[INFO] fetching crate trivet 2.0.2...
[INFO] testing trivet-2.0.2 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate trivet 2.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate trivet 2.0.2 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trivet 2.0.2
[INFO] finished tweaking crates.io crate trivet 2.0.2
[INFO] tweaked toml for crates.io crate trivet 2.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate trivet 2.0.2 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d982b5b3e8d6e3fb7e196c0866b3b279a4a1ff397f2582fd5d760106e9ae996d
[INFO] running `Command { std: "docker" "start" "-a" "d982b5b3e8d6e3fb7e196c0866b3b279a4a1ff397f2582fd5d760106e9ae996d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d982b5b3e8d6e3fb7e196c0866b3b279a4a1ff397f2582fd5d760106e9ae996d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d982b5b3e8d6e3fb7e196c0866b3b279a4a1ff397f2582fd5d760106e9ae996d", kill_on_drop: false }`
[INFO] [stdout] d982b5b3e8d6e3fb7e196c0866b3b279a4a1ff397f2582fd5d760106e9ae996d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dfbb3d9b15c7fdc581fba77183066bac22f8bc930c362d298b5892a87b0f31a
[INFO] running `Command { std: "docker" "start" "-a" "0dfbb3d9b15c7fdc581fba77183066bac22f8bc930c362d298b5892a87b0f31a", kill_on_drop: false }`
[INFO] [stderr]    Compiling trivet v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "0dfbb3d9b15c7fdc581fba77183066bac22f8bc930c362d298b5892a87b0f31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfbb3d9b15c7fdc581fba77183066bac22f8bc930c362d298b5892a87b0f31a", kill_on_drop: false }`
[INFO] [stdout] 0dfbb3d9b15c7fdc581fba77183066bac22f8bc930c362d298b5892a87b0f31a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd6c9aaebe4b204a07d7c5966002a4afd0737d0a5044b2d0eefe4b7a248f203
[INFO] running `Command { std: "docker" "start" "-a" "1bd6c9aaebe4b204a07d7c5966002a4afd0737d0a5044b2d0eefe4b7a248f203", kill_on_drop: false }`
[INFO] [stderr]    Compiling trivet v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/book_building_sequence.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Number(trivet::Loc, u64),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Thing` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Number((), ()),
[INFO] [stdout]    |            ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/book_building_sequence.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Id(trivet::Loc, String),
[INFO] [stdout]    |     -- ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Thing` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Id((), ()),
[INFO] [stdout]    |        ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.82s
[INFO] running `Command { std: "docker" "inspect" "1bd6c9aaebe4b204a07d7c5966002a4afd0737d0a5044b2d0eefe4b7a248f203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd6c9aaebe4b204a07d7c5966002a4afd0737d0a5044b2d0eefe4b7a248f203", kill_on_drop: false }`
[INFO] [stdout] 1bd6c9aaebe4b204a07d7c5966002a4afd0737d0a5044b2d0eefe4b7a248f203
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a88624c5042d7b39747f7a7971cd5581129202b3b140ef06de8e7654fd089ee6
[INFO] running `Command { std: "docker" "start" "-a" "a88624c5042d7b39747f7a7971cd5581129202b3b140ef06de8e7654fd089ee6", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> examples/book_building_sequence.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Number(trivet::Loc, u64),
[INFO] [stderr]    |     ------ ^^^^^^^^^^^  ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Thing` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Number((), ()),
[INFO] [stderr]    |            ~~  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> examples/book_building_sequence.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Id(trivet::Loc, String),
[INFO] [stderr]    |     -- ^^^^^^^^^^^  ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Thing` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Id((), ()),
[INFO] [stderr]    |        ~~  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `trivet` (example "book_building_sequence") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trivet-8040766f16712316)
[INFO] [stdout] 
[INFO] [stdout] running 143 tests
[INFO] [stdout] test numbers::binary_float::test::exponent_test ... ok
[INFO] [stdout] test numbers::binary_float::test::fraction_test ... ok
[INFO] [stdout] test numbers::binary_float::test::integer_test ... ok
[INFO] [stdout] test numbers::binary_float::test::one_test ... ok
[INFO] [stdout] test numbers::binary_float::test::limits_test ... ok
[INFO] [stdout] test numbers::binary_float::test::reject_test_1 ... ok
[INFO] [stdout] test numbers::binary_float::test::zero_test ... ok
[INFO] [stdout] test numbers::binary_float::test::overflow_test ... ok
[INFO] [stdout] test numbers::decimal_float::test::exponent_test_1 ... ok
