[INFO] updating cached repository https://github.com/jakeec/tcr_kata [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0226bbd8d043eb31f2922ea2135167cd45ee9e66 [INFO] testing jakeec/tcr_kata against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Ftcr_kata" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakeec/tcr_kata on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [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-6/source/Cargo.toml [INFO] crate git repo https://github.com/jakeec/tcr_kata already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cae3582942291a7e896776f0726a06d361de9031d79be7a6c4037d19c827c882 [INFO] running `"docker" "start" "-a" "cae3582942291a7e896776f0726a06d361de9031d79be7a6c4037d19c827c882"` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling aho-corasick v0.7.7 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling tcr_kata v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `ArgumentNotValid` [INFO] [stderr] --> src/string_adder.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | ArgumentNotValid(String), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `string_add` [INFO] [stderr] --> src/string_adder.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn string_add(a: &str, b: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hex_string_add` [INFO] [stderr] --> src/string_adder.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn hex_string_add(a: &str, b: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.81s [INFO] running `"docker" "inspect" "cae3582942291a7e896776f0726a06d361de9031d79be7a6c4037d19c827c882"` [INFO] running `"docker" "rm" "-f" "cae3582942291a7e896776f0726a06d361de9031d79be7a6c4037d19c827c882"` [INFO] [stdout] cae3582942291a7e896776f0726a06d361de9031d79be7a6c4037d19c827c882 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dff832fe5ba45ab64174c53516f667a780faf2ad84d4ab52c0245d2471b812ac [INFO] running `"docker" "start" "-a" "dff832fe5ba45ab64174c53516f667a780faf2ad84d4ab52c0245d2471b812ac"` [INFO] [stderr] Compiling tcr_kata v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `ArgumentNotValid` [INFO] [stderr] --> src/string_adder.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | ArgumentNotValid(String), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.32s [INFO] running `"docker" "inspect" "dff832fe5ba45ab64174c53516f667a780faf2ad84d4ab52c0245d2471b812ac"` [INFO] running `"docker" "rm" "-f" "dff832fe5ba45ab64174c53516f667a780faf2ad84d4ab52c0245d2471b812ac"` [INFO] [stdout] dff832fe5ba45ab64174c53516f667a780faf2ad84d4ab52c0245d2471b812ac [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stdout] dc30061e0a77ae468b50e77f6bdc117c8857823fe68ea7b26baa40c3b313cdb9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "dc30061e0a77ae468b50e77f6bdc117c8857823fe68ea7b26baa40c3b313cdb9"` [INFO] [stderr] warning: variant is never constructed: `ArgumentNotValid` [INFO] [stderr] --> src/string_adder.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | ArgumentNotValid(String), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tcr_kata-b26c61fb2acddf53 [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_1_1_return_2 ... 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::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_list_of_numbers_return_sum ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_newline_treat_it_as_whitespace ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_number_greater_than_1000_ignore_it ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_empty_string_return_0 ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_negative_number_return_err ... ok [INFO] [stdout] test tests::test ... ok [INFO] [stdout] test string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709 ... FAILED [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] thread 'string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709' panicked at 'called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }', src/string_adder.rs:37:22 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561daff25ef4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561daff25ef4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561daff25ef4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561daff25ef4 - ::fmt::h7729313ad2d729c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x561daff4ed4c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x561dafed9b85 - std::io::Write::write_fmt::h5d052af13df32ea6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x561daff20511 - std::io::impls::>::write_fmt::h8fe8a9bdc421b4b6 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x561daff287c5 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x561daff287c5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x561daff287c5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x561daff284ab - std::panicking::default_hook::h9386f7e484840463 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x561daff28e22 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x561daff28a0b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x561daff4d771 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x561daff4d593 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x561dafed5b01 - core::result::Result::unwrap::hfdd55027f5dc9dbe [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x561dafed1b65 - tcr_kata::string_adder::hex_string_add::h635de71b4b7a9cf9 [INFO] [stdout] at src/string_adder.rs:37 [INFO] [stdout] 17: 0x561dafed4ec0 - tcr_kata::string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709::h523d48d380cc9122 [INFO] [stdout] at src/string_adder.rs:121 [INFO] [stdout] 18: 0x561dafed4e7a - tcr_kata::string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709::{{closure}}::h41ef6c915af1bdb2 [INFO] [stdout] at src/string_adder.rs:120 [INFO] [stdout] 19: 0x561dafed323e - core::ops::function::FnOnce::call_once::hedd9fd5f5cade2d9 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x561dafee5a7f - as core::ops::function::FnOnce>::call_once::h1f6ee40732e80908 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 21: 0x561daff0107e - as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x561daff0107e - std::panicking::try::do_call::hee6f5a4bef67c840 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 23: 0x561daff0107e - std::panicking::try::h3384d3b948e84dbc [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x561daff0107e - std::panic::catch_unwind::h5ae91218e578066d [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x561daff0107e - test::run_test_in_process::he37a49587889b910 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x561daff0107e - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x561dafed9036 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x561dafede3c5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x561dafede3c5 - as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x561dafede3c5 - std::panicking::try::do_call::hb29b86f86d4d722e [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stdout] 31: 0x561dafede3c5 - std::panicking::try::h4bfefb3eddc0d900 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x561dafede3c5 - std::panic::catch_unwind::h774c24d4b38d5828 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x561dafede3c5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x561dafede3c5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x561daff1c71f - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x561daff2f603 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stdout] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stdout] 37: 0x561daff2f603 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7fea17b246db - start_thread [INFO] [stdout] 39: 0x7fea1763588f - __clone [INFO] [stdout] 40: 0x0 - [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin tcr_kata' [INFO] running `"docker" "inspect" "dc30061e0a77ae468b50e77f6bdc117c8857823fe68ea7b26baa40c3b313cdb9"` [INFO] running `"docker" "rm" "-f" "dc30061e0a77ae468b50e77f6bdc117c8857823fe68ea7b26baa40c3b313cdb9"` [INFO] [stdout] dc30061e0a77ae468b50e77f6bdc117c8857823fe68ea7b26baa40c3b313cdb9