[INFO] fetching crate battery-ffi 0.7.5...
[INFO] testing battery-ffi-0.7.5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate battery-ffi 0.7.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 060187d001fe936a7ae3fb64d1c65937bf5ce59b079946640ab4dce45a9dece6
[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" "060187d001fe936a7ae3fb64d1c65937bf5ce59b079946640ab4dce45a9dece6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "060187d001fe936a7ae3fb64d1c65937bf5ce59b079946640ab4dce45a9dece6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060187d001fe936a7ae3fb64d1c65937bf5ce59b079946640ab4dce45a9dece6", kill_on_drop: false }`
[INFO] [stdout] 060187d001fe936a7ae3fb64d1c65937bf5ce59b079946640ab4dce45a9dece6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3bcf5248334aa085dde81692cf22f07b07457b88ed4456827c169df2eb890e
[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" "da3bcf5248334aa085dde81692cf22f07b07457b88ed4456827c169df2eb890e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling battery v0.7.6
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling uom v0.29.0
[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-7fc0e26661f85551/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:     0x55622db78c80 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55622db78c80 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55622db78c80 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55622db78c80 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55622db9f5bc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55622db75da7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x55622db7b5e0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55622db7b5e0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55622db7b5e0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55622db7b32c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55622db7bc68 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:573
[INFO] [stderr]     11:     0x55622db7b819 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55622db7910c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55622db7b7d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55622db9d431 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55622db9d3f2 - core::panicking::panic_bounds_check::h2e8c50d2fb4877c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:62
[INFO] [stderr]     16:     0x55622da7e8e2 - <usize as core::slice::SliceIndex<[T]>>::index::h6787b6c2e30b879f
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/slice/mod.rs:3282
[INFO] [stderr]     17:     0x55622da7e383 - core::slice::<impl core::ops::index::Index<I> for [T]>::index::h0a03222c225b1efe
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/slice/mod.rs:3123
[INFO] [stderr]     18:     0x55622da54155 - <alloc::vec::Vec<T> as core::ops::index::Index<I>>::index::h97e844dd4ba26222
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/vec.rs:2000
[INFO] [stderr]     19:     0x55622d7cee71 - cbindgen::bindgen::cargo::cargo::parse_dep_string::he3b9aa81f294b17e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:19
[INFO] [stderr]     20:     0x55622d7d0673 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::h668b6886f5f5eda8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:125
[INFO] [stderr]     21:     0x55622d83fc59 - core::iter::adapters::map_fold::{{closure}}::h0db48d9ceb917960
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/iter/adapters/mod.rs:825
[INFO] [stderr]     22:     0x55622d7b1e0b - core::iter::traits::iterator::Iterator::fold::h8afd06908d7376a5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/iter/traits/iterator.rs:2004
[INFO] [stderr]     23:     0x55622d84978a - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hf4a6bc58293cb400
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/iter/adapters/mod.rs:865
[INFO] [stderr]     24:     0x55622d83b4ba - core::iter::traits::iterator::Iterator::for_each::hf43ded1cdbce82ac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/iter/traits/iterator.rs:651
[INFO] [stderr]     25:     0x55622d77ecd2 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend::h5e0c06c14140cf1c
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/vec.rs:2165
[INFO] [stderr]     26:     0x55622d7863b5 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::from_iter::h727b13f32b1789f3
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/vec.rs:2145
[INFO] [stderr]     27:     0x55622d78e4d7 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h754407f1bdafa54b
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/vec.rs:2020
[INFO] [stderr]     28:     0x55622d839499 - core::iter::traits::iterator::Iterator::collect::hb09f9a61c815a5f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/iter/traits/iterator.rs:1653
[INFO] [stderr]     29:     0x55622d7d059d - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::h08f41361ace91a07
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:121
[INFO] [stderr]     30:     0x55622d807293 - cbindgen::bindgen::parser::Parser::parse_crate::haec4d45515e08fc3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:159
[INFO] [stderr]     31:     0x55622d80649c - cbindgen::bindgen::parser::parse_lib::h9c6c12978c5fdc77
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:88
[INFO] [stderr]     32:     0x55622d86b218 - cbindgen::bindgen::builder::Builder::generate::h375c45d91a765337
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/builder.rs:322
[INFO] [stderr]     33:     0x55622d643470 - cbindgen::generate_with_config::h22c6c8675cea764c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37
[INFO] [stderr]     34:     0x55622d6335f9 - build_script_build::build_header::h94886b24ac749929
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11
[INFO] [stderr]     35:     0x55622d6336f6 - build_script_build::main::h4ffa358d61fbdfff
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18
[INFO] [stderr]     36:     0x55622d68b04b - core::ops::function::FnOnce::call_once::hc64f13f5fe6bb53f
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     37:     0x55622d63fe5e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc21ea59be70c2185
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     38:     0x55622d6404a1 - std::rt::lang_start::{{closure}}::h1fd11869cc65fe30
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     39:     0x55622db7c111 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     40:     0x55622db7c111 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     41:     0x55622db7c111 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     42:     0x55622db7c111 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     43:     0x55622db7c111 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     44:     0x55622d640477 - std::rt::lang_start::h962ca491997c5c61
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     45:     0x55622d63372a - main
[INFO] [stderr]     46:     0x7fe8ea47e0b3 - __libc_start_main
[INFO] [stderr]     47:     0x55622d5930de - _start
[INFO] [stderr]     48:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "da3bcf5248334aa085dde81692cf22f07b07457b88ed4456827c169df2eb890e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3bcf5248334aa085dde81692cf22f07b07457b88ed4456827c169df2eb890e", kill_on_drop: false }`
[INFO] [stdout] da3bcf5248334aa085dde81692cf22f07b07457b88ed4456827c169df2eb890e