[INFO] [stdout] test numbers::binary_float::test::reject_test_3 ... ok
[INFO] [stdout] test numbers::decimal_float::test::exponent_test_2 ... ok
[INFO] [stdout] test numbers::decimal_float::test::limits_test ... ok
[INFO] [stdout] test numbers::binary_float::test::reject_test_2 ... ok
[INFO] [stdout] test numbers::decimal_float::test::one_test ... ok
[INFO] [stdout] test numbers::decimal_float::test::integer_test_1 ... ok
[INFO] [stdout] test numbers::decimal_float::test::integer_test_2 ... ok
[INFO] [stdout] test numbers::decimal_float::test::fraction_test_2 ... ok
[INFO] [stdout] test numbers::decimal_float::test::fraction_test_1 ... ok
[INFO] [stdout] test numbers::decimal_float::test::zero_test ... ok
[INFO] [stdout] test numbers::decimal_float::test::overflow_test ... ok
[INFO] [stdout] test numbers::binary_float::test::reject_test_4 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::digit_test ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::exponent_test_3 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::exponent_test_2 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::fraction_test_2 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::fraction_test_1 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::integer_test_1 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::fraction_test_3 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::integer_test_2 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::one_test ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::limits_test ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_1 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_2 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_7 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_3 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_4 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::exponent_test_1 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_5 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::zero_test ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::reject_test_6 ... ok
[INFO] [stdout] test numbers::hexadecimal_float::test::overflow_test ... ok
[INFO] [stdout] test numbers::octal_float::test::decimal_test ... ok
[INFO] [stdout] test numbers::octal_float::test::exponent_test_2 ... ok
[INFO] [stdout] test numbers::octal_float::test::exponent_test_1 ... ok
[INFO] [stdout] test numbers::octal_float::test::fraction_test_2 ... ok
[INFO] [stdout] test numbers::octal_float::test::integer_test_2 ... ok
[INFO] [stdout] test numbers::octal_float::test::limits_test ... ok
[INFO] [stdout] test numbers::octal_float::test::fraction_test_1 ... ok
[INFO] [stdout] test numbers::octal_float::test::integer_test_1 ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_4 ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_5 ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_1 ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_3 ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_2 ... ok
[INFO] [stdout] test numbers::octal_float::test::one_test ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_6 ... ok
[INFO] [stdout] test numbers::octal_float::test::reject_test_7 ... ok
[INFO] [stdout] test numbers::octal_float::test::zero_test ... ok
[INFO] [stdout] test numbers::octal_float::test::overflow_test ... ok
[INFO] [stdout] test parser::test::loc ... ok
[INFO] [stdout] test parser::test::file ... ok
[INFO] [stdout] test parser::test::peek_and_consume ... ok
[INFO] [stdout] test parser::test::consume ... ok
[INFO] [stdout] test strings::hex::test::char_to_four_digit_hex_test ... ok
[INFO] [stdout] test parser::test::errors ... ok
[INFO] [stdout] test strings::hex::test::char_to_surrogate_test ... ok
[INFO] [stdout] test strings::hex::test::char_to_six_digit_hex_test ... ok
[INFO] [stdout] test strings::hex::test::hex_byte_test ... ok
[INFO] [stdout] test strings::hex::test::hex_dword_test ... ok
[INFO] [stdout] test numbers::decoder::tests::each ... ok
[INFO] [stdout] test parser::test::eof ... ok
[INFO] [stdout] test tests::comments_test::comments ... ok
[INFO] [stdout] test tests::core_test::catch_stall_peek - should panic ... ok
[INFO] [stdout] test parser::test::others ... ok
[INFO] [stdout] test tests::core_test::catch_stall_eof - should panic ... ok
[INFO] [stdout] test parser::test::take ... ok
[INFO] [stdout] test tests::core_test::catch_stall_eof_2 - should panic ... ok
[INFO] [stdout] test tests::core_test::catch_stall_peek_3 - should panic ... ok
[INFO] [stdout] test tests::core_test::catch_stall_peek_2 - should panic ... ok
[INFO] [stdout] test tests::core_test::consume ... ok
[INFO] [stdout] test tests::core_test::console ... ok
[INFO] [stdout] test tests::core_test::consume_2 ... ok
[INFO] [stdout] test tests::core_test::eof ... ok
[INFO] [stdout] test tests::core_test::file ... ok
[INFO] [stdout] test tests::core_test::comments ... ok
