[INFO] fetching crate appscraps_module 0.1.0...
[INFO] checking appscraps_module-0.1.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate appscraps_module 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate appscraps_module 0.1.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appscraps_module 0.1.0
[INFO] finished tweaking crates.io crate appscraps_module 0.1.0
[INFO] tweaked toml for crates.io crate appscraps_module 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding error-chain v0.5.0 (available: v0.12.4)
[INFO] [stderr]       Adding serde v0.8.23 (available: v1.0.215)
[INFO] [stderr]       Adding serde_codegen v0.8.9 (available: v0.8.23)
[INFO] [stderr]       Adding serde_json v0.8.6 (available: v1.0.133)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded serde_codegen v0.8.9
[INFO] [stderr]   Downloaded syntex_pos v0.44.0
[INFO] [stderr]   Downloaded quasi v0.20.1
[INFO] [stderr]   Downloaded quasi_codegen v0.20.0
[INFO] [stderr]   Downloaded serde_macros v0.8.9
[INFO] [stderr]   Downloaded serde_codegen_internals v0.8.9
[INFO] [stderr]   Downloaded quasi_macros v0.20.0
[INFO] [stderr]   Downloaded aster v0.27.0
[INFO] [stderr]   Downloaded syntex v0.44.0
[INFO] [stderr]   Downloaded syntex_errors v0.44.0
[INFO] [stderr]   Downloaded syntex_syntax v0.44.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26321615aa4f26b88a1b0771ceb88332dd55215e62e6dcae64830ea1228414fb
[INFO] running `Command { std: "docker" "start" "-a" "26321615aa4f26b88a1b0771ceb88332dd55215e62e6dcae64830ea1228414fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26321615aa4f26b88a1b0771ceb88332dd55215e62e6dcae64830ea1228414fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26321615aa4f26b88a1b0771ceb88332dd55215e62e6dcae64830ea1228414fb", kill_on_drop: false }`
[INFO] [stdout] 26321615aa4f26b88a1b0771ceb88332dd55215e62e6dcae64830ea1228414fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32a55d1842f606f36eeb0c7e32311474055fcaa229387ab50aa06e3ea12ccde4
[INFO] running `Command { std: "docker" "start" "-a" "32a55d1842f606f36eeb0c7e32311474055fcaa229387ab50aa06e3ea12ccde4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]    Compiling syntex_pos v0.44.0
[INFO] [stderr]    Compiling syntex_errors v0.44.0
[INFO] [stderr]    Compiling syntex_syntax v0.44.1
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]    Compiling syntex v0.44.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.8.9
[INFO] [stderr]    Compiling quasi v0.20.1
[INFO] [stderr]    Compiling quasi_codegen v0.20.0
[INFO] [stderr]    Compiling serde_codegen v0.8.9
[INFO] [stderr] error: failed to run custom build command for `serde_codegen v0.8.9`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/serde_codegen-43609efaa069d017/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at core/src/panicking.rs:223:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a03f8d314aa - std::backtrace_rs::backtrace::libunwind::trace::h4a182ed5026c4960
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5a03f8d314aa - std::backtrace_rs::backtrace::trace_unsynchronized::hd36eaf0d0af663ac
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5a03f8d314aa - std::sys::backtrace::_print_fmt::h5bc686de8bf76aa3
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5a03f8d314aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd8bd9250b5d34cf2
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5a03f8d50643 - core::fmt::rt::Argument::fmt::h479db8f948910918
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5a03f8d50643 - core::fmt::write::h8ea7001525e04e92
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/mod.rs:1189:21
[INFO] [stderr]      6:     0x5a03f8d2e5e3 - std::io::Write::write_fmt::h9a3a3a90a20c720b
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/io/mod.rs:1884:15
[INFO] [stderr]      7:     0x5a03f8d312f2 - std::sys::backtrace::BacktraceLock::print::h524f4afae71bff25
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5a03f8d322bc - std::panicking::default_hook::{{closure}}::hbf0efdb45c0ec2fa
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5a03f8d32102 - std::panicking::default_hook::hd8655fd75a36fb4e
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5a03f8d328f7 - std::panicking::rust_panic_with_hook::hfd3e39fd18e5a522
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5a03f8d32756 - std::panicking::begin_panic_handler::{{closure}}::h541106c2fc98c78e
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:667:13
[INFO] [stderr]     12:     0x5a03f8d31989 - std::sys::backtrace::__rust_end_short_backtrace::hd41b812be983a407
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5a03f8d3241c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5a03f8d4f82d - core::panicking::panic_nounwind_fmt::runtime::h603a78faffa60500
