[INFO] crate rusty-leveldb 0.2.6 is already in cache
[INFO] extracting crate rusty-leveldb 0.2.6 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rusty-leveldb/0.2.6
[INFO] extracting crate rusty-leveldb 0.2.6 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rusty-leveldb/0.2.6
[INFO] validating manifest of rusty-leveldb-0.2.6 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rusty-leveldb-0.2.6 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rusty-leveldb-0.2.6
[INFO] finished frobbing rusty-leveldb-0.2.6
[INFO] frobbed toml for rusty-leveldb-0.2.6 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rusty-leveldb/0.2.6/Cargo.toml
[INFO] started frobbing rusty-leveldb-0.2.6
[INFO] finished frobbing rusty-leveldb-0.2.6
[INFO] frobbed toml for rusty-leveldb-0.2.6 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rusty-leveldb/0.2.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rusty-leveldb-0.2.6 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rusty-leveldb/0.2.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 96b068fb629085a21a13c26d05ed2831d70e12e4655154f0d231e256a41459e9
[INFO] running `"docker" "start" "-a" "96b068fb629085a21a13c26d05ed2831d70e12e4655154f0d231e256a41459e9"`
[INFO] [stderr]     Checking time-test v0.2.1
[INFO] [stderr]     Checking rusty-leveldb v0.2.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/cmp.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | type WrappedCmp = Rc<Box<Cmp>>;
[INFO] [stderr]   |                          ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmp.rs:108:38
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct InternalKeyCmp(pub Rc<Box<Cmp>>);
[INFO] [stderr]     |                                      ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmp.rs:157:38
[INFO] [stderr]     |
[INFO] [stderr] 157 | pub struct MemtableKeyCmp(pub Rc<Box<Cmp>>);
[INFO] [stderr]     |                                      ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:44:60
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn open_sequential_file(&self, p: &Path) -> Result<Box<Read>> {
[INFO] [stderr]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:52:63
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn open_random_access_file(&self, p: &Path) -> Result<Box<RandomAccess>> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let b: Box<RandomAccess> = Box::new(f);
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:62:58
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn open_writable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:72:60
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn open_appendable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Ok((self as &FileExt).read_at(dst, off as u64)?)
[INFO] [stderr]    |                      ^^^^^^^ help: use `dyn`: `dyn FileExt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:26:57
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn open_sequential_file(&self, &Path) -> Result<Box<Read>>;
[INFO] [stderr]    |                                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:27:60
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn open_random_access_file(&self, &Path) -> Result<Box<RandomAccess>>;
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:28:55
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn open_writable_file(&self, &Path) -> Result<Box<Write>>;
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:29:57
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn open_appendable_file(&self, &Path) -> Result<Box<Write>>;
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     dst: Box<Write>,
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(w: Box<Write>) -> Logger {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filter.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type BoxedFilterPolicy = Rc<Box<FilterPolicy>>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FilterPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/infolog.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Logger(pub Box<Write>);
[INFO] [stderr]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/key_types.rs:155:40
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub fn cmp_memtable_key<'a, 'b>(ucmp: &Cmp, a: MemtableKey<'a>, b: MemtableKey<'b>) -> Ordering {
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/key_types.rs:188:40
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub fn cmp_internal_key<'a, 'b>(ucmp: &Cmp, a: InternalKey<'a>, b: InternalKey<'b>) -> Ordering {
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:161:76
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn open_w(&self, p: &Path, append: bool, truncate: bool) -> Result<Box<Write>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:284:60
[INFO] [stderr]     |
[INFO] [stderr] 284 |     fn open_sequential_file(&self, p: &Path) -> Result<Box<Read>> {
[INFO] [stderr]     |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:288:63
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn open_random_access_file(&self, p: &Path) -> Result<Box<RandomAccess>> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:291:41
[INFO] [stderr]     |
[INFO] [stderr] 291 |             .map(|m| Box::new(m) as Box<RandomAccess>)
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:293:58
[INFO] [stderr]     |
[INFO] [stderr] 293 |     fn open_writable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:296:60
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn open_appendable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]     |                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memtable.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(cmp: Rc<Box<Cmp>>) -> MemTable {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memtable.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new_raw(cmp: Rc<Box<Cmp>>) -> MemTable {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     iters: Vec<Box<LdbIterator>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(cmp: Rc<Box<Cmp>>, iters: Vec<Box<LdbIterator>>) -> MergingIter {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:28:50
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(cmp: Rc<Box<Cmp>>, iters: Vec<Box<LdbIterator>>) -> MergingIter {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                     ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub env: Rc<Box<Env>>,
