[INFO] fetching crate accord 0.2.2...
[INFO] checking accord-0.2.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate accord 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate accord 0.2.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate accord 0.2.2
[INFO] finished tweaking crates.io crate accord 0.2.2
[INFO] tweaked toml for crates.io crate accord 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded syntex_errors v0.45.0
[INFO] [stderr]   Downloaded syntex_pos v0.45.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded syntex v0.45.1
[INFO] [stderr]   Downloaded syntex_syntax v0.45.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d68acc1f37c680d115565143ed08c6b7477f6608fdb3b1ee041b09e51e2dd1
[INFO] running `Command { std: "docker" "start" "-a" "64d68acc1f37c680d115565143ed08c6b7477f6608fdb3b1ee041b09e51e2dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d68acc1f37c680d115565143ed08c6b7477f6608fdb3b1ee041b09e51e2dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d68acc1f37c680d115565143ed08c6b7477f6608fdb3b1ee041b09e51e2dd1", kill_on_drop: false }`
[INFO] [stdout] 64d68acc1f37c680d115565143ed08c6b7477f6608fdb3b1ee041b09e51e2dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd6006ac9ed9bf522a59fc63beac4b3821cc0da3f69d43e45123b9650be6bd02
[INFO] running `Command { std: "docker" "start" "-a" "fd6006ac9ed9bf522a59fc63beac4b3821cc0da3f69d43e45123b9650be6bd02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]    Compiling syntex_pos v0.45.0
[INFO] [stderr]    Compiling syntex_errors v0.45.0
[INFO] [stderr]    Compiling syntex_syntax v0.45.1
[INFO] [stderr]    Compiling syntex v0.45.1
[INFO] [stderr]    Compiling serde_codegen v0.8.14
[INFO] [stderr]    Compiling accord v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `accord v0.2.2 (/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/accord-24498e5605ab0536/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at library/core/src/panicking.rs:156:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56363156d4f2 - std::backtrace_rs::backtrace::libunwind::trace::hd67e08e71d64f12a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x56363156d4f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1b6e03ae921b7ccc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56363156d4f2 - std::sys_common::backtrace::_print_fmt::h104284235ec6c37d
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x56363156d4f2 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9ec11fc9f8e1e9e3
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x56363158d81c - core::fmt::rt::Argument::fmt::hba6bb69d73dbc69a
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x56363158d81c - core::fmt::write::h1591db653c658e71
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x56363156b3bf - std::io::Write::write_fmt::hfbffa468e7623aef
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/io/mod.rs:1843:15
[INFO] [stderr]      7:     0x56363156d2c4 - std::sys_common::backtrace::_print::h00abfdf27a732373
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x56363156d2c4 - std::sys_common::backtrace::print::ha9520edf621a95dc
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x56363156e8eb - std::panicking::default_hook::{{closure}}::h46e508c07ecf0cb0
[INFO] [stderr]     10:     0x56363156e643 - std::panicking::default_hook::h171667a6e5f66517
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x56363156ed8d - std::panicking::rust_panic_with_hook::hb748cf56d2d9af62
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x56363156ec29 - std::panicking::begin_panic_handler::{{closure}}::h1f68a14808274394
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:649:13
[INFO] [stderr]     13:     0x56363156d9c6 - std::sys_common::backtrace::__rust_end_short_backtrace::h36413da1fefb6b73
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x56363156e994 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x5636311cc14a - core::panicking::panic_nounwind_fmt::runtime::h02e4c2cf4dde3226
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x5636311cc14a - core::panicking::panic_nounwind_fmt::ha6ca1ba813de2ee3
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:123:9
[INFO] [stderr]     17:     0x5636311cc1f9 - core::panicking::panic_nounwind::h64cb8905c9f7b2b7
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/core/src/panicking.rs:156:5
[INFO] [stderr]     18:     0x56363139db2b - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::hc0ec80a6aac925c9
[INFO] [stderr]     19:     0x56363139d6c4 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::ha4c4902716b1003d
[INFO] [stderr]     20:     0x56363142a145 - core::slice::<impl [T]>::get_unchecked::h6a7a565c21b05395
