[INFO] fetching crate bitcoinleveldb-skiplist 0.1.16-alpha.0...
[INFO] testing bitcoinleveldb-skiplist-0.1.16-alpha.0 against master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417
[INFO] extracting crate bitcoinleveldb-skiplist 0.1.16-alpha.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0 on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8024bb10cadf9fc8788b47cf4c186a2ce067353b0ac63e7dcea6e01f3ece9d89
[INFO] running `Command { std: "docker" "start" "-a" "8024bb10cadf9fc8788b47cf4c186a2ce067353b0ac63e7dcea6e01f3ece9d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8024bb10cadf9fc8788b47cf4c186a2ce067353b0ac63e7dcea6e01f3ece9d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8024bb10cadf9fc8788b47cf4c186a2ce067353b0ac63e7dcea6e01f3ece9d89", kill_on_drop: false }`
[INFO] [stdout] 8024bb10cadf9fc8788b47cf4c186a2ce067353b0ac63e7dcea6e01f3ece9d89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d906bc1417e59a139ac14ca7e1110a6aac8e311fc92d3cf8e23dae4a51168ec7
[INFO] running `Command { std: "docker" "start" "-a" "d906bc1417e59a139ac14ca7e1110a6aac8e311fc92d3cf8e23dae4a51168ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling libloading v0.8.2
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling home v0.5.9
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[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
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[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling sqlite3-src v0.2.12
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling qttypes v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling byteorder v1.5.0
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[INFO] [stderr]    Compiling phf_shared v0.10.0
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[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling qt_macros v0.1.1
[INFO] [stderr]    Compiling cpp v0.5.9
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[INFO] [stderr]    Compiling cpp_core v0.6.0
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.57
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[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling qmetaobject_impl v0.2.10
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling num-complex v0.4.5
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[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling poison v0.1.0
[INFO] [stderr]    Compiling shared-mutex v0.3.1
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling ritual_common v0.4.0
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling serde-big-array v0.4.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling sqlite3 v0.24.0
[INFO] [stderr]    Compiling sqlite v0.25.3
[INFO] [stderr]    Compiling try-catch v0.2.2
[INFO] [stderr]    Compiling qt_ritual_common v0.4.0
[INFO] [stderr]    Compiling ritual_build v0.4.0
[INFO] [stderr]    Compiling libevent-sys v0.2.6
[INFO] [stderr]    Compiling delegate v0.7.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling qt_ritual_build v0.5.0
[INFO] [stderr]    Compiling pnet_sys v0.31.0
[INFO] [stderr]    Compiling qt_core v0.5.0
[INFO] [stderr]    Compiling qt_gui v0.5.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stderr]    Compiling time-point v0.1.1
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling bitset v0.1.2
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling atomic-take v1.1.0
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr] error: failed to run custom build command for `qt_core v0.5.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/qt_core-65a84d7510490239/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Current Qt version (5.15.3) is unknown to qt_core crate. Using closest known version (5.14.0)
[INFO] [stderr]   -- The C compiler identification is GNU 11.4.0
[INFO] [stderr]   -- The CXX compiler identification is GNU 11.4.0
[INFO] [stderr]   -- Detecting C compiler ABI info
[INFO] [stderr]   -- Detecting C compiler ABI info - done
[INFO] [stderr]   -- Check for working C compiler: /usr/bin/cc - skipped
[INFO] [stderr]   -- Detecting C compile features
[INFO] [stderr]   -- Detecting C compile features - done
[INFO] [stderr]   -- Detecting CXX compiler ABI info
[INFO] [stderr]   -- Detecting CXX compiler ABI info - done
[INFO] [stderr]   -- Check for working CXX compiler: /usr/bin/c++ - skipped
[INFO] [stderr]   -- Detecting CXX compile features
[INFO] [stderr]   -- Detecting CXX compile features - done
[INFO] [stderr]   -- RITUAL_INCLUDE_PATH=/usr/include/x86_64-linux-gnu/qt5;/usr/include/x86_64-linux-gnu/qt5/QtCore
[INFO] [stderr]   -- RITUAL_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu
[INFO] [stderr]   -- RITUAL_LIBRARY_TYPE=STATIC
[INFO] [stderr]   -- RITUAL_LINKED_LIBS=Qt5Core
[INFO] [stderr]   -- RITUAL_CPP_LIB_VERSION=51400
[INFO] [stderr]   -- RITUAL_COMPILER_FLAGS=-std=gnu++11 -fPIC
[INFO] [stderr]   -- Configuring done
[INFO] [stderr]   -- Generating done
[INFO] [stderr]   -- Build files have been written to: /opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build
[INFO] [stderr]   /usr/bin/gmake  -f CMakeFiles/Makefile2 clean
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[INFO] [stderr]   cd /opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib /opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build /opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build /opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build/CMakeFiles/qt_core_c_autogen.dir/DependInfo.cmake --color=
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[INFO] [stderr]   gmake[2]: Leaving directory '/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build'
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[INFO] [stderr]   gmake[2]: Entering directory '/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build'
[INFO] [stderr]   [ 50%] Building CXX object CMakeFiles/qt_core_c.dir/qt_core_c_autogen/mocs_compilation.cpp.o
[INFO] [stderr]   /usr/bin/c++ -DQT_CORE_C_LIBRARY -DRITUAL_CPP_LIB_VERSION=51400 -I/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build/qt_core_c_autogen/include -I/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib -I/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtCore -Wall -Wextra -Wno-deprecated-declarations -Werror=return-type -std=gnu++11 -fPIC -g -MD -MT CMakeFiles/qt_core_c.dir/qt_core_c_autogen/mocs_compilation.cpp.o -MF CMakeFiles/qt_core_c.dir/qt_core_c_autogen/mocs_compilation.cpp.o.d -o CMakeFiles/qt_core_c.dir/qt_core_c_autogen/mocs_compilation.cpp.o -c /opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build/qt_core_c_autogen/mocs_compilation.cpp
[INFO] [stderr]   [ 75%] Building CXX object CMakeFiles/qt_core_c.dir/file1.cpp.o
[INFO] [stderr]   /usr/bin/c++ -DQT_CORE_C_LIBRARY -DRITUAL_CPP_LIB_VERSION=51400 -I/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build/qt_core_c_autogen/include -I/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib -I/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtCore -Wall -Wextra -Wno-deprecated-declarations -Werror=return-type -std=gnu++11 -fPIC -g -MD -MT CMakeFiles/qt_core_c.dir/file1.cpp.o -MF CMakeFiles/qt_core_c.dir/file1.cpp.o.d -o CMakeFiles/qt_core_c.dir/file1.cpp.o -c /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib/file1.cpp
[INFO] [stderr]   gmake[2]: Leaving directory '/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build'
[INFO] [stderr]   gmake[1]: Leaving directory '/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib/file1.cpp: In function 'QJsonArray::const_iterator* ctr_qt_core_ffi_QJsonArray_const_iterator_operator_6(QJsonArray::const_iterator*, const QJsonArray::const_iterator*)':
[INFO] [stderr]   /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib/file1.cpp:26446:30: warning: implicitly-declared 'QJsonArray::const_iterator& QJsonArray::const_iterator::operator=(const QJsonArray::const_iterator&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr]   26446 |   return &this_ptr->operator=(*other);
[INFO] [stderr]         |           ~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr]   In file included from /usr/include/x86_64-linux-gnu/qt5/QtCore/QtCore:124,
[INFO] [stderr]                    from /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib/qt_core_c_global.h:73,
[INFO] [stderr]                    from /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/qt_core-0.5.0/c_lib/file1.cpp:1:
[INFO] [stderr]   /usr/include/x86_64-linux-gnu/qt5/QtCore/qjsonarray.h:169:16: note: because 'QJsonArray::const_iterator' has user-provided 'QJsonArray::const_iterator::const_iterator(const QJsonArray::const_iterator&)'
[INFO] [stderr]     169 |         inline const_iterator(const const_iterator &o) : a(o.a), i(o.i) {} // ### Qt 6: Removed so class can be trivially-copyable
[INFO] [stderr]         |                ^~~~~~~~~~~~~~
[INFO] [stderr]   c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   compilation terminated.
[INFO] [stderr]   gmake[2]: *** [CMakeFiles/qt_core_c.dir/build.make:93: CMakeFiles/qt_core_c.dir/file1.cpp.o] Error 1
[INFO] [stderr]   gmake[1]: *** [CMakeFiles/Makefile2:87: CMakeFiles/qt_core_c.dir/all] Error 2
[INFO] [stderr]   gmake: *** [Makefile:139: all] Error 2
[INFO] [stderr]   [2024-03-01T18:15:57Z ERROR ritual_common::errors] Error:
