[INFO] fetching crate battery-ffi 0.7.5...
[INFO] checking battery-ffi-0.7.5 against beta for pr-78714
[INFO] extracting crate battery-ffi 0.7.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a065f5f80b7403a49ba0f8f58a764427f926cfe28f55a90d3506b65e04b4e952
[INFO] running `Command { std: "docker" "start" "-a" "a065f5f80b7403a49ba0f8f58a764427f926cfe28f55a90d3506b65e04b4e952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a065f5f80b7403a49ba0f8f58a764427f926cfe28f55a90d3506b65e04b4e952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a065f5f80b7403a49ba0f8f58a764427f926cfe28f55a90d3506b65e04b4e952", kill_on_drop: false }`
[INFO] [stdout] a065f5f80b7403a49ba0f8f58a764427f926cfe28f55a90d3506b65e04b4e952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d0483fe7efe2f7a6bf1ea6377c6cd9e4433712c23d437d5ed6a6866da6f8d3
[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" "40d0483fe7efe2f7a6bf1ea6377c6cd9e4433712c23d437d5ed6a6866da6f8d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cbindgen v0.10.1
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[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 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-d6c92a59f0b17176/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:     0x557e72658bf0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x557e72658bf0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x557e72658bf0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x557e72658bf0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x557e7267ebfc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x557e726559c2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x557e7265b50d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x557e7265b50d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x557e7265b50d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x557e7265b1b8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x557e7265bc16 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:581
[INFO] [stderr]     11:     0x557e7265b799 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x557e7265907c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x557e7265b759 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x557e7267cad1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x557e7267ca92 - core::panicking::panic_bounds_check::h8425c6fb7de41e04
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/panicking.rs:62
[INFO] [stderr]     16:     0x557e7246d0a2 - <usize as core::slice::index::SliceIndex<[T]>>::index::h5355c097baebed20
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/slice/index.rs:255
[INFO] [stderr]     17:     0x557e7246cb23 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h111e246230d6f49f
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/slice/index.rs:15
[INFO] [stderr]     18:     0x557e7253f9b5 - <alloc::vec::Vec<T> as core::ops::index::Index<I>>::index::hf8c3d18b189864a4
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/alloc/src/vec.rs:1982
[INFO] [stderr]     19:     0x557e722cebf1 - cbindgen::bindgen::cargo::cargo::parse_dep_string::h5d9880b2b9c57449
[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:     0x557e722d03d3 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::{{closure}}::h2f5844f03b75eb92
[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:     0x557e723190a9 - core::iter::adapters::map_fold::{{closure}}::h48ba149d70b103fe
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/iter/adapters/mod.rs:905
[INFO] [stderr]     22:     0x557e72295ffb - core::iter::traits::iterator::Iterator::fold::hb687cd29dd7320ad
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/iter/traits/iterator.rs:2023
[INFO] [stderr]     23:     0x557e7231f69a - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::h3e2cce6609febecc
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/iter/adapters/mod.rs:945
[INFO] [stderr]     24:     0x557e72313a4a - core::iter::traits::iterator::Iterator::for_each::hd864f46a45ca9947
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/iter/traits/iterator.rs:678
[INFO] [stderr]     25:     0x557e7225b562 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend::hb034d6b9e87699d6
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/alloc/src/vec.rs:2378
[INFO] [stderr]     26:     0x557e72268cd5 - <alloc::vec::Vec<T> as alloc::vec::SpecFromIterNested<T,I>>::from_iter::h8a89d904ce62c7fc
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/alloc/src/vec.rs:2152
[INFO] [stderr]     27:     0x557e7225fa49 - <alloc::vec::Vec<T> as alloc::vec::SpecFromIter<T,I>>::from_iter::h36bda469edaab91e
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/alloc/src/vec.rs:2162
[INFO] [stderr]     28:     0x557e7226b4d7 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hfd79b81dcc018c46
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/alloc/src/vec.rs:2002
[INFO] [stderr]     29:     0x557e72311c99 - core::iter::traits::iterator::Iterator::collect::h47b499eeef49da15
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/iter/traits/iterator.rs:1670
[INFO] [stderr]     30:     0x557e722d0307 - cbindgen::bindgen::cargo::cargo::Cargo::dependencies::haa77ee2b309e06af
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/cargo/cargo.rs:121
[INFO] [stderr]     31:     0x557e722e3436 - cbindgen::bindgen::parser::Parser::parse_crate::h82e505b1ad4d9c92
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:159
[INFO] [stderr]     32:     0x557e722e263c - cbindgen::bindgen::parser::parse_lib::h70c07f41c8c603a5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/parser.rs:88
[INFO] [stderr]     33:     0x557e72324518 - cbindgen::bindgen::builder::Builder::generate::h7f54c7b4fea8adad
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/bindgen/builder.rs:322
[INFO] [stderr]     34:     0x557e721104c0 - cbindgen::generate_with_config::hf807080da2619ea0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.10.1/src/lib.rs:37
[INFO] [stderr]     35:     0x557e7215eb59 - build_script_build::build_header::h7f65ab7266602a00
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:11
[INFO] [stderr]     36:     0x557e7215ec56 - build_script_build::main::h367ec083cc887020
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18
[INFO] [stderr]     37:     0x557e721181eb - core::ops::function::FnOnce::call_once::haa0f032e90fcd50e
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/ops/function.rs:227
[INFO] [stderr]     38:     0x557e7211720e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9a7d1c25aae9db45
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     39:     0x557e7210c221 - std::rt::lang_start::{{closure}}::hbf6261759e18d0a7
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:66
[INFO] [stderr]     40:     0x557e7265c107 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/ops/function.rs:259
[INFO] [stderr]     41:     0x557e7265c107 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:381
[INFO] [stderr]     42:     0x557e7265c107 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:345
[INFO] [stderr]     43:     0x557e7265c107 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panic.rs:382
[INFO] [stderr]     44:     0x557e7265c107 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:51
[INFO] [stderr]     45:     0x557e7210c1f7 - std::rt::lang_start::h9ab7401aedd07ec9
[INFO] [stderr]                                  at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:65
[INFO] [stderr]     46:     0x557e7215ec8a - main
[INFO] [stderr]     47:     0x7f4461db50b3 - __libc_start_main
[INFO] [stderr]     48:     0x557e720570de - _start
[INFO] [stderr]     49:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "40d0483fe7efe2f7a6bf1ea6377c6cd9e4433712c23d437d5ed6a6866da6f8d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d0483fe7efe2f7a6bf1ea6377c6cd9e4433712c23d437d5ed6a6866da6f8d3", kill_on_drop: false }`
[INFO] [stdout] 40d0483fe7efe2f7a6bf1ea6377c6cd9e4433712c23d437d5ed6a6866da6f8d3