[INFO] fetching crate accord 0.2.2...
[INFO] testing accord-0.2.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate accord 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate accord 0.2.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.7.0 (latest: v2.5.0)
[INFO] [stderr]       Adding dtoa v0.2.2 (latest: v1.0.9)
[INFO] [stderr]       Adding itoa v0.1.1 (latest: v1.0.11)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.36)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.202)
[INFO] [stderr]       Adding serde_codegen v0.8.14 (latest: v0.9.0)
[INFO] [stderr]       Adding serde_codegen_internals v0.10.0 (latest: v0.14.2)
[INFO] [stderr]       Adding serde_json v0.8.6 (latest: v1.0.117)
[INFO] [stderr]       Adding syn v0.9.2 (latest: v2.0.66)
[INFO] [stderr]       Adding syntex v0.45.1 (latest: v0.58.1)
[INFO] [stderr]       Adding syntex_errors v0.45.0 (latest: v0.59.1)
[INFO] [stderr]       Adding syntex_pos v0.45.0 (latest: v0.59.1)
[INFO] [stderr]       Adding syntex_syntax v0.45.1 (latest: v0.59.1)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (latest: v0.2.4)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded num-traits v0.2.19
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded syntex v0.45.1
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded syntex_errors v0.45.0
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded syntex_syntax v0.45.1
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded syntex_pos v0.45.0
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56e3027f5f6fb8b16b6821b85c1ac0dde01071e16e9267217c801a7e2224f3c
[INFO] running `Command { std: "docker" "start" "-a" "c56e3027f5f6fb8b16b6821b85c1ac0dde01071e16e9267217c801a7e2224f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56e3027f5f6fb8b16b6821b85c1ac0dde01071e16e9267217c801a7e2224f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56e3027f5f6fb8b16b6821b85c1ac0dde01071e16e9267217c801a7e2224f3c", kill_on_drop: false }`
[INFO] [stdout] c56e3027f5f6fb8b16b6821b85c1ac0dde01071e16e9267217c801a7e2224f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d8cca1bb4cfa8f0c85dbaaa567991c39e23118272f606b350fbd81571c642a
[INFO] running `Command { std: "docker" "start" "-a" "12d8cca1bb4cfa8f0c85dbaaa567991c39e23118272f606b350fbd81571c642a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling libc v0.2.155
[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 quote v0.3.15
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling 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-6005094b04b0e0a1/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a4cc5351e5 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55a4cc5351e5 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a4cc5351e5 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a4cc5351e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55a4cc5545db - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]      5:     0x55a4cc5545db - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]      6:     0x55a4cc53303f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x55a4cc534fbe - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a4cc534fbe - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a4cc536329 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]     10:     0x55a4cc53606d - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]     11:     0x55a4cc5367c3 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stderr]     12:     0x55a4cc53666b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]     13:     0x55a4cc5356a9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55a4cc5363d7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]     15:     0x55a4cc1ba0f0 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]     16:     0x55a4cc1ba0f0 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]     17:     0x55a4cc1ba182 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]     18:     0x55a4cc3da90b - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::hf5f5799a92095c07
[INFO] [stderr]     19:     0x55a4cc3da504 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h82687cffa8638498
[INFO] [stderr]     20:     0x55a4cc366035 - core::slice::<impl [T]>::get_unchecked::h655829b86055cc95
[INFO] [stderr]     21:     0x55a4cc282cf5 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::hb58a9e97c7d12359