[INFO] [stderr]    |                     ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skipmap.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skipmap.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new_memtable_map(cmp: Rc<Box<Cmp>>) -> SkipMap {
[INFO] [stderr]    |                                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skipmap.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(cmp: Rc<Box<Cmp>>) -> SkipMap {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_block.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn read_bytes(f: &RandomAccess, location: &BlockHandle) -> Result<Vec<u8>> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_block.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |     src: &RandomAccess,
[INFO] [stderr]    |           ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_block.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn read_table_block(opt: Options, f: &RandomAccess, location: &BlockHandle) -> Result<Block> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn read_footer(f: &RandomAccess, size: usize) -> Result<Footer> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     file: Rc<Box<RandomAccess>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:42:43
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn new_raw(opt: Options, file: Rc<Box<RandomAccess>>, size: usize) -> Result<Table> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         file: &RandomAccess,
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:99:47
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn new(mut opt: Options, file: Rc<Box<RandomAccess>>, size: usize) -> Result<Table> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl LdbIterator for Box<LdbIterator> {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/version.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     user_cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                      ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/version.rs:35:56
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new(cache: Shared<TableCache>, ucmp: Rc<Box<Cmp>>) -> Version {
[INFO] [stderr]    |                                                        ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:363:47
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn new_iters(&self) -> Result<Vec<Box<LdbIterator>>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:364:32
[INFO] [stderr]     |
[INFO] [stderr] 364 |         let mut iters: Vec<Box<LdbIterator>> = vec![];
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:389:18
[INFO] [stderr]     |
[INFO] [stderr] 389 |     ucmp: Rc<Box<Cmp>>,
[INFO] [stderr]     |                  ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/version_set.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:184:42
[INFO] [stderr]     |
[INFO] [stderr] 184 |     descriptor_log: Option<LogWriter<Box<Write>>>,
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:708:62
[INFO] [stderr]     |
[INFO] [stderr] 708 |     pub fn make_input_iterator(&self, c: &Compaction) -> Box<LdbIterator> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:710:32
[INFO] [stderr]     |
[INFO] [stderr] 710 |         let mut iters: Vec<Box<LdbIterator>> = Vec::with_capacity(cap);
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:741:25
[INFO] [stderr]     |
[INFO] [stderr] 741 |         let cmp: Rc<Box<Cmp>> = Rc::new(Box::new(self.cmp.clone()));
[INFO] [stderr]     |                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:868:36
[INFO] [stderr]     |
[INFO] [stderr] 868 | pub fn read_current_file(env: &Box<Env>, dbname: &Path) -> Result<String> {
[INFO] [stderr]     |                                    ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:882:15
[INFO] [stderr]     |
[INFO] [stderr] 882 |     env: &Box<Env>,
[INFO] [stderr]     |               ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_impl.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |     internal_cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_impl.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 |     log: Option<LogWriter<BufWriter<Box<Write>>>>,
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 |         let cmp: Rc<Box<Cmp>> = self.opt.cmp.clone();
[INFO] [stderr]     |                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:499:32
[INFO] [stderr]     |
[INFO] [stderr] 499 |         let mut iters: Vec<Box<LdbIterator>> = vec![];
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:945:38
[INFO] [stderr]     |
[INFO] [stderr] 945 |     builder: Option<TableBuilder<Box<Write>>>,
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:966:53
[INFO] [stderr]     |
[INFO] [stderr] 966 |     fn cleanup<P: AsRef<Path>>(&mut self, env: &Box<Env>, name: P) {
[INFO] [stderr]     |                                                     ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_iter.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_iter.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |         cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                     ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/cmp.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | type WrappedCmp = Rc<Box<Cmp>>;
[INFO] [stderr]   |                          ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmp.rs:108:38
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct InternalKeyCmp(pub Rc<Box<Cmp>>);
[INFO] [stderr]     |                                      ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmp.rs:157:38
[INFO] [stderr]     |
[INFO] [stderr] 157 | pub struct MemtableKeyCmp(pub Rc<Box<Cmp>>);
[INFO] [stderr]     |                                      ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:44:60
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn open_sequential_file(&self, p: &Path) -> Result<Box<Read>> {
[INFO] [stderr]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:52:63
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn open_random_access_file(&self, p: &Path) -> Result<Box<RandomAccess>> {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let b: Box<RandomAccess> = Box::new(f);
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:62:58
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn open_writable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/disk_env.rs:72:60
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn open_appendable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |         Ok((self as &FileExt).read_at(dst, off as u64)?)
