[INFO] fetching crate sentinel 0.5.4...
[INFO] testing sentinel-0.5.4 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate sentinel 0.5.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sentinel 0.5.4
[INFO] finished tweaking crates.io crate sentinel 0.5.4
[INFO] tweaked toml for crates.io crate sentinel 0.5.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sentinel 0.5.4 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d7a0228b4791457168db8f8586578eec88670d5fdccf5951eae2e687af25e20
[INFO] running `Command { std: "docker" "start" "-a" "9d7a0228b4791457168db8f8586578eec88670d5fdccf5951eae2e687af25e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7a0228b4791457168db8f8586578eec88670d5fdccf5951eae2e687af25e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7a0228b4791457168db8f8586578eec88670d5fdccf5951eae2e687af25e20", kill_on_drop: false }`
[INFO] [stdout] 9d7a0228b4791457168db8f8586578eec88670d5fdccf5951eae2e687af25e20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2999085b0bdb0303940dadcc2a09a0cb50d514a6e6c33fd19884db5f1c1ec3
[INFO] running `Command { std: "docker" "start" "-a" "0c2999085b0bdb0303940dadcc2a09a0cb50d514a6e6c33fd19884db5f1c1ec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling sentinel v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "0c2999085b0bdb0303940dadcc2a09a0cb50d514a6e6c33fd19884db5f1c1ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2999085b0bdb0303940dadcc2a09a0cb50d514a6e6c33fd19884db5f1c1ec3", kill_on_drop: false }`
[INFO] [stdout] 0c2999085b0bdb0303940dadcc2a09a0cb50d514a6e6c33fd19884db5f1c1ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26377a082207f3ebe4f5b75cfcd23c8ff9f24d4bcade0d416fa995e408c921ca
[INFO] running `Command { std: "docker" "start" "-a" "26377a082207f3ebe4f5b75cfcd23c8ff9f24d4bcade0d416fa995e408c921ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling sentinel v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/sbox.rs:642:25
[INFO] [stdout]     |
[INFO] [stdout] 642 |     struct PanicOnClone(bool);
[INFO] [stdout]     |            ------------ ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "26377a082207f3ebe4f5b75cfcd23c8ff9f24d4bcade0d416fa995e408c921ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26377a082207f3ebe4f5b75cfcd23c8ff9f24d4bcade0d416fa995e408c921ca", kill_on_drop: false }`
[INFO] [stdout] 26377a082207f3ebe4f5b75cfcd23c8ff9f24d4bcade0d416fa995e408c921ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0deff215d8659e7761d1cb66fd14fc5c31517299d7ea78360c12a1ad5968efdc
[INFO] running `Command { std: "docker" "start" "-a" "0deff215d8659e7761d1cb66fd14fc5c31517299d7ea78360c12a1ad5968efdc", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/sbox.rs:642:25
[INFO] [stderr]     |
[INFO] [stderr] 642 |     struct PanicOnClone(bool);
[INFO] [stderr]     |            ------------ ^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sentinel` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sentinel-0a2194008c4f3bce)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test as_slice ... ok
[INFO] [stdout] test cstr_macro ... ok
[INFO] [stdout] test cstr_macro_empty ... ok
[INFO] [stdout] test from_slice_split_end ... ok
[INFO] [stdout] test from_slice ... ok
[INFO] [stdout] test from_slice_split_middle ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test from_slice_split_start ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'sbox::from_slice_no_sentinel' (38) panicked at src/sbox.rs:128:22:
[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] stack backtrace:
[INFO] [stderr]    0:     0x5f49c7a70552 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5f49c7a70552 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5f49c7a70552 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5f49c7a70552 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h52160e9da139e442
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5f49c7a806ef - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5f49c7a806ef - core::fmt::write::hf09a056a304e021a
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x5f49c7a3d351 - std::io::default_write_fmt::h7567c5950fb0173c
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5f49c7a3d351 - std::io::Write::write_fmt::h361c7127187cda65
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5f49c7a496c2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5f49c7a4e20f - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5f49c7a4e069 - std::panicking::default_hook::h8d20506cf72e4831
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5f49c7a0ebae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3d020961abd83a77
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9
[INFO] [stderr]   12:     0x5f49c7a0ebae - test::test_main_with_exit_callback::{{closure}}::h720dd2fdb2ddcdca
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5f49c7a4e8cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h75334a5fed245bca
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9
[INFO] [stderr]   14:     0x5f49c7a4e8cf - std::panicking::panic_with_hook::h746880a052e02c85
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x5f49c7a4e6f6 - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x5f49c7a497f9 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x5f49c7a31aed - __rustc[76f7e7187978e2f8]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x5f49c7a87dbd - core::panicking::panic_nounwind_fmt::runtime::h9268deeca22cb559