[INFO] [stdout] test tests::core_test::check ... ok
[INFO] [stdout] test parser::test::strings ... ok
[INFO] [stdout] test tests::core_test::greedy ... ok
[INFO] [stdout] test tests::core_test::peek_and_consume ... ok
[INFO] [stdout] test tests::core_test::peek_n ... ok
[INFO] [stdout] test tests::core_test::peek_edge ... ok
[INFO] [stdout] test tests::core_test::embedded_parsers ... ok
[INFO] [stdout] test tests::core_test::take_while_unless ... ok
[INFO] [stdout] test tests::core_test::peek_offset_test ... ok
[INFO] [stdout] test tests::core_test::take_while ... ok
[INFO] [stdout] test tests::decoder_test::check_invalid_utf16 ... ok
[INFO] [stdout] test tests::decoder_test::check_invalid_utf8 ... ok
[INFO] [stdout] test tests::decoder_test::check_utf16be ... ok
[INFO] [stdout] test tests::decoder_test::check_utf16le ... ok
[INFO] [stdout] test tests::decoder_test::check_utf8_bom ... ok
[INFO] [stdout] test tests::decoder_test::check_utf8_no_bom ... ok
[INFO] [stdout] test tests::decoder_test::chunks ... ok
[INFO] [stdout] test tests::decoder_test::high_surrogates ... ok
[INFO] [stdout] test tests::decoder_test::read_eof_2 ... ok
[INFO] [stdout] test tests::decoder_test::read_eof ... ok
[INFO] [stdout] test tests::decoder_test::valid_utf16_surrogate ... ok
[INFO] [stdout] test tests::errors_test::error ... ok
[INFO] [stdout] test tests::errors_test::types ... ok
[INFO] [stdout] test tests::loc_test::internal ... ok
[INFO] [stdout] test tests::numbers_test::floats_1 ... ok
[INFO] [stdout] test tests::numbers_test::floats_2 ... ok
[INFO] [stdout] test tests::numbers_test::floats_3 ... ok
[INFO] [stdout] test tests::core_test::take ... ok
[INFO] [stdout] test tests::numbers_test::radix_strings ... ok
[INFO] [stdout] test tests::numbers_test::signed_err ... ok
[INFO] [stdout] test tests::numbers_test::radices ... ok
[INFO] [stdout] test tests::numbers_test::signed_ok ... ok
[INFO] [stdout] test tests::numbers_test::test_new ... ok
[INFO] [stdout] test tests::numbers_test::test_radix ... ok
[INFO] [stdout] test tests::numbers_test::unsigned_err ... ok
[INFO] [stdout] test tests::numbers_test::unsigned_ok ... ok
[INFO] [stdout] test tests::core_test::takes ... ok
[INFO] [stdout] test tests::core_test::parse_items ... ok
[INFO] [stdout] test tests::core_test::trivial ... ok
[INFO] [stdout] test tests::strings_test::escapes ... ok
[INFO] [stdout] test tests::strings_test::discard ... ok
[INFO] [stdout] test tests::strings_test::hex_ascii_escape_test ... ok
[INFO] [stdout] test tests::numbers_test::reject_test ... ok
[INFO] [stdout] test tests::strings_test::encodng ... ok
[INFO] [stdout] test tests::strings_test::names ... ok
[INFO] [stdout] test tests::strings_test::hex_byte_escape_test ... ok
[INFO] [stdout] test tests::strings_test::hex_escapes ... ok
[INFO] [stdout] test tests::strings_test::no_escapes ... ok
[INFO] [stdout] test tests::core_test::parse_numbers_test ... ok
[INFO] [stdout] test tests::strings_test::simple_2 ... ok
[INFO] [stdout] test tests::strings_test::invalid_escapes ... ok
[INFO] [stderr] thread 'tests::strings_test::invalid_unicode' panicked at core/src/panicking.rs:221:5:
[INFO] [stderr] unsafe precondition(s) violated: invalid value for `char`
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x58d8c2207e5a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]    1:     0x58d8c2207e5a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x58d8c2207e5a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x58d8c2207e5a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x58d8c222f533 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]    5:     0x58d8c222f533 - core::fmt::write::h7550c97b06c86515
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]    6:     0x58d8c2205153 - std::io::Write::write_fmt::h7b09c64fe0be9c84
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]    7:     0x58d8c2207ca2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    8:     0x58d8c22092ba - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stderr]    9:     0x58d8c2209100 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:295:9
[INFO] [stderr]   10:     0x58d8c21d4769 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stderr]   11:     0x58d8c21d4769 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stderr]   12:     0x58d8c2209958 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stderr]   13:     0x58d8c2209958 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stderr]   14:     0x58d8c22096e6 - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:667:13
[INFO] [stderr]   15:     0x58d8c2208339 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]   16:     0x58d8c22093ac - rust_begin_unwind
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stderr]   17:     0x58d8c20f8b8d - core::panicking::panic_nounwind_fmt::runtime::h1f507a806003dfb2
