[INFO] fetching crate ord-lmdb-rs 0.7.7...
[INFO] testing ord-lmdb-rs-0.7.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate ord-lmdb-rs 0.7.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ord-lmdb-rs 0.7.7
[INFO] finished tweaking crates.io crate ord-lmdb-rs 0.7.7
[INFO] tweaked toml for crates.io crate ord-lmdb-rs 0.7.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ord-lmdb-rs 0.7.7 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ord-lmdb-rs 0.7.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65cf3008743c6a09880ce7ed9e4cd17efa072d2141178a9cf2fee78b4e3a5752
[INFO] running `Command { std: "docker" "start" "-a" "65cf3008743c6a09880ce7ed9e4cd17efa072d2141178a9cf2fee78b4e3a5752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65cf3008743c6a09880ce7ed9e4cd17efa072d2141178a9cf2fee78b4e3a5752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cf3008743c6a09880ce7ed9e4cd17efa072d2141178a9cf2fee78b4e3a5752", kill_on_drop: false }`
[INFO] [stdout] 65cf3008743c6a09880ce7ed9e4cd17efa072d2141178a9cf2fee78b4e3a5752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d42bc0de958dec2043e55f9b1a5486b857944163f2dcbf22ff04bc933b9a44
[INFO] running `Command { std: "docker" "start" "-a" "c5d42bc0de958dec2043e55f9b1a5486b857944163f2dcbf22ff04bc933b9a44", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling ord-liblmdb-sys v0.2.3
[INFO] [stderr]    Compiling ord-lmdb-rs v0.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `assert_state_not`
[INFO] [stdout]    --> src/core.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 | macro_rules! assert_state_not {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! {
[INFO] [stdout] 180 | |     #[doc = "A set of environment flags which could be changed after opening"]
[INFO] [stdout] 181 | |
[INFO] [stdout] 182 | |     pub flags EnvFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! {
[INFO] [stdout] 180 | |     #[doc = "A set of environment flags which could be changed after opening"]
[INFO] [stdout] 181 | |
[INFO] [stdout] 182 | |     pub flags EnvFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / bitflags! {
[INFO] [stdout] 245 | |     #[doc = "A set of all environment flags"]
[INFO] [stdout] 246 | |
[INFO] [stdout] 247 | |     pub flags EnvCreateFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / bitflags! {
[INFO] [stdout] 245 | |     #[doc = "A set of all environment flags"]
[INFO] [stdout] 246 | |
[INFO] [stdout] 247 | |     pub flags EnvCreateFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:350:1
[INFO] [stdout]     |
[INFO] [stdout] 350 | / bitflags! {
[INFO] [stdout] 351 | |     #[doc = "A set of database flags"]
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | |     pub flags DbFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:350:1
[INFO] [stdout]     |
[INFO] [stdout] 350 | / bitflags! {
[INFO] [stdout] 351 | |     #[doc = "A set of database flags"]
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | |     pub flags DbFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:470:22
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:478:22
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:489:22
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:502:22
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:510:22
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let _ = try!(EnvBuilder::check_path(&path, self.flags));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let path_str = try!(path.as_ref().to_str().ok_or(MdbError::InvalidPath));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:643:26
[INFO] [stdout]     |
[INFO] [stdout] 643 |             let c_path = try!(CString::new(path_str).map_err(|_| MdbError::InvalidPath));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:769:19
[INFO] [stdout]     |
[INFO] [stdout] 769 |         let tmp = try!(self.get_all_flags());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:807:24
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let path_str = try!(path.as_ref().to_str().ok_or(MdbError::InvalidPath));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:808:22
[INFO] [stdout]     |
[INFO] [stdout] 808 |         let c_path = try!(CString::new(path_str).map_err(|_| MdbError::InvalidPath));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:883:17
[INFO] [stdout]     |
[INFO] [stdout] 883 |                 try!(txn.commit());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:866:21
[INFO] [stdout]     |
[INFO] [stdout] 866 |                     try!(self.create_transaction(None, txflags))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:897:18
[INFO] [stdout]     |
[INFO] [stdout] 897 |         let db = try!(self._open_db(db_name, flags, false));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:903:18
[INFO] [stdout]     |
[INFO] [stdout] 903 |         let db = try!(self._open_db(db_name, flags, true));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1416:22
[INFO] [stdout]      |
[INFO] [stdout] 1416 |         let (k, v) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1426:22
[INFO] [stdout]      |
[INFO] [stdout] 1426 |         let (_, v) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1435:22
[INFO] [stdout]      |
[INFO] [stdout] 1435 |         let (k, _) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1445:22
[INFO] [stdout]      |
[INFO] [stdout] 1445 |         let (k, _) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1474:9
[INFO] [stdout]      |
[INFO] [stdout] 1474 |         try!(self.ensure_key_valid());
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1492:9
[INFO] [stdout]      |
[INFO] [stdout] 1492 |         try!(self.ensure_key_valid());
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1573:9
[INFO] [stdout]      |
[INFO] [stdout] 1573 |         try!(self.cursor.to_key(self.key));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1582:9
[INFO] [stdout]      |
[INFO] [stdout] 1582 |         try!(self.cursor.to_item(self.key, v));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1587:9
[INFO] [stdout]      |
[INFO] [stdout] 1587 |         try!(self.cursor.to_key(self.key));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:409:54
[INFO] [stdout]     |
[INFO] [stdout] 409 |     pub fn get<V: FromMdbValue + 'a>(&'a self, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 409 |     pub fn get<V: FromMdbValue + 'a>(&'a self, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:414:29
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:414:49
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:433:32
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:433:52
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:438:29
