[INFO] fetching crate alexa 0.1.2...
[INFO] checking alexa-0.1.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate alexa 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate alexa 0.1.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex_pos v0.45.0
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded bodyparser v0.4.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded iron v0.4.0
[INFO] [stderr]   Downloaded hyper v0.9.18
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded syntex_syntax v0.45.1
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded persistent v0.2.1
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded syntex v0.45.1
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded syntex_errors v0.45.0
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5221340fe69b65a5ac2eebf92441c2c7bdf5204140778169f4123c2dd484f4e2
[INFO] running `Command { std: "docker" "start" "-a" "5221340fe69b65a5ac2eebf92441c2c7bdf5204140778169f4123c2dd484f4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5221340fe69b65a5ac2eebf92441c2c7bdf5204140778169f4123c2dd484f4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5221340fe69b65a5ac2eebf92441c2c7bdf5204140778169f4123c2dd484f4e2", kill_on_drop: false }`
[INFO] [stdout] 5221340fe69b65a5ac2eebf92441c2c7bdf5204140778169f4123c2dd484f4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e1760b8a6776587fb5c90cd05ad00538e8d066ad6a27caaf6f155ca3ed1ff1
[INFO] running `Command { std: "docker" "start" "-a" "91e1760b8a6776587fb5c90cd05ad00538e8d066ad6a27caaf6f155ca3ed1ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]    Compiling syntex_pos v0.45.0
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]    Compiling syntex_errors v0.45.0
[INFO] [stderr]    Compiling syntex_syntax v0.45.1
[INFO] [stderr]     Checking serde_json v0.8.6
[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-51edeb9e225b9a06/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at library/core/src/panicking.rs:155:5:
[INFO] [stderr]   slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55fd8d1f0416 - std::backtrace_rs::backtrace::libunwind::trace::h841aec340308c59e
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55fd8d1f0416 - std::backtrace_rs::backtrace::trace_unsynchronized::h9dee2676d9d11960
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55fd8d1f0416 - std::sys_common::backtrace::_print_fmt::h2d423a7a89b7862c
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55fd8d1f0416 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb83a544cb08b68f3
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55fd8d20ffcc - core::fmt::rt::Argument::fmt::hc1d14d10bb089188
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55fd8d20ffcc - core::fmt::write::hfe45f0b918fcb7f8
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55fd8d1ee2af - std::io::Write::write_fmt::hafff8b00df89bf98
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55fd8d1f01c4 - std::sys_common::backtrace::_print::h847ae15a622b4882
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55fd8d1f01c4 - std::sys_common::backtrace::print::h708afa8c696ce578
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55fd8d1f180b - std::panicking::default_hook::{{closure}}::h9f7cf46c599f7ff3
[INFO] [stderr]     10:     0x55fd8d1f1567 - std::panicking::default_hook::h3287a62f5d2ae67a
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55fd8d1f1cad - std::panicking::rust_panic_with_hook::hb88eafc3660b8bff
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55fd8d1f1b49 - std::panicking::begin_panic_handler::{{closure}}::h6507929c0772d453
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:649:13
[INFO] [stderr]     13:     0x55fd8d1f08f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h89ad0278467b1bd2
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55fd8d1f18b4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55fd8ce5314a - core::panicking::panic_nounwind_fmt::runtime::h48ed155a9b7cd191
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x55fd8ce5314a - core::panicking::panic_nounwind_fmt::hba46ddb3500dfdc9
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:122:9
[INFO] [stderr]     17:     0x55fd8ce531f9 - core::panicking::panic_nounwind::hf751612bf3fea37e
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:155:5
[INFO] [stderr]     18:     0x55fd8d0c1f86 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::hf70f247e40439a74
[INFO] [stderr]     19:     0x55fd8d078255 - core::slice::<impl [T]>::get_unchecked::hb890e9b8cda24d08
