[INFO] updating cached repository https://github.com/exercism/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] 5b6d04d24d5163bbc5faf647cc20195d0e4da887 [INFO] testing exercism/rust-analyzer against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%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/exercism/rust-analyzer 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/exercism/rust-analyzer [INFO] finished tweaking git repo https://github.com/exercism/rust-analyzer [INFO] tweaked toml for git repo https://github.com/exercism/rust-analyzer written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/exercism/rust-analyzer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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=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] [stdout] cbc2246dfed3e8e3ba329a3beabcf6b3bfdbd2b9a67d87c2f8a8c8e43f22566a [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" "cbc2246dfed3e8e3ba329a3beabcf6b3bfdbd2b9a67d87c2f8a8c8e43f22566a"` [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling libc v0.2.50 [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 rustc-demangle v0.1.13 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling backtrace v0.3.14 [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 v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `"docker" "inspect" "cbc2246dfed3e8e3ba329a3beabcf6b3bfdbd2b9a67d87c2f8a8c8e43f22566a"` [INFO] running `"docker" "rm" "-f" "cbc2246dfed3e8e3ba329a3beabcf6b3bfdbd2b9a67d87c2f8a8c8e43f22566a"` [INFO] [stdout] cbc2246dfed3e8e3ba329a3beabcf6b3bfdbd2b9a67d87c2f8a8c8e43f22566a [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=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] 1588444a633f449f53a58bcdb73d1cfc68f1f3db13bdd1429c71ac49a130281e [INFO] running `"docker" "start" "-a" "1588444a633f449f53a58bcdb73d1cfc68f1f3db13bdd1429c71ac49a130281e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rust-analyzer v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 15.44s [INFO] running `"docker" "inspect" "1588444a633f449f53a58bcdb73d1cfc68f1f3db13bdd1429c71ac49a130281e"` [INFO] running `"docker" "rm" "-f" "1588444a633f449f53a58bcdb73d1cfc68f1f3db13bdd1429c71ac49a130281e"` [INFO] [stdout] 1588444a633f449f53a58bcdb73d1cfc68f1f3db13bdd1429c71ac49a130281e [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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e87cdb1c1a24bff557660c015f6c0b5e5fb3f171c5a5a93f94d8c384f84e4e9a [INFO] running `"docker" "start" "-a" "e87cdb1c1a24bff557660c015f6c0b5e5fb3f171c5a5a93f94d8c384f84e4e9a"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_analyzer-67f2074aae165a7a [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test test::analyze_exercise_returns_error_for_the_invalid_solution_dir ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_remove_extern_crate_1 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_bonus_2 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_1 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_reverse_function_is_not_public ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_no_reverse_function_is_present ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_bonus_1 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_with_comment_suggest_remove_extern_crate_2 ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_reverse_function_does_not_return_string ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_disapprove_if_reverse_function_does_not_accept_str ... ok [INFO] [stdout] test analyzers::reverse_string::test::analyze_returns_approve_2 ... ok [INFO] [stdout] test test::analyze_exercise_returns_error_for_the_unknown_slug ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_analyzer-077089f674e1e68f [INFO] [stderr] Running /opt/rustwide/target/debug/deps/analyzer-a5d3657b310ef4e0 [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 8 tests [INFO] [stderr] thread '' panicked at 'attempted to leave type `nodrop::NoDrop<(epoch::Epoch, garbage::Bag)>` uninitialized, which is invalid', /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661:5 [INFO] [stdout] test reverse_string_analyzer_writes_json_approve_with_suggest_bonus_1 ... FAILED [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557bae67ecc4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x557bae67ecc4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x557bae67ecc4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x557bae67ecc4 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x557bae6a849c - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x557bae67b4b3 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x557bae681805 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x557bae681805 