[INFO] fetching crate libsel4-sys 0.5.2...
[INFO] extracting crate libsel4-sys 0.5.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/libsel4-sys/0.5.2
[INFO] extracting crate libsel4-sys 0.5.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/libsel4-sys/0.5.2
[INFO] validating manifest of libsel4-sys-0.5.2 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libsel4-sys-0.5.2 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libsel4-sys-0.5.2
[INFO] finished frobbing libsel4-sys-0.5.2
[INFO] frobbed toml for libsel4-sys-0.5.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/libsel4-sys/0.5.2/Cargo.toml
[INFO] started frobbing libsel4-sys-0.5.2
[INFO] finished frobbing libsel4-sys-0.5.2
[INFO] frobbed toml for libsel4-sys-0.5.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/libsel4-sys/0.5.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libsel4-sys-0.5.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/libsel4-sys/0.5.2:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 400c9457a51666aeb18a0847e83f0824a2fa6044f2f28c2bd98225087b1eb372
[INFO] running `"docker" "start" "-a" "400c9457a51666aeb18a0847e83f0824a2fa6044f2f28c2bd98225087b1eb372"`
[INFO] [stderr]    Compiling bindgen v0.35.0
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling fel4-config v0.3.2
[INFO] [stderr]    Compiling libsel4-sys v0.5.2 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `libsel4-sys v0.5.2 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/libsel4-sys-20935ae7710e2b60/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'libsel4-sys build.rs had trouble figuring out where to pull fel4 config from. Required environment variable FEL4_MANIFEST_PATH was absent', build.rs:30:19
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c7c1c4a7db - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55c7c1c4a7db - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55c7c1c4a7db - std::sys_common::backtrace::_print::h878d975ca669e1b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55c7c1c4a7db - std::sys_common::backtrace::print::h1b2f6b4885b021f3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55c7c1c4a7db - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55c7c1c4a4dc - std::panicking::default_hook::h9b73316e8577c3fa
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55c7c1c4af50 - std::panicking::rust_panic_with_hook::he062866264d328c5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55c7c1c4aad2 - std::panicking::continue_panic_fmt::hd91e15ffe4fde332
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55c7c1c4aa1f - std::panicking::begin_panic_fmt::h0d4c7186e0dd785f
[INFO] [stderr]                                at src/libstd/panicking.rs:337
[INFO] [stderr]    9:     0x55c7c1522a17 - build_script_build::main::he23dd267fe7d421a
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:30
[INFO] [stderr]   10:     0x55c7c1531570 - std::rt::lang_start::{{closure}}::h41541dd79e8983c4
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x55c7c1c4a953 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   12:     0x55c7c1c4a953 - std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   13:     0x55c7c1c53e5a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   14:     0x55c7c1c4b45d - std::panicking::try::h5986cc11523af350
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   15:     0x55c7c1c4b45d - std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   16:     0x55c7c1c4b45d - std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   17:     0x55c7c1531549 - std::rt::lang_start::h0c4dd4ef2b10c0bf
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55c7c15272ea - main
[INFO] [stderr]   19:     0x7f9f226b72e1 - __libc_start_main
[INFO] [stderr]   20:     0x55c7c15226ca - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "400c9457a51666aeb18a0847e83f0824a2fa6044f2f28c2bd98225087b1eb372"`
[INFO] running `"docker" "rm" "-f" "400c9457a51666aeb18a0847e83f0824a2fa6044f2f28c2bd98225087b1eb372"`
[INFO] [stdout] 400c9457a51666aeb18a0847e83f0824a2fa6044f2f28c2bd98225087b1eb372