[INFO] [stderr]   [2024-03-01T18:15:57Z ERROR ritual_common::errors]    command failed with exit status: 2: cd "/opt/rustwide/target/debug/build/qt_core-424a9dbd4382edda/out/c_lib_build" && "cmake" "--build" "." "--" "-j8" "install"
[INFO] [stderr]   [2024-03-01T18:15:57Z ERROR ritual_common::errors]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]          1: failure::backtrace::Backtrace::new
[INFO] [stderr]          2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]          3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]          4: failure::error_message::err_msg
[INFO] [stderr]          5: ritual_common::utils::run_command
[INFO] [stderr]          6: ritual_common::cpp_lib_builder::CppLibBuilder::run
[INFO] [stderr]          7: ritual_build::Config::try_run
[INFO] [stderr]          8: qt_ritual_build::try_run
[INFO] [stderr]          9: qt_ritual_build::run
[INFO] [stderr]         10: build_script_build::main
[INFO] [stderr]         11: core::ops::function::FnOnce::call_once
[INFO] [stderr]         12: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]         13: std::rt::lang_start::{{closure}}
[INFO] [stderr]         14: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/core/src/ops/function.rs:284:13
[INFO] [stderr]             std::panicking::try::do_call
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/panicking.rs:555:40
[INFO] [stderr]             std::panicking::try
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/panicking.rs:519:19
[INFO] [stderr]             std::panic::catch_unwind
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/panic.rs:142:14
[INFO] [stderr]             std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/rt.rs:148:48
[INFO] [stderr]             std::panicking::try::do_call
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/panicking.rs:555:40
[INFO] [stderr]             std::panicking::try
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/panicking.rs:519:19
[INFO] [stderr]             std::panic::catch_unwind
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/panic.rs:142:14
[INFO] [stderr]             std::rt::lang_start_internal
[INFO] [stderr]                    at /rustc/d7bd9cd469ff6871420007f091ef52fc32d2ca99/library/std/src/rt.rs:148:20
[INFO] [stderr]         15: std::rt::lang_start
[INFO] [stderr]         16: main
[INFO] [stderr]         17: <unknown>
[INFO] [stderr]         18: __libc_start_main
[INFO] [stderr]         19: _start
[INFO] [stderr]       
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d906bc1417e59a139ac14ca7e1110a6aac8e311fc92d3cf8e23dae4a51168ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d906bc1417e59a139ac14ca7e1110a6aac8e311fc92d3cf8e23dae4a51168ec7", kill_on_drop: false }`
[INFO] [stdout] d906bc1417e59a139ac14ca7e1110a6aac8e311fc92d3cf8e23dae4a51168ec7
[INFO] testing bitcoinleveldb-skiplist-0.1.16-alpha.0 against try#393ef12c970fbc7f294cd96c35cb76f9591bc1d6 for pr-121417
[INFO] extracting crate bitcoinleveldb-skiplist 0.1.16-alpha.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0 on toolchain 393ef12c970fbc7f294cd96c35cb76f9591bc1d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-skiplist 0.1.16-alpha.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fa010c26905c308e7fd194100b3ecf8e9b723647095a32fe1a163106b2d0ebe
[INFO] running `Command { std: "docker" "start" "-a" "6fa010c26905c308e7fd194100b3ecf8e9b723647095a32fe1a163106b2d0ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fa010c26905c308e7fd194100b3ecf8e9b723647095a32fe1a163106b2d0ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa010c26905c308e7fd194100b3ecf8e9b723647095a32fe1a163106b2d0ebe", kill_on_drop: false }`
[INFO] [stdout] 6fa010c26905c308e7fd194100b3ecf8e9b723647095a32fe1a163106b2d0ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 345fada9611235ff9c2b28587026ef8701bb70b64d1a9e8cd35f7811b166c95c
[INFO] running `Command { std: "docker" "start" "-a" "345fada9611235ff9c2b28587026ef8701bb70b64d1a9e8cd35f7811b166c95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling env_logger v0.7.1
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[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling clap_lex v0.2.4
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[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling time-point v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stderr]    Compiling atomic-take v1.1.0
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling bitset v0.1.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr]    Compiling bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-slice v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-status v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-util v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-comparator v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-filter v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-arena v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-key v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-rand v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-skiplist v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/skiplist.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn new(list: *const SkipList<Box<dyn SliceComparator>>) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/skiplist.rs:168:38
[INFO] [stdout]     |
[INFO] [stdout] 168 |     #[inline] pub fn seek(&mut self, target: &dyn Key)  {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist.rs:225:16
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(k: &Box<dyn Key>) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         n: i32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/skiplist.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         x: *mut SkipListNode)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:268:39
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn no_barrier_next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         n: i32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/skiplist.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         x: *mut SkipListNode)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/skiplist.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/skiplist.rs:299:43
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         key_:    &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/skiplist.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         height: i32) -> *mut SkipListNode {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         key_: &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         n:   *mut SkipListNode) -> bool {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |         key_:  &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> src/skiplist.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         prev: *mut *mut SkipListNode) -> *mut SkipListNode {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:393:34
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn find_less_than(&self, key_: &Box<dyn Key>) -> *mut SkipListNode {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmp`
[INFO] [stdout]    --> src/skiplist.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         cmp:   Box<dyn SliceComparator>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]    --> src/skiplist.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         arena: *mut Arena) -> Self {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:475:30
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn insert(&mut self, key_: &Box<dyn Key>)  {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn contains(&self, key_: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/skiplist_test.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/skiplist_test.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/skiplist_test.rs:212:39
[INFO] [stdout]     |
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:220:31
[INFO] [stdout]     |
[INFO] [stdout] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/skiplist_test.rs:268:33
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:277:21
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/skiplist_test.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:288:25
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:296:26
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:318:34
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:330:33
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:436:16
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:450:28
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:463:30
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/skiplist_test.rs:475:22
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> src/skiplist_test.rs:491:19
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn run_concurrent(run: i32)  {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/skiplist_test.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/skiplist_test.rs:552:9
[INFO] [stdout]     |
[INFO] [stdout] 552 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `compare`, `arena`, `head`, `max_height`, and `rnd` are never read