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn del(&self, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn del(&self, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:443:34
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &dyn ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:443:53
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1056:74
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     fn get_value<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                          ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     fn get_value<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1065:68
[INFO] [stdout]      |
[INFO] [stdout] 1065 |     fn get<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1065 |     fn get<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1070:49
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1070:69
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                     ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1074:60
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1074:80
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                                                ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1087:43
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1087:63
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1092:46
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1092:66
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1097:56
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                        ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1097:76
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1104:46
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1104:66
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1110:49
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     fn del_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     fn del_value(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1118:48
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1118:67
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                   ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1129:43
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     fn del(&self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     fn del(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/core.rs:151:75
[INFO] [stdout]     |
[INFO] [stdout] 151 |             &Panic | &InvalidPath | &CacheError => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:469:110
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn keyrange_from<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K) -> MdbResult<CursorIterator<'c, CursorFromKeyIter>> {
[INFO] [stdout]     |                                                   --                   --                                --  ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                   |                    |                                 |
[INFO] [stdout]     |                                                   |                    the lifetime is named here        the same lifetime is named here
[INFO] [stdout]     |                                                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn keyrange_from<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K) -> MdbResult<CursorIterator<'c, CursorFromKeyIter<'c>>> {
[INFO] [stdout]     |                                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:477:106
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn keyrange_to<'c, K: ToMdbValue + 'c>(&'c self, end_key: &'c K) -> MdbResult<CursorIterator<'c, CursorToKeyIter>> {
[INFO] [stdout]     |                                                 --                 --                                --  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |                  |                                 |
[INFO] [stdout]     |                                                 |                  the lifetime is named here        the same lifetime is named here
[INFO] [stdout]     |                                                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn keyrange_to<'c, K: ToMdbValue + 'c>(&'c self, end_key: &'c K) -> MdbResult<CursorIterator<'c, CursorToKeyIter<'c>>> {
[INFO] [stdout]     |                                                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:487:64
[INFO] [stdout]     |
[INFO] [stdout] 486 |     pub fn keyrange_from_to<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K, end_key: &'c K)
[INFO] [stdout]     |                                                      --                   --              -- the lifetime is named here
[INFO] [stdout]     |                                                      |                    |
[INFO] [stdout]     |                                                      |                    the lifetime is named here
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout] 487 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter>>
[INFO] [stdout]     |                                                            --  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 487 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter<'c>>>
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:500:64
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn keyrange<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K, end_key: &'c K)
[INFO] [stdout]     |                                              --                   --              -- the lifetime is named here
[INFO] [stdout]     |                                              |                    |
[INFO] [stdout]     |                                              |                    the lifetime is named here
[INFO] [stdout]     |                                              the lifetime is named here
[INFO] [stdout] 500 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter>>
[INFO] [stdout]     |                                                            --  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 500 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter<'c>>>
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/core.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 |         drop(self);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `EnvBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 649 -         drop(self);
[INFO] [stdout] 649 +         let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/path.rs" }) }
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/core.rs:682:53
[INFO] [stdout]     |
[INFO] [stdout] 682 |                     fs::create_dir_all(path.as_ref().clone()).map_err(|e| {
