[INFO] cloning repository https://github.com/jix/sortnetopt-gnp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jix/sortnetopt-gnp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjix%2Fsortnetopt-gnp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjix%2Fsortnetopt-gnp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e40933e45c981003d13e3a9134dfa31d26b2099f
[INFO] testing jix/sortnetopt-gnp against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjix%2Fsortnetopt-gnp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jix/sortnetopt-gnp
[INFO] finished tweaking git repo https://github.com/jix/sortnetopt-gnp
[INFO] tweaked toml for git repo https://github.com/jix/sortnetopt-gnp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jix/sortnetopt-gnp on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jix/sortnetopt-gnp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.3
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[INFO] [stderr]   Downloaded backtrace v0.3.34
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[INFO] [stderr]   Downloaded syn v0.15.43
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[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
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[INFO] [stderr]   Downloaded regex v1.2.1
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[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded better-panic v0.1.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 266cd5e0d8a939cb1af5f1d6737466f5fdb5e921122d53e449ea970e4a5fc06a
[INFO] running `Command { std: "docker" "start" "-a" "266cd5e0d8a939cb1af5f1d6737466f5fdb5e921122d53e449ea970e4a5fc06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "266cd5e0d8a939cb1af5f1d6737466f5fdb5e921122d53e449ea970e4a5fc06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266cd5e0d8a939cb1af5f1d6737466f5fdb5e921122d53e449ea970e4a5fc06a", kill_on_drop: false }`
[INFO] [stdout] 266cd5e0d8a939cb1af5f1d6737466f5fdb5e921122d53e449ea970e4a5fc06a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01a7205ff275adc2576abf2c20a21a0864909cf2ab231d7294d91c623f11a6c
[INFO] running `Command { std: "docker" "start" "-a" "e01a7205ff275adc2576abf2c20a21a0864909cf2ab231d7294d91c623f11a6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling better-panic v0.1.2
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling sortnetopt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e01a7205ff275adc2576abf2c20a21a0864909cf2ab231d7294d91c623f11a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01a7205ff275adc2576abf2c20a21a0864909cf2ab231d7294d91c623f11a6c", kill_on_drop: false }`
[INFO] [stdout] e01a7205ff275adc2576abf2c20a21a0864909cf2ab231d7294d91c623f11a6c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c216126482d8a78762fbc1f3717a26ce2a9c46473816699d4d648a515d5006ef
[INFO] running `Command { std: "docker" "start" "-a" "c216126482d8a78762fbc1f3717a26ce2a9c46473816699d4d648a515d5006ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling sortnetopt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c216126482d8a78762fbc1f3717a26ce2a9c46473816699d4d648a515d5006ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c216126482d8a78762fbc1f3717a26ce2a9c46473816699d4d648a515d5006ef", kill_on_drop: false }`
[INFO] [stdout] c216126482d8a78762fbc1f3717a26ce2a9c46473816699d4d648a515d5006ef
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0efaa4b30729c7d2dbf1f86fe56f5e732d6c73db5234da0882bd30fea06581a
[INFO] running `Command { std: "docker" "start" "-a" "f0efaa4b30729c7d2dbf1f86fe56f5e732d6c73db5234da0882bd30fea06581a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0
[INFO] [stdout] running 4 tests
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sortnetopt-4d66487de1d23232)
[INFO] [stdout] test output_set::test::avec_capacity ... ok
[INFO] [stderr] Backtrace (most recent call first):
[INFO] [stderr] Backtrace (most recent call first):
[INFO] [stderr] Backtrace (most recent call first):
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.34/src/backtrace/libunwind.rs", line 88, in backtrace::backtrace::libunwind::trace
[INFO] [stderr]     uw::_Unwind_Backtrace(trace_fn, &mut cb as *mut _ as *mut _);
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.34/src/backtrace/mod.rs", line 66, in backtrace::backtrace::trace_unsynchronized
[INFO] [stderr]     trace_imp(&mut cb)
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.34/src/backtrace/mod.rs", line 53, in backtrace::backtrace::trace
[INFO] [stderr]     unsafe { trace_unsynchronized(cb) }
[INFO] [stderr]   File "src/lib.rs", line 418, in better_panic::print_backtrace
[INFO] [stderr]   File "src/lib.rs", line 557, in better_panic::print_backtrace_info
[INFO] [stderr]   File "src/lib.rs", line 463, in better_panic::print_panic_and_backtrace
[INFO] [stderr]   File "src/lib.rs", line 363, in better_panic::Settings::create_panic_handler::{{closure}}
[INFO] [stderr]   File "library/alloc/src/boxed.rs", line 2099, in <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call
[INFO] [stderr]   File "library/std/src/panicking.rs", line 842, in std::panicking::panic_with_hook
[INFO] [stderr]   File "library/std/src/panicking.rs", line 700, in std::panicking::panic_handler::{{closure}}
