[INFO] fetching crate bitcoinleveldb-memenv 0.1.16-alpha.0...
[INFO] checking bitcoinleveldb-memenv-0.1.16-alpha.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate bitcoinleveldb-memenv 0.1.16-alpha.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51adfba99d5ba589bcc3108a27d9e8dc0a2e4ba1e2c3f9c67b12fe3887d4a2d1
[INFO] running `Command { std: "docker" "start" "-a" "51adfba99d5ba589bcc3108a27d9e8dc0a2e4ba1e2c3f9c67b12fe3887d4a2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51adfba99d5ba589bcc3108a27d9e8dc0a2e4ba1e2c3f9c67b12fe3887d4a2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51adfba99d5ba589bcc3108a27d9e8dc0a2e4ba1e2c3f9c67b12fe3887d4a2d1", kill_on_drop: false }`
[INFO] [stdout] 51adfba99d5ba589bcc3108a27d9e8dc0a2e4ba1e2c3f9c67b12fe3887d4a2d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b4fe6d7fe5bbb9a2fb726185b5c8c86b852ec22950216be515462a0aa0f4a0
[INFO] running `Command { std: "docker" "start" "-a" "10b4fe6d7fe5bbb9a2fb726185b5c8c86b852ec22950216be515462a0aa0f4a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling qt_macros v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling qmetaobject_impl v0.2.10
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling try-catch v0.2.2
[INFO] [stderr]    Compiling delegate v0.7.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling poison v0.1.0
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling shared-mutex v0.3.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling sqlite3 v0.24.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling sqlite v0.25.3
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling pnet_sys v0.31.0
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling bitset v0.1.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling time-point v0.1.1
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling atomic-take v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]     Checking sqlite3-src v0.2.12
[INFO] [stderr]     Checking openssl-sys v0.9.101
[INFO] [stderr]     Checking cpp_core v0.6.0
[INFO] [stderr]     Checking sqlite3-sys v0.12.0
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]    Compiling cpp_build v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling qttypes v0.2.11
[INFO] [stderr]    Compiling cpp_macros v0.5.9
[INFO] [stderr]    Compiling qmetaobject v0.2.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling cpp v0.5.9
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libevent-sys v0.2.6
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking serde-big-array v0.4.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling ritual_common v0.4.0
[INFO] [stderr]    Compiling qt_ritual_common v0.4.0
[INFO] [stderr]    Compiling ritual_build v0.4.0
[INFO] [stderr]    Compiling qt_ritual_build v0.5.0
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr]    Compiling qt_core v0.5.0
[INFO] [stderr]    Compiling qt_gui v0.5.0
[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-bc117c3a5f79c3da/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-3e6d308525c925ff/out/c_lib_build
[INFO] [stderr]   /usr/bin/gmake  -f CMakeFiles/Makefile2 clean
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[INFO] [stderr]   gmake[2]: Entering directory '/opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build'
[INFO] [stderr]   cd /opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/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-3e6d308525c925ff/out/c_lib_build /opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build /opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build/CMakeFiles/qt_core_c_autogen.dir/DependInfo.cmake --color=
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[INFO] [stderr]   gmake[2]: Entering directory '/opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build'
[INFO] [stderr]   cd /opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/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-3e6d308525c925ff/out/c_lib_build /opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build /opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build/CMakeFiles/qt_core_c.dir/DependInfo.cmake --color=
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[INFO] [stderr]   /usr/bin/gmake  -f CMakeFiles/qt_core_c.dir/build.make CMakeFiles/qt_core_c.dir/build
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[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-3e6d308525c925ff/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-3e6d308525c925ff/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-3e6d308525c925ff/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-3e6d308525c925ff/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-3e6d308525c925ff/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-3e6d308525c925ff/out/c_lib_build'
[INFO] [stderr]   gmake[1]: Leaving directory '/opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/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]   [2024-03-03T19:24:39Z ERROR ritual_common::errors] Error:
[INFO] [stderr]   [2024-03-03T19:24:39Z ERROR ritual_common::errors]    command failed with exit status: 2: cd "/opt/rustwide/target/debug/build/qt_core-3e6d308525c925ff/out/c_lib_build" && "cmake" "--build" "." "--" "-j16" "install"
[INFO] [stderr]   [2024-03-03T19:24:39Z 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/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/ops/function.rs:284:13
[INFO] [stderr]             std::panicking::try::do_call
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]             std::panicking::try
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]             std::panic::catch_unwind
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]             std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:48
[INFO] [stderr]             std::panicking::try::do_call