[INFO] [stdout]     |                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 682 -                     fs::create_dir_all(path.as_ref().clone()).map_err(|e| {
[INFO] [stdout] 682 +                     fs::create_dir_all(path.as_ref()).map_err(|e| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:815:27
[INFO] [stdout]     |
[INFO] [stdout] 815 |     fn create_transaction(&self, parent: Option<NativeTransaction>, flags: c_uint) -> MdbResult<NativeTransaction> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 815 |     fn create_transaction(&self, parent: Option<NativeTransaction>, flags: c_uint) -> MdbResult<NativeTransaction<'_>> {
[INFO] [stdout]     |                                                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:829:28
[INFO] [stdout]     |
[INFO] [stdout] 829 |     pub fn new_transaction(&self) -> MdbResult<Transaction> {
[INFO] [stdout]     |                            ^^^^^               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 829 |     pub fn new_transaction(&self) -> MdbResult<Transaction<'_>> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:838:23
[INFO] [stdout]     |
[INFO] [stdout] 838 |     pub fn get_reader(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]     |                       ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 838 |     pub fn get_reader(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:982:65
[INFO] [stdout]     |
[INFO] [stdout] 982 |     fn new_with_handle(h: *mut ffi::MDB_txn, flags: usize, env: &Environment) -> NativeTransaction {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                                 |
[INFO] [stdout]     |                                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 982 |     fn new_with_handle(h: *mut ffi::MDB_txn, flags: usize, env: &Environment) -> NativeTransaction<'_> {
[INFO] [stdout]     |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1041:18
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     fn new_child(&self, flags: c_uint) -> MdbResult<NativeTransaction> {
[INFO] [stdout]      |                  ^^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     fn new_child(&self, flags: c_uint) -> MdbResult<NativeTransaction<'_>> {
[INFO] [stdout]      |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1195:22
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     pub fn new_child(&self) -> MdbResult<Transaction> {
[INFO] [stdout]      |                      ^^^^^               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     pub fn new_child(&self) -> MdbResult<Transaction<'_>> {
[INFO] [stdout]      |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1200:25
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]      |                         ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]      |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1218:17
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub fn bind(&self, db_handle: &DbHandle) -> Database {
[INFO] [stdout]      |                 ^^^^^                           ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub fn bind(&self, db_handle: &DbHandle) -> Database<'_> {
[INFO] [stdout]      |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1237:25
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]      |                         ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]      |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1261:17
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     pub fn bind(&self, db_handle: &DbHandle) -> Database {
[INFO] [stdout]      |                 ^^^^^                           ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     pub fn bind(&self, db_handle: &DbHandle) -> Database<'_> {
[INFO] [stdout]      |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c5d42bc0de958dec2043e55f9b1a5486b857944163f2dcbf22ff04bc933b9a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d42bc0de958dec2043e55f9b1a5486b857944163f2dcbf22ff04bc933b9a44", kill_on_drop: false }`
[INFO] [stdout] c5d42bc0de958dec2043e55f9b1a5486b857944163f2dcbf22ff04bc933b9a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eec142a13bfe2a5e8abebddd357a48d6098cc9bc56b5083e24bf88e61c7c363
[INFO] running `Command { std: "docker" "start" "-a" "0eec142a13bfe2a5e8abebddd357a48d6098cc9bc56b5083e24bf88e61c7c363", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unused macro definition: `assert_state_not`
[INFO] [stdout]    --> src/core.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 | macro_rules! assert_state_not {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! {
[INFO] [stdout] 180 | |     #[doc = "A set of environment flags which could be changed after opening"]
[INFO] [stdout] 181 | |
[INFO] [stdout] 182 | |     pub flags EnvFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! {
[INFO] [stdout] 180 | |     #[doc = "A set of environment flags which could be changed after opening"]
[INFO] [stdout] 181 | |
[INFO] [stdout] 182 | |     pub flags EnvFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / bitflags! {
[INFO] [stdout] 245 | |     #[doc = "A set of all environment flags"]
[INFO] [stdout] 246 | |
[INFO] [stdout] 247 | |     pub flags EnvCreateFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / bitflags! {
[INFO] [stdout] 245 | |     #[doc = "A set of all environment flags"]
[INFO] [stdout] 246 | |
[INFO] [stdout] 247 | |     pub flags EnvCreateFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:350:1
[INFO] [stdout]     |
[INFO] [stdout] 350 | / bitflags! {
[INFO] [stdout] 351 | |     #[doc = "A set of database flags"]
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | |     pub flags DbFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:350:1
[INFO] [stdout]     |
[INFO] [stdout] 350 | / bitflags! {
[INFO] [stdout] 351 | |     #[doc = "A set of database flags"]
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | |     pub flags DbFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:470:22
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:478:22
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:489:22
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:502:22
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:510:22
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let _ = try!(EnvBuilder::check_path(&path, self.flags));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let path_str = try!(path.as_ref().to_str().ok_or(MdbError::InvalidPath));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:643:26
[INFO] [stdout]     |
