[INFO] fetching crate battery-ffi 0.7.5...
[INFO] checking battery-ffi-0.7.5 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[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 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c590a2544ea522b1c3d885ebb911732f1eaa3798871a47328756e7c0eca670f
[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" "3c590a2544ea522b1c3d885ebb911732f1eaa3798871a47328756e7c0eca670f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c590a2544ea522b1c3d885ebb911732f1eaa3798871a47328756e7c0eca670f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c590a2544ea522b1c3d885ebb911732f1eaa3798871a47328756e7c0eca670f", kill_on_drop: false }`
[INFO] [stdout] 3c590a2544ea522b1c3d885ebb911732f1eaa3798871a47328756e7c0eca670f
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbc80e30517e33b1ac2f6972ab801ce1e18eeaecee0c61e696576e43a3ebdf7
[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" "4bbc80e30517e33b1ac2f6972ab801ce1e18eeaecee0c61e696576e43a3ebdf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[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-22a074df6c0109c3/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:     0x563806cc71f0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x563806cc71f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563806cc71f0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563806cc71f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563806ceacfc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/fmt/mod.rs:1096:17
[INFO] [stderr]      5:     0x563806cc3df2 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x563806cc9755 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563806cc9755 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563806cc9755 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563806cc92b3 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563806cc9f16 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x563806cc9a37 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x563806cc768c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563806cc9999 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x563806ce8cf1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563806ce8cb2 - core::panicking::panic_bounds_check::h5752306d250b5620
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/panicking.rs:69:5
[INFO] [stderr]     16:     0x563806b866b2 - <usize as core::slice::index::SliceIndex<[T]>>::index::h82db0304175b4d48
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/slice/index.rs:182:10
[INFO] [stderr]     17:     0x563806b842d3 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h537b2557a8000262
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/slice/index.rs:15:9
[INFO] [stderr]     18:     0x563806b42a49 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::hb7722bcf224a32e6
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/alloc/src/vec/mod.rs:2176:9
[INFO] [stderr]     19:     0x5638069392d0 - cbindgen::bindgen::cargo::cargo::parse_dep_string::haba131d182cfb238
[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:     0x56380693aa12 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::he9ee4cb4ac1d1177
[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:     0x56380696a479 - core::iter::adapters::map::map_fold::{{closure}}::h3324b38254d741a5
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/iter/adapters/map.rs:80:28
[INFO] [stderr]     22:     0x5638069170be - core::iter::traits::iterator::Iterator::fold::hf8b1efae7ab04ffa
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/iter/traits/iterator.rs:2124:21
[INFO] [stderr]     23:     0x56380696190a - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::h09a0b6cf7133450e
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/iter/adapters/map.rs:120:9
[INFO] [stderr]     24:     0x563806967b1a - core::iter::traits::iterator::Iterator::for_each::h9ca8be9e1b8bcd8c
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/iter/traits/iterator.rs:776:9
[INFO] [stderr]     25:     0x56380695fe73 - <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend::hb20c74f276966781
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/alloc/src/vec/spec_extend.rs:42:17
[INFO] [stderr]     26:     0x5638069433e7 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter::h234f05ebaa9d32b1
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/alloc/src/vec/spec_from_iter_nested.rs:53:9
[INFO] [stderr]     27:     0x563806960f09 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h1002a0d5d31e7b3c
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/alloc/src/vec/spec_from_iter.rs:36:9
[INFO] [stderr]     28:     0x56380695b177 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h1ec65970a511182e
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/alloc/src/vec/mod.rs:2196:9
[INFO] [stderr]     29:     0x563806966669 - core::iter::traits::iterator::Iterator::collect::h0e21b4454e62192e
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/iter/traits/iterator.rs:1765:9
[INFO] [stderr]     30:     0x56380693a945 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::h6fe1d2811960a07b
[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:     0x5638069701d7 - cbindgen::bindgen::parser::Parser::parse_crate::h983c815019166c55
[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:     0x56380696f447 - cbindgen::bindgen::parser::parse_lib::hc5a4b72f4132551c
[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:     0x563806831002 - cbindgen::bindgen::builder::Builder::generate::h4c66c446cad12057
[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:     0x5638067a102e - cbindgen::generate_with_config::h154d0a6d8fcfb7d7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37:5
[INFO] [stderr]     35:     0x5638067e4ea0 - build_script_build::build_header::h0a7e563bec41287b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11:5
[INFO] [stderr]     36:     0x5638067e4fb9 - build_script_build::main::h273bad5e539f0b26
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18:5
[INFO] [stderr]     37:     0x5638067dc5bb - core::ops::function::FnOnce::call_once::ha80bc2a897c2fe41
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     38:     0x5638067db49e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9bcd17aca7db34cf
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     39:     0x563806788dc1 - std::rt::lang_start::{{closure}}::h7af993ada30a5c18
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:66:18
[INFO] [stderr]     40:     0x563806cca407 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     41:     0x563806cca407 - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:379:40
[INFO] [stderr]     42:     0x563806cca407 - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:343:19
[INFO] [stderr]     43:     0x563806cca407 - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panic.rs:431:14
[INFO] [stderr]     44:     0x563806cca407 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:51:25
[INFO] [stderr]     45:     0x563806788d97 - std::rt::lang_start::h54f6dbed7059a730
[INFO] [stderr]                                  at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:65:5
[INFO] [stderr]     46:     0x5638067e4fea - main
[INFO] [stderr]     47:     0x7fd1d550d0b3 - __libc_start_main
[INFO] [stderr]     48:     0x5638066e10de - _start
[INFO] [stderr]     49:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4bbc80e30517e33b1ac2f6972ab801ce1e18eeaecee0c61e696576e43a3ebdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbc80e30517e33b1ac2f6972ab801ce1e18eeaecee0c61e696576e43a3ebdf7", kill_on_drop: false }`
[INFO] [stdout] 4bbc80e30517e33b1ac2f6972ab801ce1e18eeaecee0c61e696576e43a3ebdf7