[INFO] fetching crate accord 0.2.2...
[INFO] checking accord-0.2.2 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[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 b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "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: v2.6.0)
[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: v0.4.22)
[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: v1.0.204)
[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: v1.0.120)
[INFO] [stderr]       Adding syn v0.9.2 (latest: v2.0.71)
[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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "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 num-traits v0.1.43
[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 itoa v0.1.1
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded serde_codegen v0.8.14
[INFO] [stderr]   Downloaded syntex_errors v0.45.0
[INFO] [stderr]   Downloaded syntex_syntax v0.45.1
[INFO] [stderr]   Downloaded syntex v0.45.1
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded syntex_pos v0.45.0
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3b37b1b36c36188ad995ecaa480d5405d0f9140c97dcdf0a344f577e09b1bb
[INFO] running `Command { std: "docker" "start" "-a" "ec3b37b1b36c36188ad995ecaa480d5405d0f9140c97dcdf0a344f577e09b1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3b37b1b36c36188ad995ecaa480d5405d0f9140c97dcdf0a344f577e09b1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3b37b1b36c36188ad995ecaa480d5405d0f9140c97dcdf0a344f577e09b1bb", kill_on_drop: false }`
[INFO] [stdout] ec3b37b1b36c36188ad995ecaa480d5405d0f9140c97dcdf0a344f577e09b1bb
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8803a098176fbe0fe144d4b1d89d1c00fbd309f7d56c92b80fed58a299d658f1
[INFO] running `Command { std: "docker" "start" "-a" "8803a098176fbe0fe144d4b1d89d1c00fbd309f7d56c92b80fed58a299d658f1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[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 autocfg v1.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.1.1
[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]     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-b68b712128ae1e0e/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at library/core/src/panicking.rs:221:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f2c98af5d5 - std::backtrace_rs::backtrace::libunwind::trace::h8cc2bfa11de1a28b
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x55f2c98af5d5 - std::backtrace_rs::backtrace::trace_unsynchronized::h620e1efc8805fde9
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f2c98af5d5 - std::sys::backtrace::_print_fmt::hc295e2a76a1b9bfa
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/sys/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55f2c98af5d5 - <std::sys::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hae7f6d80eb1a8d18
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/sys/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55f2c98ce9eb - core::fmt::rt::Argument::fmt::h1f862ed6fa22ac7b
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x55f2c98ce9eb - core::fmt::write::hb464b274d8cec3fe
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/core/src/fmt/mod.rs:1182:21
[INFO] [stderr]      6:     0x55f2c98acf6f - std::io::Write::write_fmt::h553dbdb2db412840
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x55f2c98af3ae - std::sys::backtrace::_print::hf2bb3314a5314867
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/sys/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55f2c98af3ae - std::sys::backtrace::print::h8581301be95ade94
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/sys/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55f2c98b0659 - std::panicking::default_hook::{{closure}}::h4266ec87974cde68
[INFO] [stderr]     10:     0x55f2c98b03fc - std::panicking::default_hook::h8eee0dbb06aa6ac8
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55f2c98b0c81 - std::panicking::rust_panic_with_hook::h94b600c75806257e