[INFO] [stderr]   File "library/std/src/sys/backtrace.rs", line 174, in std::sys::backtrace::__rust_end_short_backtrace
[INFO] [stderr]   File "library/std/src/panicking.rs", line 698, in __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stderr]   File "library/core/src/panicking.rs", line 122, in core::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]   File "library/core/src/intrinsics/mod.rs", line 2439, in core::panicking::panic_nounwind_fmt
[INFO] [stderr]   File "rust:library/core/src/ub_checks.rs", line 73, in <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]   File "rust:library/core/src/ub_checks.rs", line 78, in <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut
[INFO] [stderr]   File "rust:library/core/src/slice/mod.rs", line 689, in core::slice::<impl [T]>::get_unchecked_mut
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs", line 246, in arrayvec::ArrayVec<A>::push_unchecked
[INFO] [stderr]     ptr::write(self.get_unchecked_mut(len), element);
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs", line 212, in arrayvec::ArrayVec<A>::try_push
[INFO] [stderr]     self.push_unchecked(element);
[INFO] [stderr]   File "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs", line 184, in arrayvec::ArrayVec<A>::push
[INFO] [stderr]     self.try_push(element).unwrap()
[INFO] [stderr]   File "src/output_set.rs", line 73, in sortnetopt::output_set::OutputSet::apply_comparator
[INFO] [stderr]     keep.push(value);
[INFO] [stderr]   File "src/subsume_index.rs", line 529, in sortnetopt::subsume_index::test::gen_some_output_sets
[INFO] [stderr]     let tmp = all_values.apply_comparator(i, j);
[INFO] [stderr]   File "src/subsume_index.rs", line 553, in sortnetopt::subsume_index::test::build_index
[INFO] [stderr]     let some_output_sets = gen_some_output_sets(i + 3);
[INFO] [stderr]   File "src/subsume_index.rs", line 549, in sortnetopt::subsume_index::test::build_index::{{closure}}
[INFO] [stderr]     fn build_index() {
[INFO] [stderr]   File "rust:library/core/src/ops/function.rs", line 250, in core::ops::function::FnOnce::call_once
[INFO] [stderr]   File "library/core/src/ops/function.rs", line 250, in core::ops::function::FnOnce::call_once
[INFO] [stderr]   File "library/test/src/lib.rs", line 663, in test::__rust_begin_short_backtrace
[INFO] [stderr]   File "library/test/src/lib.rs", line 686, in test::run_test_in_process::{{closure}}
[INFO] [stderr]   File "library/core/src/panic/unwind_safe.rs", line 274, in <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]   File "library/std/src/panicking.rs", line 590, in std::panicking::catch_unwind::do_call
[INFO] [stderr]   File "library/std/src/panicking.rs", line 553, in std::panicking::catch_unwind
[INFO] [stderr]   File "library/std/src/panic.rs", line 359, in std::panic::catch_unwind
[INFO] [stderr]   File "library/test/src/lib.rs", line 686, in test::run_test_in_process
[INFO] [stderr]   File "library/test/src/lib.rs", line 607, in test::run_test::{{closure}}
[INFO] [stderr]   File "library/test/src/lib.rs", line 637, in test::run_test::{{closure}}
[INFO] [stderr]   File "library/std/src/sys/backtrace.rs", line 158, in std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]   File "library/std/src/thread/mod.rs", line 562, in std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stderr]   File "library/core/src/panic/unwind_safe.rs", line 274, in <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]   File "library/std/src/panicking.rs", line 590, in std::panicking::catch_unwind::do_call
[INFO] [stderr]   File "library/std/src/panicking.rs", line 553, in std::panicking::catch_unwind
[INFO] [stderr]   File "library/std/src/panic.rs", line 359, in std::panic::catch_unwind
[INFO] [stderr]   File "library/std/src/thread/mod.rs", line 560, in std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stderr]   File "library/core/src/ops/function.rs", line 250, in core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stderr]   File "library/alloc/src/boxed.rs", line 2085, in <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stderr]   File "library/std/src/sys/thread/unix.rs", line 124, in std::sys::thread::unix::Thread::new::thread_start
[INFO] [stderr]   File "<unknown>", line 0, in <unknown>
[INFO] [stderr]   File "<unknown>", line 0, in __clone
[INFO] [stderr]   File "<unknown>", line 0, in <unknown>
[INFO] [stderr] 
[INFO] [stderr] The application panicked (crashed).
[INFO] [stderr]   unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr]   
[INFO] [stderr]   This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] in /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.11/src/lib.rs, line 246
[INFO] [stderr] thread: subsume_index::test::build_index
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/sortnetopt-4d66487de1d23232` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "f0efaa4b30729c7d2dbf1f86fe56f5e732d6c73db5234da0882bd30fea06581a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0efaa4b30729c7d2dbf1f86fe56f5e732d6c73db5234da0882bd30fea06581a", kill_on_drop: false }`
[INFO] [stdout] f0efaa4b30729c7d2dbf1f86fe56f5e732d6c73db5234da0882bd30fea06581a