[INFO] [stderr]     20:     0x55fd8cef8875 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h0cad5cf2538ad62a
[INFO] [stderr]     21:     0x55fd8cf444b5 - syntex_syntax::fold::fold_attrs::hb1a52d985bc721bf
[INFO] [stderr]     22:     0x55fd8cf79bf3 - syntex_syntax::fold::noop_fold_item_simple::h4ea9055f9d1a9031
[INFO] [stderr]     23:     0x55fd8d085dff - syntex_syntax::fold::Folder::fold_item_simple::h3a1eddb680b18740
[INFO] [stderr]     24:     0x55fd8cf791df - syntex_syntax::fold::noop_fold_item::{{closure}}::hcb950eb784b0234b
[INFO] [stderr]     25:     0x55fd8d0b1848 - syntex_syntax::ptr::P<T>::map::hfbe0151525fc5ee2
[INFO] [stderr]     26:     0x55fd8cf790a3 - syntex_syntax::fold::noop_fold_item::h60525194bed24ccb
[INFO] [stderr]     27:     0x55fd8d096d12 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::hb349a4f1fcbb7d78
[INFO] [stderr]     28:     0x55fd8d077424 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::h7b80e6bc332b2382
[INFO] [stderr]     29:     0x55fd8d105520 - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h1bd3b4652a4a9a16
[INFO] [stderr]     30:     0x55fd8d0188ac - core::ops::function::FnOnce::call_once::hf8adefff29dde1ec
[INFO] [stderr]     31:     0x55fd8d069ae4 - core::iter::adapters::fuse::and_then_or_clear::h38e397d97eb57c27
[INFO] [stderr]     32:     0x55fd8d0668be - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::hb28e19d13df31cd6
[INFO] [stderr]     33:     0x55fd8d016dbe - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::hfaeaa7a9cc112037
[INFO] [stderr]     34:     0x55fd8d014af7 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::hc04a9146e9cb0873
[INFO] [stderr]     35:     0x55fd8d03671f - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h0f2eecc504858d92
[INFO] [stderr]     36:     0x55fd8d03638d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hd08c94ee3f49c02f
[INFO] [stderr]     37:     0x55fd8d026cce - core::iter::traits::iterator::Iterator::collect::h216a2d1cf90901b7
[INFO] [stderr]     38:     0x55fd8d096cae - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h32d5a1641759cdf6
[INFO] [stderr]     39:     0x55fd8cf78776 - syntex_syntax::fold::noop_fold_crate::hf5fd07fef4d480bf
[INFO] [stderr]     40:     0x55fd8d085c5f - syntex_syntax::fold::Folder::fold_crate::hfb8c5aa3e863692b
[INFO] [stderr]     41:     0x55fd8d096c0c - syntex_syntax::ext::decorator::expand_attributes::h2b7729c682316cd9
[INFO] [stderr]     42:     0x55fd8d03e8fa - syntex_syntax::ext::expand::MacroExpander::expand_crate::h58297417607aa80d
[INFO] [stderr]     43:     0x55fd8ceccc03 - syntex::registry::Registry::expand_crate::ha513ea5537553196
[INFO] [stderr]     44:     0x55fd8ce56648 - syntex::registry::Registry::expand::h78f30be15f6da93e
[INFO] [stderr]     45:     0x55fd8ce53b2e - serde_codegen::expand::{{closure}}::h96ba8b2e458a1b9e
[INFO] [stderr]     46:     0x55fd8ce53ba6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hbd7550eabb34d917
[INFO] [stderr]     47:     0x55fd8ce54f75 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hd986103d86e916da
[INFO] [stderr]     48:     0x55fd8ce538f8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3d8522dfb45f2b96
[INFO] [stderr]     49:     0x55fd8ce550c4 - std::panicking::try::do_call::hbbe6557c9b45e6fe
[INFO] [stderr]     50:     0x55fd8ce5727b - __rust_try
[INFO] [stderr]     51:     0x55fd8ce55038 - std::panicking::try::hb82560cbef15c8a6
[INFO] [stderr]     52:     0x55fd8ce54df0 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6d005c816f967773
[INFO] [stderr]     53:     0x55fd8ce55326 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he513fff253860f20
[INFO] [stderr]     54:     0x55fd8d1f41f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbe4438a5e2d4e4cf
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/alloc/src/boxed.rs:2016:9
[INFO] [stderr]     55:     0x55fd8d1f41f5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4e3c206378ffd239
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/alloc/src/boxed.rs:2016:9
[INFO] [stderr]     56:     0x55fd8d1f41f5 - std::sys::pal::unix::thread::Thread::new::thread_start::h3b042b005cf2e54f
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]     57:     0x7f7cd18c8ac3 - <unknown>
[INFO] [stderr]     58:     0x7f7cd1959bf4 - __clone
[INFO] [stderr]     59:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "91e1760b8a6776587fb5c90cd05ad00538e8d066ad6a27caaf6f155ca3ed1ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e1760b8a6776587fb5c90cd05ad00538e8d066ad6a27caaf6f155ca3ed1ff1", kill_on_drop: false }`