[INFO] [stderr]     21:     0x563631289d35 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h5e97d703b21a8863
[INFO] [stderr]     22:     0x5636312d5905 - syntex_syntax::fold::fold_attrs::hd4e1cb0a2e5936a1
[INFO] [stderr]     23:     0x56363130b813 - syntex_syntax::fold::noop_fold_item_simple::hf8b4a178ff9bbedb
[INFO] [stderr]     24:     0x56363143823f - syntex_syntax::fold::Folder::fold_item_simple::h8e36f2ae7df05253
[INFO] [stderr]     25:     0x56363130a65f - syntex_syntax::fold::noop_fold_item::{{closure}}::h26b70dd64ad6ffc6
[INFO] [stderr]     26:     0x5636313d1c08 - syntex_syntax::ptr::P<T>::map::h647d9f4ca38a954a
[INFO] [stderr]     27:     0x56363130a5c3 - syntex_syntax::fold::noop_fold_item::hdbfd4d4f6dcefb49
[INFO] [stderr]     28:     0x563631449122 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::h0de63f911f23ee59
[INFO] [stderr]     29:     0x563631429ce4 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::hdae2df57f2ad7da9
[INFO] [stderr]     30:     0x5636313deda0 - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h4fa12477d1bc9aaf
[INFO] [stderr]     31:     0x5636313b363c - core::ops::function::FnOnce::call_once::hb6f19f9ee523d783
[INFO] [stderr]     32:     0x5636314948d4 - core::iter::adapters::fuse::and_then_or_clear::h955c2ab916899312
[INFO] [stderr]     33:     0x56363148b69e - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::he9ebc852c2e56c6d
[INFO] [stderr]     34:     0x5636313b0e6e - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::hbb847df48e2b55dc
[INFO] [stderr]     35:     0x5636313afb07 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::hb5e123fc9ef64451
[INFO] [stderr]     36:     0x5636314213af - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h581d1c22d2dafce3
[INFO] [stderr]     37:     0x56363141ff4d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hb09b6de9543d0bc5
[INFO] [stderr]     38:     0x5636313c130e - core::iter::traits::iterator::Iterator::collect::h42f80f9013bf3b83
[INFO] [stderr]     39:     0x5636314490be - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h3f51badc3838b746
[INFO] [stderr]     40:     0x563631309bf6 - syntex_syntax::fold::noop_fold_crate::h9d71cf0e0b5cc09a
[INFO] [stderr]     41:     0x56363143806f - syntex_syntax::fold::Folder::fold_crate::h5cc71d96d7bb2d29
[INFO] [stderr]     42:     0x56363144901c - syntex_syntax::ext::decorator::expand_attributes::h6f41a92ae521979b
[INFO] [stderr]     43:     0x56363147ab2a - syntex_syntax::ext::expand::MacroExpander::expand_crate::h71e100c13e341cb9
[INFO] [stderr]     44:     0x563631246443 - syntex::registry::Registry::expand_crate::hdfa4a31da77025c2
[INFO] [stderr]     45:     0x5636311cf518 - syntex::registry::Registry::expand::ha36aa928addfa65c
[INFO] [stderr]     46:     0x5636311ccb2e - serde_codegen::expand::{{closure}}::h105c3eb5c66ab69f
[INFO] [stderr]     47:     0x5636311ccba6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c40a31540ae84c8
[INFO] [stderr]     48:     0x5636311cdf95 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::habce2c4fb4fc80d5
[INFO] [stderr]     49:     0x5636311cc8f8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8d081c30b70c810b
[INFO] [stderr]     50:     0x5636311ce0d4 - std::panicking::try::do_call::h29d8b6a6e20185c9
[INFO] [stderr]     51:     0x5636311cff0b - __rust_try
[INFO] [stderr]     52:     0x5636311cdfe8 - std::panicking::try::h86a5be934f5563d3
[INFO] [stderr]     53:     0x5636311cde10 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6487a3a22b9688b3
[INFO] [stderr]     54:     0x5636311ce366 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h55b1fa85747ee819
[INFO] [stderr]     55:     0x563631571145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hee9e7228283e5d1b
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/boxed.rs:2020:9
[INFO] [stderr]     56:     0x563631571145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbd9fbc2bde3f3fa9
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/alloc/src/boxed.rs:2020:9
[INFO] [stderr]     57:     0x563631571145 - std::sys::pal::unix::thread::Thread::new::thread_start::hc28915cf23f2ced7
[INFO] [stderr]                                  at /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]     58:     0x7ff444d9dac3 - <unknown>
[INFO] [stderr]     59:     0x7ff444e2ebf4 - __clone
[INFO] [stderr]     60:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "fd6006ac9ed9bf522a59fc63beac4b3821cc0da3f69d43e45123b9650be6bd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6006ac9ed9bf522a59fc63beac4b3821cc0da3f69d43e45123b9650be6bd02", kill_on_drop: false }`
[INFO] [stdout] fd6006ac9ed9bf522a59fc63beac4b3821cc0da3f69d43e45123b9650be6bd02