[INFO] [stdout]   --> src/skiplist.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SkipList<Comparator> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     compare:    Comparator,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     arena:      *const Arena,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |
[INFO] [stdout] 46 |     head:       *const SkipListNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     max_height: Atomic<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     rnd:        Random,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `list` and `node` are never read
[INFO] [stdout]   --> src/skiplist.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct SkipListIterator {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 73 |     list: *mut SkipList<Box<dyn SliceComparator>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 74 |     node: *mut SkipListNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key_` and `next` are never read
[INFO] [stdout]    --> src/skiplist.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub struct SkipListNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 213 |     key_:  Box<dyn Key>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     next: [Atomic<*mut SkipListNode>; 1],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Key` is never used
[INFO] [stdout]  --> src/skiplist_test.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Key = u64;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invoke` is never used
[INFO] [stdout]   --> src/skiplist_test.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TComparator {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SkipTest` is never constructed
[INFO] [stdout]   --> src/skiplist_test.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SkipTest {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current`, `arena`, and `list` are never read
[INFO] [stdout]    --> src/skiplist_test.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct ConcurrentTest {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 170 |     current: concurrent_test::State,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 171 |
[INFO] [stdout] 172 |     arena:   Arena,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     list:    SkipList<TComparator>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/skiplist_test.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl ConcurrentTest {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 243 |
[INFO] [stdout] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestState` is never constructed
[INFO] [stdout]    --> src/skiplist_test.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 411 | struct TestState {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wait`, and `change` are never used
[INFO] [stdout]    --> src/skiplist_test.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 434 | impl TestState {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 435 |     
[INFO] [stdout] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concurrent_reader` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:475:4
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_concurrent` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:491:4
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn run_concurrent(run: i32)  {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skiplist_test_main` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:550:4
[INFO] [stdout]     |
[INFO] [stdout] 550 | fn skiplist_test_main(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generation` is never read
[INFO] [stdout]    --> src/skiplist_test.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub struct State {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 193 |         generation: [AtomicI32; K],
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set` and `get` are never used
[INFO] [stdout]    --> src/skiplist_test.rs:212:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |     impl State {
[INFO] [stdout]     |     ---------- methods in this implementation
[INFO] [stdout] 211 |         
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/skiplist_test.rs:422:16
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub struct Inner {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReaderState` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:427:14
[INFO] [stdout]     |
[INFO] [stdout] 427 |     pub enum ReaderState { 
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SkipListMaxHeight` should have an upper case name
[INFO] [stdout]   --> src/skiplist.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const SkipListMaxHeight: usize = 12;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SKIP_LIST_MAX_HEIGHT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "345fada9611235ff9c2b28587026ef8701bb70b64d1a9e8cd35f7811b166c95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345fada9611235ff9c2b28587026ef8701bb70b64d1a9e8cd35f7811b166c95c", kill_on_drop: false }`
[INFO] [stdout] 345fada9611235ff9c2b28587026ef8701bb70b64d1a9e8cd35f7811b166c95c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e75aaf6d001ed49874cf4838668aca1ec0144af5099d0540a49ea0f30f31f72
[INFO] running `Command { std: "docker" "start" "-a" "2e75aaf6d001ed49874cf4838668aca1ec0144af5099d0540a49ea0f30f31f72", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/skiplist.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn new(list: *const SkipList<Box<dyn SliceComparator>>) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/skiplist.rs:168:38
[INFO] [stdout]     |
[INFO] [stdout] 168 |     #[inline] pub fn seek(&mut self, target: &dyn Key)  {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist.rs:225:16
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(k: &Box<dyn Key>) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         n: i32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/skiplist.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         x: *mut SkipListNode)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:268:39
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn no_barrier_next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         n: i32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/skiplist.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         x: *mut SkipListNode)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/skiplist.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/skiplist.rs:299:43
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         key_:    &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/skiplist.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         height: i32) -> *mut SkipListNode {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         key_: &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         n:   *mut SkipListNode) -> bool {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |         key_:  &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> src/skiplist.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         prev: *mut *mut SkipListNode) -> *mut SkipListNode {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:393:34
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn find_less_than(&self, key_: &Box<dyn Key>) -> *mut SkipListNode {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmp`
[INFO] [stdout]    --> src/skiplist.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         cmp:   Box<dyn SliceComparator>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]    --> src/skiplist.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         arena: *mut Arena) -> Self {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:475:30
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn insert(&mut self, key_: &Box<dyn Key>)  {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn contains(&self, key_: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/skiplist_test.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/skiplist_test.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/skiplist_test.rs:212:39
[INFO] [stdout]     |
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:220:31
[INFO] [stdout]     |
[INFO] [stdout] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/skiplist_test.rs:268:33
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:277:21
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/skiplist_test.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:288:25
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:296:26
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:318:34
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:330:33
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:436:16
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:450:28
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:463:30
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/skiplist_test.rs:475:22
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> src/skiplist_test.rs:491:19
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn run_concurrent(run: i32)  {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/skiplist_test.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/skiplist_test.rs:552:9
