/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x557925db4a50 - <core::result::Result<T, E>>::expect::h30dd250c9c9b1a2f
[INFO] [stderr]                                at /rustc/c0086b9e8972fef9fd4af24bae20d45021ed06c6/src/libcore/result.rs:825
[INFO] [stderr]   10:     0x557925db3f8d - build_script_build::main::h374e932dd6d99159
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   11:     0x557925db19af - std::rt::lang_start::{{closure}}::h0d9d335c3484f328
[INFO] [stderr]                                at /rustc/c0086b9e8972fef9fd4af24bae20d45021ed06c6/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x557926417e72 - std::panicking::try::do_call::h213677faaf56adb7
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x557926420339 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x55792641897c - std::rt::lang_start_internal::h41a26d62d9ff596f
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x557925db1988 - std::rt::lang_start::hf455db29a97a2167
[INFO] [stderr]                                at /rustc/c0086b9e8972fef9fd4af24bae20d45021ed06c6/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x557925db44e9 - main
[INFO] [stderr]   17:     0x7ff6dee942e0 - __libc_start_main
[INFO] [stderr]   18:     0x557925daedb9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "d091e287917a477bda1705e350d3c381c7726dd152b4d9916a56a32c6c8c1c59"`
[INFO] running `"docker" "rm" "-f" "d091e287917a477bda1705e350d3c381c7726dd152b4d9916a56a32c6c8c1c59"`
[INFO] [stdout] d091e287917a477bda1705e350d3c381c7726dd152b4d9916a56a32c6c8c1c59