[INFO] updating cached repository https://github.com/ZapAnton/rust-analyzer [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] 182a8b8fbbee0a52b3c47ff7c6fa1f08f7586d5b [INFO] testing ZapAnton/rust-analyzer against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZapAnton%2Frust-analyzer" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZapAnton/rust-analyzer on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ZapAnton/rust-analyzer [INFO] finished tweaking git repo https://github.com/ZapAnton/rust-analyzer [INFO] tweaked toml for git repo https://github.com/ZapAnton/rust-analyzer written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ZapAnton/rust-analyzer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "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] ba9ad1a0cea3062d4c70b0df86580faa1a60523c0ee4b660ed3c44eceeead09d [INFO] running `"docker" "start" "-a" "ba9ad1a0cea3062d4c70b0df86580faa1a60523c0ee4b660ed3c44eceeead09d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling rust-analyzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.76s [INFO] running `"docker" "inspect" "ba9ad1a0cea3062d4c70b0df86580faa1a60523c0ee4b660ed3c44eceeead09d"` [INFO] running `"docker" "rm" "-f" "ba9ad1a0cea3062d4c70b0df86580faa1a60523c0ee4b660ed3c44eceeead09d"` [INFO] [stdout] ba9ad1a0cea3062d4c70b0df86580faa1a60523c0ee4b660ed3c44eceeead09d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "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] 85764d42d61e287b62cf4ec460dab0f40b2dbe5587ec630c3e7440ad8afb6549 [INFO] running `"docker" "start" "-a" "85764d42d61e287b62cf4ec460dab0f40b2dbe5587ec630c3e7440ad8afb6549"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rust-analyzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `"docker" "inspect" "85764d42d61e287b62cf4ec460dab0f40b2dbe5587ec630c3e7440ad8afb6549"` [INFO] running `"docker" "rm" "-f" "85764d42d61e287b62cf4ec460dab0f40b2dbe5587ec630c3e7440ad8afb6549"` [INFO] [stdout] 85764d42d61e287b62cf4ec460dab0f40b2dbe5587ec630c3e7440ad8afb6549 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "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] fc7f88b3513687ba1e449a5845be8662fe4499e5d2616fc2a6889b9e90886ec9 [INFO] running `"docker" "start" "-a" "fc7f88b3513687ba1e449a5845be8662fe4499e5d2616fc2a6889b9e90886ec9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_analyzer-1ab4cecb70192482 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test::analyze_exercise_returns_error_for_the_invalid_solution_dir ... ok [INFO] [stdout] test test::analyze_exercise_returns_error_for_the_unknown_slug ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_as_optimal_2 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_2 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_1 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_as_optimal_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_analyzer-8e9ec1adef9791bb [INFO] [stderr] Running /opt/rustwide/target/debug/deps/analyzer-b811982ef85d0739 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test reverse_string_analyzer_writes_json_optimal_1 ... FAILED [INFO] [stdout] test reverse_string_analyzer_writes_json_optimal_2 ... FAILED [INFO] [stdout] test reverse_string_analyzer_writes_json_optimal_with_comment_1 ... FAILED [INFO] [stdout] test reverse_string_analyzer_writes_json_optimal_with_comment_2 ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- reverse_string_analyzer_writes_json_optimal_1 stdout ---- [INFO] [stdout] thread 'reverse_string_analyzer_writes_json_optimal_1' panicked at 'assertion failed: analyze_exercise(REVERSE_STRING_SLUG, &solution_dir).is_ok()', tests/analyzer.rs:34:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561443195194 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561443195194 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561443195194 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561443195194 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5614431be5ac - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x561442f88145 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x56144318f001 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x561443197cc5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x561443197cc5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x561443197cc5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5614431979ab - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5614431983f5 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x561442ff1bf1 - std::panicking::begin_panic::h5dd1fc2a9d56b827 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x561442f81d1f - analyzer::reverse_string_analyzer_writes_json_optimal_1::hf20f84054d786941 [INFO] [stdout] at tests/analyzer.rs:34 [INFO] [stdout] 14: 0x561442f81b0a - analyzer::reverse_string_analyzer_writes_json_optimal_1::{{closure}}::h2f0f0047e126ed09 [INFO] [stdout] at tests/analyzer.rs:32 [INFO] [stdout] 15: 0x561442f8455e - core::ops::function::FnOnce::call_once::h42ae56a6254f18c7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x561442faf5d6 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x561442faf5d6 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x561442faf5d6 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x561442faf5d6 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x561442faf5d6 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561442faf5d6 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x561442faf5d6 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x561442f875f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x561442f8c985 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x561442f8c985 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x561442f8c985 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x561442f8c985 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x561442f8c985 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x56144319ec0a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f6ca5bfe609 - start_thread [INFO] [stdout] 35: 0x7f6ca5e89103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- reverse_string_analyzer_writes_json_optimal_2 stdout ---- [INFO] [stdout] thread 'reverse_string_analyzer_writes_json_optimal_2' panicked at 'assertion failed: analyze_exercise(REVERSE_STRING_SLUG, &solution_dir).is_ok()', tests/analyzer.rs:44:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561443195194 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561443195194 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561443195194 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561443195194 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5614431be5ac - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x561442f88145 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x56144318f001 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x561443197cc5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x561443197cc5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x561443197cc5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5614431979ab - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5614431983f5 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x561442ff1bf1 - std::panicking::begin_panic::h5dd1fc2a9d56b827 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x561442f8204f - analyzer::reverse_string_analyzer_writes_json_optimal_2::he12a92250f70ea67 [INFO] [stdout] at tests/analyzer.rs:44 [INFO] [stdout] 14: 0x561442f81e3a - analyzer::reverse_string_analyzer_writes_json_optimal_2::{{closure}}::he9f1f7f641a41410 [INFO] [stdout] at tests/analyzer.rs:42 [INFO] [stdout] 15: 0x561442f845be - core::ops::function::FnOnce::call_once::hd15f66697bfa2784 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x561442faf5d6 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x561442faf5d6 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x561442faf5d6 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x561442faf5d6 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x561442faf5d6 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561442faf5d6 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x561442faf5d6 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x561442f875f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x561442f8c985 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x561442f8c985 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x561442f8c985 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x561442f8c985 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x561442f8c985 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x56144319ec0a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f6ca5bfe609 - start_thread [INFO] [stdout] 35: 0x7f6ca5e89103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- reverse_string_analyzer_writes_json_optimal_with_comment_1 stdout ---- [INFO] [stdout] thread 'reverse_string_analyzer_writes_json_optimal_with_comment_1' panicked at 'assertion failed: analyze_exercise(REVERSE_STRING_SLUG, &solution_dir).is_ok()', tests/analyzer.rs:54:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561443195194 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561443195194 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561443195194 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561443195194 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5614431be5ac - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x561442f88145 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x56144318f001 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x561443197cc5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x561443197cc5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x561443197cc5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5614431979ab - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5614431983f5 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x561442ff1bf1 - std::panicking::begin_panic::h5dd1fc2a9d56b827 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x561442f8237f - analyzer::reverse_string_analyzer_writes_json_optimal_with_comment_1::h54660e3d343b99e1 [INFO] [stdout] at tests/analyzer.rs:54 [INFO] [stdout] 14: 0x561442f8216a - analyzer::reverse_string_analyzer_writes_json_optimal_with_comment_1::{{closure}}::hd234bb21d0f009dc [INFO] [stdout] at tests/analyzer.rs:52 [INFO] [stdout] 15: 0x561442f8458e - core::ops::function::FnOnce::call_once::h7abb00acef61514d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x561442faf5d6 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x561442faf5d6 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x561442faf5d6 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x561442faf5d6 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x561442faf5d6 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561442faf5d6 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x561442faf5d6 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x561442f875f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x561442f8c985 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x561442f8c985 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x561442f8c985 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x561442f8c985 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x561442f8c985 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x56144319ec0a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f6ca5bfe609 - start_thread [INFO] [stdout] 35: 0x7f6ca5e89103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- reverse_string_analyzer_writes_json_optimal_with_comment_2 stdout ---- [INFO] [stdout] thread 'reverse_string_analyzer_writes_json_optimal_with_comment_2' panicked at 'assertion failed: analyze_exercise(REVERSE_STRING_SLUG, &solution_dir).is_ok()', tests/analyzer.rs:67:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561443195194 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561443195194 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561443195194 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561443195194 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5614431be5ac - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x561442f88145 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x56144318f001 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x561443197cc5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x561443197cc5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x561443197cc5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5614431979ab - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5614431983f5 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:515 [INFO] [stdout] 12: 0x561442ff1bf1 - std::panicking::begin_panic::h5dd1fc2a9d56b827 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stdout] 13: 0x561442f8272f - analyzer::reverse_string_analyzer_writes_json_optimal_with_comment_2::hcf7cacc7c9690c5f [INFO] [stdout] at tests/analyzer.rs:67 [INFO] [stdout] 14: 0x561442f8251a - analyzer::reverse_string_analyzer_writes_json_optimal_with_comment_2::{{closure}}::h06e419ce86184472 [INFO] [stdout] at tests/analyzer.rs:65 [INFO] [stdout] 15: 0x561442f8462e - core::ops::function::FnOnce::call_once::hdf988558a901dfdd [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 16: 0x561442faf5d6 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 17: 0x561442faf5d6 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 18: 0x561442faf5d6 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x561442faf5d6 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x561442faf5d6 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x561442faf5d6 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 22: 0x561442faf5d6 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 23: 0x561442f875f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 24: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 25: 0x561442f8c985 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 26: 0x561442f8c985 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 27: 0x561442f8c985 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 28: 0x561442f8c985 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x561442f8c985 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 30: 0x561442f8c985 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 31: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 32: 0x56144319ec0a - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 33: 0x56144319ec0a - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 34: 0x7f6ca5bfe609 - start_thread [INFO] [stdout] 35: 0x7f6ca5e89103 - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] reverse_string_analyzer_writes_json_optimal_1 [INFO] [stdout] reverse_string_analyzer_writes_json_optimal_2 [INFO] [stdout] reverse_string_analyzer_writes_json_optimal_with_comment_1 [INFO] [stdout] reverse_string_analyzer_writes_json_optimal_with_comment_2 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test analyzer' [INFO] running `"docker" "inspect" "fc7f88b3513687ba1e449a5845be8662fe4499e5d2616fc2a6889b9e90886ec9"` [INFO] running `"docker" "rm" "-f" "fc7f88b3513687ba1e449a5845be8662fe4499e5d2616fc2a6889b9e90886ec9"` [INFO] [stdout] fc7f88b3513687ba1e449a5845be8662fe4499e5d2616fc2a6889b9e90886ec9