[INFO] fetching crate alexa 0.1.2...
[INFO] checking alexa-0.1.2 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate alexa 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate alexa 0.1.2 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexa 0.1.2
[INFO] finished tweaking crates.io crate alexa 0.1.2
[INFO] tweaked toml for crates.io crate alexa 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding bodyparser v0.4.1 (available: v0.8.0)
[INFO] [stderr]       Adding chrono v0.2.25 (available: v0.4.38)
[INFO] [stderr]       Adding iron v0.4.0 (available: v0.6.1)
[INFO] [stderr]       Adding serde v0.8.23 (available: v1.0.214)
[INFO] [stderr]       Adding serde_codegen v0.8.14 (available: v0.8.23)
[INFO] [stderr]       Adding serde_json v0.8.6 (available: v1.0.132)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbf70d3a36ed371b161960098addb07aa500b8a7bc5aa400d94f6041d359cad
[INFO] running `Command { std: "docker" "start" "-a" "0bbf70d3a36ed371b161960098addb07aa500b8a7bc5aa400d94f6041d359cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbf70d3a36ed371b161960098addb07aa500b8a7bc5aa400d94f6041d359cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbf70d3a36ed371b161960098addb07aa500b8a7bc5aa400d94f6041d359cad", kill_on_drop: false }`
[INFO] [stdout] 0bbf70d3a36ed371b161960098addb07aa500b8a7bc5aa400d94f6041d359cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd7259b40ddbdb98141f99af7784d969800d00e8dd21a0d59b912ed88e44e647
[INFO] running `Command { std: "docker" "start" "-a" "bd7259b40ddbdb98141f99af7784d969800d00e8dd21a0d59b912ed88e44e647", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.17
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling syntex_pos v0.45.0
[INFO] [stderr]    Compiling syntex_errors v0.45.0
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling syntex_syntax v0.45.1
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking persistent v0.2.1
[INFO] [stderr]     Checking bodyparser v0.4.1
[INFO] [stderr]    Compiling syntex v0.45.1
[INFO] [stderr]    Compiling serde_codegen v0.8.14
[INFO] [stderr]    Compiling alexa v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `alexa v0.1.2 (/opt/rustwide/workdir)`
[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/alexa-f659f6cb7d00742a/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at core/src/panicking.rs:227:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x58f2d8cc05fa - std::backtrace_rs::backtrace::libunwind::trace::h33a4b5cb14f757d6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x58f2d8cc05fa - std::backtrace_rs::backtrace::trace_unsynchronized::h20236e6e99fbf845
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x58f2d8cc05fa - std::sys::backtrace::_print_fmt::h704a42900622727d
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x58f2d8cc05fa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h283eae59a9b611a1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x58f2d8cdf323 - core::fmt::rt::Argument::fmt::h6c00b32d62994027
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x58f2d8cdf323 - core::fmt::write::h04a7af682e3a5030
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x58f2d8cbd8f3 - std::io::Write::write_fmt::h787129c86330d3f6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x58f2d8cc0442 - std::sys::backtrace::BacktraceLock::print::h0ad674a5464d4d8f
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x58f2d8cc140c - std::panicking::default_hook::{{closure}}::habb0c364c1c20b27
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x58f2d8cc1252 - std::panicking::default_hook::hac494c5ce8f5f3b1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x58f2d8cc1a47 - std::panicking::rust_panic_with_hook::h2c87df020c0f53ac
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x58f2d8cc18a6 - std::panicking::begin_panic_handler::{{closure}}::hd3013344bba6ae59
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:667:13
[INFO] [stderr]     12:     0x58f2d8cc0ad9 - std::sys::backtrace::__rust_end_short_backtrace::haa6c749264ccc436
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x58f2d8cc156c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x58f2d8cde50d - core::panicking::panic_nounwind_fmt::runtime::hffe4d6deaf1e751c
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/panicking.rs:115:18
[INFO] [stderr]     15:     0x58f2d8cde50d - core::panicking::panic_nounwind_fmt::h57cb6bad45747251
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/panicking.rs:125:5
[INFO] [stderr]     16:     0x58f2d8cde5a2 - core::panicking::panic_nounwind::h5572b1291449ff75
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/panicking.rs:227:5
[INFO] [stderr]     17:     0x58f2d8b72cdb - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h5e6dbbe0ee0ffbb6