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]             std::panicking::try
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]             std::panic::catch_unwind
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]             std::rt::lang_start_internal
[INFO] [stderr]                    at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/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" "10b4fe6d7fe5bbb9a2fb726185b5c8c86b852ec22950216be515462a0aa0f4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b4fe6d7fe5bbb9a2fb726185b5c8c86b852ec22950216be515462a0aa0f4a0", kill_on_drop: false }`
[INFO] [stdout] 10b4fe6d7fe5bbb9a2fb726185b5c8c86b852ec22950216be515462a0aa0f4a0
[INFO] checking bitcoinleveldb-memenv-0.1.16-alpha.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate bitcoinleveldb-memenv 0.1.16-alpha.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-memenv 0.1.16-alpha.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb3520ede5f426b368141e4d30f33a88e665ae7cf03b995ee3e656a1b755e54
[INFO] running `Command { std: "docker" "start" "-a" "7fb3520ede5f426b368141e4d30f33a88e665ae7cf03b995ee3e656a1b755e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb3520ede5f426b368141e4d30f33a88e665ae7cf03b995ee3e656a1b755e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb3520ede5f426b368141e4d30f33a88e665ae7cf03b995ee3e656a1b755e54", kill_on_drop: false }`
[INFO] [stdout] 7fb3520ede5f426b368141e4d30f33a88e665ae7cf03b995ee3e656a1b755e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b460c201acaa4fbbf7fa2fb29c756bdf8ba9e99f13c83fd970538a4f07730bea
[INFO] running `Command { std: "docker" "start" "-a" "b460c201acaa4fbbf7fa2fb29c756bdf8ba9e99f13c83fd970538a4f07730bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling qttypes v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling cpp_macros v0.5.9
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling qmetaobject v0.2.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking quanta v0.9.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking multiset v0.0.5
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling cpp v0.5.9
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling libevent-sys v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling qt_macros v0.1.1
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling qmetaobject_impl v0.2.10
[INFO] [stderr]    Compiling delegate v0.7.0
[INFO] [stderr]    Compiling try-catch v0.2.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking serde-big-array v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling ritual_common v0.4.0
[INFO] [stderr]    Compiling qt_ritual_common v0.4.0
[INFO] [stderr]    Compiling ritual_build v0.4.0
[INFO] [stderr]    Compiling qt_ritual_build v0.5.0
[INFO] [stderr]    Compiling qt_core v0.5.0
[INFO] [stderr]    Compiling qt_gui v0.5.0
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr]     Checking 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-key v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-rand v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-file v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-log v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-env v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-memenv v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/leveldb_helpers_memenv_memenv_test.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/leveldb_helpers_memenv_memenv_test.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         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: unused variable: `offset`
[INFO] [stdout]    --> src/memenv.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         offset:  u64,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         n:       usize,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         result:  *mut Slice,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scratch`
[INFO] [stdout]    --> src/memenv.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         scratch: *mut u8) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scratch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/memenv.rs:152:30
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn append(&mut self, data: &Slice) -> crate::Status {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         n:       usize,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         result:  *mut Slice,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scratch`
[INFO] [stdout]    --> src/memenv.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         scratch: *mut u8) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scratch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn skip(&mut self, n: u64) -> crate::Status {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/memenv.rs:269:16
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn new(file: *mut FileState) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/memenv.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         offset:  u64,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         n:       usize,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         result:  *mut Slice,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scratch`
[INFO] [stdout]    --> src/memenv.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         scratch: *mut u8) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scratch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/memenv.rs:325:16
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn new(file: *mut FileState) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/memenv.rs:365:16
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub fn new(file: *mut FileState) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/memenv.rs:378:26