[INFO] [stdout] 91e1760b8a6776587fb5c90cd05ad00538e8d066ad6a27caaf6f155ca3ed1ff1
[INFO] checking alexa-0.1.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate alexa 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate alexa 0.1.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412f9f9f33942c7a2940c0b02165010f2584bd296c0ca77a37958ed3661d787c
[INFO] running `Command { std: "docker" "start" "-a" "412f9f9f33942c7a2940c0b02165010f2584bd296c0ca77a37958ed3661d787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412f9f9f33942c7a2940c0b02165010f2584bd296c0ca77a37958ed3661d787c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412f9f9f33942c7a2940c0b02165010f2584bd296c0ca77a37958ed3661d787c", kill_on_drop: false }`
[INFO] [stdout] 412f9f9f33942c7a2940c0b02165010f2584bd296c0ca77a37958ed3661d787c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9071ca14bffeb84ff336e2f351f02f15dbfe5191206951a8d1db96da7a03d10
[INFO] running `Command { std: "docker" "start" "-a" "b9071ca14bffeb84ff336e2f351f02f15dbfe5191206951a8d1db96da7a03d10", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking num-integer v0.1.46
[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 num-traits v0.1.43
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]    Compiling syntex_pos v0.45.0
[INFO] [stderr]    Compiling syntex_errors v0.45.0
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]    Compiling syntex_syntax v0.45.1
[INFO] [stderr]     Checking serde_json v0.8.6
[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-51edeb9e225b9a06/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at library/core/src/panicking.rs:155:5:
[INFO] [stderr]   slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55afbb156726 - std::backtrace_rs::backtrace::libunwind::trace::h31bf9e16c3129d88
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55afbb156726 - std::backtrace_rs::backtrace::trace_unsynchronized::hfbf8ae71cff6d572
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55afbb156726 - std::sys_common::backtrace::_print_fmt::h51a5c032426e5886
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55afbb156726 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc9ed9fb0e0178e64
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55afbb1762dc - core::fmt::rt::Argument::fmt::h4294b4ebdfeb70b0
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55afbb1762dc - core::fmt::write::hecc5a1c31014825e
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55afbb1545bf - std::io::Write::write_fmt::hdd43e3748f3c18c1
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55afbb1564d4 - std::sys_common::backtrace::_print::h1ef3744a6b3284d7
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55afbb1564d4 - std::sys_common::backtrace::print::h87f11e711d7ec1f2
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55afbb157b1b - std::panicking::default_hook::{{closure}}::hc671c6c8612bb33a
[INFO] [stderr]     10:     0x55afbb157877 - std::panicking::default_hook::h7755299c777843b5
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55afbb157fbd - std::panicking::rust_panic_with_hook::hf5c0a76956d1f55b
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55afbb157e59 - std::panicking::begin_panic_handler::{{closure}}::h75ace17bd1a3cacd
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:649:13
[INFO] [stderr]     13:     0x55afbb156c06 - std::sys_common::backtrace::__rust_end_short_backtrace::h0c85a736a9e46df5
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55afbb157bc4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55afbadba14a - core::panicking::panic_nounwind_fmt::runtime::h6055d6ab81340b16
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x55afbadba14a - core::panicking::panic_nounwind_fmt::hb21796e2705e69ec
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/panicking.rs:122:9
[INFO] [stderr]     17:     0x55afbadba1f9 - core::panicking::panic_nounwind::hd860f054d25e161a
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/core/src/panicking.rs:155:5
[INFO] [stderr]     18:     0x55afbb028ec6 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::hf5d9fa06a1317754
[INFO] [stderr]     19:     0x55afbafdf275 - core::slice::<impl [T]>::get_unchecked::h8e74184d875d4015
[INFO] [stderr]     20:     0x55afbae7ad85 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h6809f170217e3926
[INFO] [stderr]     21:     0x55afbaeab4b5 - syntex_syntax::fold::fold_attrs::ha349b94abae6b796