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/panicking.rs:796:13
[INFO] [stderr]     12:     0x55f2c98b0ab3 - std::panicking::begin_panic_handler::{{closure}}::hf610a23b5d2da127
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/panicking.rs:663:13
[INFO] [stderr]     13:     0x55f2c98afa99 - std::sys::backtrace::__rust_end_short_backtrace::h75905db3e001b025
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/sys/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55f2c98b0774 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/panicking.rs:661:5
[INFO] [stderr]     15:     0x55f2c98cdb55 - core::panicking::panic_nounwind_fmt::runtime::hddf6da565e40e558
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/core/src/panicking.rs:112:18
[INFO] [stderr]     16:     0x55f2c98cdb55 - core::panicking::panic_nounwind_fmt::h5aaf263c4f6046a5
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/core/src/panicking.rs:122:5
[INFO] [stderr]     17:     0x55f2c98cdbe2 - core::panicking::panic_nounwind::h213f2b419c547539
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/core/src/panicking.rs:221:5
[INFO] [stderr]     18:     0x55f2c96d9acb - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h4555c25ff3247f3c
[INFO] [stderr]     19:     0x55f2c96d9612 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::h70aa277ea4f8dd22
[INFO] [stderr]     20:     0x55f2c96d5925 - core::slice::<impl [T]>::get_unchecked::hea8ef096d0e3d363
[INFO] [stderr]     21:     0x55f2c95cafe5 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h3a6c8b1dafd3e3d2
[INFO] [stderr]     22:     0x55f2c960865c - syntex_syntax::fold::fold_attrs::he1c59c59220acfc2
[INFO] [stderr]     23:     0x55f2c963c9c3 - syntex_syntax::fold::noop_fold_item_simple::h527a2c96816f6d01
[INFO] [stderr]     24:     0x55f2c96e100f - syntex_syntax::fold::Folder::fold_item_simple::h1fe2bb78ec8be46b
[INFO] [stderr]     25:     0x55f2c963bfaf - syntex_syntax::fold::noop_fold_item::{{closure}}::h52a64f00fe7f15d3
[INFO] [stderr]     26:     0x55f2c97be188 - syntex_syntax::ptr::P<T>::map::h85b6f01d15228d37
[INFO] [stderr]     27:     0x55f2c963be6b - syntex_syntax::fold::noop_fold_item::h418475ce56a4b30f
[INFO] [stderr]     28:     0x55f2c96f5b02 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::h5a93f59433d79e55
[INFO] [stderr]     29:     0x55f2c96d56d4 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::h36d6f14e798083fb
[INFO] [stderr]     30:     0x55f2c9798e8c - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::hc11f2d45921fafa7
[INFO] [stderr]     31:     0x55f2c9700bec - core::ops::function::FnOnce::call_once::hff8619e9426104fc
[INFO] [stderr]     32:     0x55f2c970f7eb - core::iter::adapters::fuse::and_then_or_clear::h747e5536422d98a2
[INFO] [stderr]     33:     0x55f2c96fad5e - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h53642956f315dfc8
[INFO] [stderr]     34:     0x55f2c96fe19e - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::hd29d1b1fc50625c1
[INFO] [stderr]     35:     0x55f2c96fc5a7 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::h8d0187925819f159
[INFO] [stderr]     36:     0x55f2c97822ff - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::he1f5db608ce735da
[INFO] [stderr]     37:     0x55f2c977e65d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::h24bc128beb7932a8
[INFO] [stderr]     38:     0x55f2c970df9e - core::iter::traits::iterator::Iterator::collect::h16a24151510a8f66
[INFO] [stderr]     39:     0x55f2c96f5a9c - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h0690ec2e4a334209
[INFO] [stderr]     40:     0x55f2c963b546 - syntex_syntax::fold::noop_fold_crate::hf8d7e204b0892b80
[INFO] [stderr]     41:     0x55f2c96e0f0f - syntex_syntax::fold::Folder::fold_crate::h9bed05de79c90591
[INFO] [stderr]     42:     0x55f2c96f5a0c - syntex_syntax::ext::decorator::expand_attributes::h901b8497bb585c9d
[INFO] [stderr]     43:     0x55f2c9788813 - syntex_syntax::ext::expand::MacroExpander::expand_crate::h5d7ffb48386df620
[INFO] [stderr]     44:     0x55f2c95a0ab3 - syntex::registry::Registry::expand_crate::h4a11622580986a7f
