[INFO] fetching crate battery-ffi 0.7.5...
[INFO] checking battery-ffi-0.7.5 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate battery-ffi 0.7.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.5 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate battery-ffi 0.7.5
[INFO] finished tweaking crates.io crate battery-ffi 0.7.5
[INFO] tweaked toml for crates.io crate battery-ffi 0.7.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbindgen v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b476f12845554e31684f0d96436d209696802a1ae0c8bab10d6e654e8d5e4e1
[INFO] running `Command { std: "docker" "start" "-a" "1b476f12845554e31684f0d96436d209696802a1ae0c8bab10d6e654e8d5e4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b476f12845554e31684f0d96436d209696802a1ae0c8bab10d6e654e8d5e4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b476f12845554e31684f0d96436d209696802a1ae0c8bab10d6e654e8d5e4e1", kill_on_drop: false }`
[INFO] [stdout] 1b476f12845554e31684f0d96436d209696802a1ae0c8bab10d6e654e8d5e4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f23f1d113aefae98bb5d9b9bd2e814f465a07a1f5631b1df36a607d2f6c8c16c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f23f1d113aefae98bb5d9b9bd2e814f465a07a1f5631b1df36a607d2f6c8c16c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling battery-ffi v0.7.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `battery-ffi v0.7.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/battery-ffi-d94fc2b56e2b1204/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'index out of bounds: the len is 1 but the index is 1', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:19:16
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562a8c800375 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x562a8c800375 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x562a8c800375 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x562a8c800375 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h589f1bf1cf74dd71
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x562a8c82b1dc - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x562a8c7fd0b2 - std::io::Write::write_fmt::hbbad3ca30e02a58a
[INFO] [stderr]                                  at library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x562a8c803060 - std::sys_common::backtrace::_print::h96b2d71887f0b186
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x562a8c803060 - std::sys_common::backtrace::print::h6cd6e92e674a16a4
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x562a8c803060 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14
[INFO] [stderr]                                  at library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x562a8c802dac - std::panicking::default_hook::h3c589b4200c4e9d0
[INFO] [stderr]                                  at library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x562a8c8036c8 - std::panicking::rust_panic_with_hook::h99205632f2cac760
[INFO] [stderr]                                  at library/std/src/panicking.rs:530
[INFO] [stderr]     11:     0x562a8c80329b - rust_begin_unwind
[INFO] [stderr]                                  at library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x562a8c829141 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x562a8c829102 - core::panicking::panic_bounds_check::h2548c0d51a60753a
[INFO] [stderr]                                  at library/core/src/panicking.rs:62
[INFO] [stderr]     14:     0x562a8c69c2d2 - <usize as core::slice::SliceIndex<[T]>>::index::hdef3503a68cd9073
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/slice/mod.rs:3116
[INFO] [stderr]     15:     0x562a8c69be03 - core::slice::<impl core::ops::index::Index<I> for [T]>::index::h544dc9b7fc2477a3
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/slice/mod.rs:2959
[INFO] [stderr]     16:     0x562a8c7849c5 - <alloc::vec::Vec<T> as core::ops::index::Index<I>>::index::h9fb089879868502d
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/alloc/src/vec.rs:1973
[INFO] [stderr]     17:     0x562a8c4b7621 - cbindgen::bindgen::cargo::cargo::parse_dep_string::h0c8a978c45802998
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:19
[INFO] [stderr]     18:     0x562a8c4b8e63 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::hb26a886f0478987f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:125
[INFO] [stderr]     19:     0x562a8c48e669 - core::iter::adapters::map_fold::{{closure}}::h8d6364522c37e7cf
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/iter/adapters/mod.rs:833
[INFO] [stderr]     20:     0x562a8c3d7fdb - core::iter::traits::iterator::Iterator::fold::h659047d341345bc1
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/iter/traits/iterator.rs:2003
[INFO] [stderr]     21:     0x562a8c49ecba - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hfc1203848bd152d8
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/iter/adapters/mod.rs:873
[INFO] [stderr]     22:     0x562a8c486f2a - core::iter::traits::iterator::Iterator::for_each::hc612f6c116743eb1
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/iter/traits/iterator.rs:649
[INFO] [stderr]     23:     0x562a8c41f122 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend::h719f715a0f9735b6
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/alloc/src/vec.rs:2138
[INFO] [stderr]     24:     0x562a8c428a55 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::from_iter::h7bbbbfff882056ff
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/alloc/src/vec.rs:2118
[INFO] [stderr]     25:     0x562a8c431697 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hbf72e1a77fa910ad
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/alloc/src/vec.rs:1993
[INFO] [stderr]     26:     0x562a8c484409 - core::iter::traits::iterator::Iterator::collect::h2b0b0c4643763838
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/iter/traits/iterator.rs:1652
[INFO] [stderr]     27:     0x562a8c4b8d97 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::he5c364c505b44d5f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:121
[INFO] [stderr]     28:     0x562a8c4f9a71 - cbindgen::bindgen::parser::Parser::parse_crate::h0a3519f2da85895c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:159
[INFO] [stderr]     29:     0x562a8c4f8c6c - cbindgen::bindgen::parser::parse_lib::h6a28115ccbefc922
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:88
[INFO] [stderr]     30:     0x562a8c37bdc8 - cbindgen::bindgen::builder::Builder::generate::h051ab80e99e673bf
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/builder.rs:322
[INFO] [stderr]     31:     0x562a8c317b21 - cbindgen::generate_with_config::he396319d1f5722fc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37
[INFO] [stderr]     32:     0x562a8c317e9f - build_script_build::build_header::h9dcce62c61fc8bba
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11
[INFO] [stderr]     33:     0x562a8c317fa6 - build_script_build::main::h398535f4067b36ce
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18
[INFO] [stderr]     34:     0x562a8c2bed2b - std::rt::lang_start::{{closure}}::hb7741820f9bb797a
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67
[INFO] [stderr]     35:     0x562a8c803b43 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09
[INFO] [stderr]                                  at library/std/src/rt.rs:52
[INFO] [stderr]     36:     0x562a8c803b43 - std::panicking::try::do_call::haffb1227d43d77f1
[INFO] [stderr]                                  at library/std/src/panicking.rs:348
[INFO] [stderr]     37:     0x562a8c803b43 - std::panicking::try::hc085bbb3f48e6fb0
[INFO] [stderr]                                  at library/std/src/panicking.rs:325
[INFO] [stderr]     38:     0x562a8c803b43 - std::panic::catch_unwind::h0d91c438fed06f5e
[INFO] [stderr]                                  at library/std/src/panic.rs:394
[INFO] [stderr]     39:     0x562a8c803b43 - std::rt::lang_start_internal::h9a2f79aa5e187e95
[INFO] [stderr]                                  at library/std/src/rt.rs:51
[INFO] [stderr]     40:     0x562a8c2bed07 - std::rt::lang_start::h36978f781fb17e3e
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67
[INFO] [stderr]     41:     0x562a8c317fda - main
[INFO] [stderr]     42:     0x7fd8d83070b3 - __libc_start_main
[INFO] [stderr]     43:     0x562a8c2161be - _start
[INFO] [stderr]     44:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f23f1d113aefae98bb5d9b9bd2e814f465a07a1f5631b1df36a607d2f6c8c16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23f1d113aefae98bb5d9b9bd2e814f465a07a1f5631b1df36a607d2f6c8c16c", kill_on_drop: false }`
[INFO] [stdout] f23f1d113aefae98bb5d9b9bd2e814f465a07a1f5631b1df36a607d2f6c8c16c