[INFO] [stderr]    |                      ^^^^^^^ help: use `dyn`: `dyn FileExt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:26:57
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn open_sequential_file(&self, &Path) -> Result<Box<Read>>;
[INFO] [stderr]    |                                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:27:60
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn open_random_access_file(&self, &Path) -> Result<Box<RandomAccess>>;
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:28:55
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn open_writable_file(&self, &Path) -> Result<Box<Write>>;
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:29:57
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn open_appendable_file(&self, &Path) -> Result<Box<Write>>;
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     dst: Box<Write>,
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/env.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(w: Box<Write>) -> Logger {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filter.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type BoxedFilterPolicy = Rc<Box<FilterPolicy>>;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn FilterPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/infolog.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Logger(pub Box<Write>);
[INFO] [stderr]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/key_types.rs:155:40
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub fn cmp_memtable_key<'a, 'b>(ucmp: &Cmp, a: MemtableKey<'a>, b: MemtableKey<'b>) -> Ordering {
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/key_types.rs:188:40
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub fn cmp_internal_key<'a, 'b>(ucmp: &Cmp, a: InternalKey<'a>, b: InternalKey<'b>) -> Ordering {
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:161:76
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn open_w(&self, p: &Path, append: bool, truncate: bool) -> Result<Box<Write>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:284:60
[INFO] [stderr]     |
[INFO] [stderr] 284 |     fn open_sequential_file(&self, p: &Path) -> Result<Box<Read>> {
[INFO] [stderr]     |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:288:63
[INFO] [stderr]     |
[INFO] [stderr] 288 |     fn open_random_access_file(&self, p: &Path) -> Result<Box<RandomAccess>> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:291:41
[INFO] [stderr]     |
[INFO] [stderr] 291 |             .map(|m| Box::new(m) as Box<RandomAccess>)
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:293:58
[INFO] [stderr]     |
[INFO] [stderr] 293 |     fn open_writable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mem_env.rs:296:60
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn open_appendable_file(&self, p: &Path) -> Result<Box<Write>> {
[INFO] [stderr]     |                                                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memtable.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(cmp: Rc<Box<Cmp>>) -> MemTable {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/memtable.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new_raw(cmp: Rc<Box<Cmp>>) -> MemTable {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     iters: Vec<Box<LdbIterator>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:28:28
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(cmp: Rc<Box<Cmp>>, iters: Vec<Box<LdbIterator>>) -> MergingIter {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merging_iter.rs:28:50
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(cmp: Rc<Box<Cmp>>, iters: Vec<Box<LdbIterator>>) -> MergingIter {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                     ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub env: Rc<Box<Env>>,
[INFO] [stderr]    |                     ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skipmap.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skipmap.rs:42:41
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new_memtable_map(cmp: Rc<Box<Cmp>>) -> SkipMap {
[INFO] [stderr]    |                                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/skipmap.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(cmp: Rc<Box<Cmp>>) -> SkipMap {
[INFO] [stderr]    |                            ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/skipmap.rs:478:25
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let cmp: Rc<Box<Cmp>> = Rc::new(Box::new(MemtableKeyCmp(options::for_test().cmp)));
[INFO] [stderr]     |                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_block.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn read_bytes(f: &RandomAccess, location: &BlockHandle) -> Result<Vec<u8>> {
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_block.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |     src: &RandomAccess,
[INFO] [stderr]    |           ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_block.rs:40:43
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn read_table_block(opt: Options, f: &RandomAccess, location: &BlockHandle) -> Result<Block> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn read_footer(f: &RandomAccess, size: usize) -> Result<Footer> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     file: Rc<Box<RandomAccess>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:42:43
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn new_raw(opt: Options, file: Rc<Box<RandomAccess>>, size: usize) -> Result<Table> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         file: &RandomAccess,
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/table_reader.rs:99:47
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn new(mut opt: Options, file: Rc<Box<RandomAccess>>, size: usize) -> Result<Table> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table_reader.rs:445:44
[INFO] [stderr]     |
