[INFO] fetching crate accord 0.2.2...
[INFO] checking accord-0.2.2 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[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 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded syntex_pos v0.45.0
[INFO] [stderr]   Downloaded syntex v0.45.1
[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 rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded syntex_syntax v0.45.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1c9cfefa56a54ee0e0306aa919edf63395f1613c67e1c932e25b09f5f82e8e
[INFO] running `Command { std: "docker" "start" "-a" "ce1c9cfefa56a54ee0e0306aa919edf63395f1613c67e1c932e25b09f5f82e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1c9cfefa56a54ee0e0306aa919edf63395f1613c67e1c932e25b09f5f82e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1c9cfefa56a54ee0e0306aa919edf63395f1613c67e1c932e25b09f5f82e8e", kill_on_drop: false }`
[INFO] [stdout] ce1c9cfefa56a54ee0e0306aa919edf63395f1613c67e1c932e25b09f5f82e8e
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73330669224a0367905ed544b2c0c5193f47605d674e9caf596b478d333a4de1
[INFO] running `Command { std: "docker" "start" "-a" "73330669224a0367905ed544b2c0c5193f47605d674e9caf596b478d333a4de1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[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-8cc9beabb4fc88f5/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:     0x648bfef73f9a - std::backtrace_rs::backtrace::libunwind::trace::hc8717ea3ff88efc7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x648bfef73f9a - std::backtrace_rs::backtrace::trace_unsynchronized::h4cb12a240f50bc9d
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x648bfef73f9a - std::sys::backtrace::_print_fmt::hfb8f4575e12be528
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x648bfef73f9a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h7767b02c5430d02b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x648bfef92cc3 - core::fmt::rt::Argument::fmt::h8658c1a0a94d2676
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x648bfef92cc3 - core::fmt::write::hd9cf23088539bf85
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x648bfef71293 - std::io::Write::write_fmt::h516df85bf7181425
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x648bfef73de2 - std::sys::backtrace::BacktraceLock::print::h5907c3622e037863
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x648bfef74dac - std::panicking::default_hook::{{closure}}::h13cd352e0714d74b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x648bfef74bf2 - std::panicking::default_hook::ha087b22e6b135389
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x648bfef753e7 - std::panicking::rust_panic_with_hook::ha12d21b564771d78
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x648bfef75246 - std::panicking::begin_panic_handler::{{closure}}::h29f91f01f78dfedc
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:667:13
[INFO] [stderr]     12:     0x648bfef74479 - std::sys::backtrace::__rust_end_short_backtrace::h1e39edc6648a642b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x648bfef74f0c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x648bfef91ead - core::panicking::panic_nounwind_fmt::runtime::h42bd3c2edf319ffc
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:115:18
[INFO] [stderr]     15:     0x648bfef91ead - core::panicking::panic_nounwind_fmt::h9c3db1758d169547
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:125:5
[INFO] [stderr]     16:     0x648bfef91f42 - core::panicking::panic_nounwind::h00ea4b29fb8f306d
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:227:5
[INFO] [stderr]     17:     0x648bfee266db - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h321927093087f440
[INFO] [stderr]     18:     0x648bfee26662 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::hd8febc20e72dbf98
[INFO] [stderr]     19:     0x648bfedd02e5 - core::slice::<impl [T]>::get_unchecked::h91d5ba6c5681b963
[INFO] [stderr]     20:     0x648bfecc9575 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h9aa191a7b087294d
[INFO] [stderr]     21:     0x648bfececd4c - syntex_syntax::fold::fold_attrs::h4c5cfcbc91e8bd86
[INFO] [stderr]     22:     0x648bfed22236 - syntex_syntax::fold::noop_fold_item_simple::hf1ed2f3bc89213bc