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/panicking.rs:119:22
[INFO] [stderr]     15:     0x5a03f8d4f82d - core::panicking::panic_nounwind_fmt::h10e990d0b43f11f6
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/intrinsics/mod.rs:3535:9
[INFO] [stderr]     16:     0x5a03f8d4f8c2 - core::panicking::panic_nounwind::h77de2e8d15ec29ff
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/panicking.rs:223:5
[INFO] [stderr]     17:     0x5a03f8c31c5b - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::heb097d17102d9fa1
[INFO] [stderr]     18:     0x5a03f8c31822 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h5438a31764bf73cd
[INFO] [stderr]     19:     0x5a03f8bcc105 - core::slice::<impl [T]>::get_unchecked::h12978fa143e53a6f
[INFO] [stderr]     20:     0x5a03f8af4654 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h95eac3f6e1e15228
[INFO] [stderr]     21:     0x5a03f8b8748c - syntex_syntax::fold::noop_fold_mod::h13083ab6890021b4
[INFO] [stderr]     22:     0x5a03f8c794af - syntex_syntax::fold::Folder::fold_mod::hbc341e62200390fc
[INFO] [stderr]     23:     0x5a03f8b824ea - syntex_syntax::fold::noop_fold_item_kind::hdbc060e0bc1aa557
[INFO] [stderr]     24:     0x5a03f8c7917f - syntex_syntax::fold::Folder::fold_item_kind::hde09b216afb600c6
[INFO] [stderr]     25:     0x5a03f8b885dd - syntex_syntax::fold::noop_fold_item_simple::h325176be3513528a
[INFO] [stderr]     26:     0x5a03f8c790ef - syntex_syntax::fold::Folder::fold_item_simple::hc9e6374c00c246e9
[INFO] [stderr]     27:     0x5a03f8b8841f - syntex_syntax::fold::noop_fold_item::{{closure}}::h599d4e8a1db685f3
[INFO] [stderr]     28:     0x5a03f8bd6b48 - syntex_syntax::ptr::P<T>::map::hdd41db24378a0dca
[INFO] [stderr]     29:     0x5a03f8b8833b - syntex_syntax::fold::noop_fold_item::ha629e30bff3764d1
[INFO] [stderr]     30:     0x5a03f8c83c64 - syntex_syntax::ext::expand::expand_multi_modified::hb3dfd50004d713e0
[INFO] [stderr]     31:     0x5a03f8bfdf58 - syntex_syntax::ext::decorator::expand_annotatable::h58536877d7b35b82
[INFO] [stderr]     32:     0x5a03f8c82c5c - syntex_syntax::ext::expand::expand_item::hdd8f77144e58b268
[INFO] [stderr]     33:     0x5a03f8c8609c - <syntex_syntax::ext::expand::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h42fded28cd38de7b
[INFO] [stderr]     34:     0x5a03f8b87ad0 - syntex_syntax::fold::noop_fold_crate::h02bab7ffa65cd51f
[INFO] [stderr]     35:     0x5a03f8c8588e - <syntex_syntax::ext::expand::MacroExpander as syntex_syntax::fold::Folder>::fold_crate::h0cd0a7319f644421
[INFO] [stderr]     36:     0x5a03f8c86f12 - syntex_syntax::ext::expand::expand_crate_with_expander::hb8ba672dfb321a1f
[INFO] [stderr]     37:     0x5a03f8c86a74 - syntex_syntax::ext::expand::expand_crate::h4280e00822b4500f
[INFO] [stderr]     38:     0x5a03f8ac71d9 - syntex::Registry::expand_crate::ha5b54d7b517c31b5
[INFO] [stderr]     39:     0x5a03f8a9567e - syntex::Registry::expand::h5399a5d7f4777790
[INFO] [stderr]     40:     0x5a03f8a92738 - quasi_codegen::expand::{{closure}}::ha530755c18caa3ad
[INFO] [stderr]     41:     0x5a03f8a92d76 - std::sys::backtrace::__rust_begin_short_backtrace::h3c0a090fe42b64c1
[INFO] [stderr]     42:     0x5a03f8a98fd9 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb01dad8a6ce60901
[INFO] [stderr]     43:     0x5a03f8a9248a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6e2aab8aa1df99a2
[INFO] [stderr]     44:     0x5a03f8a92ea4 - std::panicking::try::do_call::h94247e142f8fcff8
[INFO] [stderr]     45:     0x5a03f8a995fb - __rust_try
[INFO] [stderr]     46:     0x5a03f8a98ab9 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf50a9ad28344212b
[INFO] [stderr]     47:     0x5a03f8a935c6 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hacca1bfe4caae35a
[INFO] [stderr]     48:     0x5a03f8d34b9b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6b288c668db4060
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/boxed.rs:1972:9
[INFO] [stderr]     49:     0x5a03f8d34b9b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h888174eb9887056b
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/boxed.rs:1972:9
[INFO] [stderr]     50:     0x5a03f8d34b9b - std::sys::pal::unix::thread::Thread::new::thread_start::h72734f97cc47812f
[INFO] [stderr]                                  at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]     51:     0x7b914a818ac3 - <unknown>
[INFO] [stderr]     52:     0x7b914a8a9a04 - clone
[INFO] [stderr]     53:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "32a55d1842f606f36eeb0c7e32311474055fcaa229387ab50aa06e3ea12ccde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a55d1842f606f36eeb0c7e32311474055fcaa229387ab50aa06e3ea12ccde4", kill_on_drop: false }`
[INFO] [stdout] 32a55d1842f606f36eeb0c7e32311474055fcaa229387ab50aa06e3ea12ccde4