[INFO] crate riot-sys 0.2.1 is already in cache
[INFO] extracting crate riot-sys 0.2.1 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/riot-sys/0.2.1
[INFO] extracting crate riot-sys 0.2.1 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/riot-sys/0.2.1
[INFO] validating manifest of riot-sys-0.2.1 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of riot-sys-0.2.1 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-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-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/riot-sys/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking riot-sys-0.2.1 against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-2/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b9d39e6f17464acd7abba1cff7fc035ba424bd1f45c3babe667461bdc76a9d0a
[INFO] running `"docker" "start" "-a" "b9d39e6f17464acd7abba1cff7fc035ba424bd1f45c3babe667461bdc76a9d0a"`
[INFO] [stderr]    Compiling shlex v0.1.1
[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-93b5d9ff3a86c85a/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:     0x5562081b2763 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h175c35bedfe324eb
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5562081ae28b - std::sys_common::backtrace::_print::h01694821edef617a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5562081b14a6 - std::panicking::default_hook::{{closure}}::h62cbe23db3262ad8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5562081b1239 - std::panicking::default_hook::h917594e1ea7adc3f
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5562081b1baf - std::panicking::rust_panic_with_hook::h1fb2ce490ccdf024
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5562081b1731 - std::panicking::continue_panic_fmt::hb6bb79da952ec340
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5562081b1615 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5562081ccf0c - core::panicking::panic_fmt::h0f9d7e1fa9fb22bf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55620803e447 - core::result::unwrap_failed::h3ebb7e738ced9ae7
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x556207b10c90 - core::result::Result<T,E>::expect::hf4bd4d09edb84043
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libcore/result.rs:827
[INFO] [stderr]   10:     0x556207b0ffed - build_script_build::main::hdb4c5ecaa92d1231
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   11:     0x556207b0f22f - std::rt::lang_start::{{closure}}::he3ebce2c7a5c1b99
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5562081b15b2 - std::panicking::try::do_call::h60d8cccf379053fe
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x5562081b96f9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x5562081b20bc - std::rt::lang_start_internal::h629f5b3976019ae3
[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:     0x556207b0f208 - std::rt::lang_start::hed3150586874b9ac
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x556207b10549 - main
[INFO] [stderr]   17:     0x7fd8bd2492e0 - __libc_start_main
[INFO] [stderr]   18:     0x556207b0bfc9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b9d39e6f17464acd7abba1cff7fc035ba424bd1f45c3babe667461bdc76a9d0a"`
[INFO] running `"docker" "rm" "-f" "b9d39e6f17464acd7abba1cff7fc035ba424bd1f45c3babe667461bdc76a9d0a"`
[INFO] [stdout] b9d39e6f17464acd7abba1cff7fc035ba424bd1f45c3babe667461bdc76a9d0a