[INFO] [stderr]     23:     0x648bfedd95bf - syntex_syntax::fold::Folder::fold_item_simple::h755bb998727883d4
[INFO] [stderr]     24:     0x648bfed20c4f - syntex_syntax::fold::noop_fold_item::{{closure}}::h363f79fd50bd991a
[INFO] [stderr]     25:     0x648bfee32948 - syntex_syntax::ptr::P<T>::map::hd182228c8dfc8cf3
[INFO] [stderr]     26:     0x648bfed20a7b - syntex_syntax::fold::noop_fold_item::h072892d817f4553c
[INFO] [stderr]     27:     0x648bfedee0d2 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::hb96d52801b0368e0
[INFO] [stderr]     28:     0x648bfedcfc14 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::hbede56e1e725fb3e
[INFO] [stderr]     29:     0x648bfee3b5ec - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h48ca4267f51e1c06
[INFO] [stderr]     30:     0x648bfedf4b3c - core::ops::function::FnOnce::call_once::h23ac1bd04b720d51
[INFO] [stderr]     31:     0x648bfee02b2b - core::iter::adapters::fuse::and_then_or_clear::h3b767e774a91cadd
[INFO] [stderr]     32:     0x648bfedf258e - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h07fc761199296379
[INFO] [stderr]     33:     0x648bfee8b7de - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::he57520eee094bced
[INFO] [stderr]     34:     0x648bfee89717 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::hcfb17928dc110cc5
[INFO] [stderr]     35:     0x648bfedb874f - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h8cd67494f3499368
[INFO] [stderr]     36:     0x648bfedb5abd - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h2015d5d6ea0c6512
[INFO] [stderr]     37:     0x648bfee8d49e - core::iter::traits::iterator::Iterator::collect::h90d1b15c4f217923
[INFO] [stderr]     38:     0x648bfedee06c - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h71c0562081512d8b
[INFO] [stderr]     39:     0x648bfed20210 - syntex_syntax::fold::noop_fold_crate::h4096040aad169975
[INFO] [stderr]     40:     0x648bfedd94bf - syntex_syntax::fold::Folder::fold_crate::h02e0b8e1df5544f5
[INFO] [stderr]     41:     0x648bfededfdc - syntex_syntax::ext::decorator::expand_attributes::hfa09a4d7aafff30d
[INFO] [stderr]     42:     0x648bfee4a313 - syntex_syntax::ext::expand::MacroExpander::expand_crate::h7a77ef3bda93fc85
[INFO] [stderr]     43:     0x648bfec8589a - syntex::registry::Registry::expand_crate::hb451087cd9c57287
[INFO] [stderr]     44:     0x648bfec10fcf - syntex::registry::Registry::expand::h9affb8f84774d36b
[INFO] [stderr]     45:     0x648bfec0e30c - serde_codegen::expand::{{closure}}::h50107ad907aca4b1
[INFO] [stderr]     46:     0x648bfec0e4a6 - std::sys::backtrace::__rust_begin_short_backtrace::h53ca3c62c61c23a1
[INFO] [stderr]     47:     0x648bfec0f995 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h31285bd2192d2edc
[INFO] [stderr]     48:     0x648bfec0e0e8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfcbbf5c2f9be2627
[INFO] [stderr]     49:     0x648bfec0fb24 - std::panicking::try::do_call::h6c4003efee5b21ae
[INFO] [stderr]     50:     0x648bfec119fb - __rust_try
[INFO] [stderr]     51:     0x648bfec0f7aa - std::thread::Builder::spawn_unchecked_::{{closure}}::he4507e8508b9692f
[INFO] [stderr]     52:     0x648bfec0fc26 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h409767a9cf6d7767
[INFO] [stderr]     53:     0x648bfef7768b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4affa3444ff24f07
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]     54:     0x648bfef7768b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h56db47d0ec37b4e2
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]     55:     0x648bfef7768b - std::sys::pal::unix::thread::Thread::new::thread_start::hbed294d48a38d6d6
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]     56:     0x782af3440ac3 - <unknown>
[INFO] [stderr]     57:     0x782af34d1a04 - clone
[INFO] [stderr]     58:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "73330669224a0367905ed544b2c0c5193f47605d674e9caf596b478d333a4de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73330669224a0367905ed544b2c0c5193f47605d674e9caf596b478d333a4de1", kill_on_drop: false }`
[INFO] [stdout] 73330669224a0367905ed544b2c0c5193f47605d674e9caf596b478d333a4de1
