[INFO] fetching crate ord-lmdb-rs 0.7.7...
[INFO] checking ord-lmdb-rs-0.7.7 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ord-lmdb-rs 0.7.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ord-lmdb-rs 0.7.7 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ord-liblmdb-sys v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e858997eaea3b1545c7aeb5ad0d686f956c96540d6b40988d4ecb9e173333a98
[INFO] running `Command { std: "docker" "start" "-a" "e858997eaea3b1545c7aeb5ad0d686f956c96540d6b40988d4ecb9e173333a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e858997eaea3b1545c7aeb5ad0d686f956c96540d6b40988d4ecb9e173333a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e858997eaea3b1545c7aeb5ad0d686f956c96540d6b40988d4ecb9e173333a98", kill_on_drop: false }`
[INFO] [stdout] e858997eaea3b1545c7aeb5ad0d686f956c96540d6b40988d4ecb9e173333a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe46b0d019c0cea24dfe5703fe5d5192ab785a913f86c78f8d4f956ca4a64270
[INFO] running `Command { std: "docker" "start" "-a" "fe46b0d019c0cea24dfe5703fe5d5192ab785a913f86c78f8d4f956ca4a64270", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling ord-liblmdb-sys v0.2.3
[INFO] [stderr]     Checking ord-lmdb-rs v0.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/core.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/core.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/core.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/core.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | use ffi::{self, MDB_val};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate ord_liblmdb_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] 241 | |     }
[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] 241 | |     }
[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] 347 | |     }
[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] 347 | |     }
[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] 385 | |     }
[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] 385 | |     }
[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: the item `std` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{self, mem, slice};
[INFO] [stdout]    |           ^^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/core.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/core.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/core.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/core.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | use ffi::{self, MDB_val};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate ord_liblmdb_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] 241 | |     }
[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] 241 | |     }
[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] 347 | |     }
[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] 347 | |     }
[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] 385 | |     }
[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] 385 | |     }
[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: the item `std` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{self, mem, slice};
[INFO] [stdout]    |           ^^^^ the item `std` is already imported by prelude
[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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: use of deprecated constant `std::sync::ONCE_INIT`: the `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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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 = AtomicUsize::new(0);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: use of deprecated constant `std::sync::ONCE_INIT`: the `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::new();
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[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: 65 warnings emitted
[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] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[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: 70 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe46b0d019c0cea24dfe5703fe5d5192ab785a913f86c78f8d4f956ca4a64270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe46b0d019c0cea24dfe5703fe5d5192ab785a913f86c78f8d4f956ca4a64270", kill_on_drop: false }`
[INFO] [stdout] fe46b0d019c0cea24dfe5703fe5d5192ab785a913f86c78f8d4f956ca4a64270
[INFO] checking ord-lmdb-rs-0.7.7 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ord-lmdb-rs 0.7.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ord-lmdb-rs 0.7.7 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fbfa6e00c088055e964005b1657f812f2a73f4da85cd5e4b76d2faed451ac4d
[INFO] running `Command { std: "docker" "start" "-a" "5fbfa6e00c088055e964005b1657f812f2a73f4da85cd5e4b76d2faed451ac4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fbfa6e00c088055e964005b1657f812f2a73f4da85cd5e4b76d2faed451ac4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbfa6e00c088055e964005b1657f812f2a73f4da85cd5e4b76d2faed451ac4d", kill_on_drop: false }`
[INFO] [stdout] 5fbfa6e00c088055e964005b1657f812f2a73f4da85cd5e4b76d2faed451ac4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e985c5b89adf3402795abe93a1ed4380d5f62e377314db80001560f1605517b
[INFO] running `Command { std: "docker" "start" "-a" "8e985c5b89adf3402795abe93a1ed4380d5f62e377314db80001560f1605517b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling ord-liblmdb-sys v0.2.3
[INFO] [stderr]     Checking ord-lmdb-rs v0.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/core.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/core.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/core.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/core.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | use ffi::{self, MDB_val};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate ord_liblmdb_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] 241 | |     }
[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] 241 | |     }
[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] 347 | |     }
[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] 347 | |     }
[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] 385 | |     }
[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] 385 | |     }
[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: the item `std` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{self, mem, slice};
[INFO] [stdout]    |           ^^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/core.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]   --> src/core.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use std::borrow::ToOwned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/core.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ffi` is imported redundantly
[INFO] [stdout]   --> src/core.rs:57:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | use ffi::{self, MDB_val};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | extern crate ord_liblmdb_sys as ffi;
[INFO] [stdout]    | ------------------------------------ the item `ffi` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] 241 | |     }
[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] 241 | |     }
[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] 347 | |     }
[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] 347 | |     }
[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] 385 | |     }
[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] 385 | |     }
[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: the item `std` is imported redundantly
[INFO] [stdout]   --> src/traits.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{self, mem, slice};
[INFO] [stdout]    |           ^^^^ the item `std` is already imported by prelude
[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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: use of deprecated constant `std::sync::ONCE_INIT`: the `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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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 = AtomicUsize::new(0);
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: use of deprecated constant `std::sync::ONCE_INIT`: the `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::new();
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe 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: 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: 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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[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: 65 warnings emitted
[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] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[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: 70 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e985c5b89adf3402795abe93a1ed4380d5f62e377314db80001560f1605517b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e985c5b89adf3402795abe93a1ed4380d5f62e377314db80001560f1605517b", kill_on_drop: false }`
[INFO] [stdout] 8e985c5b89adf3402795abe93a1ed4380d5f62e377314db80001560f1605517b