[INFO] [stderr]     22:     0x55afbaee1763 - syntex_syntax::fold::noop_fold_item_simple::hfc07d883203159a5
[INFO] [stderr]     23:     0x55afbafecddf - syntex_syntax::fold::Folder::fold_item_simple::h7445e9bc3ac3418b
[INFO] [stderr]     24:     0x55afbaee023f - syntex_syntax::fold::noop_fold_item::{{closure}}::hde925207a2b362c5
[INFO] [stderr]     25:     0x55afbb010db8 - syntex_syntax::ptr::P<T>::map::h265e324e009ba0da
[INFO] [stderr]     26:     0x55afbaedffb3 - syntex_syntax::fold::noop_fold_item::h1e87ef535d0d0175
[INFO] [stderr]     27:     0x55afbaffdcf2 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::hd9eb34107a6624c2
[INFO] [stderr]     28:     0x55afbafde414 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::ha3f42fa34fb094e2
[INFO] [stderr]     29:     0x55afbb06de10 - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::hf279a470e07323f3
[INFO] [stderr]     30:     0x55afbaf7f0bc - core::ops::function::FnOnce::call_once::h3d6ecb825e6bf93c
[INFO] [stderr]     31:     0x55afbafd1b94 - core::iter::adapters::fuse::and_then_or_clear::hbfec4b7b0d1a8263
[INFO] [stderr]     32:     0x55afbafcd77e - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h2cfccf248481dcb6
[INFO] [stderr]     33:     0x55afbaf7beee - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::h019a0c1ac18eb649
[INFO] [stderr]     34:     0x55afbaf7bb87 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::hf89115c14bd736ae
[INFO] [stderr]     35:     0x55afbaf9dedf - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h2b280a280881c554
[INFO] [stderr]     36:     0x55afbaf9cfbd - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hd16a7309aa828e4b
[INFO] [stderr]     37:     0x55afbaf8dd0e - core::iter::traits::iterator::Iterator::collect::h2a07fc9dd6780042
[INFO] [stderr]     38:     0x55afbaffdc8e - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h5f159703223f66fe
[INFO] [stderr]     39:     0x55afbaedf776 - syntex_syntax::fold::noop_fold_crate::h12f421be1d2dbd6d
[INFO] [stderr]     40:     0x55afbafecc3f - syntex_syntax::fold::Folder::fold_crate::ha2f07f74497ae188
[INFO] [stderr]     41:     0x55afbaffdbec - syntex_syntax::ext::decorator::expand_attributes::h8bf45b2642ef0c0f
[INFO] [stderr]     42:     0x55afbafa58aa - syntex_syntax::ext::expand::MacroExpander::expand_crate::h22cae8a2c478334c
[INFO] [stderr]     43:     0x55afbae33c03 - syntex::registry::Registry::expand_crate::h0085adaf482ae3be
[INFO] [stderr]     44:     0x55afbadbd648 - syntex::registry::Registry::expand::h351bad05ace07f3f
[INFO] [stderr]     45:     0x55afbadbab2e - serde_codegen::expand::{{closure}}::he5631eda669f84ea
[INFO] [stderr]     46:     0x55afbadbab96 - std::sys_common::backtrace::__rust_begin_short_backtrace::h43cab5e238bd4c47
[INFO] [stderr]     47:     0x55afbadbbf75 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h5c4f4ac3a512f253
[INFO] [stderr]     48:     0x55afbadba8f8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h2c17dedd618433e6
[INFO] [stderr]     49:     0x55afbadbc0c4 - std::panicking::try::do_call::ha8d4a62d3de27871
[INFO] [stderr]     50:     0x55afbadbe27b - __rust_try
[INFO] [stderr]     51:     0x55afbadbbfc8 - std::panicking::try::h462fa9bfafb949d2
[INFO] [stderr]     52:     0x55afbadbbdf0 - std::thread::Builder::spawn_unchecked_::{{closure}}::ha458c4a4411c7616
[INFO] [stderr]     53:     0x55afbadbc336 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb255ef38390e16c0
[INFO] [stderr]     54:     0x55afbb15a505 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h603880526b859c81
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/alloc/src/boxed.rs:2016:9
[INFO] [stderr]     55:     0x55afbb15a505 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdc1b81bdfa8011e7
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/alloc/src/boxed.rs:2016:9
[INFO] [stderr]     56:     0x55afbb15a505 - std::sys::pal::unix::thread::Thread::new::thread_start::h310f823e9733573f
[INFO] [stderr]                                  at /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]     57:     0x7f2efb995ac3 - <unknown>
[INFO] [stderr]     58:     0x7f2efba26bf4 - __clone
[INFO] [stderr]     59:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "b9071ca14bffeb84ff336e2f351f02f15dbfe5191206951a8d1db96da7a03d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9071ca14bffeb84ff336e2f351f02f15dbfe5191206951a8d1db96da7a03d10", kill_on_drop: false }`
[INFO] [stdout] b9071ca14bffeb84ff336e2f351f02f15dbfe5191206951a8d1db96da7a03d10
