[INFO] cloning repository https://github.com/jakeec/tcr_kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakeec/tcr_kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Ftcr_kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Ftcr_kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0226bbd8d043eb31f2922ea2135167cd45ee9e66
[INFO] testing jakeec/tcr_kata against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Ftcr_kata" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jakeec/tcr_kata
[INFO] finished tweaking git repo https://github.com/jakeec/tcr_kata
[INFO] tweaked toml for git repo https://github.com/jakeec/tcr_kata written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jakeec/tcr_kata on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jakeec/tcr_kata 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50afcf4245edbf6c2c8b8923d4f3772cdc6c35e40cc0f9a461e44d502f5058a5
[INFO] running `Command { std: "docker" "start" "-a" "50afcf4245edbf6c2c8b8923d4f3772cdc6c35e40cc0f9a461e44d502f5058a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50afcf4245edbf6c2c8b8923d4f3772cdc6c35e40cc0f9a461e44d502f5058a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50afcf4245edbf6c2c8b8923d4f3772cdc6c35e40cc0f9a461e44d502f5058a5", kill_on_drop: false }`
[INFO] [stdout] 50afcf4245edbf6c2c8b8923d4f3772cdc6c35e40cc0f9a461e44d502f5058a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd46bdc9d768eac8d51ee7e99d566152dc9f1de19ae7fed60e223792be02aa44
[INFO] running `Command { std: "docker" "start" "-a" "dd46bdc9d768eac8d51ee7e99d566152dc9f1de19ae7fed60e223792be02aa44", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling tcr_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `StringAddError` is never used
[INFO] [stdout]  --> src/string_adder.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum StringAddError {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_add` is never used
[INFO] [stdout]  --> src/string_adder.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn string_add(a: &str, b: &str) -> Result<String, StringAddError> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hex_string_add` is never used
[INFO] [stdout]   --> src/string_adder.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn hex_string_add(a: &str, b: &str) -> Result<String, StringAddError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.41s
[INFO] running `Command { std: "docker" "inspect" "dd46bdc9d768eac8d51ee7e99d566152dc9f1de19ae7fed60e223792be02aa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd46bdc9d768eac8d51ee7e99d566152dc9f1de19ae7fed60e223792be02aa44", kill_on_drop: false }`
[INFO] [stdout] dd46bdc9d768eac8d51ee7e99d566152dc9f1de19ae7fed60e223792be02aa44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af7d59b77514f845770a764fa773356bb60ea7ac74237d27015401a732b9203
[INFO] running `Command { std: "docker" "start" "-a" "7af7d59b77514f845770a764fa773356bb60ea7ac74237d27015401a732b9203", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcr_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ArgumentNotValid` is never constructed
[INFO] [stdout]  --> src/string_adder.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum StringAddError {
[INFO] [stdout]   |      -------------- variant in this enum
[INFO] [stdout] 3 |     ArgumentNotValid(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StringAddError` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `given_0x0F_0x0F_return_145709` should have a snake case name
[INFO] [stdout]    --> src/string_adder.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         fn given_0x0F_0x0F_return_145709() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `given_0x0_f_0x0_f_return_145709`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "7af7d59b77514f845770a764fa773356bb60ea7ac74237d27015401a732b9203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af7d59b77514f845770a764fa773356bb60ea7ac74237d27015401a732b9203", kill_on_drop: false }`
[INFO] [stdout] 7af7d59b77514f845770a764fa773356bb60ea7ac74237d27015401a732b9203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22e20c72fe433c680e1dd42cca236855b8607d86b91d6def7e9006dc0bd6c800
[INFO] running `Command { std: "docker" "start" "-a" "22e20c72fe433c680e1dd42cca236855b8607d86b91d6def7e9006dc0bd6c800", kill_on_drop: false }`
[INFO] [stderr] warning: variant `ArgumentNotValid` is never constructed
[INFO] [stderr]  --> src/string_adder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum StringAddError {
[INFO] [stderr]   |      -------------- variant in this enum
[INFO] [stderr] 3 |     ArgumentNotValid(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `StringAddError` 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] 
[INFO] [stderr] warning: function `given_0x0F_0x0F_return_145709` should have a snake case name
[INFO] [stderr]    --> src/string_adder.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |         fn given_0x0F_0x0F_return_145709() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `given_0x0_f_0x0_f_return_145709`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcr_kata` (bin "tcr_kata" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcr_kata-5e3505bd898e5114)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_123456_123456_return_246912 ... ok
[INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_543210_543210_return_1086420 ... ok
[INFO] [stdout] test string_adder::string_adder_tests::hex_string_add_tests::given_67587_78122_return_145709 ... ok
[INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_5_5_return_10 ... ok
[INFO] [stdout] test string_calculator::string_calculator::add::given_negative_number_return_err ... ok
[INFO] [stdout] test string_calculator::string_calculator::add::given_list_of_numbers_return_sum ... ok
[INFO] [stdout] test string_calculator::string_calculator::add::given_newline_treat_it_as_whitespace ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test string_calculator::string_calculator::add::given_empty_string_return_0 ... ok
[INFO] [stdout] test string_calculator::string_calculator::add::given_number_greater_than_1000_ignore_it ... ok
[INFO] [stdout] test string_adder::string_adder_tests::hex_string_add_tests::given_12_12_return_24 ... ok
[INFO] [stdout] test string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709 ... FAILED
[INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_1_1_return_2 ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin tcr_kata`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709' panicked at src/string_adder.rs:37:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64c6f8926222 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64c6f8926222 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64c6f8926222 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64c6f8926222 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64c6f894b3c3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64c6f894b3c3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x64c6f8923403 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64c6f8923403 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64c6f8926072 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64c6f892779c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x64c6f89275f2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x64c6f88ef6c4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x64c6f88ef6c4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64c6f892827b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x64c6f892827b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x64c6f8927f4a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x64c6f8926729 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x64c6f8927bdd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x64c6f8949f40 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64c6f894a2b6 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x64c6f88b47d0 - core::result::Result<T,E>::unwrap::h922d5e5f59b08675
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x64c6f88b47d0 - tcr_kata::string_adder::hex_string_add::hb671ed760784056a
[INFO] [stdout]   22:     0x64c6f88b571c - tcr_kata::string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709::h9bee329dab573b65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/string_adder.rs:121:26
[INFO] [stdout]   23:     0x64c6f88b571c - tcr_kata::string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709::{{closure}}::h42deb96b99e8b293
[INFO] [stdout]                                at /opt/rustwide/workdir/src/string_adder.rs:120:43
[INFO] [stdout]   24:     0x64c6f88b571c - core::ops::function::FnOnce::call_once::hd900236956dc3bae
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x64c6f88f4e4b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x64c6f88f4e4b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x64c6f88f403e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x64c6f88f403e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x64c6f88f403e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x64c6f88f403e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x64c6f88f403e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x64c6f88f403e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x64c6f88f403e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x64c6f88b7bb4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x64c6f88b7bb4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x64c6f88bb58a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x64c6f88bb58a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x64c6f88bb58a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x64c6f88bb58a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x64c6f88bb58a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x64c6f88bb58a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x64c6f88bb58a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x64c6f892b1d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x64c6f892b1d7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x64c6f892b1d7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7f6724807aa4 - <unknown>
[INFO] [stdout]   47:     0x7f6724894a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22e20c72fe433c680e1dd42cca236855b8607d86b91d6def7e9006dc0bd6c800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e20c72fe433c680e1dd42cca236855b8607d86b91d6def7e9006dc0bd6c800", kill_on_drop: false }`
[INFO] [stdout] 22e20c72fe433c680e1dd42cca236855b8607d86b91d6def7e9006dc0bd6c800