[INFO] [stdout]     |
[INFO] [stdout] 552 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `compare`, `arena`, `head`, `max_height`, and `rnd` are never read
[INFO] [stdout]   --> src/skiplist.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SkipList<Comparator> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     compare:    Comparator,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     arena:      *const Arena,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |
[INFO] [stdout] 46 |     head:       *const SkipListNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     max_height: Atomic<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     rnd:        Random,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `list` and `node` are never read
[INFO] [stdout]   --> src/skiplist.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct SkipListIterator {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 73 |     list: *mut SkipList<Box<dyn SliceComparator>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 74 |     node: *mut SkipListNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key_` and `next` are never read
[INFO] [stdout]    --> src/skiplist.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub struct SkipListNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 213 |     key_:  Box<dyn Key>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     next: [Atomic<*mut SkipListNode>; 1],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Key` is never used
[INFO] [stdout]  --> src/skiplist_test.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Key = u64;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invoke` is never used
[INFO] [stdout]   --> src/skiplist_test.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TComparator {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SkipTest` is never constructed
[INFO] [stdout]   --> src/skiplist_test.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SkipTest {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current`, `arena`, and `list` are never read
[INFO] [stdout]    --> src/skiplist_test.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct ConcurrentTest {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 170 |     current: concurrent_test::State,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 171 |
[INFO] [stdout] 172 |     arena:   Arena,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     list:    SkipList<TComparator>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/skiplist_test.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl ConcurrentTest {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 243 |
[INFO] [stdout] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestState` is never constructed
[INFO] [stdout]    --> src/skiplist_test.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 411 | struct TestState {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wait`, and `change` are never used
[INFO] [stdout]    --> src/skiplist_test.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 434 | impl TestState {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 435 |     
[INFO] [stdout] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concurrent_reader` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:475:4
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_concurrent` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:491:4
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn run_concurrent(run: i32)  {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skiplist_test_main` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:550:4
[INFO] [stdout]     |
[INFO] [stdout] 550 | fn skiplist_test_main(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bitcoinleveldb-skiplist v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `generation` is never read
[INFO] [stdout]    --> src/skiplist_test.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub struct State {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 193 |         generation: [AtomicI32; K],
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set` and `get` are never used
[INFO] [stdout]    --> src/skiplist_test.rs:212:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |     impl State {
[INFO] [stdout]     |     ---------- methods in this implementation
[INFO] [stdout] 211 |         
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/skiplist_test.rs:422:16
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub struct Inner {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReaderState` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:427:14
[INFO] [stdout]     |
[INFO] [stdout] 427 |     pub enum ReaderState { 
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SkipListMaxHeight` should have an upper case name
[INFO] [stdout]   --> src/skiplist.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const SkipListMaxHeight: usize = 12;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SKIP_LIST_MAX_HEIGHT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/skiplist.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn new(list: *const SkipList<Box<dyn SliceComparator>>) -> Self {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/skiplist.rs:168:38
[INFO] [stdout]     |
[INFO] [stdout] 168 |     #[inline] pub fn seek(&mut self, target: &dyn Key)  {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist.rs:225:16
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn new(k: &Box<dyn Key>) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:239:28
[INFO] [stdout]     |
[INFO] [stdout] 239 |     pub fn next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         n: i32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/skiplist.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         x: *mut SkipListNode)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:268:39
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn no_barrier_next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |         n: i32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/skiplist.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         x: *mut SkipListNode)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/skiplist.rs:299:25
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/skiplist.rs:299:43
[INFO] [stdout]     |
[INFO] [stdout] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         key_:    &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/skiplist.rs:309:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |         height: i32) -> *mut SkipListNode {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         key_: &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/skiplist.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         n:   *mut SkipListNode) -> bool {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |         key_:  &Box<dyn Key>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]    --> src/skiplist.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         prev: *mut *mut SkipListNode) -> *mut SkipListNode {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:393:34
[INFO] [stdout]     |
[INFO] [stdout] 393 |     pub fn find_less_than(&self, key_: &Box<dyn Key>) -> *mut SkipListNode {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmp`
[INFO] [stdout]    --> src/skiplist.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         cmp:   Box<dyn SliceComparator>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arena`
[INFO] [stdout]    --> src/skiplist.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         arena: *mut Arena) -> Self {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:475:30
[INFO] [stdout]     |
[INFO] [stdout] 475 |     pub fn insert(&mut self, key_: &Box<dyn Key>)  {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn contains(&self, key_: &Box<dyn Key>) -> bool {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/skiplist_test.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/skiplist_test.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:212:31
[INFO] [stdout]     |
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/skiplist_test.rs:212:39
[INFO] [stdout]     |
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:220:31
[INFO] [stdout]     |
[INFO] [stdout] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:252:16
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/skiplist_test.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/skiplist_test.rs:268:33
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:277:21
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/skiplist_test.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/skiplist_test.rs:288:25
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:296:26
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:318:34
[INFO] [stdout]     |
[INFO] [stdout] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rnd`
[INFO] [stdout]    --> src/skiplist_test.rs:330:33
[INFO] [stdout]     |
[INFO] [stdout] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:436:16
[INFO] [stdout]     |
[INFO] [stdout] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:450:28
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/skiplist_test.rs:463:30