[INFO] [stderr]     22:     0x55a4cc2ad53c - syntex_syntax::fold::fold_attrs::hbd93ead80ff00825
[INFO] [stderr]     23:     0x55a4cc2e1843 - syntex_syntax::fold::noop_fold_item_simple::h9cde0461108becec
[INFO] [stderr]     24:     0x55a4cc372e4f - syntex_syntax::fold::Folder::fold_item_simple::ha4c898db001892e6
[INFO] [stderr]     25:     0x55a4cc2e0e8f - syntex_syntax::fold::noop_fold_item::{{closure}}::hb6670347f59cdd62
[INFO] [stderr]     26:     0x55a4cc3fb8b8 - syntex_syntax::ptr::P<T>::map::h05c85607c43fd98e
[INFO] [stderr]     27:     0x55a4cc2e0c9b - syntex_syntax::fold::noop_fold_item::h88b54c36075fae74
[INFO] [stderr]     28:     0x55a4cc382662 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::h681c2e0a6d626f60
[INFO] [stderr]     29:     0x55a4cc364ec4 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::hd04a15eb7b99b391
[INFO] [stderr]     30:     0x55a4cc44e9ec - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h284626e664f89fd8
[INFO] [stderr]     31:     0x55a4cc3cb31c - core::ops::function::FnOnce::call_once::ha32df894b609b401
[INFO] [stderr]     32:     0x55a4cc4181ac - core::iter::adapters::fuse::and_then_or_clear::he58510d756b11f1c
[INFO] [stderr]     33:     0x55a4cc414b8e - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h44405680aec632c6
[INFO] [stderr]     34:     0x55a4cc395aee - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::h31c2cd628dbd51cd
[INFO] [stderr]     35:     0x55a4cc394ec7 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::h6964c5751fabb2f4
[INFO] [stderr]     36:     0x55a4cc3b39ef - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h6a04bad9937aa301
[INFO] [stderr]     37:     0x55a4cc3b221d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::hea8a4beb199ec6f1
[INFO] [stderr]     38:     0x55a4cc398dde - core::iter::traits::iterator::Iterator::collect::he0575539535807b5
[INFO] [stderr]     39:     0x55a4cc3825fc - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::he990536e7638a9fa
[INFO] [stderr]     40:     0x55a4cc2e03c6 - syntex_syntax::fold::noop_fold_crate::h58162aa4a585cd48
[INFO] [stderr]     41:     0x55a4cc372c7f - syntex_syntax::fold::Folder::fold_crate::h0121dab1f1d73ce9
[INFO] [stderr]     42:     0x55a4cc38256c - syntex_syntax::ext::decorator::expand_attributes::ha1a5a81fd9d54d7c
[INFO] [stderr]     43:     0x55a4cc3bae03 - syntex_syntax::ext::expand::MacroExpander::expand_crate::hfa40425c525d1c5e
[INFO] [stderr]     44:     0x55a4cc230873 - syntex::registry::Registry::expand_crate::ha3f0207c37d41753
[INFO] [stderr]     45:     0x55a4cc1bd888 - syntex::registry::Registry::expand::h79f1ec5ea82e3907
[INFO] [stderr]     46:     0x55a4cc1bacdc - serde_codegen::expand::{{closure}}::hda03dec1c90546cf
[INFO] [stderr]     47:     0x55a4cc1bad56 - std::sys_common::backtrace::__rust_begin_short_backtrace::hccc0abebbae9da64
[INFO] [stderr]     48:     0x55a4cc1bc115 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h2866b0b11c48ba25
[INFO] [stderr]     49:     0x55a4cc1baab8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb10cbd7440a527ab
[INFO] [stderr]     50:     0x55a4cc1bc384 - std::panicking::try::do_call::h73d596cf29599ee5
[INFO] [stderr]     51:     0x55a4cc1be23b - __rust_try
[INFO] [stderr]     52:     0x55a4cc1bc308 - std::panicking::try::hde77715a53b106a9
[INFO] [stderr]     53:     0x55a4cc1bbf90 - std::thread::Builder::spawn_unchecked_::{{closure}}::h6dc98f684d83601b
[INFO] [stderr]     54:     0x55a4cc1bc496 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1f530b1431715386
[INFO] [stderr]     55:     0x55a4cc538e1b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]     56:     0x55a4cc538e1b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]     57:     0x55a4cc538e1b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                  at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]     58:     0x7f4d49d6aac3 - <unknown>
[INFO] [stderr]     59:     0x7f4d49dfba04 - __clone
[INFO] [stderr]     60:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "12d8cca1bb4cfa8f0c85dbaaa567991c39e23118272f606b350fbd81571c642a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d8cca1bb4cfa8f0c85dbaaa567991c39e23118272f606b350fbd81571c642a", kill_on_drop: false }`
[INFO] [stdout] 12d8cca1bb4cfa8f0c85dbaaa567991c39e23118272f606b350fbd81571c642a