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:120:22
[INFO] [stderr]   19:     0x5f49c7a87dbd - core::panicking::panic_nounwind_fmt::h69113462a187fdbc
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/intrinsics/mod.rs:2435:9
[INFO] [stderr]   20:     0x5f49c79e3a2c - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check::hfac080c3ac006312
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5f49c79e3889 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::h22c99646efdf1d0f
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5f49c79db378 - core::slice::<impl [T]>::get_unchecked_mut::ha64906be7719b64c
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/slice/mod.rs:689:30
[INFO] [stderr]   23:     0x5f49c79ddabf - sentinel::sbox::SBox<T,A>::from_slice_in::h131b27d52b0cc055
[INFO] [stderr]                                at /opt/rustwide/workdir/src/sbox.rs:128:22
[INFO] [stderr]   24:     0x5f49c79df5f7 - sentinel::sbox::SBox<T>::from_slice::h622a6a23090f5a44
[INFO] [stderr]                                at /opt/rustwide/workdir/src/sbox.rs:247:9
[INFO] [stderr]   25:     0x5f49c79df5f7 - sentinel::sbox::from_slice_no_sentinel::he21c6f4e5460a485
[INFO] [stderr]                                at /opt/rustwide/workdir/src/sbox.rs:685:13
[INFO] [stderr]   26:     0x5f49c79df887 - sentinel::sbox::from_slice_no_sentinel::{{closure}}::hb595c334a1b7abb6
[INFO] [stderr]                                at /opt/rustwide/workdir/src/sbox.rs:682:28
[INFO] [stderr]   27:     0x5f49c79d9c36 - core::ops::function::FnOnce::call_once::h42d9d9a4d81103f8
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   28:     0x5f49c7a0e9db - core::ops::function::FnOnce::call_once::h933a5d67211adff2
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   29:     0x5f49c7a0e9db - test::__rust_begin_short_backtrace::h2157af19b0990ffb
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:663:18
[INFO] [stderr]   30:     0x5f49c7a245b5 - test::run_test_in_process::{{closure}}::hc3b17e0f313c900a
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:74
[INFO] [stderr]   31:     0x5f49c7a245b5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha23e4b490259273c
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   32:     0x5f49c7a245b5 - std::panicking::catch_unwind::do_call::h8dc9d5da83792f7a
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]   33:     0x5f49c7a245b5 - std::panicking::catch_unwind::h0d8461330de4a18b
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]   34:     0x5f49c7a245b5 - std::panic::catch_unwind::h0321b51397bf9811
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]   35:     0x5f49c7a245b5 - test::run_test_in_process::hcaaa440fdbe4a513
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:27
[INFO] [stderr]   36:     0x5f49c7a245b5 - test::run_test::{{closure}}::h6345da602b85d6c3
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:607:43
[INFO] [stderr]   37:     0x5f49c79fadc4 - test::run_test::{{closure}}::h90a3b75194d37b5d
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:637:41
[INFO] [stderr]   38:     0x5f49c79fadc4 - std::sys::backtrace::__rust_begin_short_backtrace::hae41a17001f53ede
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   39:     0x5f49c79fe68a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6ea895368381e0b1
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:559:17
[INFO] [stderr]   40:     0x5f49c79fe68a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9c39013633bb9237
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   41:     0x5f49c79fe68a - std::panicking::catch_unwind::do_call::hac7dba9ee4d99108
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]   42:     0x5f49c79fe68a - std::panicking::catch_unwind::h73015d00e4866ebc
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]   43:     0x5f49c79fe68a - std::panic::catch_unwind::h6f7b38e188aa4f62
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]   44:     0x5f49c79fe68a - std::thread::Builder::spawn_unchecked_::{{closure}}::h969a6a2dc1856df7
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:557:30
[INFO] [stderr]   45:     0x5f49c79fe68a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h269ad1ff23e72122
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   46:     0x5f49c7a4493f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdd09a470c130e806
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1973:9
[INFO] [stderr]   47:     0x5f49c7a4493f - std::sys::thread::unix::Thread::new::thread_start::h14ea1ba6e320367c
[INFO] [stderr]                                at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]   48:     0x748342e61aa4 - <unknown>
[INFO] [stderr]   49:     0x748342eeea34 - clone
[INFO] [stderr]   50:                0x0 - <unknown>
[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/sentinel-0a2194008c4f3bce` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "0deff215d8659e7761d1cb66fd14fc5c31517299d7ea78360c12a1ad5968efdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deff215d8659e7761d1cb66fd14fc5c31517299d7ea78360c12a1ad5968efdc", kill_on_drop: false }`
[INFO] [stdout] 0deff215d8659e7761d1cb66fd14fc5c31517299d7ea78360c12a1ad5968efdc