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/skiplist_test.rs:475:22
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> src/skiplist_test.rs:491:19
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn run_concurrent(run: i32)  {
[INFO] [stdout]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/skiplist_test.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/skiplist_test.rs:552:9
[INFO] [stdout]     |
[INFO] [stdout] 552 |         argv: *mut *mut u8) -> i32 {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `compare`, `arena`, `head`, `max_height`, and `rnd` are never read
[INFO] [stdout]   --> src/skiplist.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SkipList<Comparator> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     compare:    Comparator,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     arena:      *const Arena,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 45 |
[INFO] [stdout] 46 |     head:       *const SkipListNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     max_height: Atomic<i32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     rnd:        Random,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `list` and `node` are never read
[INFO] [stdout]   --> src/skiplist.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct SkipListIterator {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 73 |     list: *mut SkipList<Box<dyn SliceComparator>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 74 |     node: *mut SkipListNode,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key_` and `next` are never read
[INFO] [stdout]    --> src/skiplist.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub struct SkipListNode {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 213 |     key_:  Box<dyn Key>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     next: [Atomic<*mut SkipListNode>; 1],
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Key` is never used
[INFO] [stdout]  --> src/skiplist_test.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Key = u64;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invoke` is never used
[INFO] [stdout]   --> src/skiplist_test.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl TComparator {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SkipTest` is never constructed
[INFO] [stdout]   --> src/skiplist_test.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SkipTest {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current`, `arena`, and `list` are never read
[INFO] [stdout]    --> src/skiplist_test.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct ConcurrentTest {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 170 |     current: concurrent_test::State,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 171 |
[INFO] [stdout] 172 |     arena:   Arena,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     list:    SkipList<TComparator>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/skiplist_test.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 242 | impl ConcurrentTest {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] 243 |
[INFO] [stdout] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestState` is never constructed
[INFO] [stdout]    --> src/skiplist_test.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 411 | struct TestState {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wait`, and `change` are never used
[INFO] [stdout]    --> src/skiplist_test.rs:436:12
[INFO] [stdout]     |
[INFO] [stdout] 434 | impl TestState {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 435 |     
[INFO] [stdout] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concurrent_reader` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:475:4
[INFO] [stdout]     |
[INFO] [stdout] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_concurrent` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:491:4
[INFO] [stdout]     |
[INFO] [stdout] 491 | fn run_concurrent(run: i32)  {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `skiplist_test_main` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:550:4
[INFO] [stdout]     |
[INFO] [stdout] 550 | fn skiplist_test_main(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generation` is never read
[INFO] [stdout]    --> src/skiplist_test.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub struct State {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 193 |         generation: [AtomicI32; K],
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set` and `get` are never used
[INFO] [stdout]    --> src/skiplist_test.rs:212:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |     impl State {
[INFO] [stdout]     |     ---------- methods in this implementation
[INFO] [stdout] 211 |         
[INFO] [stdout] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Inner` is never constructed
[INFO] [stdout]    --> src/skiplist_test.rs:422:16
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub struct Inner {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReaderState` is never used
[INFO] [stdout]    --> src/skiplist_test.rs:427:14
[INFO] [stdout]     |
[INFO] [stdout] 427 |     pub enum ReaderState { 
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SkipListMaxHeight` should have an upper case name
[INFO] [stdout]   --> src/skiplist.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const SkipListMaxHeight: usize = 12;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SKIP_LIST_MAX_HEIGHT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "2e75aaf6d001ed49874cf4838668aca1ec0144af5099d0540a49ea0f30f31f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e75aaf6d001ed49874cf4838668aca1ec0144af5099d0540a49ea0f30f31f72", kill_on_drop: false }`
[INFO] [stdout] 2e75aaf6d001ed49874cf4838668aca1ec0144af5099d0540a49ea0f30f31f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+393ef12c970fbc7f294cd96c35cb76f9591bc1d6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dc048645bd8b1b827fb459b753523ab69c273a774948abb3ec9c6fd16efdc7e
[INFO] running `Command { std: "docker" "start" "-a" "0dc048645bd8b1b827fb459b753523ab69c273a774948abb3ec9c6fd16efdc7e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `list`
[INFO] [stderr]   --> src/skiplist.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn new(list: *const SkipList<Box<dyn SliceComparator>>) -> Self {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> src/skiplist.rs:168:38
[INFO] [stderr]     |
[INFO] [stderr] 168 |     #[inline] pub fn seek(&mut self, target: &dyn Key)  {
[INFO] [stderr]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/skiplist.rs:225:16
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn new(k: &Box<dyn Key>) -> Self {
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/skiplist.rs:239:28
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub fn next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/skiplist.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         n: i32,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/skiplist.rs:252:9
[INFO] [stderr]     |
[INFO] [stderr] 252 |         x: *mut SkipListNode)  {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/skiplist.rs:268:39
[INFO] [stderr]     |
[INFO] [stderr] 268 |     pub fn no_barrier_next(&mut self, n: i32) -> *mut SkipListNode {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/skiplist.rs:278:9
[INFO] [stderr]     |
[INFO] [stderr] 278 |         n: i32,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/skiplist.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         x: *mut SkipListNode)  {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/skiplist.rs:299:25
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/skiplist.rs:299:43
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn equal(&self, a: &Box<dyn Key>, b: &Box<dyn Key>) -> bool {
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 |         key_:    &Box<dyn Key>,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]    --> src/skiplist.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         height: i32) -> *mut SkipListNode {
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         key_: &Box<dyn Key>,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/skiplist.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         n:   *mut SkipListNode) -> bool {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist.rs:362:9
[INFO] [stderr]     |
[INFO] [stderr] 362 |         key_:  &Box<dyn Key>,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prev`
[INFO] [stderr]    --> src/skiplist.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 |         prev: *mut *mut SkipListNode) -> *mut SkipListNode {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist.rs:393:34
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn find_less_than(&self, key_: &Box<dyn Key>) -> *mut SkipListNode {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmp`
[INFO] [stderr]    --> src/skiplist.rs:452:9
[INFO] [stderr]     |
[INFO] [stderr] 452 |         cmp:   Box<dyn SliceComparator>,
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arena`
[INFO] [stderr]    --> src/skiplist.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         arena: *mut Arena) -> Self {