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:112:18
[INFO] [stderr]   18:     0x58d8c20f8b8d - core::panicking::panic_nounwind_fmt::h357fc035dc231634
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:122:5
[INFO] [stderr]   19:     0x58d8c20f8c22 - core::panicking::panic_nounwind::hd0dad372654c389a
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:221:5
[INFO] [stderr]   20:     0x58d8c211a66a - core::char::convert::from_u32_unchecked::precondition_check::hdb0a05252eda8292
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ub_checks.rs:70:21
[INFO] [stderr]   21:     0x58d8c211abb0 - core::char::convert::from_u32_unchecked::h2b62fd31c31efe24
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ub_checks.rs:77:17
[INFO] [stderr]   22:     0x58d8c211abb0 - core::char::methods::<impl char>::from_u32_unchecked::h3428af196e12947a
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/char/methods.rs:228:18
[INFO] [stderr]   23:     0x58d8c217c5de - trivet::strings::decoder::StringParser::handle_illegal_unicode::h16fe6ec5d3c4509a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/strings/decoder.rs:309:29
[INFO] [stderr]   24:     0x58d8c217ca9f - trivet::strings::decoder::StringParser::parse_surrogate_pair::h867ee7b43056ed07
[INFO] [stderr]                                at /opt/rustwide/workdir/src/strings/decoder.rs:340:20
[INFO] [stderr]   25:     0x58d8c21807b0 - trivet::strings::decoder::StringParser::parse_escape::hfa0d51a59c3ed09e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/strings/decoder.rs:517:21
[INFO] [stderr]   26:     0x58d8c2181452 - trivet::strings::decoder::StringParser::process::h7f71fafc1bac9c7f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/strings/decoder.rs:694:25
[INFO] [stderr]   27:     0x58d8c2181638 - trivet::strings::decoder::StringParser::parse_string::h4983b38aea977927
[INFO] [stderr]                                at /opt/rustwide/workdir/src/strings/decoder.rs:708:9
[INFO] [stderr]   28:     0x58d8c213044e - trivet::tests::strings_test::invalid_unicode::he89b5f7870e596b6
[INFO] [stderr]                                at /opt/rustwide/workdir/src/tests/strings_test.rs:263:25
[INFO] [stderr]   29:     0x58d8c2130097 - trivet::tests::strings_test::invalid_unicode::{{closure}}::h7b685a346d0ffecd
[INFO] [stderr]                                at /opt/rustwide/workdir/src/tests/strings_test.rs:247:21
[INFO] [stderr]   30:     0x58d8c2112c66 - core::ops::function::FnOnce::call_once::heaea16d3f89f9364
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x58d8c21d912b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   32:     0x58d8c21d912b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stderr]   33:     0x58d8c21d8967 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stderr]   34:     0x58d8c21d8967 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   35:     0x58d8c21d8967 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stderr]   36:     0x58d8c21d8967 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stderr]   37:     0x58d8c21d8967 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stderr]   38:     0x58d8c21d8967 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stderr]   39:     0x58d8c21d8967 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stderr]   40:     0x58d8c219dc44 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stderr]   41:     0x58d8c219dc44 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stderr]   42:     0x58d8c21a130e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stderr]   43:     0x58d8c21a130e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   44:     0x58d8c21a130e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stderr]   45:     0x58d8c21a130e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stderr]   46:     0x58d8c21a130e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stderr]   47:     0x58d8c21a130e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stderr]   48:     0x58d8c21a130e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   49:     0x58d8c220d79b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]   50:     0x58d8c220d79b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]   51:     0x58d8c220d79b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]   52:     0x71cc17525ac3 - <unknown>
[INFO] [stderr]   53:     0x71cc175b6a04 - clone
[INFO] [stderr]   54:                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/trivet-8040766f16712316` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a88624c5042d7b39747f7a7971cd5581129202b3b140ef06de8e7654fd089ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88624c5042d7b39747f7a7971cd5581129202b3b140ef06de8e7654fd089ee6", kill_on_drop: false }`
[INFO] [stdout] a88624c5042d7b39747f7a7971cd5581129202b3b140ef06de8e7654fd089ee6