[INFO] [stdout] 643 |             let c_path = try!(CString::new(path_str).map_err(|_| MdbError::InvalidPath));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:769:19
[INFO] [stdout]     |
[INFO] [stdout] 769 |         let tmp = try!(self.get_all_flags());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:807:24
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let path_str = try!(path.as_ref().to_str().ok_or(MdbError::InvalidPath));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:808:22
[INFO] [stdout]     |
[INFO] [stdout] 808 |         let c_path = try!(CString::new(path_str).map_err(|_| MdbError::InvalidPath));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:883:17
[INFO] [stdout]     |
[INFO] [stdout] 883 |                 try!(txn.commit());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:866:21
[INFO] [stdout]     |
[INFO] [stdout] 866 |                     try!(self.create_transaction(None, txflags))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:897:18
[INFO] [stdout]     |
[INFO] [stdout] 897 |         let db = try!(self._open_db(db_name, flags, false));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:903:18
[INFO] [stdout]     |
[INFO] [stdout] 903 |         let db = try!(self._open_db(db_name, flags, true));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1416:22
[INFO] [stdout]      |
[INFO] [stdout] 1416 |         let (k, v) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1426:22
[INFO] [stdout]      |
[INFO] [stdout] 1426 |         let (_, v) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1435:22
[INFO] [stdout]      |
[INFO] [stdout] 1435 |         let (k, _) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1445:22
[INFO] [stdout]      |
[INFO] [stdout] 1445 |         let (k, _) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1474:9
[INFO] [stdout]      |
[INFO] [stdout] 1474 |         try!(self.ensure_key_valid());
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1492:9
[INFO] [stdout]      |
[INFO] [stdout] 1492 |         try!(self.ensure_key_valid());
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1573:9
[INFO] [stdout]      |
[INFO] [stdout] 1573 |         try!(self.cursor.to_key(self.key));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1582:9
[INFO] [stdout]      |
[INFO] [stdout] 1582 |         try!(self.cursor.to_item(self.key, v));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1587:9
[INFO] [stdout]      |
[INFO] [stdout] 1587 |         try!(self.cursor.to_key(self.key));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:409:54
[INFO] [stdout]     |
[INFO] [stdout] 409 |     pub fn get<V: FromMdbValue + 'a>(&'a self, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 409 |     pub fn get<V: FromMdbValue + 'a>(&'a self, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:414:29
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:414:49
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:433:32
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:433:52
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:438:29
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn del(&self, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn del(&self, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:443:34
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &dyn ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:443:53
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1056:74
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     fn get_value<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                          ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     fn get_value<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1065:68
[INFO] [stdout]      |
[INFO] [stdout] 1065 |     fn get<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1065 |     fn get<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1070:49
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1070:69
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                     ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1074:60
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1074:80
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                                                ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1087:43
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1087:63
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1092:46
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1092:66
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1097:56
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                        ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1097:76
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1104:46
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1104:66
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1110:49
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     fn del_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     fn del_value(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1118:48
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1118:67
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                   ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1129:43
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     fn del(&self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     fn del(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/core.rs:151:75
[INFO] [stdout]     |
[INFO] [stdout] 151 |             &Panic | &InvalidPath | &CacheError => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/path.rs" }) }
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:469:110
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn keyrange_from<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K) -> MdbResult<CursorIterator<'c, CursorFromKeyIter>> {
[INFO] [stdout]     |                                                   --                   --                                --  ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                   |                    |                                 |
[INFO] [stdout]     |                                                   |                    the lifetime is named here        the same lifetime is named here
[INFO] [stdout]     |                                                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn keyrange_from<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K) -> MdbResult<CursorIterator<'c, CursorFromKeyIter<'c>>> {
[INFO] [stdout]     |                                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ord-lmdb-rs v0.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:477:106