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist.rs:475:30
[INFO] [stderr]     |
[INFO] [stderr] 475 |     pub fn insert(&mut self, key_: &Box<dyn Key>)  {
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |     pub fn contains(&self, key_: &Box<dyn Key>) -> bool {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/skiplist_test.rs:13:26
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/skiplist_test.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/skiplist_test.rs:212:31
[INFO] [stderr]     |
[INFO] [stderr] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/skiplist_test.rs:212:39
[INFO] [stderr]     |
[INFO] [stderr] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/skiplist_test.rs:220:31
[INFO] [stderr]     |
[INFO] [stderr] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist_test.rs:244:16
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stderr]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist_test.rs:252:16
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stderr]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_`
[INFO] [stderr]    --> src/skiplist_test.rs:260:17
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/skiplist_test.rs:268:25
[INFO] [stderr]     |
[INFO] [stderr] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/skiplist_test.rs:268:33
[INFO] [stderr]     |
[INFO] [stderr] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stderr]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/skiplist_test.rs:277:21
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/skiplist_test.rs:277:29
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/skiplist_test.rs:288:25
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rnd`
[INFO] [stderr]    --> src/skiplist_test.rs:296:26
[INFO] [stderr]     |
[INFO] [stderr] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rnd`
[INFO] [stderr]    --> src/skiplist_test.rs:318:34
[INFO] [stderr]     |
[INFO] [stderr] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rnd`
[INFO] [stderr]    --> src/skiplist_test.rs:330:33
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_rnd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/skiplist_test.rs:436:16
[INFO] [stderr]     |
[INFO] [stderr] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stderr]     |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/skiplist_test.rs:450:28
[INFO] [stderr]     |
[INFO] [stderr] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/skiplist_test.rs:463:30
[INFO] [stderr]     |
[INFO] [stderr] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/skiplist_test.rs:475:22
[INFO] [stderr]     |
[INFO] [stderr] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]    --> src/skiplist_test.rs:491:19
[INFO] [stderr]     |
[INFO] [stderr] 491 | fn run_concurrent(run: i32)  {
[INFO] [stderr]     |                   ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argc`
[INFO] [stderr]    --> src/skiplist_test.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         argc: i32,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argv`
[INFO] [stderr]    --> src/skiplist_test.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         argv: *mut *mut u8) -> i32 {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `compare`, `arena`, `head`, `max_height`, and `rnd` are never read
[INFO] [stderr]   --> src/skiplist.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct SkipList<Comparator> {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     compare:    Comparator,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     arena:      *const Arena,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 45 |
[INFO] [stderr] 46 |     head:       *const SkipListNode,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     max_height: Atomic<i32>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     rnd:        Random,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `list` and `node` are never read
[INFO] [stderr]   --> src/skiplist.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct SkipListIterator {
[INFO] [stderr]    |            ---------------- fields in this struct
[INFO] [stderr] 73 |     list: *mut SkipList<Box<dyn SliceComparator>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 74 |     node: *mut SkipListNode,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key_` and `next` are never read
[INFO] [stderr]    --> src/skiplist.rs:213:5
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub struct SkipListNode {
[INFO] [stderr]     |            ------------ fields in this struct
[INFO] [stderr] 213 |     key_:  Box<dyn Key>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 220 |     next: [Atomic<*mut SkipListNode>; 1],
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Key` is never used
[INFO] [stderr]  --> src/skiplist_test.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Key = u64;
[INFO] [stderr]   |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `invoke` is never used
[INFO] [stderr]   --> src/skiplist_test.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl TComparator {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 12 |
[INFO] [stderr] 13 |     pub fn invoke(&self, a: &Key, b: &Key) -> i32 {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SkipTest` is never constructed
[INFO] [stderr]   --> src/skiplist_test.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct SkipTest {}
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `current`, `arena`, and `list` are never read
[INFO] [stderr]    --> src/skiplist_test.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 165 | struct ConcurrentTest {
[INFO] [stderr]     |        -------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 170 |     current: concurrent_test::State,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 171 |
[INFO] [stderr] 172 |     arena:   Arena,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 180 |     list:    SkipList<TComparator>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/skiplist_test.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 242 | impl ConcurrentTest {
[INFO] [stderr]     | ------------------- associated items in this implementation
[INFO] [stderr] 243 |
[INFO] [stderr] 244 |     pub fn key(key_: Key) -> u64 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 252 |     pub fn gen(key_: Key) -> u64 {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |     pub fn hash(key_: Key) -> u64 {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 |     pub fn hash_numbers(k: u64, g: u64) -> u64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 277 |     pub fn make_key(k: u64, g: u64) -> Key {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 288 |     pub fn is_valid_key(k: Key) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 296 |     pub fn random_target(rnd: *mut Random) -> Key {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 318 |     pub fn write_step(&mut self, rnd: *mut Random)  {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 330 |     pub fn read_step(&mut self, rnd: *mut Random)  {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestState` is never constructed
[INFO] [stderr]    --> src/skiplist_test.rs:411:8
[INFO] [stderr]     |
[INFO] [stderr] 411 | struct TestState {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `wait`, and `change` are never used
[INFO] [stderr]    --> src/skiplist_test.rs:436:12
[INFO] [stderr]     |
[INFO] [stderr] 434 | impl TestState {
[INFO] [stderr]     | -------------- associated items in this implementation
[INFO] [stderr] 435 |     
[INFO] [stderr] 436 |     pub fn new(s: i32) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 450 |     pub fn wait(&mut self, s: test_state::ReaderState)  {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 463 |     pub fn change(&mut self, s: test_state::ReaderState)  {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `concurrent_reader` is never used
[INFO] [stderr]    --> src/skiplist_test.rs:475:4
[INFO] [stderr]     |
[INFO] [stderr] 475 | fn concurrent_reader(arg: *mut c_void)  {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_concurrent` is never used
[INFO] [stderr]    --> src/skiplist_test.rs:491:4
[INFO] [stderr]     |
[INFO] [stderr] 491 | fn run_concurrent(run: i32)  {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `skiplist_test_main` is never used
[INFO] [stderr]    --> src/skiplist_test.rs:550:4
[INFO] [stderr]     |
[INFO] [stderr] 550 | fn skiplist_test_main(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `generation` is never read
[INFO] [stderr]    --> src/skiplist_test.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub struct State {
[INFO] [stderr]     |                ----- field in this struct
[INFO] [stderr] 193 |         generation: [AtomicI32; K],
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set` and `get` are never used
[INFO] [stderr]    --> src/skiplist_test.rs:212:16
[INFO] [stderr]     |
[INFO] [stderr] 210 |     impl State {
[INFO] [stderr]     |     ---------- methods in this implementation
[INFO] [stderr] 211 |         
[INFO] [stderr] 212 |         pub fn set(&mut self, k: i32, v: i32)  {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] ...
