[INFO] fetching crate patricia-trie 0.3.0...
[INFO] building patricia-trie-0.3.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate patricia-trie 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate patricia-trie 0.3.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate patricia-trie 0.3.0
[INFO] finished tweaking crates.io crate patricia-trie 0.3.0
[INFO] tweaked toml for crates.io crate patricia-trie 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e87a8c50d1388a8ae6137622daf9b0526eb39d1e6b278184ef2b89e27f9c362a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e87a8c50d1388a8ae6137622daf9b0526eb39d1e6b278184ef2b89e27f9c362a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87a8c50d1388a8ae6137622daf9b0526eb39d1e6b278184ef2b89e27f9c362a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87a8c50d1388a8ae6137622daf9b0526eb39d1e6b278184ef2b89e27f9c362a", kill_on_drop: false }`
[INFO] [stdout] e87a8c50d1388a8ae6137622daf9b0526eb39d1e6b278184ef2b89e27f9c362a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65b910c776edabfbe0ced5757ad5ac519898cf68cf98b17dc571a8b805d7f13c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "65b910c776edabfbe0ced5757ad5ac519898cf68cf98b17dc571a8b805d7f13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling parity-bytes v0.1.2
[INFO] [stderr]    Compiling hashdb v0.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling elastic-array v0.10.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling patricia-trie v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 |     db: &'db HashDB<H, DBValue>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:89:31
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn db(&'db self) -> &'db HashDB<H, DBValue> { self.db }
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedb.rs:132:38
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item=TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item=TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedbmut.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |         db: &HashDB<H, DBValue>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn from_encoded<C, H>(data: &[u8], db: &HashDB<H, DBValue>, storage: &mut NodeStorage<H::Out>) -> Self
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:299:14
[INFO] [stdout]     |
[INFO] [stdout] 299 |     db: &'a mut HashDB<H, DBValue>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn new(db: &'a mut HashDB<H, DBValue>, root: &'a mut H::Out) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:332:35
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn from_existing(db: &'a mut HashDB<H, DBValue>, root: &'a mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:349:23
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn db(&self) -> &HashDB<H, DBValue> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:354:35
[INFO] [stdout]     |
[INFO] [stdout] 354 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/triedbmut.rs:728:6
[INFO] [stdout]     |
[INFO] [stdout] 728 |                 };
[INFO] [stdout]     |                  ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedb.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedb.rs:75:38
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn from_existing(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn db(&self) -> &HashDB<H, DBValue> { self.raw.db() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> { self.raw.db_mut() }
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn db(&self) -> &HashDB<H, DBValue> { self.raw.db() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, <H as Hasher>::Out, C::Error> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:48:36
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn from_existing(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn db(&self) -> &HashDB<H, DBValue> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lookup.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub db: &'a HashDB<H, DBValue>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:182:38
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error >> + 'a>, H::Out, C::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error >> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:282:38
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 |         db: &'db HashDB<H, DBValue>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:311:36
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn create(&self, db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Box<TrieMut<H, C> + 'db> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:311:86
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn create(&self, db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Box<TrieMut<H, C> + 'db> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieMut<H, C> + 'db`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:322:16
[INFO] [stdout]     |
[INFO] [stdout] 322 |         db: &'db mut HashDB<H, DBValue>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |     ) -> Result<Box<TrieMut<H,C> + 'db>, H::Out, <C as NodeCodec<H>>::Error> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieMut<H,C> + 'db`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 |             TrieError::DecoderError(_, ref err) => err.description(),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.56s
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65b910c776edabfbe0ced5757ad5ac519898cf68cf98b17dc571a8b805d7f13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b910c776edabfbe0ced5757ad5ac519898cf68cf98b17dc571a8b805d7f13c", kill_on_drop: false }`
[INFO] [stdout] 65b910c776edabfbe0ced5757ad5ac519898cf68cf98b17dc571a8b805d7f13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c8c613ebe53f6d9ce199fd0d4bcec1c22b1c84577658db2df38e3786d55048c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c8c613ebe53f6d9ce199fd0d4bcec1c22b1c84577658db2df38e3786d55048c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling plain_hasher v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hashdb v0.2.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 |     db: &'db HashDB<H, DBValue>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:89:31
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn db(&'db self) -> &'db HashDB<H, DBValue> { self.db }
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedb.rs:132:38
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item=TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item=TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedbmut.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |         db: &HashDB<H, DBValue>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn from_encoded<C, H>(data: &[u8], db: &HashDB<H, DBValue>, storage: &mut NodeStorage<H::Out>) -> Self
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:299:14
[INFO] [stdout]     |
[INFO] [stdout] 299 |     db: &'a mut HashDB<H, DBValue>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn new(db: &'a mut HashDB<H, DBValue>, root: &'a mut H::Out) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:332:35
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn from_existing(db: &'a mut HashDB<H, DBValue>, root: &'a mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:349:23
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn db(&self) -> &HashDB<H, DBValue> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:354:35
[INFO] [stdout]     |
[INFO] [stdout] 354 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/triedbmut.rs:728:6
[INFO] [stdout]     |
[INFO] [stdout] 728 |                 };
[INFO] [stdout]     |                  ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedb.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedb.rs:75:38
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn from_existing(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn db(&self) -> &HashDB<H, DBValue> { self.raw.db() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> { self.raw.db_mut() }
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn db(&self) -> &HashDB<H, DBValue> { self.raw.db() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, <H as Hasher>::Out, C::Error> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:48:36