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn keyrange_to<'c, K: ToMdbValue + 'c>(&'c self, end_key: &'c K) -> MdbResult<CursorIterator<'c, CursorToKeyIter>> {
[INFO] [stdout]     |                                                 --                 --                                --  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |                  |                                 |
[INFO] [stdout]     |                                                 |                  the lifetime is named here        the same lifetime is named here
[INFO] [stdout]     |                                                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn keyrange_to<'c, K: ToMdbValue + 'c>(&'c self, end_key: &'c K) -> MdbResult<CursorIterator<'c, CursorToKeyIter<'c>>> {
[INFO] [stdout]     |                                                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:487:64
[INFO] [stdout]     |
[INFO] [stdout] 486 |     pub fn keyrange_from_to<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K, end_key: &'c K)
[INFO] [stdout]     |                                                      --                   --              -- the lifetime is named here
[INFO] [stdout]     |                                                      |                    |
[INFO] [stdout]     |                                                      |                    the lifetime is named here
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout] 487 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter>>
[INFO] [stdout]     |                                                            --  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 487 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter<'c>>>
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:500:64
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn keyrange<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K, end_key: &'c K)
[INFO] [stdout]     |                                              --                   --              -- the lifetime is named here
[INFO] [stdout]     |                                              |                    |
[INFO] [stdout]     |                                              |                    the lifetime is named here
[INFO] [stdout]     |                                              the lifetime is named here
[INFO] [stdout] 500 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter>>
[INFO] [stdout]     |                                                            --  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 500 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter<'c>>>
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/core.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 |         drop(self);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `EnvBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 649 -         drop(self);
[INFO] [stdout] 649 +         let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/core.rs:682:53
[INFO] [stdout]     |
[INFO] [stdout] 682 |                     fs::create_dir_all(path.as_ref().clone()).map_err(|e| {
[INFO] [stdout]     |                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 682 -                     fs::create_dir_all(path.as_ref().clone()).map_err(|e| {
[INFO] [stdout] 682 +                     fs::create_dir_all(path.as_ref()).map_err(|e| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:815:27
[INFO] [stdout]     |
[INFO] [stdout] 815 |     fn create_transaction(&self, parent: Option<NativeTransaction>, flags: c_uint) -> MdbResult<NativeTransaction> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 815 |     fn create_transaction(&self, parent: Option<NativeTransaction>, flags: c_uint) -> MdbResult<NativeTransaction<'_>> {
[INFO] [stdout]     |                                                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:829:28
[INFO] [stdout]     |
[INFO] [stdout] 829 |     pub fn new_transaction(&self) -> MdbResult<Transaction> {
[INFO] [stdout]     |                            ^^^^^               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 829 |     pub fn new_transaction(&self) -> MdbResult<Transaction<'_>> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:838:23
[INFO] [stdout]     |
[INFO] [stdout] 838 |     pub fn get_reader(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]     |                       ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 838 |     pub fn get_reader(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:982:65
[INFO] [stdout]     |
[INFO] [stdout] 982 |     fn new_with_handle(h: *mut ffi::MDB_txn, flags: usize, env: &Environment) -> NativeTransaction {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                                 |
[INFO] [stdout]     |                                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 982 |     fn new_with_handle(h: *mut ffi::MDB_txn, flags: usize, env: &Environment) -> NativeTransaction<'_> {
[INFO] [stdout]     |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1041:18
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     fn new_child(&self, flags: c_uint) -> MdbResult<NativeTransaction> {
[INFO] [stdout]      |                  ^^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     fn new_child(&self, flags: c_uint) -> MdbResult<NativeTransaction<'_>> {
[INFO] [stdout]      |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1195:22
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     pub fn new_child(&self) -> MdbResult<Transaction> {
[INFO] [stdout]      |                      ^^^^^               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     pub fn new_child(&self) -> MdbResult<Transaction<'_>> {
[INFO] [stdout]      |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1200:25
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]      |                         ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]      |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1218:17
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub fn bind(&self, db_handle: &DbHandle) -> Database {
[INFO] [stdout]      |                 ^^^^^                           ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub fn bind(&self, db_handle: &DbHandle) -> Database<'_> {
[INFO] [stdout]      |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1237:25
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]      |                         ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]      |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1261:17
