[INFO] crate riot-wrappers 0.2.2 is already in cache
[INFO] extracting crate riot-wrappers 0.2.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/riot-wrappers/0.2.2
[INFO] extracting crate riot-wrappers 0.2.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/riot-wrappers/0.2.2
[INFO] validating manifest of riot-wrappers-0.2.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of riot-wrappers-0.2.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing riot-wrappers-0.2.2
[INFO] finished frobbing riot-wrappers-0.2.2
[INFO] frobbed toml for riot-wrappers-0.2.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/riot-wrappers/0.2.2/Cargo.toml
[INFO] started frobbing riot-wrappers-0.2.2
[INFO] finished frobbing riot-wrappers-0.2.2
[INFO] frobbed toml for riot-wrappers-0.2.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/riot-wrappers/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing riot-wrappers-0.2.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/riot-wrappers/0.2.2:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 434285b914166b296315ffb6ed5ba38fef62710307f189fb38d9d79636dce46d
[INFO] running `"docker" "start" "-a" "434285b914166b296315ffb6ed5ba38fef62710307f189fb38d9d79636dce46d"`
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling riot-wrappers v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling embedded-hal v0.2.2
[INFO] [stderr]    Compiling riot-sys v0.2.1
[INFO] [stderr] error: failed to run custom build command for `riot-wrappers v0.2.2 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/riot-wrappers-0aa3d7be8a84dd60/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Please pass in RIOT_CFLAGS -- see README.md of the riot-sys crate: NotPresent', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bbe9bfc9b3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55bbe9bf8b2b - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55bbe9bfb936 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55bbe9bfb6b4 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55bbe9bfbf90 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55bbe9bfbb11 - std::panicking::continue_panic_fmt::h3d3b66f689c3e04e
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]    6:     0x55bbe9bfb9f5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:312
[INFO] [stderr]    7:     0x55bbe9c0c79c - core::panicking::panic_fmt::h3dc182ff7fefc0c0
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55bbe9beb572 - core::result::unwrap_failed::h4d8dce53a875bed1
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x55bbe9beb3ec - <core::result::Result<T, E>>::expect::h179d48568ffe8fa7
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libcore/result.rs:825
[INFO] [stderr]   10:     0x55bbe9be9b07 - build_script_build::main::h2a0b7bcdad1d6640
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:6
[INFO] [stderr]   11:     0x55bbe9bea62f - std::rt::lang_start::{{closure}}::h1d50a4db73c50c8b
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55bbe9bfb9e2 - std::panicking::try::do_call::ha6d3d6f6b5f6c5f2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   13:     0x55bbe9bfda39 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   14:     0x55bbe9bfc4c5 - std::rt::lang_start_internal::hc755040b17518fe7
[INFO] [stderr]                                at src/libstd/panicking.rs:276
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55bbe9bea608 - std::rt::lang_start::h25c660eb432379f9
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55bbe9bea029 - main
[INFO] [stderr]   17:     0x7f81b9ee22e0 - __libc_start_main
[INFO] [stderr]   18:     0x55bbe9be99a9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "434285b914166b296315ffb6ed5ba38fef62710307f189fb38d9d79636dce46d"`
[INFO] running `"docker" "rm" "-f" "434285b914166b296315ffb6ed5ba38fef62710307f189fb38d9d79636dce46d"`
[INFO] [stdout] 434285b914166b296315ffb6ed5ba38fef62710307f189fb38d9d79636dce46d