[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 master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakeec%2Ftcr_kata" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakeec/tcr_kata on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] b37ef3b9832e8cd23f39f019f7dde25c78396f5e4ab22c357372c21c19adda8d [INFO] running `"docker" "start" "-a" "b37ef3b9832e8cd23f39f019f7dde25c78396f5e4ab22c357372c21c19adda8d"` [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling thread_local v1.0.1 [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] [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 24.60s [INFO] running `"docker" "inspect" "b37ef3b9832e8cd23f39f019f7dde25c78396f5e4ab22c357372c21c19adda8d"` [INFO] running `"docker" "rm" "-f" "b37ef3b9832e8cd23f39f019f7dde25c78396f5e4ab22c357372c21c19adda8d"` [INFO] [stdout] b37ef3b9832e8cd23f39f019f7dde25c78396f5e4ab22c357372c21c19adda8d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 65b63050fc572f4e9ffcf9e7e98eb967ab7cc31fac2378c9a754e3f653c9a1af [INFO] running `"docker" "start" "-a" "65b63050fc572f4e9ffcf9e7e98eb967ab7cc31fac2378c9a754e3f653c9a1af"` [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 8.05s [INFO] running `"docker" "inspect" "65b63050fc572f4e9ffcf9e7e98eb967ab7cc31fac2378c9a754e3f653c9a1af"` [INFO] running `"docker" "rm" "-f" "65b63050fc572f4e9ffcf9e7e98eb967ab7cc31fac2378c9a754e3f653c9a1af"` [INFO] [stdout] 65b63050fc572f4e9ffcf9e7e98eb967ab7cc31fac2378c9a754e3f653c9a1af [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a4f4a87d1c64e0371b63a5eee7c2c72e1a9347f90066b91619973b45440c3358 [INFO] running `"docker" "start" "-a" "a4f4a87d1c64e0371b63a5eee7c2c72e1a9347f90066b91619973b45440c3358"` [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 0.14s [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::hex_string_add_tests::given_12_12_return_24 ... ok [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_67587_78122_return_145709 ... ok [INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_123456_123456_return_246912 ... 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_newline_treat_it_as_whitespace ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_negative_number_return_err ... ok [INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_5_5_return_10 ... ok [INFO] [stdout] test string_adder::string_adder_tests::string_add_tests::given_543210_543210_return_1086420 ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_empty_string_return_0 ... ok [INFO] [stdout] test string_calculator::string_calculator::add::given_list_of_numbers_return_sum ... 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] [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] 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: 0x5609ee61def4 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5609ee61def4 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5609ee61def4 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5609ee61def4 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5609ee646d4c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5609ee5d1b85 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5609ee618511 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x5609ee6207c5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x5609ee6207c5 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x5609ee6207c5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5609ee6204ab - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5609ee620e22 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x5609ee620a0b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x5609ee645771 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x5609ee645593 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x5609ee5cdaa1 - core::result::Result::unwrap::h86effd0a9c6fd594 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:1005 [INFO] [stdout] 16: 0x5609ee5c9b65 - tcr_kata::string_adder::hex_string_add::hbc5f4ce2225a9a97 [INFO] [stdout] at src/string_adder.rs:37 [INFO] [stdout] 17: 0x5609ee5ccec0 - 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: 0x5609ee5cce7a - tcr_kata::string_adder::string_adder_tests::hex_string_add_tests::given_0x0F_0x0F_return_145709::{{closure}}::hc3f96627742fa50c [INFO] [stdout] at src/string_adder.rs:120 [INFO] [stdout] 19: 0x5609ee5cb23e - core::ops::function::FnOnce::call_once::hf25155f262ed0a56 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 20: 0x5609ee5dda7f - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 21: 0x5609ee5f907e - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 22: 0x5609ee5f907e - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 23: 0x5609ee5f907e - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 24: 0x5609ee5f907e - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x5609ee5f907e - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 26: 0x5609ee5f907e - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 27: 0x5609ee5d1036 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 28: 0x5609ee5d6355 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 29: 0x5609ee5d6355 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 30: 0x5609ee5d6355 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 31: 0x5609ee5d6355 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 32: 0x5609ee5d6355 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5609ee5d6355 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 34: 0x5609ee5d6355 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 35: 0x5609ee61471f - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x5609ee627603 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 37: 0x5609ee627603 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 38: 0x7f95d14386db - start_thread [INFO] [stdout] 39: 0x7f95d0f4988f - __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] running `"docker" "inspect" "a4f4a87d1c64e0371b63a5eee7c2c72e1a9347f90066b91619973b45440c3358"` [INFO] running `"docker" "rm" "-f" "a4f4a87d1c64e0371b63a5eee7c2c72e1a9347f90066b91619973b45440c3358"` [INFO] [stdout] a4f4a87d1c64e0371b63a5eee7c2c72e1a9347f90066b91619973b45440c3358