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] test reverse_string_analyzer_writes_json_approve_2 ... FAILED [INFO] [stderr] 8: 0x557bae681805 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x557bae681542 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x557bae681f35 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:515 [INFO] [stderr] 11: 0x557bae681a4b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x557bae6a6c11 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x557bae6a6b5d - core::panicking::panic::hbfb03ddd2cbb509e [INFO] [stderr] at src/libcore/panicking.rs:54 [INFO] [stderr] 14: 0x557bae667378 - core::mem::uninitialized::hc6d8c3cae3e8ffb4 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661 [INFO] [stderr] 15: 0x557bae667378 - crossbeam_epoch::sync::queue::Queue::new::h64143140ad6ca5fd [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/sync/queue.rs:57 [INFO] [stderr] 16: 0x557bae65eb4e - crossbeam_epoch::internal::Global::new::h76cbbdeb40f805dc [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/internal.rs:63 [INFO] [stderr] 17: 0x557bae669fa1 - crossbeam_epoch::collector::Collector::new::h930003db57b4a97d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/collector.rs:32 [INFO] [stderr] 18: 0x557bae662e4a - ::deref::__static_ref_initialize::h51d5ed9e89de3178 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:12 [INFO] [stderr] 19: 0x557bae662e4a - core::ops::function::FnOnce::call_once::hfc7610d6b9b7b660 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 20: 0x557bae669207 - lazy_static::lazy::Lazy::get::{{closure}}::he60bfa1206051d13 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28 [INFO] [stderr] 21: 0x557bae669385 - std::sync::once::Once::call_once::{{closure}}::h3fe44a79adfd5849 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264 [INFO] [stderr] 22: 0x557bae67e4e8 - std::sync::once::Once::call_inner::h645f0d07eb0a8066 [INFO] [stderr] at src/libstd/sync/once.rs:416 [INFO] [stderr] 23: 0x557bae669301 - std::sync::once::Once::call_once::h9a18f2f98d2f1cfa [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264 [INFO] [stderr] 24: 0x557bae66b689 - lazy_static::lazy::Lazy::get::h0a8aa7362e89f813 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stderr] 25: 0x557bae66b689 - ::deref::__stability::he2a71f48e07f9a96 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:138 [INFO] [stderr] 26: 0x557bae66b689 - ::deref::h185c5c024abd5b5f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/lib.rs:140 [INFO] [stderr] 27: 0x557bae66b704 - crossbeam_epoch::default::HANDLE::__init::h7e6820ff10a7e155 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:17 [INFO] [stderr] 28: 0x557bae662dd9 - core::ops::function::FnOnce::call_once::h30c2e3c596ee4fe4 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 29: 0x557bae6623ac - std::thread::local::lazy::LazyKeyInner::initialize::hc33309c7657a5bb3 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:289 [INFO] [stderr] 30: 0x557bae66b052 - std::thread::local::fast::Key::try_initialize::h819b24b83af09d03 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:425 [INFO] [stderr] 31: 0x557bae66b1a7 - std::thread::local::fast::Key::get::h3afa49b9dfbf76be [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:410 [INFO] [stderr] 32: 0x557bae66b74d - crossbeam_epoch::default::HANDLE::__getit::h6c815d053bc958b6 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:175 [INFO] [stderr] 33: 0x557bae641838 - std::thread::local::LocalKey::try_with::haf66ea4b1506e945 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:262 [INFO] [stderr] 34: 0x557bae6413ef - std::thread::local::LocalKey::with::ha10f91500ba0ba23 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:239 [INFO] [stderr] 35: 0x557bae652fce - crossbeam_epoch::default::is_pinned::h92a6d0d0aae1f461 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:33 [INFO] [stderr] 36: 0x557bae64e6d5 - crossbeam_deque::Stealer::steal::he41cafa59dce3449 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.2.0/src/lib.rs:714 [INFO] [stderr] 37: 0x557bae63bcf3 - rayon_core::registry::WorkerThread::steal::{{closure}}::h55a7c82d6cdaaa01 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:614 [INFO] [stderr] 38: 0x557bae6392db - core::ops::function::impls:: for &mut F>::call_mut::h1beb5d32cfad2137 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:274 [INFO] [stderr] 39: 0x557bae64bfb1 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h99ba04b2c0095073 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:2239 [INFO] [stderr] 40: 0x557bae643eb5 - core::iter::adapters::filter_try_fold::{{closure}}::h9a5472256842e806 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:935 [INFO] [stderr] 41: 0x557bae6435cc - core::ops::function::impls:: for &mut