[INFO] [stderr]     45:     0x55f2c952cce8 - syntex::registry::Registry::expand::h8adce3cc38012724
[INFO] [stderr]     46:     0x55f2c952a22c - serde_codegen::expand::{{closure}}::hd2bd979fd6545257
[INFO] [stderr]     47:     0x55f2c952a3d6 - std::sys::backtrace::__rust_begin_short_backtrace::hc4106216b88d9a23
[INFO] [stderr]     48:     0x55f2c952b6b5 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h273f2ef23c3846af
[INFO] [stderr]     49:     0x55f2c952a008 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6d7f137e2f22431d
[INFO] [stderr]     50:     0x55f2c952b844 - std::panicking::try::do_call::h9dd1c1a512d00cb0
[INFO] [stderr]     51:     0x55f2c952d6db - __rust_try
[INFO] [stderr]     52:     0x55f2c952b4b0 - std::thread::Builder::spawn_unchecked_::{{closure}}::habac5aff685df6e9
[INFO] [stderr]     53:     0x55f2c952b946 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd0517014c1967618
[INFO] [stderr]     54:     0x55f2c98b334b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h115be404afbc3c3d
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/alloc/src/boxed.rs:2064:9
[INFO] [stderr]     55:     0x55f2c98b334b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h83d1bc1a7010a011
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/alloc/src/boxed.rs:2064:9
[INFO] [stderr]     56:     0x55f2c98b334b - std::sys::pal::unix::thread::Thread::new::thread_start::hfc77bc7ecb0b2b33
[INFO] [stderr]                                  at /rustc/b286722878e18db29a7fbe672be7c4d3b02e8e4d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]     57:     0x7f76d6e2aac3 - <unknown>
[INFO] [stderr]     58:     0x7f76d6ebba04 - clone
[INFO] [stderr]     59:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "8803a098176fbe0fe144d4b1d89d1c00fbd309f7d56c92b80fed58a299d658f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8803a098176fbe0fe144d4b1d89d1c00fbd309f7d56c92b80fed58a299d658f1", kill_on_drop: false }`
[INFO] [stdout] 8803a098176fbe0fe144d4b1d89d1c00fbd309f7d56c92b80fed58a299d658f1
[INFO] checking accord-0.2.2 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate accord 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate accord 0.2.2 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "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: v2.6.0)
[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: v0.4.22)
[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: v1.0.204)
[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: v1.0.120)
[INFO] [stderr]       Adding syn v0.9.2 (latest: v2.0.71)
[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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0500566d2f73b10c2a5035ba31c004355b387b43393d3fa4f1ed53a81a5ec6df
[INFO] running `Command { std: "docker" "start" "-a" "0500566d2f73b10c2a5035ba31c004355b387b43393d3fa4f1ed53a81a5ec6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0500566d2f73b10c2a5035ba31c004355b387b43393d3fa4f1ed53a81a5ec6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0500566d2f73b10c2a5035ba31c004355b387b43393d3fa4f1ed53a81a5ec6df", kill_on_drop: false }`
[INFO] [stdout] 0500566d2f73b10c2a5035ba31c004355b387b43393d3fa4f1ed53a81a5ec6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a8113e8d3c5cbc36795b1c4e44a25aaa91924079de4c02e2fcf0923e21c4e2
[INFO] running `Command { std: "docker" "start" "-a" "13a8113e8d3c5cbc36795b1c4e44a25aaa91924079de4c02e2fcf0923e21c4e2", 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 v0.2.155
[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 autocfg v1.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[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-b68b712128ae1e0e/build-script-build` (signal: 6, SIGABRT: process abort signal)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at library/core/src/panicking.rs:221:5:
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5620a5f57285 - std::backtrace_rs::backtrace::libunwind::trace::h9f0ca6ecc178c101
