[INFO] fetching crate battery-ffi 0.7.5...
[INFO] testing battery-ffi-0.7.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate battery-ffi 0.7.5 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abfbde26d9fa6862f55adf5702ecbc733f515026179424f4fec94fc8cec313eb
[INFO] running `Command { std: "docker" "start" "-a" "abfbde26d9fa6862f55adf5702ecbc733f515026179424f4fec94fc8cec313eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abfbde26d9fa6862f55adf5702ecbc733f515026179424f4fec94fc8cec313eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfbde26d9fa6862f55adf5702ecbc733f515026179424f4fec94fc8cec313eb", kill_on_drop: false }`
[INFO] [stdout] abfbde26d9fa6862f55adf5702ecbc733f515026179424f4fec94fc8cec313eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3742e7889e2d0be9c42f708d10fa2a29b1a8fcabbbc8ba66c70c6c675f87062
[INFO] running `Command { std: "docker" "start" "-a" "b3742e7889e2d0be9c42f708d10fa2a29b1a8fcabbbc8ba66c70c6c675f87062", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[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-7db8aefeb476d0a5/build-script-build` (exit status: 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:     0x55a48506816c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a48506816c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a48506816c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a48506816c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a48508e17c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x55a485065365 - std::io::Write::write_fmt::h1d5220480c7a2437
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55a48506a010 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a48506a010 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a48506a010 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55a485069bc7 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55a48506a6e9 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:628:17
[INFO] [stderr]     11:     0x55a48506a1a0 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55a485068634 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a48506a109 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55a484af8711 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x55a484af86d2 - core::panicking::panic_bounds_check::hb9e5d22d3b96691f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:77:5
[INFO] [stderr]     16:     0x55a484fe73be - <usize as core::slice::index::SliceIndex<[T]>>::index::hcc524a0c0ed6c8a5
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/slice/index.rs:184:10
[INFO] [stderr]     17:     0x55a484fe5127 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::he2aa43c5f96cf573
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/slice/index.rs:15:9
[INFO] [stderr]     18:     0x55a484e9b6b9 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::h2e2107c53d2cdda0
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/vec/mod.rs:2464:9
[INFO] [stderr]     19:     0x55a484ca041a - cbindgen::bindgen::cargo::cargo::parse_dep_string::h53a91ff24bc15bc8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:19:16
[INFO] [stderr]     20:     0x55a484ca1a86 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::h6e7a6c061e97f799
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:125:47
[INFO] [stderr]     21:     0x55a484c8fb23 - core::iter::adapters::map::map_fold::{{closure}}::h2b6d3041cfd46f94
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/iter/adapters/map.rs:84:28
[INFO] [stderr]     22:     0x55a484c4e53c - core::iter::traits::iterator::Iterator::fold::h5e0ee81d0bcd75ff
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/iter/traits/iterator.rs:2164:21
[INFO] [stderr]     23:     0x55a484c86c4c - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::h96c3c464e945ce21
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/iter/adapters/map.rs:124:9
[INFO] [stderr]     24:     0x55a484c8c45a - core::iter::traits::iterator::Iterator::for_each::he8dac28d8c041853
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/iter/traits/iterator.rs:727:9
[INFO] [stderr]     25:     0x55a484d04f9a - <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend::h58e37c11c012cf7d
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/vec/spec_extend.rs:40:17
[INFO] [stderr]     26:     0x55a484cf134d - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter::h87ae7a5948dea6af
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/vec/spec_from_iter_nested.rs:56:9
[INFO] [stderr]     27:     0x55a484d08329 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h0718897133e8575a
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stderr]     28:     0x55a484d02821 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h35475e9b2122560b
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/alloc/src/vec/mod.rs:2485:9
[INFO] [stderr]     29:     0x55a484c8a819 - core::iter::traits::iterator::Iterator::collect::hbb22be475dab8dbc
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/iter/traits/iterator.rs:1739:9
[INFO] [stderr]     30:     0x55a484ca19c9 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::h933d833140a2b21a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:121:9
[INFO] [stderr]     31:     0x55a484d2e754 - cbindgen::bindgen::parser::Parser::parse_crate::h68c57a083ccbc1f7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:159:31
[INFO] [stderr]     32:     0x55a484d2db9d - cbindgen::bindgen::parser::parse_lib::h2263d79132a26213
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:88:5
[INFO] [stderr]     33:     0x55a484ce2f70 - cbindgen::bindgen::builder::Builder::generate::he688768480009f5f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/builder.rs:322:33
[INFO] [stderr]     34:     0x55a484b9cd6a - cbindgen::generate_with_config::hbdb34f37d19481ce
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37:5
[INFO] [stderr]     35:     0x55a484baa648 - build_script_build::build_header::hba053a745cd103ff
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11:5
[INFO] [stderr]     36:     0x55a484baa736 - build_script_build::main::h40ae8c5abc22a5c9
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18:5
[INFO] [stderr]     37:     0x55a484bf273b - core::ops::function::FnOnce::call_once::h9704438431ac8fd0
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     38:     0x55a484beb21e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8b7d74aad50dec9b
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     39:     0x55a484ba5a61 - std::rt::lang_start::{{closure}}::h811ca65df533641a
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:63:18
[INFO] [stderr]     40:     0x55a48506acca - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc590b210ed55e22f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     41:     0x55a48506acca - std::panicking::try::do_call::h5f0600b7a33ea1af
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     42:     0x55a48506acca - std::panicking::try::he15826df0f376a33
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     43:     0x55a48506acca - std::panic::catch_unwind::hd8af3a578b6b4c86
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     44:     0x55a48506acca - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48
[INFO] [stderr]     45:     0x55a48506acca - std::panicking::try::do_call::h941e8fdb0bd03655
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     46:     0x55a48506acca - std::panicking::try::ha20a77bf65530f63
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     47:     0x55a48506acca - std::panic::catch_unwind::h33afc061cc69ef90
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     48:     0x55a48506acca - std::rt::lang_start_internal::hc05c244593147106
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20
[INFO] [stderr]     49:     0x55a484ba5a30 - std::rt::lang_start::h13956f5122876949
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:62:5
[INFO] [stderr]     50:     0x55a484baa75c - main
[INFO] [stderr]     51:     0x7fd002ec50b3 - __libc_start_main
[INFO] [stderr]     52:     0x55a484af8f0e - _start
[INFO] [stderr]     53:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b3742e7889e2d0be9c42f708d10fa2a29b1a8fcabbbc8ba66c70c6c675f87062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3742e7889e2d0be9c42f708d10fa2a29b1a8fcabbbc8ba66c70c6c675f87062", kill_on_drop: false }`
[INFO] [stdout] b3742e7889e2d0be9c42f708d10fa2a29b1a8fcabbbc8ba66c70c6c675f87062