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn append(&mut self, data: &Slice) -> crate::Status {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> src/memenv.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         format: *const u8,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/memenv.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         ap:     &[&str])  { }
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_env`
[INFO] [stdout]    --> src/memenv.rs:465:16
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn new(base_env: Rc<RefCell<dyn Env>>) -> Self {
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         result: *mut Rc<RefCell<dyn SequentialFile>>) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         result: *mut *mut dyn RandomAccessFile) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:515:9
[INFO] [stdout]     |
[INFO] [stdout] 515 |         result: *mut *mut dyn WritableFile) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         result: *mut *mut dyn WritableFile) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:556:35
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn file_exists(&mut self, fname: &String) -> bool {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/memenv.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 566 |         dir:    &String,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:567:9
[INFO] [stdout]     |
[INFO] [stdout] 567 |         result: *mut Vec<String>) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:588:44
[INFO] [stdout]     |
[INFO] [stdout] 588 |     pub fn delete_file_internal(&mut self, fname: &String)  {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:601:35
[INFO] [stdout]     |
[INFO] [stdout] 601 |     pub fn delete_file(&mut self, fname: &String) -> crate::Status {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirname`
[INFO] [stdout]    --> src/memenv.rs:615:34
[INFO] [stdout]     |
[INFO] [stdout] 615 |     pub fn create_dir(&mut self, dirname: &String) -> crate::Status {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dirname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirname`
[INFO] [stdout]    --> src/memenv.rs:623:34
[INFO] [stdout]     |
[INFO] [stdout] 623 |     pub fn delete_dir(&mut self, dirname: &String) -> crate::Status {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dirname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         fname:     &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_size`
[INFO] [stdout]    --> src/memenv.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         file_size: *mut u64) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/memenv.rs:648:9
[INFO] [stdout]     |
[INFO] [stdout] 648 |         src:    &String,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/memenv.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 |         target: &String) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |         fname: &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/memenv.rs:667:9
[INFO] [stdout]     |
[INFO] [stdout] 667 |         lock:  *mut *mut dyn FileLock) -> crate::Status {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/memenv.rs:676:35
[INFO] [stdout]     |
[INFO] [stdout] 676 |     pub fn unlock_file(&mut self, lock: *mut dyn FileLock) -> crate::Status {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/memenv.rs:685:42
[INFO] [stdout]     |
[INFO] [stdout] 685 |     pub fn get_test_directory(&mut self, path: *mut String) -> crate::Status {
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:695:9
[INFO] [stdout]     |
[INFO] [stdout] 695 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:696:9
[INFO] [stdout]     |
[INFO] [stdout] 696 |         result: *mut *mut dyn Logger) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_env`
[INFO] [stdout]    --> src/memenv.rs:713:20
[INFO] [stdout]     |
[INFO] [stdout] 713 | pub fn new_mem_env(base_env: Rc<RefCell<dyn Env>>) -> Rc<RefCell<dyn Env>> {
[INFO] [stdout]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]  --> src/leveldb_helpers_memenv_memenv_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MemEnvTest {
[INFO] [stdout]   |        ---------- field in this struct
[INFO] [stdout] 6 |     env: Rc<RefCell<dyn Env>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argc`
[INFO] [stdout]    --> src/leveldb_helpers_memenv_memenv_test.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         argc: i32,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testleveldb_helpers_memenv_memenv_test_main` is never used
[INFO] [stdout]    --> src/leveldb_helpers_memenv_memenv_test.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn testleveldb_helpers_memenv_memenv_test_main (
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `refs_mutex` and `blocks_mutex` are never read
[INFO] [stdout]  --> src/memenv.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FileState {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 8 |     refs_mutex:   Mutex<FileStateRefs>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     blocks_mutex: RefCell<Mutex<FileStateBlocks>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]    --> src/leveldb_helpers_memenv_memenv_test.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         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: field `refs` is never read
[INFO] [stdout]   --> src/memenv.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct FileStateRefs {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 16 |     refs: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `blocks` and `size` are never read
[INFO] [stdout]   --> src/memenv.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FileStateBlocks {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 21 |     blocks: Vec<*mut u8>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     size:   u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file` and `pos` are never read