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     pub fn bind(&self, db_handle: &DbHandle) -> Database {
[INFO] [stdout]      |                 ^^^^^                           ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     pub fn bind(&self, db_handle: &DbHandle) -> Database<'_> {
[INFO] [stdout]      |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `lmdb_rs`
[INFO] [stdout]  --> examples/simple.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate lmdb_rs as lmdb;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ord-lmdb-rs` (example "simple") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused macro definition: `assert_state_not`
[INFO] [stdout]    --> src/core.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 | macro_rules! assert_state_not {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! {
[INFO] [stdout] 180 | |     #[doc = "A set of environment flags which could be changed after opening"]
[INFO] [stdout] 181 | |
[INFO] [stdout] 182 | |     pub flags EnvFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:179:1
[INFO] [stdout]     |
[INFO] [stdout] 179 | / bitflags! {
[INFO] [stdout] 180 | |     #[doc = "A set of environment flags which could be changed after opening"]
[INFO] [stdout] 181 | |
[INFO] [stdout] 182 | |     pub flags EnvFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 242 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / bitflags! {
[INFO] [stdout] 245 | |     #[doc = "A set of all environment flags"]
[INFO] [stdout] 246 | |
[INFO] [stdout] 247 | |     pub flags EnvCreateFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:244:1
[INFO] [stdout]     |
[INFO] [stdout] 244 | / bitflags! {
[INFO] [stdout] 245 | |     #[doc = "A set of all environment flags"]
[INFO] [stdout] 246 | |
[INFO] [stdout] 247 | |     pub flags EnvCreateFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:350:1
[INFO] [stdout]     |
[INFO] [stdout] 350 | / bitflags! {
[INFO] [stdout] 351 | |     #[doc = "A set of database flags"]
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | |     pub flags DbFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:350:1
[INFO] [stdout]     |
[INFO] [stdout] 350 | / bitflags! {
[INFO] [stdout] 351 | |     #[doc = "A set of database flags"]
[INFO] [stdout] 352 | |
[INFO] [stdout] 353 | |     pub flags DbFlags: c_uint {
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:470:22
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:478:22
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:489:22
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:502:22
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:510:22
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let cursor = try!(self.txn.new_cursor(self.handle));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:634:21
[INFO] [stdout]     |
[INFO] [stdout] 634 |             let _ = try!(EnvBuilder::check_path(&path, self.flags));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:642:28
[INFO] [stdout]     |
[INFO] [stdout] 642 |             let path_str = try!(path.as_ref().to_str().ok_or(MdbError::InvalidPath));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:643:26
[INFO] [stdout]     |
[INFO] [stdout] 643 |             let c_path = try!(CString::new(path_str).map_err(|_| MdbError::InvalidPath));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:769:19
[INFO] [stdout]     |
[INFO] [stdout] 769 |         let tmp = try!(self.get_all_flags());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:807:24
[INFO] [stdout]     |
[INFO] [stdout] 807 |         let path_str = try!(path.as_ref().to_str().ok_or(MdbError::InvalidPath));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:808:22
[INFO] [stdout]     |
[INFO] [stdout] 808 |         let c_path = try!(CString::new(path_str).map_err(|_| MdbError::InvalidPath));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:883:17
[INFO] [stdout]     |
[INFO] [stdout] 883 |                 try!(txn.commit());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:866:21
[INFO] [stdout]     |
[INFO] [stdout] 866 |                     try!(self.create_transaction(None, txflags))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:897:18
[INFO] [stdout]     |
[INFO] [stdout] 897 |         let db = try!(self._open_db(db_name, flags, false));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core.rs:903:18
[INFO] [stdout]     |
[INFO] [stdout] 903 |         let db = try!(self._open_db(db_name, flags, true));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1416:22
[INFO] [stdout]      |
[INFO] [stdout] 1416 |         let (k, v) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1426:22
[INFO] [stdout]      |
[INFO] [stdout] 1426 |         let (_, v) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1435:22
[INFO] [stdout]      |
[INFO] [stdout] 1435 |         let (k, _) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1445:22
[INFO] [stdout]      |
[INFO] [stdout] 1445 |         let (k, _) = try!(self.get_plain());
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1474:9
[INFO] [stdout]      |
[INFO] [stdout] 1474 |         try!(self.ensure_key_valid());
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1492:9
[INFO] [stdout]      |
[INFO] [stdout] 1492 |         try!(self.ensure_key_valid());
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1573:9
[INFO] [stdout]      |
[INFO] [stdout] 1573 |         try!(self.cursor.to_key(self.key));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1582:9
[INFO] [stdout]      |
[INFO] [stdout] 1582 |         try!(self.cursor.to_item(self.key, v));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/core.rs:1587:9
[INFO] [stdout]      |
[INFO] [stdout] 1587 |         try!(self.cursor.to_key(self.key));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             try!(db.set(&test_key, &(&test_data[..])));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/tests.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]  --> src/tests.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tests.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | static NEXT_ID: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 16 - static NEXT_ID: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout] 16 + static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/tests.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 | static INIT_DIR_ONCE: Once = ONCE_INIT;
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 17 - static INIT_DIR_ONCE: Once = ONCE_INIT;
[INFO] [stdout] 17 + static INIT_DIR_ONCE: Once = Once::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:409:54
[INFO] [stdout]     |
