[INFO] fetching crate keylist 0.2.0... [INFO] testing keylist-0.2.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate keylist 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate keylist 0.2.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate keylist 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate keylist 0.2.0 [INFO] tweaked toml for crates.io crate keylist 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate keylist 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.53 [INFO] [stderr] Downloaded serde_test v1.0.110 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35202a93847212c4037ab360249dac6854338a3e2dfa7a43a8c922498295ed9f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "35202a93847212c4037ab360249dac6854338a3e2dfa7a43a8c922498295ed9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35202a93847212c4037ab360249dac6854338a3e2dfa7a43a8c922498295ed9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35202a93847212c4037ab360249dac6854338a3e2dfa7a43a8c922498295ed9f", kill_on_drop: false }` [INFO] [stdout] 35202a93847212c4037ab360249dac6854338a3e2dfa7a43a8c922498295ed9f [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5610a8c2991e9f4c7873b87c17b56577113c19f4434939f6c655003ed88b2502 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5610a8c2991e9f4c7873b87c17b56577113c19f4434939f6c655003ed88b2502", kill_on_drop: false }` [INFO] [stderr] Compiling keylist v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "5610a8c2991e9f4c7873b87c17b56577113c19f4434939f6c655003ed88b2502", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5610a8c2991e9f4c7873b87c17b56577113c19f4434939f6c655003ed88b2502", kill_on_drop: false }` [INFO] [stdout] 5610a8c2991e9f4c7873b87c17b56577113c19f4434939f6c655003ed88b2502 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2246e2591878960d2c860c808387b44b299e0631ff2a19e1e9843d984bb42af [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c2246e2591878960d2c860c808387b44b299e0631ff2a19e1e9843d984bb42af", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling serde_test v1.0.110 [INFO] [stderr] Compiling keylist v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 9.64s [INFO] running `Command { std: "docker" "inspect" "c2246e2591878960d2c860c808387b44b299e0631ff2a19e1e9843d984bb42af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2246e2591878960d2c860c808387b44b299e0631ff2a19e1e9843d984bb42af", kill_on_drop: false }` [INFO] [stdout] c2246e2591878960d2c860c808387b44b299e0631ff2a19e1e9843d984bb42af [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f46ab5b18db72a7f39688928b282abb000877af9bd6724701c3f404ee341cbb9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f46ab5b18db72a7f39688928b282abb000877af9bd6724701c3f404ee341cbb9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/keylist-60bd333d42dafcec [INFO] [stdout] running 30 tests [INFO] [stdout] test hash_keylist::tests::extend ... ok [INFO] [stdout] test hash_keylist::tests::get ... ok [INFO] [stdout] test hash_keylist::tests::from ... ok [INFO] [stdout] test hash_keylist::tests::insert_2 ... ok [INFO] [stdout] test hash_keylist::tests::get_all ... ok [INFO] [stdout] test hash_keylist::tests::get_all_key_value ... ok [INFO] [stdout] test hash_keylist::tests::is_empty ... ok [INFO] [stdout] test hash_keylist::tests::iter ... ok [INFO] [stdout] test hash_keylist::tests::into_iter ... ok [INFO] [stdout] test hash_keylist::tests::insert ... ok [INFO] [stdout] test hash_keylist::tests::get_mut ... ok [INFO] [stdout] test hash_keylist::tests::len ... ok [INFO] [stdout] test hash_keylist::tests::remove_index ... ok [INFO] [stdout] test hash_keylist::tests::remove_first ... ok [INFO] [stdout] test hash_keylist::tests::keys ... ok [INFO] [stdout] test hash_keylist::tests::pop ... ok [INFO] [stdout] test hash_keylist::tests::multi ... ok [INFO] [stdout] test hash_keylist::tests::sort_by_key ... ok [INFO] [stdout] test hash_keylist::tests::values_mut ... ok [INFO] [stdout] test hash_keylist::tests::values ... ok [INFO] [stdout] test hash_keylist::tests::push ... ok [INFO] [stdout] test hash_keylist::tests::sort ... ok [INFO] [stdout] test vec_keylist::tests::get_all ... ok [INFO] [stdout] test vec_keylist::tests::into_iter ... ok [INFO] [stdout] test vec_keylist::tests::into_swapped ... ok [INFO] [stdout] test vec_keylist::tests::get_sorted ... ok [INFO] [stdout] test vec_keylist::tests::get ... ok [INFO] [stdout] test vec_keylist::tests::from_into_iterator ... ok [INFO] [stdout] test vec_keylist::tests::sort ... ok [INFO] [stdout] test hash_keylist::tests::remove_empty ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- hash_keylist::tests::remove_empty stdout ---- [INFO] [stdout] thread 'hash_keylist::tests::remove_empty' panicked at 'removal index (is 0) should be < len (is 0)', library/alloc/src/vec.rs:1066:13 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560ecbad9680 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stdout] 1: 0x560ecbad9680 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x560ecbad9680 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x560ecbad9680 - ::fmt::he009dcaaa75eed60 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x560ecbafca9c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x560ecba83446 - std::io::Write::write_fmt::h3a40d9c04f88bb58 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stdout] 6: 0x560ecbad397d - std::io::impls::>::write_fmt::h1b3d263673641f53 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/impls.rs:179:9 [INFO] [stdout] 7: 0x560ecbadbd55 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 8: 0x560ecbadbd55 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 9: 0x560ecbadbd55 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stdout] 10: 0x560ecbadb9a2 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:224:9 [INFO] [stdout] 11: 0x560ecbadc4f1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stdout] 12: 0x560ecbadc037 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stdout] 13: 0x560ecbad9b3c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 14: 0x560ecbadbf99 - rust_begin_unwind [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stdout] 15: 0x560ecbafb151 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stdout] 16: 0x560ecbaf70e6 - alloc::vec::Vec::remove::assert_failed::hf0bc1400baa67a4a [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:1066:13 [INFO] [stdout] 17: 0x560ecba2455f - alloc::vec::Vec::remove::h3685c3caa423b12e [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/vec.rs:1071:13 [INFO] [stdout] 18: 0x560ecba765b9 - keylist::hash_keylist::HashKeylist::remove::h2f717fa121d3a1c4 [INFO] [stdout] at /opt/rustwide/workdir/src/hash_keylist.rs:131:19 [INFO] [stdout] 19: 0x560ecba525f8 - keylist::hash_keylist::tests::remove_empty::hf0ce9d13aada0e0c [INFO] [stdout] at /opt/rustwide/workdir/src/hash_keylist.rs:609:9 [INFO] [stdout] 20: 0x560ecba525ca - keylist::hash_keylist::tests::remove_empty::{{closure}}::h2d8ad80449fd1e7b [INFO] [stdout] at /opt/rustwide/workdir/src/hash_keylist.rs:607:5 [INFO] [stdout] 21: 0x560ecba3a3ee - core::ops::function::FnOnce::call_once::hdea0fbcc1b7b5960 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x560ecbaaaf93 - core::ops::function::FnOnce::call_once::hdbd2235b6243db3d [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 23: 0x560ecbaaaf93 - test::__rust_begin_short_backtrace::hb1dea1c208110812 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:517:5 [INFO] [stdout] 24: 0x560ecbaa943a - as core::ops::function::FnOnce>::call_once::h5d11a40efef721f2 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9 [INFO] [stdout] 25: 0x560ecbaa943a - as core::ops::function::FnOnce<()>>::call_once::h23961df98af0bc5a [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:322:9 [INFO] [stdout] 26: 0x560ecbaa943a - std::panicking::try::do_call::h6390646e3de3fb9e [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 27: 0x560ecbaa943a - std::panicking::try::hc531439ab6159192 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 28: 0x560ecbaa943a - std::panic::catch_unwind::h859d8bdaf9b4855c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 29: 0x560ecbaa943a - test::run_test_in_process::hae60aa74417e3abc [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:544:18 [INFO] [stdout] 30: 0x560ecbaa943a - test::run_test::run_test_inner::{{closure}}::hf48c86652c4a151d [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:450:39 [INFO] [stdout] 31: 0x560ecba827c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb82b392232b8bd1f [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 32: 0x560ecba877c3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h79ca9e9abe157956 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 33: 0x560ecba877c3 - as core::ops::function::FnOnce<()>>::call_once::ha12f1f228780a4f7 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:322:9 [INFO] [stdout] 34: 0x560ecba877c3 - std::panicking::try::do_call::h722bb7416d021cdc [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 35: 0x560ecba877c3 - std::panicking::try::h78e5abca71ac7cac [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 36: 0x560ecba877c3 - std::panic::catch_unwind::h95162588bd0fa090 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 37: 0x560ecba877c3 - std::thread::Builder::spawn_unchecked::{{closure}}::h64da5c4b9acc58dc [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 38: 0x560ecba877c3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7a8c588ad0b69edb [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 39: 0x560ecbae291a - as core::ops::function::FnOnce>::call_once::h09ff301006f1aeca [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9 [INFO] [stdout] 40: 0x560ecbae291a - as core::ops::function::FnOnce>::call_once::he79488c8f00b5f31 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9 [INFO] [stdout] 41: 0x560ecbae291a - std::sys::unix::thread::Thread::new::thread_start::h587efff279c68ba7 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 42: 0x7fe63146a609 - start_thread [INFO] [stdout] 43: 0x7fe63123c293 - clone [INFO] [stdout] 44: 0x0 - [INFO] [stdout] note: panic did not contain expected string [INFO] [stdout] panic message: `"removal index (is 0) should be < len (is 0)"`, [INFO] [stdout] expected substring: `"assertion failed: index < len"` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] hash_keylist::tests::remove_empty [INFO] [stdout] [INFO] [stdout] test result: FAILED. 29 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "f46ab5b18db72a7f39688928b282abb000877af9bd6724701c3f404ee341cbb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f46ab5b18db72a7f39688928b282abb000877af9bd6724701c3f404ee341cbb9", kill_on_drop: false }` [INFO] [stdout] f46ab5b18db72a7f39688928b282abb000877af9bd6724701c3f404ee341cbb9