[INFO] [stdout]    --> src/memenv.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct SequentialFileImpl {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 204 |     file: *mut FileState,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 205 |     pos:  u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/memenv.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         offset:  u64,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]    --> src/memenv.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub struct RandomAccessFileImpl {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 283 |     file: *mut FileState,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]    --> src/memenv.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub struct WritableFileImpl {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 338 |     file: *mut FileState,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         n:       usize,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base` and `mutex` are never read
[INFO] [stdout]    --> src/memenv.rs:433:5
[INFO] [stdout]     |
[INFO] [stdout] 432 | pub struct InMemoryEnv {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 433 |     base:     EnvWrapper,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 434 |     mutex:    Mutex<in_memory_env::Inner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         result:  *mut Slice,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_map` is never read
[INFO] [stdout]    --> src/memenv.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |     pub struct Inner {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 441 |         file_map: FileSystem,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scratch`
[INFO] [stdout]    --> src/memenv.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         scratch: *mut u8) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scratch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/memenv.rs:152:30
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn append(&mut self, data: &Slice) -> crate::Status {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         n:       usize,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         result:  *mut Slice,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scratch`
[INFO] [stdout]    --> src/memenv.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         scratch: *mut u8) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scratch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn skip(&mut self, n: u64) -> crate::Status {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/memenv.rs:269:16
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn new(file: *mut FileState) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/memenv.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         offset:  u64,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/memenv.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         n:       usize,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         result:  *mut Slice,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scratch`
[INFO] [stdout]    --> src/memenv.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         scratch: *mut u8) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scratch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/memenv.rs:325:16
[INFO] [stdout]     |
[INFO] [stdout] 325 |     pub fn new(file: *mut FileState) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/memenv.rs:365:16
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub fn new(file: *mut FileState) -> Self {
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/memenv.rs:378:26
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn append(&mut self, data: &Slice) -> crate::Status {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]    --> src/memenv.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         format: *const u8,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ap`
[INFO] [stdout]    --> src/memenv.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         ap:     &[&str])  { }
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_env`
[INFO] [stdout]    --> src/memenv.rs:465:16
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub fn new(base_env: Rc<RefCell<dyn Env>>) -> Self {
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         result: *mut Rc<RefCell<dyn SequentialFile>>) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         result: *mut *mut dyn RandomAccessFile) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:515:9
[INFO] [stdout]     |
[INFO] [stdout] 515 |         result: *mut *mut dyn WritableFile) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         result: *mut *mut dyn WritableFile) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:556:35
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn file_exists(&mut self, fname: &String) -> bool {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]    --> src/memenv.rs:566:9
[INFO] [stdout]     |
[INFO] [stdout] 566 |         dir:    &String,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:567:9
[INFO] [stdout]     |
[INFO] [stdout] 567 |         result: *mut Vec<String>) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:588:44
[INFO] [stdout]     |
[INFO] [stdout] 588 |     pub fn delete_file_internal(&mut self, fname: &String)  {
[INFO] [stdout]     |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:601:35
[INFO] [stdout]     |
[INFO] [stdout] 601 |     pub fn delete_file(&mut self, fname: &String) -> crate::Status {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirname`