[INFO] [stderr] 445 |     fn wrap_buffer(src: Vec<u8>) -> Rc<Box<RandomAccess>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn RandomAccess`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 | impl LdbIterator for Box<LdbIterator> {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/version.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     user_cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                      ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/version.rs:35:56
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new(cache: Shared<TableCache>, ucmp: Rc<Box<Cmp>>) -> Version {
[INFO] [stderr]    |                                                        ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:363:47
[INFO] [stderr]     |
[INFO] [stderr] 363 |     pub fn new_iters(&self) -> Result<Vec<Box<LdbIterator>>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:364:32
[INFO] [stderr]     |
[INFO] [stderr] 364 |         let mut iters: Vec<Box<LdbIterator>> = vec![];
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:389:18
[INFO] [stderr]     |
[INFO] [stderr] 389 |     ucmp: Rc<Box<Cmp>>,
[INFO] [stderr]     |                  ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version.rs:605:18
[INFO] [stderr]     |
[INFO] [stderr] 605 |         me: &Box<Env>,
[INFO] [stderr]     |                  ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/version_set.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:184:42
[INFO] [stderr]     |
[INFO] [stderr] 184 |     descriptor_log: Option<LogWriter<Box<Write>>>,
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:708:62
[INFO] [stderr]     |
[INFO] [stderr] 708 |     pub fn make_input_iterator(&self, c: &Compaction) -> Box<LdbIterator> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:710:32
[INFO] [stderr]     |
[INFO] [stderr] 710 |         let mut iters: Vec<Box<LdbIterator>> = Vec::with_capacity(cap);
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:741:25
[INFO] [stderr]     |
[INFO] [stderr] 741 |         let cmp: Rc<Box<Cmp>> = Rc::new(Box::new(self.cmp.clone()));
[INFO] [stderr]     |                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:868:36
[INFO] [stderr]     |
[INFO] [stderr] 868 | pub fn read_current_file(env: &Box<Env>, dbname: &Path) -> Result<String> {
[INFO] [stderr]     |                                    ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/version_set.rs:882:15
[INFO] [stderr]     |
[INFO] [stderr] 882 |     env: &Box<Env>,
[INFO] [stderr]     |               ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/version_set.rs:1212:81
[INFO] [stderr]      |
[INFO] [stderr] 1212 |     fn iterator_properties<It: LdbIterator>(mut it: It, len: usize, cmp: Rc<Box<Cmp>>) {
[INFO] [stderr]      |                                                                                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_impl.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |     internal_cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_impl.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 |     log: Option<LogWriter<BufWriter<Box<Write>>>>,
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 |         let cmp: Rc<Box<Cmp>> = self.opt.cmp.clone();
[INFO] [stderr]     |                         ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:499:32
[INFO] [stderr]     |
[INFO] [stderr] 499 |         let mut iters: Vec<Box<LdbIterator>> = vec![];
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn LdbIterator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:945:38
[INFO] [stderr]     |
[INFO] [stderr] 945 |     builder: Option<TableBuilder<Box<Write>>>,
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/db_impl.rs:966:53
[INFO] [stderr]     |
[INFO] [stderr] 966 |     fn cleanup<P: AsRef<Path>>(&mut self, env: &Box<Env>, name: P) {
[INFO] [stderr]     |                                                     ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/db_impl.rs:1627:22
[INFO] [stderr]      |
[INFO] [stderr] 1627 |         let env: Box<Env> = Box::new(MemEnv::new());
[INFO] [stderr]      |                      ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_iter.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                 ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/db_iter.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |         cmp: Rc<Box<Cmp>>,
[INFO] [stderr]    |                     ^^^ help: use `dyn`: `dyn Cmp`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rusty_leveldb::SkipMap`
[INFO] [stderr]   --> src/benches/maps_bench.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use rusty_leveldb::SkipMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^-------
[INFO] [stderr]    |     |              |
[INFO] [stderr]    |     |              help: a similar name exists in the module: `skipmap`
[INFO] [stderr]    |     no `SkipMap` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/benches/maps_bench.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_ascii_chars` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/benches/maps_bench.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut gen = gen.gen_ascii_chars();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_ascii_chars` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/benches/maps_bench.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut gen = gen.gen_ascii_chars();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_ascii_chars` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/benches/maps_bench.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let mut gen = gen.gen_ascii_chars();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rusty-leveldb`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "96b068fb629085a21a13c26d05ed2831d70e12e4655154f0d231e256a41459e9"`
[INFO] running `"docker" "rm" "-f" "96b068fb629085a21a13c26d05ed2831d70e12e4655154f0d231e256a41459e9"`
[INFO] [stdout] 96b068fb629085a21a13c26d05ed2831d70e12e4655154f0d231e256a41459e9