[INFO] [stderr] 220 |         pub fn get(&mut self, k: i32) -> i32 {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Inner` is never constructed
[INFO] [stderr]    --> src/skiplist_test.rs:422:16
[INFO] [stderr]     |
[INFO] [stderr] 422 |     pub struct Inner {
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ReaderState` is never used
[INFO] [stderr]    --> src/skiplist_test.rs:427:14
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub enum ReaderState { 
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SkipListMaxHeight` should have an upper case name
[INFO] [stderr]   --> src/skiplist.rs:64:11
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub const SkipListMaxHeight: usize = 12;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SKIP_LIST_MAX_HEIGHT`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcoinleveldb-skiplist` (lib) generated 63 warnings
[INFO] [stderr] warning: `bitcoinleveldb-skiplist` (lib test) generated 63 warnings (63 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bitcoinleveldb_skiplist-9b7c2c6b41f6049a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test skiplist_test::skip_test_concurrent1 ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_concurrent_without_threads ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_insert_and_lookup ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_concurrent5 ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_concurrent4 ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_empty ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_concurrent2 ... FAILED
[INFO] [stdout] test skiplist_test::skip_test_concurrent3 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_concurrent1 stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_concurrent1' panicked at src/skiplist_test.rs:516:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa268d - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent1::hcd4d10b9a93a9f03
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:516:5
[INFO] [stdout]   21:     0x55dcfeaa2657 - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent1::{{closure}}::h1577a9b14e10dd27
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:515:35
[INFO] [stdout]   22:     0x55dcfeaa2236 - core::ops::function::FnOnce::call_once::hea363dcf0f770c21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_concurrent_without_threads stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_concurrent_without_threads' panicked at src/skiplist_test.rs:398:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa263d - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent_without_threads::he508f5182540943d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:398:5
[INFO] [stdout]   21:     0x55dcfeaa2607 - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent_without_threads::{{closure}}::hc22e060c4c6fe488
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:397:50
[INFO] [stdout]   22:     0x55dcfeaa21b6 - core::ops::function::FnOnce::call_once::hb4b76e5b649836be
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_insert_and_lookup stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_insert_and_lookup' panicked at src/skiplist_test.rs:52:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa25ed - bitcoinleveldb_skiplist::skiplist_test::skip_test_insert_and_lookup::h72fc421c3c214e65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:52:5
[INFO] [stdout]   21:     0x55dcfeaa25b7 - bitcoinleveldb_skiplist::skiplist_test::skip_test_insert_and_lookup::{{closure}}::h77ec02933edc3324
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:51:41
[INFO] [stdout]   22:     0x55dcfeaa2066 - core::ops::function::FnOnce::call_once::h6bbd3792ac4e61d0
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_concurrent5 stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_concurrent5' panicked at src/skiplist_test.rs:544:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa27cd - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent5::had986b09a4b502da
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:544:5
[INFO] [stdout]   21:     0x55dcfeaa2797 - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent5::{{closure}}::hc77f3dc6a673374e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:543:35
[INFO] [stdout]   22:     0x55dcfeaa21f6 - core::ops::function::FnOnce::call_once::hc6e1cf8fd8402cf3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_concurrent4 stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_concurrent4' panicked at src/skiplist_test.rs:537:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa277d - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent4::h7830bee0763a866b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:537:5
[INFO] [stdout]   21:     0x55dcfeaa2747 - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent4::{{closure}}::h6ba212e321122629
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:536:35
[INFO] [stdout]   22:     0x55dcfeaa20a6 - core::ops::function::FnOnce::call_once::h757fb77bf9b4d949
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_empty stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_empty' panicked at src/skiplist_test.rs:31:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa259d - bitcoinleveldb_skiplist::skiplist_test::skip_test_empty::h5830c302cb636f65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:31:5
[INFO] [stdout]   21:     0x55dcfeaa2567 - bitcoinleveldb_skiplist::skiplist_test::skip_test_empty::{{closure}}::ha277192510e535d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:30:29
[INFO] [stdout]   22:     0x55dcfeaa2126 - core::ops::function::FnOnce::call_once::h941b9e3dc1c8e0ea
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_concurrent2 stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_concurrent2' panicked at src/skiplist_test.rs:523:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa26dd - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent2::h8bc3b79fc1a7660e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:523:5
[INFO] [stdout]   21:     0x55dcfeaa26a7 - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent2::{{closure}}::h57418b802c83fbee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:522:35
[INFO] [stdout]   22:     0x55dcfeaa2166 - core::ops::function::FnOnce::call_once::hac6b5275b7bc18f7
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- skiplist_test::skip_test_concurrent3 stdout ----
[INFO] [stdout] thread 'skiplist_test::skip_test_concurrent3' panicked at src/skiplist_test.rs:530:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::libunwind::trace::h5c10df0b519d962f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dcfeb058d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h56122ec150da225d