[INFO] [stdout] 409 |     pub fn get<V: FromMdbValue + 'a>(&'a self, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 409 |     pub fn get<V: FromMdbValue + 'a>(&'a self, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:414:29
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:414:49
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub fn set(&self, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:433:32
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:433:52
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub fn insert(&self, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:438:29
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn del(&self, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn del(&self, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:443:34
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &dyn ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core.rs:443:53
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 443 |     pub fn del_item(&self, key: &ToMdbValue, data: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1056:74
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     fn get_value<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                          ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     fn get_value<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1065:68
[INFO] [stdout]      |
[INFO] [stdout] 1065 |     fn get<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1065 |     fn get<V: FromMdbValue + 'a>(&'a self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<V> {
[INFO] [stdout]      |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1070:49
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1070:69
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                     ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     fn set_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1074:60
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1074:80
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                                                ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     fn set_value_with_flags(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue, flags: c_uint) -> MdbResult<()> {
[INFO] [stdout]      |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1087:43
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1087:63
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn set(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1092:46
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1092:66
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     fn append(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1097:56
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                        ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1097:76
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                            ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     fn append_duplicate(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1104:46
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1104:66
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1104 |     fn insert(&self, db: ffi::MDB_dbi, key: &ToMdbValue, value: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1110:49
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     fn del_value(&self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     fn del_value(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1118:48
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1118:67
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                   ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1118 |     fn del_item(&self, db: ffi::MDB_dbi, key: &ToMdbValue, data: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/core.rs:1129:43
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     fn del(&self, db: ffi::MDB_dbi, key: &ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     fn del(&self, db: ffi::MDB_dbi, key: &dyn ToMdbValue) -> MdbResult<()> {
[INFO] [stdout]      |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/core.rs:151:75
[INFO] [stdout]     |
[INFO] [stdout] 151 |             &Panic | &InvalidPath | &CacheError => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:469:110
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn keyrange_from<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K) -> MdbResult<CursorIterator<'c, CursorFromKeyIter>> {
[INFO] [stdout]     |                                                   --                   --                                --  ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                   |                    |                                 |
[INFO] [stdout]     |                                                   |                    the lifetime is named here        the same lifetime is named here
[INFO] [stdout]     |                                                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn keyrange_from<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K) -> MdbResult<CursorIterator<'c, CursorFromKeyIter<'c>>> {
[INFO] [stdout]     |                                                                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:477:106
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn keyrange_to<'c, K: ToMdbValue + 'c>(&'c self, end_key: &'c K) -> MdbResult<CursorIterator<'c, CursorToKeyIter>> {
[INFO] [stdout]     |                                                 --                 --                                --  ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |                  |                                 |
[INFO] [stdout]     |                                                 |                  the lifetime is named here        the same lifetime is named here
[INFO] [stdout]     |                                                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn keyrange_to<'c, K: ToMdbValue + 'c>(&'c self, end_key: &'c K) -> MdbResult<CursorIterator<'c, CursorToKeyIter<'c>>> {
[INFO] [stdout]     |                                                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:487:64
[INFO] [stdout]     |
[INFO] [stdout] 486 |     pub fn keyrange_from_to<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K, end_key: &'c K)
[INFO] [stdout]     |                                                      --                   --              -- the lifetime is named here
[INFO] [stdout]     |                                                      |                    |
[INFO] [stdout]     |                                                      |                    the lifetime is named here