[INFO] [stderr]     18:     0x58f2d8b72962 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::ha4d8445b64481d46
[INFO] [stderr]     19:     0x58f2d8b1c525 - core::slice::<impl [T]>::get_unchecked::h155d6a7a91bbee19
[INFO] [stderr]     20:     0x58f2d89ef825 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h0445c8f29ccb15ed
[INFO] [stderr]     21:     0x58f2d8a391ec - syntex_syntax::fold::fold_attrs::hdebe89bc3c27b7d1
[INFO] [stderr]     22:     0x58f2d8a6e276 - syntex_syntax::fold::noop_fold_item_simple::ha891b3ad9084210b
[INFO] [stderr]     23:     0x58f2d8b2590f - syntex_syntax::fold::Folder::fold_item_simple::hd4949764130bb97f
[INFO] [stderr]     24:     0x58f2d8a6d05f - syntex_syntax::fold::noop_fold_item::{{closure}}::h16b78208c3eb6b25
[INFO] [stderr]     25:     0x58f2d8b7d6f8 - syntex_syntax::ptr::P<T>::map::ha56657f2bb276d53
[INFO] [stderr]     26:     0x58f2d8a6d01b - syntex_syntax::fold::noop_fold_item::he4567ecff1a9b7ae
[INFO] [stderr]     27:     0x58f2d8b3a422 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::h878065fcd0d7c914
[INFO] [stderr]     28:     0x58f2d8b1be84 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::h79450ef6e845715b
[INFO] [stderr]     29:     0x58f2d8b878fc - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h2386f3f1095f26bf
[INFO] [stderr]     30:     0x58f2d8b40dac - core::ops::function::FnOnce::call_once::h4392aebacd28b6cd
[INFO] [stderr]     31:     0x58f2d8b4ea7b - core::iter::adapters::fuse::and_then_or_clear::h424a2b42fcf1ad1a
[INFO] [stderr]     32:     0x58f2d8b3e9fe - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h8a25fb72b2cd4345
[INFO] [stderr]     33:     0x58f2d8bd783e - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::hcb1d71adf3044274
[INFO] [stderr]     34:     0x58f2d8bd5a07 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::h50e9b3c35c344b31
[INFO] [stderr]     35:     0x58f2d8b0539f - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::hbf464a03ab58adb4
[INFO] [stderr]     36:     0x58f2d8b0296d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::ha81e0a0d21f10886
[INFO] [stderr]     37:     0x58f2d8bd994e - core::iter::traits::iterator::Iterator::collect::ha9421052def21146
[INFO] [stderr]     38:     0x58f2d8b3a3bc - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h7c33786f616582d2
[INFO] [stderr]     39:     0x58f2d8a6c620 - syntex_syntax::fold::noop_fold_crate::h8855fbffe279d834
[INFO] [stderr]     40:     0x58f2d8b2580f - syntex_syntax::fold::Folder::fold_crate::h1271a4159887c1cb
[INFO] [stderr]     41:     0x58f2d8b3a32c - syntex_syntax::ext::decorator::expand_attributes::h65dcdc11903d0b5e
[INFO] [stderr]     42:     0x58f2d8b96843 - syntex_syntax::ext::expand::MacroExpander::expand_crate::h7a169caa27fa7b29
[INFO] [stderr]     43:     0x58f2d89d1caa - syntex::registry::Registry::expand_crate::h1d6da3862ec28079
[INFO] [stderr]     44:     0x58f2d895d1ff - syntex::registry::Registry::expand::he307d388674cb379
[INFO] [stderr]     45:     0x58f2d895a53c - serde_codegen::expand::{{closure}}::h0e2a92c992aac416
[INFO] [stderr]     46:     0x58f2d895a6d6 - std::sys::backtrace::__rust_begin_short_backtrace::h6460d9024c09e883
[INFO] [stderr]     47:     0x58f2d895bd15 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h8c0e06e78e1cbddf
[INFO] [stderr]     48:     0x58f2d895a308 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4a3bfca842659366
[INFO] [stderr]     49:     0x58f2d895bd44 - std::panicking::try::do_call::ha32fcb8298db15dd
[INFO] [stderr]     50:     0x58f2d895de0b - __rust_try
[INFO] [stderr]     51:     0x58f2d895b8ba - std::thread::Builder::spawn_unchecked_::{{closure}}::h888203866a9c3e2d
[INFO] [stderr]     52:     0x58f2d895be66 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff52b9e54a7e6832
[INFO] [stderr]     53:     0x58f2d8cc3ceb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd2a9c25cdd10850f
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]     54:     0x58f2d8cc3ceb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf170df3c40ea5e3a
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]     55:     0x58f2d8cc3ceb - std::sys::pal::unix::thread::Thread::new::thread_start::h8fb0341f6c19311a
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]     56:     0x71f50165dac3 - <unknown>
[INFO] [stderr]     57:     0x71f5016eea04 - clone
[INFO] [stderr]     58:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "bd7259b40ddbdb98141f99af7784d969800d00e8dd21a0d59b912ed88e44e647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7259b40ddbdb98141f99af7784d969800d00e8dd21a0d59b912ed88e44e647", kill_on_drop: false }`
[INFO] [stdout] bd7259b40ddbdb98141f99af7784d969800d00e8dd21a0d59b912ed88e44e647
