[INFO] fetching crate battery-ffi 0.7.5...
[INFO] checking battery-ffi-0.7.5 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate battery-ffi 0.7.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.5 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c88c88b375bebe8ffc98ef9e2e9619cf08dac43e9dd4adcf7b6340289e830364
[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" "c88c88b375bebe8ffc98ef9e2e9619cf08dac43e9dd4adcf7b6340289e830364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c88c88b375bebe8ffc98ef9e2e9619cf08dac43e9dd4adcf7b6340289e830364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88c88b375bebe8ffc98ef9e2e9619cf08dac43e9dd4adcf7b6340289e830364", kill_on_drop: false }`
[INFO] [stdout] c88c88b375bebe8ffc98ef9e2e9619cf08dac43e9dd4adcf7b6340289e830364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fcbec922c20d856795f95fb617548245c4d48991871cd35ebb8e1cb63619dd
[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" "e4fcbec922c20d856795f95fb617548245c4d48991871cd35ebb8e1cb63619dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.48
[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 toml v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[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-1d6a736d80ef381e/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:     0x55cc918c4780 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55cc918c4780 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cc918c4780 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55cc918c4780 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55cc918eacbc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55cc918c1522 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x55cc918c70e5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55cc918c70e5 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55cc918c70e5 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55cc918c6d88 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55cc918c78a6 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:597:17
[INFO] [stderr]     11:     0x55cc918c73c7 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55cc918c4c1c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55cc918c7329 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55cc918e8c21 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55cc918e8be2 - core::panicking::panic_bounds_check::hec58b3e6eeb445f1
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/panicking.rs:69:5
[INFO] [stderr]     16:     0x55cc917786f2 - <usize as core::slice::index::SliceIndex<[T]>>::index::h201c39340d9c4ecc
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/slice/index.rs:182:10
[INFO] [stderr]     17:     0x55cc91777963 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h26c2dc4471419900
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/slice/index.rs:15:9
[INFO] [stderr]     18:     0x55cc917ab3f9 - <alloc::vec::Vec<T> as core::ops::index::Index<I>>::index::hde4b4f239e82b2ea
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/alloc/src/vec.rs:1939:9
[INFO] [stderr]     19:     0x55cc9153a0c0 - cbindgen::bindgen::cargo::cargo::parse_dep_string::h78f420caaa01bf53
[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:     0x55cc9153b802 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::hfafcca547d5b2078
[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:     0x55cc9158ba49 - core::iter::adapters::map_fold::{{closure}}::h8b829e8288d53c54
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/iter/adapters/mod.rs:905:28
[INFO] [stderr]     22:     0x55cc9150682e - core::iter::traits::iterator::Iterator::fold::hcbc166522eed89a2
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/iter/traits/iterator.rs:2023:21
[INFO] [stderr]     23:     0x55cc915917ca - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hfabc76c5a9c8ad2b
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/iter/adapters/mod.rs:945:9
[INFO] [stderr]     24:     0x55cc91584f5a - core::iter::traits::iterator::Iterator::for_each::h82470b9f37384fe1
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/iter/traits/iterator.rs:678:9
[INFO] [stderr]     25:     0x55cc914cc653 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend::h9be10951701b177a
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/alloc/src/vec.rs:2337:17
[INFO] [stderr]     26:     0x55cc914d8b59 - <alloc::vec::Vec<T> as alloc::vec::SpecFromIterNested<T,I>>::from_iter::h423a5a2a4cbda9ca
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/alloc/src/vec.rs:2109:9
[INFO] [stderr]     27:     0x55cc914d2619 - <alloc::vec::Vec<T> as alloc::vec::SpecFromIter<T,I>>::from_iter::hb28604c062a46a5f
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/alloc/src/vec.rs:2119:9
[INFO] [stderr]     28:     0x55cc914dc907 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::he9c92db1c03a5941
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/alloc/src/vec.rs:1959:9
[INFO] [stderr]     29:     0x55cc91583d79 - core::iter::traits::iterator::Iterator::collect::hac6f06d60562e92e
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/iter/traits/iterator.rs:1670:9
[INFO] [stderr]     30:     0x55cc9153b731 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::h4cbbc03078448e32
[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:     0x55cc915523ba - cbindgen::bindgen::parser::Parser::parse_crate::h0e098cc9b0f48aed
[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:     0x55cc91551627 - cbindgen::bindgen::parser::parse_lib::h60372d170f2cfcca
[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:     0x55cc915b52fa - cbindgen::bindgen::builder::Builder::generate::hef0ad413de6c424a
[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:     0x55cc91392c05 - cbindgen::generate_with_config::h634a4f741f73b1bd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37:5
[INFO] [stderr]     35:     0x55cc913d5feb - build_script_build::build_header::hcff58fb5b8ae1ef4
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11:5
[INFO] [stderr]     36:     0x55cc913d6106 - build_script_build::main::h8d7e3e22aeb97a0b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18:5
[INFO] [stderr]     37:     0x55cc913cce0b - core::ops::function::FnOnce::call_once::h8b5325c499aa1bfc
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     38:     0x55cc9138fe7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8453c7c741a60ca7
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     39:     0x55cc913738d1 - std::rt::lang_start::{{closure}}::hcc46fb43bf6d2d5a
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/rt.rs:66:18
[INFO] [stderr]     40:     0x55cc918c7d97 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     41:     0x55cc918c7d97 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:381:40
[INFO] [stderr]     42:     0x55cc918c7d97 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panicking.rs:345:19
[INFO] [stderr]     43:     0x55cc918c7d97 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/panic.rs:382:14
[INFO] [stderr]     44:     0x55cc918c7d97 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/rt.rs:51:25
[INFO] [stderr]     45:     0x55cc913738a7 - std::rt::lang_start::hec471a7ed0437065
[INFO] [stderr]                                  at /rustc/31ee872db5aae4750e3da1ca4ed1523c4356947f/library/std/src/rt.rs:65:5
[INFO] [stderr]     46:     0x55cc913d613a - main
[INFO] [stderr]     47:     0x7fa3defff0b3 - __libc_start_main
[INFO] [stderr]     48:     0x55cc912d70de - _start
[INFO] [stderr]     49:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e4fcbec922c20d856795f95fb617548245c4d48991871cd35ebb8e1cb63619dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fcbec922c20d856795f95fb617548245c4d48991871cd35ebb8e1cb63619dd", kill_on_drop: false }`
[INFO] [stdout] e4fcbec922c20d856795f95fb617548245c4d48991871cd35ebb8e1cb63619dd