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5620a5f57285 - std::backtrace_rs::backtrace::trace_unsynchronized::hfc6e80afe6be19f0
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5620a5f57285 - std::sys::backtrace::_print_fmt::h38efac80b97882e4
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/sys/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5620a5f57285 - <std::sys::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h80ed10030e047d0d
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/sys/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5620a5f7669b - core::fmt::rt::Argument::fmt::h50135af5accb25d9
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5620a5f7669b - core::fmt::write::h9bc4cf345501b280
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/core/src/fmt/mod.rs:1182:21
[INFO] [stderr]      6:     0x5620a5f54b6f - std::io::Write::write_fmt::ha7eced1f78298dc7
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]      7:     0x5620a5f5705e - std::sys::backtrace::_print::ha12dcc3f2c2811e7
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/sys/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5620a5f5705e - std::sys::backtrace::print::hfb7faa9bb84c0739
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/sys/backtrace.rs:34:9
[INFO] [stderr]      9:     0x5620a5f58309 - std::panicking::default_hook::{{closure}}::h8414694c116cfdcb
[INFO] [stderr]     10:     0x5620a5f580ac - std::panicking::default_hook::h6dd1864174ab8643
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x5620a5f58931 - std::panicking::rust_panic_with_hook::haced9396b97bf851
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/panicking.rs:796:13
[INFO] [stderr]     12:     0x5620a5f58763 - std::panicking::begin_panic_handler::{{closure}}::hafe214e9935c880a
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/panicking.rs:663:13
[INFO] [stderr]     13:     0x5620a5f57749 - std::sys::backtrace::__rust_end_short_backtrace::hf6819f91d755812a
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/sys/backtrace.rs:171:18
[INFO] [stderr]     14:     0x5620a5f58424 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/panicking.rs:661:5
[INFO] [stderr]     15:     0x5620a5f75805 - core::panicking::panic_nounwind_fmt::runtime::h25b896c3114a2750
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/core/src/panicking.rs:112:18
[INFO] [stderr]     16:     0x5620a5f75805 - core::panicking::panic_nounwind_fmt::hcfd9e8e388cd7cb1
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/core/src/panicking.rs:122:5
[INFO] [stderr]     17:     0x5620a5f75892 - core::panicking::panic_nounwind::hb1d46085181b79e9
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/core/src/panicking.rs:221:5
[INFO] [stderr]     18:     0x5620a5d8186b - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h3301450b6e64142e
[INFO] [stderr]     19:     0x5620a5d817f2 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::he6777e02bd1720e9
[INFO] [stderr]     20:     0x5620a5d7d685 - core::slice::<impl [T]>::get_unchecked::h0d2012a9a7e5d8f6
[INFO] [stderr]     21:     0x5620a5c82b45 - <alloc::vec::Vec<T> as syntex_syntax::util::move_map::MoveMap<T>>::move_flat_map::h6f0dc0af098e11b1
[INFO] [stderr]     22:     0x5620a5cb03bc - syntex_syntax::fold::fold_attrs::h05b1a01f4d242e59
[INFO] [stderr]     23:     0x5620a5ce43e3 - syntex_syntax::fold::noop_fold_item_simple::h9d78cc1f89080329
[INFO] [stderr]     24:     0x5620a5d88d5f - syntex_syntax::fold::Folder::fold_item_simple::hf69fbb8c44448971
[INFO] [stderr]     25:     0x5620a5ce3d3f - syntex_syntax::fold::noop_fold_item::{{closure}}::h3d557ad830f207da
[INFO] [stderr]     26:     0x5620a5e62d58 - syntex_syntax::ptr::P<T>::map::h2fdb8d460ed28b30
[INFO] [stderr]     27:     0x5620a5ce3b6b - syntex_syntax::fold::noop_fold_item::h135d7e3274e5d37b
[INFO] [stderr]     28:     0x5620a5d9d902 - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::{{closure}}::he14582aac140f213
[INFO] [stderr]     29:     0x5620a5d7d4a4 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::h1f4195a6b94b41ca
