[INFO] fetching crate accord 0.2.2...
[INFO] checking accord-0.2.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate accord 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate accord 0.2.2 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 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-2-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 winapi-build v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded syntex_errors v0.45.0
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded syntex_syntax v0.45.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded syntex_pos v0.45.0
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded syntex v0.45.1
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4d1cfde108c393f573f25156282fc16d8672a67fadc3f779515e0ddb26c8d485
[INFO] running `Command { std: "docker" "start" "-a" "4d1cfde108c393f573f25156282fc16d8672a67fadc3f779515e0ddb26c8d485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d1cfde108c393f573f25156282fc16d8672a67fadc3f779515e0ddb26c8d485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1cfde108c393f573f25156282fc16d8672a67fadc3f779515e0ddb26c8d485", kill_on_drop: false }`
[INFO] [stdout] 4d1cfde108c393f573f25156282fc16d8672a67fadc3f779515e0ddb26c8d485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 88161654e6a70f1f3babfc4e35ca7760ff4f53b11b67ff67fc3aabc9d763f5b9
[INFO] running `Command { std: "docker" "start" "-a" "88161654e6a70f1f3babfc4e35ca7760ff4f53b11b67ff67fc3aabc9d763f5b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling libc v0.2.153
[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 autocfg v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling syntex_pos v0.45.0
[INFO] [stderr]     Checking serde_json v0.8.6
[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:155:5:
[INFO] [stderr]   slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d057efd236 - 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:     0x55d057efd236 - 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:     0x55d057efd236 - std::sys_common::backtrace::_print_fmt::h2d423a7a89b7862c
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55d057efd236 - <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:     0x55d057f1cdec - core::fmt::rt::Argument::fmt::hc1d14d10bb089188
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55d057f1cdec - core::fmt::write::hfe45f0b918fcb7f8
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55d057efb0cf - std::io::Write::write_fmt::hafff8b00df89bf98
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55d057efcfe4 - std::sys_common::backtrace::_print::h847ae15a622b4882
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55d057efcfe4 - std::sys_common::backtrace::print::h708afa8c696ce578
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55d057efe62b - std::panicking::default_hook::{{closure}}::h9f7cf46c599f7ff3
[INFO] [stderr]     10:     0x55d057efe387 - std::panicking::default_hook::h3287a62f5d2ae67a
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55d057efeacd - std::panicking::rust_panic_with_hook::hb88eafc3660b8bff
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55d057efe969 - std::panicking::begin_panic_handler::{{closure}}::h6507929c0772d453
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:649:13
[INFO] [stderr]     13:     0x55d057efd716 - 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:     0x55d057efe6d4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55d057b6014a - core::panicking::panic_nounwind_fmt::runtime::h48ed155a9b7cd191
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x55d057b6014a - core::panicking::panic_nounwind_fmt::hba46ddb3500dfdc9
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:122:9
[INFO] [stderr]     17:     0x55d057b601f9 - core::panicking::panic_nounwind::hf751612bf3fea37e
[INFO] [stderr]                                  at /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/core/src/panicking.rs:155:5
[INFO] [stderr]     18:     0x55d057dce406 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h55d2318cdf765650
[INFO] [stderr]     19:     0x55d057d850d5 - core::slice::<impl [T]>::get_unchecked::hdd9ff38afc6bf8ca
[INFO] [stderr]     20:     0x55d057c4b945 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::hf79c1e36ce94a1ed