F>::call_mut::h4541f3c9b26ce57e [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:274 [INFO] [stdout] test reverse_string_analyzer_writes_json_approve_1 ... FAILED [INFO] [stderr] 42: 0x557bae657874 - core::iter::traits::iterator::Iterator::try_fold::h91379d2d225b7949 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:1878 [INFO] [stderr] 43: 0x557bae6419c3 - as core::iter::traits::iterator::Iterator>::try_fold::h50b928cf342bd180 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/chain.rs:83 [INFO] [stderr] 44: 0x557bae643036 - as core::iter::traits::iterator::Iterator>::try_fold::h08442c15dcfc4f76 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:984 [INFO] [stderr] 45: 0x557bae643bb1 - core::iter::traits::iterator::Iterator::find_map::h685f26ed46584d81 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:2245 [INFO] [stderr] 46: 0x557bae6430a6 - as core::iter::traits::iterator::Iterator>::next::h842209003966e576 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:1084 [INFO] [stderr] 47: 0x557bae63bc2b - rayon_core::registry::WorkerThread::steal::h2d4733ed96415a3c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:608 [INFO] [stderr] 48: 0x557bae63b922 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::h7e905d287bbae0a4 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:565 [INFO] [stderr] 49: 0x557bae655a5f - core::option::Option::or_else::h2da4009a4df8b05e [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/option.rs:766 [INFO] [stderr] 50: 0x557bae63b61e - rayon_core::registry::WorkerThread::wait_until_cold::h74e21e2a08671aa2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:564 [INFO] [stderr] 51: 0x557bae63b033 - rayon_core::registry::WorkerThread::wait_until::h7098a99e4da985b1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:544 [INFO] [stderr] 52: 0x557bae63c1cb - rayon_core::registry::main_loop::ha1d4d5aeba799713 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:666 [INFO] [stderr] 53: 0x557bae63a5bd - rayon_core::registry::Registry::new::{{closure}}::h55313cac047fbacd [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:135 [INFO] [stderr] 54: 0x557bae653171 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2332c3eff8119f5f [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130 [INFO] [stderr] 55: 0x557bae649de2 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hc4029753a759c10c [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475 [INFO] [stderr] 56: 0x557bae649152 - as core::ops::function::FnOnce<()>>::call_once::h18e4539ab484ad76 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318 [INFO] [stderr] 57: 0x557bae6566cc - std::panicking::try::do_call::hc4c1dbbc31631016 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331 [INFO] [stderr] 58: 0x557bae6580dd - __rust_try [INFO] [stderr] 59: 0x557bae6564c3 - std::panicking::try::h6a39236d29634851 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274 [INFO] [stderr] 60: 0x557bae649332 - std::panic::catch_unwind::h0e8d007f4a87e14c [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394 [INFO] [stderr] 61: 0x557bae649bd1 - std::thread::Builder::spawn_unchecked::{{closure}}::hf60bc392e4be0609 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474 [INFO] [stderr] 62: 0x557bae649e9f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h18280f7acaa58331 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232 [INFO] [stderr] 63: 0x557bae67422f - as core::ops::function::FnOnce>::call_once::h7deaeeba480c6ce2 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 64: 0x557bae688b23 - as core::ops::function::FnOnce>::call_once::h968b1dfb87756523 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008 [INFO] [stderr] 65: 0x557bae688b23 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 66: 0x7f0bb93ab6db - start_thread [INFO] [stderr] 67: 0x7f0bb8ebc88f - __clone [INFO] [stderr] 68: 0x0 - [INFO] [stdout] test reverse_string_analyzer_writes_json_approve_with_suggest_bonus_2 ... FAILED [INFO] [stdout] test reverse_string_analyzer_writes_json_approve_with_suggest_removing_extern_crate_comment_2 ... FAILED [INFO] [stdout] test reverse_string_analyzer_writes_json_disapprove_with_solution_not_found ... FAILED [INFO] [stdout] test reverse_string_analyzer_writes_json_approve_with_suggest_removing_extern_crate_comment_1 ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--test analyzer' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/analyzer-a5d3657b310ef4e0` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `"docker" "inspect" "e87cdb1c1a24bff557660c015f6c0b5e5fb3f171c5a5a93f94d8c384f84e4e9a"` [INFO] running `"docker" "rm" "-f" "e87cdb1c1a24bff557660c015f6c0b5e5fb3f171c5a5a93f94d8c384f84e4e9a"` [INFO] [stdout] e87cdb1c1a24bff557660c015f6c0b5e5fb3f171c5a5a93f94d8c384f84e4e9a