[INFO] [stderr]     30:     0x5620a5e3fd8c - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h2374e7d8a303c2e9
[INFO] [stderr]     31:     0x5620a5da812c - core::ops::function::FnOnce::call_once::h45f745640a82cfae
[INFO] [stderr]     32:     0x5620a5db78eb - core::iter::adapters::fuse::and_then_or_clear::hcac9499b828a41fe
[INFO] [stderr]     33:     0x5620a5da2aae - <core::iter::adapters::fuse::Fuse<I> as core::iter::adapters::fuse::FuseImpl<I>>::next::h00fa23ec6ea96a30
[INFO] [stderr]     34:     0x5620a5da535e - <core::iter::adapters::flatten::FlattenCompat<I,U> as core::iter::traits::iterator::Iterator>::next::h5989c14a9b477086
[INFO] [stderr]     35:     0x5620a5da4337 - <core::iter::adapters::flatten::FlatMap<I,U,F> as core::iter::traits::iterator::Iterator>::next::ha04db567ca739ae3
[INFO] [stderr]     36:     0x5620a5e2918f - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::Extend<T>>::extend::h7e3bdc547352fda7
[INFO] [stderr]     37:     0x5620a5e2809d - <syntex_syntax::util::small_vector::SmallVector<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::he8a1d2b428ef8f7d
[INFO] [stderr]     38:     0x5620a5db60ce - core::iter::traits::iterator::Iterator::collect::hb140a7d9dd08d2be
[INFO] [stderr]     39:     0x5620a5d9d89c - <syntex_syntax::ext::decorator::MacroExpander as syntex_syntax::fold::Folder>::fold_item::h03e5a42486c73a4e
[INFO] [stderr]     40:     0x5620a5ce3336 - syntex_syntax::fold::noop_fold_crate::h0d0cb8f365dc7ea4
[INFO] [stderr]     41:     0x5620a5d88c5f - syntex_syntax::fold::Folder::fold_crate::h2958647d5b6676b6
[INFO] [stderr]     42:     0x5620a5d9d80c - syntex_syntax::ext::decorator::expand_attributes::ha9d5f54c55ea6aee
[INFO] [stderr]     43:     0x5620a5e30583 - syntex_syntax::ext::expand::MacroExpander::expand_crate::h31c32d52e2e2f3c6
[INFO] [stderr]     44:     0x5620a5c488a3 - syntex::registry::Registry::expand_crate::hfd09eb71d9ea8355
[INFO] [stderr]     45:     0x5620a5bd4ad8 - syntex::registry::Registry::expand::h2aa28ce2139ae5c0
[INFO] [stderr]     46:     0x5620a5bd201c - serde_codegen::expand::{{closure}}::h59843dea3fd75227
[INFO] [stderr]     47:     0x5620a5bd21c6 - std::sys::backtrace::__rust_begin_short_backtrace::h82b97f027b890c9b
[INFO] [stderr]     48:     0x5620a5bd35f5 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::he5b33698793c0848
[INFO] [stderr]     49:     0x5620a5bd1de8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1849aac88f685bff
[INFO] [stderr]     50:     0x5620a5bd3634 - std::panicking::try::do_call::hbbecdbdb4555f282
[INFO] [stderr]     51:     0x5620a5bd54cb - __rust_try
[INFO] [stderr]     52:     0x5620a5bd3180 - std::thread::Builder::spawn_unchecked_::{{closure}}::h9698b266dd9e5aa0
[INFO] [stderr]     53:     0x5620a5bd3736 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd305aac5f6884a14
[INFO] [stderr]     54:     0x5620a5f5affb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc40d640a0f462905
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/alloc/src/boxed.rs:2064:9
[INFO] [stderr]     55:     0x5620a5f5affb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6610a6c64fc32f9b
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/alloc/src/boxed.rs:2064:9
[INFO] [stderr]     56:     0x5620a5f5affb - std::sys::pal::unix::thread::Thread::new::thread_start::h0d9030a51b9bef1b
[INFO] [stderr]                                  at /rustc/6a5749073f2ebf59d7740d30e50a932a85756ee7/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]     57:     0x7f7236207ac3 - <unknown>
[INFO] [stderr]     58:     0x7f7236298a04 - clone
[INFO] [stderr]     59:                0x0 - <unknown>
[INFO] [stderr]   thread caused non-unwinding panic. aborting.
[INFO] running `Command { std: "docker" "inspect" "13a8113e8d3c5cbc36795b1c4e44a25aaa91924079de4c02e2fcf0923e21c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a8113e8d3c5cbc36795b1c4e44a25aaa91924079de4c02e2fcf0923e21c4e2", kill_on_drop: false }`
[INFO] [stdout] 13a8113e8d3c5cbc36795b1c4e44a25aaa91924079de4c02e2fcf0923e21c4e2