[INFO] [stderr]     21:     0x55d057c512a5 - syntex_syntax::fold::fold_attrs::h5096c64950c54bff
[INFO] [stderr]     22:     0x55d057c871b3 - syntex_syntax::fold::noop_fold_item_simple::he2071bfc31430927
[INFO] [stderr]     23:     0x55d057d92c6f - syntex_syntax::fold::Folder::fold_item_simple::h5947deebd6454734
[INFO] [stderr]     24:     0x55d057c8608f - syntex_syntax::fold::noop_fold_item::{{closure}}::he4c0e95505040362
[INFO] [stderr]     25:     0x55d057dbdca8 - syntex_syntax::ptr::P<T>::map::he408bff5cc7d19d5
[INFO] [stderr]     26:     0x55d057c85f13 - syntex_syntax::fold::noop_fold_item::hcc710efcb41b63b2
[INFO] [stderr]     27:     0x55d057da3b52 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::h03cc9fed402903e2
[INFO] [stderr]     28:     0x55d057d84214 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::h47f940778601aff7
[INFO] [stderr]     29:     0x55d057e138f0 - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::hbf18c022d1ac0d21
[INFO] [stderr]     30:     0x55d057d251ac - core::ops::function::FnOnce::call_once::h7d3644ed3c6da8bf
[INFO] [stderr]     31:     0x55d057d77434 - core::iter::adapters::fuse::and_then_or_clear::h95414799032d26ad
[INFO] [stderr]     32:     0x55d057d7367e - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h8c8f712fcb65b57d
[INFO] [stderr]     33:     0x55d057d23bde - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::hf98fd48f670312ef
[INFO] [stderr]     34:     0x55d057d218e7 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::h69aad702a4029a06
[INFO] [stderr]     35:     0x55d057d437cf - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h1beb35e1b0b77b83
[INFO] [stderr]     36:     0x55d057d4131d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h1036bc313d837cdc
[INFO] [stderr]     37:     0x55d057d33b6e - core::iter::traits::iterator::Iterator::collect::h31d75671ca134ec7
[INFO] [stderr]     38:     0x55d057da3aee - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h5ca4f90daa3614f7
[INFO] [stderr]     39:     0x55d057c85596 - syntex_syntax::fold::noop_fold_crate::h9c2f0ba8c48da9fb
[INFO] [stderr]     40:     0x55d057d92a9f - syntex_syntax::fold::Folder::fold_crate::h56d1e89c65272a1f
[INFO] [stderr]     41:     0x55d057da3a4c - syntex_syntax::ext::decorator::expand_attributes::he1c822ed88d49b7e
[INFO] [stderr]     42:     0x55d057d4b6ca - syntex_syntax::ext::expand::MacroExpander::expand_crate::h56b659802095f112
[INFO] [stderr]     43:     0x55d057bd9a23 - syntex::registry::Registry::expand_crate::h556a937184062d23
[INFO] [stderr]     44:     0x55d057b63648 - syntex::registry::Registry::expand::hfa2beb104feff086
[INFO] [stderr]     45:     0x55d057b60b2e - serde_codegen::expand::{{closure}}::hcb978286140de7a0
[INFO] [stderr]     46:     0x55d057b60ba6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h55034f6f48b47c3d
[INFO] [stderr]     47:     0x55d057b61f75 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h43c49e79bd84ad37
[INFO] [stderr]     48:     0x55d057b60908 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc450d0ea92f92c20
[INFO] [stderr]     49:     0x55d057b620b4 - std::panicking::try::do_call::h66d25612b4c63ce2
[INFO] [stderr]     50:     0x55d057b6409b - __rust_try
[INFO] [stderr]     51:     0x55d057b61fc8 - std::panicking::try::h8bfe8feb454aeb08
[INFO] [stderr]     52:     0x55d057b61df0 - std::thread::Builder::spawn_unchecked_::{{closure}}::hcc2f8f81f70843ab
[INFO] [stderr]     53:     0x55d057b62336 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf2c01125ae6d549f
[INFO] [stderr]     54:     0x55d057f01015 - <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:     0x55d057f01015 - <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:     0x55d057f01015 - 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:     0x7f3fae779ac3 - <unknown>
[INFO] [stderr]     58:     0x7f3fae80abf4 - __clone
[INFO] [stderr]     59:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "88161654e6a70f1f3babfc4e35ca7760ff4f53b11b67ff67fc3aabc9d763f5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88161654e6a70f1f3babfc4e35ca7760ff4f53b11b67ff67fc3aabc9d763f5b9", kill_on_drop: false }`
[INFO] [stdout] 88161654e6a70f1f3babfc4e35ca7760ff4f53b11b67ff67fc3aabc9d763f5b9
