[INFO] fetching crate battery-ffi 0.7.5...
[INFO] testing battery-ffi-0.7.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate battery-ffi 0.7.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.5 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ae750eb3231bb1e4de6f216d7033a23704812b606bfd138d19725dd2089c94
[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" "c6ae750eb3231bb1e4de6f216d7033a23704812b606bfd138d19725dd2089c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ae750eb3231bb1e4de6f216d7033a23704812b606bfd138d19725dd2089c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ae750eb3231bb1e4de6f216d7033a23704812b606bfd138d19725dd2089c94", kill_on_drop: false }`
[INFO] [stdout] c6ae750eb3231bb1e4de6f216d7033a23704812b606bfd138d19725dd2089c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59720a0c612d90d1a1d611d2310d70fd0047f02f0db07a618134548a9d59f107
[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" "59720a0c612d90d1a1d611d2310d70fd0047f02f0db07a618134548a9d59f107", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[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-38ae1ea53def122d/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:     0x55ad5b4f7c90 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55ad5b4f7c90 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ad5b4f7c90 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ad5b4f7c90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he009dcaaa75eed60
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ad5b51e69c - core::fmt::write::h77b4746b0dea1dd3
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55ad5b4f4a32 - std::io::Write::write_fmt::heb7e50902e98831c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x55ad5b4fa5f5 - std::sys_common::backtrace::_print::h2d880c9e69a21be9
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ad5b4fa5f5 - std::sys_common::backtrace::print::h5f02b1bb49f36879
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ad5b4fa5f5 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ad5b4fa298 - std::panicking::default_hook::hb52d73f0da9a4bb8
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55ad5b4fadb6 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:597:17
[INFO] [stderr]     11:     0x55ad5b4fa8d7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55ad5b4f814c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ad5b4fa839 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55ad5b51c601 - core::panicking::panic_fmt::ha0bb065d9a260792
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55ad5b51c5c2 - core::panicking::panic_bounds_check::h625de1b83193c0a3
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:69:5
[INFO] [stderr]     16:     0x55ad5b3b0fa2 - <usize as core::slice::index::SliceIndex<[T]>>::index::h13e77c1e4c464534
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/slice/index.rs:182:10
[INFO] [stderr]     17:     0x55ad5b3b02d3 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::hc51b1916ba63759f
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/slice/index.rs:15:9
[INFO] [stderr]     18:     0x55ad5b3ccfe9 - <alloc::vec::Vec<T> as core::ops::index::Index<I>>::index::h322d398155225895
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:1939:9
[INFO] [stderr]     19:     0x55ad5b144d30 - cbindgen::bindgen::cargo::cargo::parse_dep_string::h079fbee9af864c16
[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:     0x55ad5b146472 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::h5ed523d9b336021f
[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:     0x55ad5b1d80d9 - core::iter::adapters::map_fold::{{closure}}::hc29512f935f39589
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/iter/adapters/mod.rs:905:28
[INFO] [stderr]     22:     0x55ad5b1310fe - core::iter::traits::iterator::Iterator::fold::h51a65657faad50fa
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/iter/traits/iterator.rs:2023:21
[INFO] [stderr]     23:     0x55ad5b1e29ba - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hd3b7f594bceffb69
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/iter/adapters/mod.rs:945:9
[INFO] [stderr]     24:     0x55ad5b1d02ba - core::iter::traits::iterator::Iterator::for_each::h066e5d645fc85a8d
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/iter/traits/iterator.rs:678:9
[INFO] [stderr]     25:     0x55ad5b0f77a3 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend::h213c3d6d5c0f29a6
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:2335:17
[INFO] [stderr]     26:     0x55ad5b107459 - <alloc::vec::Vec<T> as alloc::vec::SpecFromIterNested<T,I>>::from_iter::h9556efde0f290e40
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:2109:9
[INFO] [stderr]     27:     0x55ad5b0fe979 - <alloc::vec::Vec<T> as alloc::vec::SpecFromIter<T,I>>::from_iter::h513152bd60cc92f1
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:2119:9
[INFO] [stderr]     28:     0x55ad5b109867 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h7ca75ed7ca33ab11
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:1959:9
[INFO] [stderr]     29:     0x55ad5b1cfed9 - core::iter::traits::iterator::Iterator::collect::hcea90ceb18d0fa87
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/iter/traits/iterator.rs:1670:9
[INFO] [stderr]     30:     0x55ad5b1463a1 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::h2f074c4bf6bfddcb
[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:     0x55ad5b1810ca - cbindgen::bindgen::parser::Parser::parse_crate::hb7d18b8cea1615fb
[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:     0x55ad5b180337 - cbindgen::bindgen::parser::parse_lib::h7078613ca19a5157
[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:     0x55ad5b04de3a - cbindgen::bindgen::builder::Builder::generate::hf1d9d9388d335721
[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:     0x55ad5afbcc75 - cbindgen::generate_with_config::hfcc5b8f219a52931
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37:5
[INFO] [stderr]     35:     0x55ad5b00008b - build_script_build::build_header::h8ebf2184ce9cda11
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11:5
[INFO] [stderr]     36:     0x55ad5b0001a6 - build_script_build::main::hb3a0f22739f418df
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18:5
[INFO] [stderr]     37:     0x55ad5aff6e4b - core::ops::function::FnOnce::call_once::h92d48c406a745252
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     38:     0x55ad5afb9eae - std::sys_common::backtrace::__rust_begin_short_backtrace::hcf76894fb4888469
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     39:     0x55ad5afaf081 - std::rt::lang_start::{{closure}}::h36b5a938ae024c3d
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18
[INFO] [stderr]     40:     0x55ad5b4fb2a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h57e2a071d427b24c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     41:     0x55ad5b4fb2a7 - std::panicking::try::do_call::h81cbbe0c3b30a28e
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40
[INFO] [stderr]     42:     0x55ad5b4fb2a7 - std::panicking::try::hbeeb95b4e1f0a876
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19
[INFO] [stderr]     43:     0x55ad5b4fb2a7 - std::panic::catch_unwind::h59c48ccb40a0bf20
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14
[INFO] [stderr]     44:     0x55ad5b4fb2a7 - std::rt::lang_start_internal::ha53ab63f88fee728
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25
[INFO] [stderr]     45:     0x55ad5afaf057 - std::rt::lang_start::hafc500dff80322e8
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5
[INFO] [stderr]     46:     0x55ad5b0001da - main
[INFO] [stderr]     47:     0x7f77d260a0b3 - __libc_start_main
[INFO] [stderr]     48:     0x55ad5af010de - _start
[INFO] [stderr]     49:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "59720a0c612d90d1a1d611d2310d70fd0047f02f0db07a618134548a9d59f107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59720a0c612d90d1a1d611d2310d70fd0047f02f0db07a618134548a9d59f107", kill_on_drop: false }`
[INFO] [stdout] 59720a0c612d90d1a1d611d2310d70fd0047f02f0db07a618134548a9d59f107