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout] 487 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter>>
[INFO] [stdout]     |                                                            --  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 487 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter<'c>>>
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:500:64
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn keyrange<'c, K: ToMdbValue + 'c>(&'c self, start_key: &'c K, end_key: &'c K)
[INFO] [stdout]     |                                              --                   --              -- the lifetime is named here
[INFO] [stdout]     |                                              |                    |
[INFO] [stdout]     |                                              |                    the lifetime is named here
[INFO] [stdout]     |                                              the lifetime is named here
[INFO] [stdout] 500 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter>>
[INFO] [stdout]     |                                                            --  ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                            |
[INFO] [stdout]     |                                                            the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 500 |                                -> MdbResult<CursorIterator<'c, CursorKeyRangeIter<'c>>>
[INFO] [stdout]     |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/path.rs" }) }
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/core.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 |         drop(self);
[INFO] [stdout]     |         ^^^^^----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `EnvBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 649 -         drop(self);
[INFO] [stdout] 649 +         let _ = self;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/core.rs:682:53
[INFO] [stdout]     |
[INFO] [stdout] 682 |                     fs::create_dir_all(path.as_ref().clone()).map_err(|e| {
[INFO] [stdout]     |                                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 682 -                     fs::create_dir_all(path.as_ref().clone()).map_err(|e| {
[INFO] [stdout] 682 +                     fs::create_dir_all(path.as_ref()).map_err(|e| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:815:27
[INFO] [stdout]     |
[INFO] [stdout] 815 |     fn create_transaction(&self, parent: Option<NativeTransaction>, flags: c_uint) -> MdbResult<NativeTransaction> {
[INFO] [stdout]     |                           ^^^^^ the lifetime is elided here                                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 815 |     fn create_transaction(&self, parent: Option<NativeTransaction>, flags: c_uint) -> MdbResult<NativeTransaction<'_>> {
[INFO] [stdout]     |                                                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:829:28
[INFO] [stdout]     |
[INFO] [stdout] 829 |     pub fn new_transaction(&self) -> MdbResult<Transaction> {
[INFO] [stdout]     |                            ^^^^^               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 829 |     pub fn new_transaction(&self) -> MdbResult<Transaction<'_>> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:838:23
[INFO] [stdout]     |
[INFO] [stdout] 838 |     pub fn get_reader(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]     |                       ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 838 |     pub fn get_reader(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/core.rs:982:65
[INFO] [stdout]     |
[INFO] [stdout] 982 |     fn new_with_handle(h: *mut ffi::MDB_txn, flags: usize, env: &Environment) -> NativeTransaction {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                                 |
[INFO] [stdout]     |                                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 982 |     fn new_with_handle(h: *mut ffi::MDB_txn, flags: usize, env: &Environment) -> NativeTransaction<'_> {
[INFO] [stdout]     |                                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1041:18
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     fn new_child(&self, flags: c_uint) -> MdbResult<NativeTransaction> {
[INFO] [stdout]      |                  ^^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1041 |     fn new_child(&self, flags: c_uint) -> MdbResult<NativeTransaction<'_>> {
[INFO] [stdout]      |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1195:22
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     pub fn new_child(&self) -> MdbResult<Transaction> {
[INFO] [stdout]      |                      ^^^^^               ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                      |
[INFO] [stdout]      |                      the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1195 |     pub fn new_child(&self) -> MdbResult<Transaction<'_>> {
[INFO] [stdout]      |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1200:25
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]      |                         ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]      |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1218:17
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub fn bind(&self, db_handle: &DbHandle) -> Database {
[INFO] [stdout]      |                 ^^^^^                           ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub fn bind(&self, db_handle: &DbHandle) -> Database<'_> {
[INFO] [stdout]      |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1237:25
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction> {
[INFO] [stdout]      |                         ^^^^^               ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     pub fn new_ro_child(&self) -> MdbResult<ReadonlyTransaction<'_>> {
[INFO] [stdout]      |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/core.rs:1261:17
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     pub fn bind(&self, db_handle: &DbHandle) -> Database {
[INFO] [stdout]      |                 ^^^^^                           ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     pub fn bind(&self, db_handle: &DbHandle) -> Database<'_> {
[INFO] [stdout]      |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0eec142a13bfe2a5e8abebddd357a48d6098cc9bc56b5083e24bf88e61c7c363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eec142a13bfe2a5e8abebddd357a48d6098cc9bc56b5083e24bf88e61c7c363", kill_on_drop: false }`
[INFO] [stdout] 0eec142a13bfe2a5e8abebddd357a48d6098cc9bc56b5083e24bf88e61c7c363