[INFO] [stdout]    --> src/memenv.rs:615:34
[INFO] [stdout]     |
[INFO] [stdout] 615 |     pub fn create_dir(&mut self, dirname: &String) -> crate::Status {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dirname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dirname`
[INFO] [stdout]    --> src/memenv.rs:623:34
[INFO] [stdout]     |
[INFO] [stdout] 623 |     pub fn delete_dir(&mut self, dirname: &String) -> crate::Status {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dirname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         fname:     &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_size`
[INFO] [stdout]    --> src/memenv.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |         file_size: *mut u64) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]    --> src/memenv.rs:648:9
[INFO] [stdout]     |
[INFO] [stdout] 648 |         src:    &String,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/memenv.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 |         target: &String) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |         fname: &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/memenv.rs:667:9
[INFO] [stdout]     |
[INFO] [stdout] 667 |         lock:  *mut *mut dyn FileLock) -> crate::Status {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]    --> src/memenv.rs:676:35
[INFO] [stdout]     |
[INFO] [stdout] 676 |     pub fn unlock_file(&mut self, lock: *mut dyn FileLock) -> crate::Status {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/memenv.rs:685:42
[INFO] [stdout]     |
[INFO] [stdout] 685 |     pub fn get_test_directory(&mut self, path: *mut String) -> crate::Status {
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fname`
[INFO] [stdout]    --> src/memenv.rs:695:9
[INFO] [stdout]     |
[INFO] [stdout] 695 |         fname:  &String,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_fname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/memenv.rs:696:9
[INFO] [stdout]     |
[INFO] [stdout] 696 |         result: *mut *mut dyn Logger) -> crate::Status {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_env`
[INFO] [stdout]    --> src/memenv.rs:713:20
[INFO] [stdout]     |
[INFO] [stdout] 713 | pub fn new_mem_env(base_env: Rc<RefCell<dyn Env>>) -> Rc<RefCell<dyn Env>> {
[INFO] [stdout]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env` is never read
[INFO] [stdout]  --> src/leveldb_helpers_memenv_memenv_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MemEnvTest {
[INFO] [stdout]   |        ---------- field in this struct
[INFO] [stdout] 6 |     env: Rc<RefCell<dyn Env>>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testleveldb_helpers_memenv_memenv_test_main` is never used
[INFO] [stdout]    --> src/leveldb_helpers_memenv_memenv_test.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn testleveldb_helpers_memenv_memenv_test_main (
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `refs_mutex` and `blocks_mutex` are never read
[INFO] [stdout]  --> src/memenv.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FileState {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 8 |     refs_mutex:   Mutex<FileStateRefs>,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 9 |     blocks_mutex: RefCell<Mutex<FileStateBlocks>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `refs` is never read
[INFO] [stdout]   --> src/memenv.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct FileStateRefs {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 16 |     refs: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `blocks` and `size` are never read
[INFO] [stdout]   --> src/memenv.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FileStateBlocks {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 21 |     blocks: Vec<*mut u8>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 22 |     size:   u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file` and `pos` are never read
[INFO] [stdout]    --> src/memenv.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub struct SequentialFileImpl {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 204 |     file: *mut FileState,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 205 |     pos:  u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]    --> src/memenv.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub struct RandomAccessFileImpl {
[INFO] [stdout]     |            -------------------- field in this struct
[INFO] [stdout] 283 |     file: *mut FileState,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]    --> src/memenv.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub struct WritableFileImpl {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 338 |     file: *mut FileState,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base` and `mutex` are never read
[INFO] [stdout]    --> src/memenv.rs:433:5
[INFO] [stdout]     |
[INFO] [stdout] 432 | pub struct InMemoryEnv {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 433 |     base:     EnvWrapper,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 434 |     mutex:    Mutex<in_memory_env::Inner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file_map` is never read
[INFO] [stdout]    --> src/memenv.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |     pub struct Inner {
[INFO] [stdout]     |                ----- field in this struct
[INFO] [stdout] 441 |         file_map: FileSystem,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.00s
[INFO] running `Command { std: "docker" "inspect" "b460c201acaa4fbbf7fa2fb29c756bdf8ba9e99f13c83fd970538a4f07730bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b460c201acaa4fbbf7fa2fb29c756bdf8ba9e99f13c83fd970538a4f07730bea", kill_on_drop: false }`
[INFO] [stdout] b460c201acaa4fbbf7fa2fb29c756bdf8ba9e99f13c83fd970538a4f07730bea