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn from_existing(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn db(&self) -> &HashDB<H, DBValue> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lookup.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub db: &'a HashDB<H, DBValue>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:182:38
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error >> + 'a>, H::Out, C::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error >> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:282:38
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 |         db: &'db HashDB<H, DBValue>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:311:36
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn create(&self, db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Box<TrieMut<H, C> + 'db> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:311:86
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn create(&self, db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Box<TrieMut<H, C> + 'db> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieMut<H, C> + 'db`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:322:16
[INFO] [stdout]     |
[INFO] [stdout] 322 |         db: &'db mut HashDB<H, DBValue>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |     ) -> Result<Box<TrieMut<H,C> + 'db>, H::Out, <C as NodeCodec<H>>::Error> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieMut<H,C> + 'db`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:106:47
[INFO] [stdout]     |
[INFO] [stdout] 106 |             TrieError::DecoderError(_, ref err) => err.description(),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling patricia-trie v0.2.2
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling rlp v0.3.0
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling triehash v0.3.0
[INFO] [stderr]    Compiling memorydb v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling ethbloom v0.5.3
[INFO] [stderr]    Compiling ethereum-types v0.4.2
[INFO] [stderr]    Compiling rlp v0.2.4
[INFO] [stderr]    Compiling keccak-hasher v0.1.1
[INFO] [stderr]    Compiling keccak-hash v0.1.2
[INFO] [stderr]    Compiling trie-standardmap v0.1.1
[INFO] [stderr]    Compiling patricia-trie-ethereum v0.1.0
[INFO] [stderr]    Compiling patricia-trie v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:66:11
[INFO] [stdout]    |
[INFO] [stdout] 66 |     db: &'db HashDB<H, DBValue>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedb.rs:89:31
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn db(&'db self) -> &'db HashDB<H, DBValue> { self.db }
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedb.rs:132:38
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item=TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item=TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/triedbmut.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |         db: &HashDB<H, DBValue>,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn from_encoded<C, H>(data: &[u8], db: &HashDB<H, DBValue>, storage: &mut NodeStorage<H::Out>) -> Self
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:299:14
[INFO] [stdout]     |
[INFO] [stdout] 299 |     db: &'a mut HashDB<H, DBValue>,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:315:25
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn new(db: &'a mut HashDB<H, DBValue>, root: &'a mut H::Out) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:332:35
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn from_existing(db: &'a mut HashDB<H, DBValue>, root: &'a mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:349:23
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn db(&self) -> &HashDB<H, DBValue> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:354:35
[INFO] [stdout]     |
[INFO] [stdout] 354 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/triedbmut.rs:728:6
[INFO] [stdout]     |
[INFO] [stdout] 728 |                 };
[INFO] [stdout]     |                  ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/triedbmut.rs:988:16
[INFO] [stdout]     |
[INFO] [stdout] 988 |         db: &'db mut HashDB<KeccakHasher, DBValue>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<KeccakHasher, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedb.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedb.rs:75:38
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:47:36
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn from_existing(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn db(&self) -> &HashDB<H, DBValue> { self.raw.db() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sectriedbmut.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> { self.raw.db_mut() }
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(db: &'db HashDB<H, DBValue>, root: &'db H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn db(&self) -> &HashDB<H, DBValue> { self.raw.db() }
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdb.rs:66:38
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, <H as Hasher>::Out, C::Error> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:48:36
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn from_existing(db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Result<Self, H::Out, C::Error> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn db(&self) -> &HashDB<H, DBValue> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fatdbmut.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn db_mut(&mut self) -> &mut HashDB<H, DBValue> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lookup.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub db: &'a HashDB<H, DBValue>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:182:38
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error >> + 'a>, H::Out, C::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error >> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:282:38
[INFO] [stdout]     |
[INFO] [stdout] 282 |     fn iter<'a>(&'a self) -> Result<Box<TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a>, H::Out, C::Error> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieIterator<H, C, Item = TrieItem<H::Out, C::Error>> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:300:12
[INFO] [stdout]     |
[INFO] [stdout] 300 |         db: &'db HashDB<H, DBValue>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:311:36
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn create(&self, db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Box<TrieMut<H, C> + 'db> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:311:86
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn create(&self, db: &'db mut HashDB<H, DBValue>, root: &'db mut H::Out) -> Box<TrieMut<H, C> + 'db> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieMut<H, C> + 'db`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:322:16
[INFO] [stdout]     |
[INFO] [stdout] 322 |         db: &'db mut HashDB<H, DBValue>,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, DBValue>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |     ) -> Result<Box<TrieMut<H,C> + 'db>, H::Out, <C as NodeCodec<H>>::Error> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TrieMut<H,C> + 'db`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `H: hashdb::Hasher` is not satisfied
[INFO] [stdout]    --> src/triedbmut.rs:995:6
[INFO] [stdout]     |
[INFO] [stdout] 995 |         C: NodeCodec<H>,
[INFO] [stdout]     |            ^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `H`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/patricia-trie-0.2.2/src/node_codec.rs:27:24
[INFO] [stdout]     |
[INFO] [stdout] 27  | pub trait NodeCodec<H: Hasher>: Sized {
[INFO] [stdout]     |                        ------ required by this bound in `ethtrie::patricia_trie::NodeCodec`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 993 |         H: Hasher + hashdb::Hasher,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `patricia-trie`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5c8c613ebe53f6d9ce199fd0d4bcec1c22b1c84577658db2df38e3786d55048c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8c613ebe53f6d9ce199fd0d4bcec1c22b1c84577658db2df38e3786d55048c", kill_on_drop: false }`
[INFO] [stdout] 5c8c613ebe53f6d9ce199fd0d4bcec1c22b1c84577658db2df38e3786d55048c