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dcfeb058d6 - std::sys_common::backtrace::_print_fmt::h8e5f02953967e039
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dcfeb058d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h736f584a9f3f7d78
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dcfeb2d15c - core::fmt::rt::Argument::fmt::h0eca9e37bebd875b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dcfeb2d15c - core::fmt::write::h57172937379ae112
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dcfeb030ff - std::io::Write::write_fmt::h48e0063b56f825c3
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55dcfeb05684 - std::sys_common::backtrace::_print::ha0fb9ef3018dd67f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dcfeb05684 - std::sys_common::backtrace::print::h97bc00c4f471ee58
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dcfeb0737b - std::panicking::default_hook::{{closure}}::had669b8c5eb766ef
[INFO] [stdout]   10:     0x55dcfeb0704d - std::panicking::default_hook::hee79edbbfe503541
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55dcfead6fe7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbce7bcf7a5291663
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   12:     0x55dcfead6fe7 - test::test_main::{{closure}}::hbf7bf4b112234627
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55dcfeb079b0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h283d0ebbebe64c72
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2030:9
[INFO] [stdout]   14:     0x55dcfeb079b0 - std::panicking::rust_panic_with_hook::ha824647abef1aff2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:786:13
[INFO] [stdout]   15:     0x55dcfeb076b9 - std::panicking::begin_panic_handler::{{closure}}::h34c7493359eae8d6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:652:13
[INFO] [stdout]   16:     0x55dcfeb05db6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8f5a11b92972236f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55dcfeb07424 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:648:5
[INFO] [stdout]   18:     0x55dcfeaa1865 - core::panicking::panic_fmt::h4f7dd4ba7fa8b3c9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55dcfeaa1923 - core::panicking::panic::h0d310bf121597424
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panicking.rs:144:5
[INFO] [stdout]   20:     0x55dcfeaa272d - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent3::hfd45026a86263a94
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:530:5
[INFO] [stdout]   21:     0x55dcfeaa26f7 - bitcoinleveldb_skiplist::skiplist_test::skip_test_concurrent3::{{closure}}::hc74ebf5be3f5dca3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/skiplist_test.rs:529:35
[INFO] [stdout]   22:     0x55dcfeaa20e6 - core::ops::function::FnOnce::call_once::h845e64dc71f7fcda
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55dcfeadc7ef - core::ops::function::FnOnce::call_once::h263d60e66e97ae21
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55dcfeadc7ef - test::__rust_begin_short_backtrace::hfd27401b46e2c35b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:620:18
[INFO] [stdout]   25:     0x55dcfeadb360 - test::run_test_in_process::{{closure}}::h6f15adc4862466a2
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:60
[INFO] [stdout]   26:     0x55dcfeadb360 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haaf085868eec590b
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55dcfeadb360 - std::panicking::try::do_call::he863b9ffdd9dccd8
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   28:     0x55dcfeadb360 - std::panicking::try::h00518ddc92157d69
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   29:     0x55dcfeadb360 - std::panic::catch_unwind::ha54d881a3136a844
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x55dcfeadb360 - test::run_test_in_process::he6969e4cdcd00ab9
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:643:27
[INFO] [stdout]   31:     0x55dcfeadb360 - test::run_test::{{closure}}::ha7bd2350e4208460
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:566:43
[INFO] [stdout]   32:     0x55dcfeaa36f3 - test::run_test::{{closure}}::h7e4f6d8c61dc1fc5
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/test/src/lib.rs:594:41
[INFO] [stdout]   33:     0x55dcfeaa36f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7971b3168cdfe030
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   34:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h940fea02fa91722e
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   35:     0x55dcfeaa838f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc9108612b0b55d6f
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55dcfeaa838f - std::panicking::try::do_call::h088487cc7181ed41
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:555:40
[INFO] [stdout]   37:     0x55dcfeaa838f - std::panicking::try::hbe658ba86d10aeac
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panicking.rs:519:19
[INFO] [stdout]   38:     0x55dcfeaa838f - std::panic::catch_unwind::hbcfe75becdd3312a
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/panic.rs:142:14
[INFO] [stdout]   39:     0x55dcfeaa838f - std::thread::Builder::spawn_unchecked_::{{closure}}::h5da9b0997b04a0b6
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   40:     0x55dcfeaa838f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h282e25baa8bce548
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b00d7973698e306
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   42:     0x55dcfeb0bc15 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha210a4482bc8347c
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/alloc/src/boxed.rs:2016:9
[INFO] [stdout]   43:     0x55dcfeb0bc15 - std::sys::pal::unix::thread::Thread::new::thread_start::h2e04f672130bcc99
[INFO] [stdout]                                at /rustc/393ef12c970fbc7f294cd96c35cb76f9591bc1d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   44:     0x7f1b3df79ac3 - <unknown>
[INFO] [stdout]   45:     0x7f1b3e00abf4 - __clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     skiplist_test::skip_test_concurrent1
[INFO] [stdout]     skiplist_test::skip_test_concurrent2
[INFO] [stdout]     skiplist_test::skip_test_concurrent3
[INFO] [stdout]     skiplist_test::skip_test_concurrent4
[INFO] [stdout]     skiplist_test::skip_test_concurrent5
[INFO] [stdout]     skiplist_test::skip_test_concurrent_without_threads
[INFO] [stdout]     skiplist_test::skip_test_empty
[INFO] [stdout]     skiplist_test::skip_test_insert_and_lookup
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0dc048645bd8b1b827fb459b753523ab69c273a774948abb3ec9c6fd16efdc7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc048645bd8b1b827fb459b753523ab69c273a774948abb3ec9c6fd16efdc7e", kill_on_drop: false }`
[INFO] [stdout] 0dc048645bd8b1b827fb459b753523ab69c273a774948abb3ec9c6fd16efdc7e