[INFO] fetching crate ccl_owning_ref 0.4.2...
[INFO] checking ccl_owning_ref-0.4.2 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied-retry-0
[INFO] extracting crate ccl_owning_ref 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ccl_owning_ref 0.4.2
[INFO] finished tweaking crates.io crate ccl_owning_ref 0.4.2
[INFO] tweaked toml for crates.io crate ccl_owning_ref 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ccl_owning_ref 0.4.2 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0d44f5cc39f827bd8a1a669b3121d5af890cd5cbdc6d88241cacb5cd03c494
[INFO] running `Command { std: "docker" "start" "-a" "fa0d44f5cc39f827bd8a1a669b3121d5af890cd5cbdc6d88241cacb5cd03c494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0d44f5cc39f827bd8a1a669b3121d5af890cd5cbdc6d88241cacb5cd03c494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0d44f5cc39f827bd8a1a669b3121d5af890cd5cbdc6d88241cacb5cd03c494", kill_on_drop: false }`
[INFO] [stdout] fa0d44f5cc39f827bd8a1a669b3121d5af890cd5cbdc6d88241cacb5cd03c494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97080ec88f86e64dcd3d65471726fafda1f5c4b1954d4df8796fa425ae0d3fa1
[INFO] running `Command { std: "docker" "start" "-a" "97080ec88f86e64dcd3d65471726fafda1f5c4b1954d4df8796fa425ae0d3fa1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking ccl_stable_deref_trait v1.0.2
[INFO] [stderr]     Checking ccl_owning_ref v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1009:28
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1009 -     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout] 1009 +     where O: Send, for<'a> &'a T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1011:28
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1011 -     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout] 1011 +     where O: Sync, for<'a> &'a T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1014:28
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1014 -     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout] 1014 +     where O: Send, for<'a> &'a mut T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1016:28
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1016 -     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout] 1016 +     where O: Sync, for<'a> &'a mut T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1009:28
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1009 -     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout] 1009 +     where O: Send, for<'a> &'a T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1011:28
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1011 -     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout] 1011 +     where O: Sync, for<'a> &'a T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1014:28
[INFO] [stdout]      |
[INFO] [stdout] 1014 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1014 -     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout] 1014 +     where O: Send, for<'a> &'a mut T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1016:28
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1016 -     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout] 1016 +     where O: Sync, for<'a> &'a mut T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1018:16
[INFO] [stdout]      |
[INFO] [stdout] 1018 | impl Debug for Erased {
[INFO] [stdout]      |                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1018 | impl Debug for dyn Erased {
[INFO] [stdout]      |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1138:23
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     type Erased = Box<Erased + 'a>;
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     type Erased = Box<dyn Erased + 'a>;
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1144:22
[INFO] [stdout]      |
[INFO] [stdout] 1144 |     type Erased = Rc<Erased + 'a>;
[INFO] [stdout]      |                      ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1144 |     type Erased = Rc<dyn Erased + 'a>;
[INFO] [stdout]      |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1150:23
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     type Erased = Arc<Erased + 'a>;
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     type Erased = Arc<dyn Erased + 'a>;
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1157:42
[INFO] [stdout]      |
[INFO] [stdout] 1157 | pub type ErasedBoxRef<U> = OwningRef<Box<Erased>, U>;
[INFO] [stdout]      |                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1157 | pub type ErasedBoxRef<U> = OwningRef<Box<dyn Erased>, U>;
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1159:40
[INFO] [stdout]      |
[INFO] [stdout] 1159 | pub type ErasedRcRef<U> = OwningRef<Rc<Erased>, U>;
[INFO] [stdout]      |                                        ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1159 | pub type ErasedRcRef<U> = OwningRef<Rc<dyn Erased>, U>;
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1161:42
[INFO] [stdout]      |
[INFO] [stdout] 1161 | pub type ErasedArcRef<U> = OwningRef<Arc<Erased>, U>;
[INFO] [stdout]      |                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1161 | pub type ErasedArcRef<U> = OwningRef<Arc<dyn Erased>, U>;
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1164:48
[INFO] [stdout]      |
[INFO] [stdout] 1164 | pub type ErasedBoxRefMut<U> = OwningRefMut<Box<Erased>, U>;
[INFO] [stdout]      |                                                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1164 | pub type ErasedBoxRefMut<U> = OwningRefMut<Box<dyn Erased>, U>;
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1018:16
[INFO] [stdout]      |
[INFO] [stdout] 1018 | impl Debug for Erased {
[INFO] [stdout]      |                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1018 | impl Debug for dyn Erased {
[INFO] [stdout]      |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1138:23
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     type Erased = Box<Erased + 'a>;
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     type Erased = Box<dyn Erased + 'a>;
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1144:22
[INFO] [stdout]      |
[INFO] [stdout] 1144 |     type Erased = Rc<Erased + 'a>;
[INFO] [stdout]      |                      ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1144 |     type Erased = Rc<dyn Erased + 'a>;
[INFO] [stdout]      |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1150:23
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     type Erased = Arc<Erased + 'a>;
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     type Erased = Arc<dyn Erased + 'a>;
[INFO] [stdout]      |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1157:42
[INFO] [stdout]      |
[INFO] [stdout] 1157 | pub type ErasedBoxRef<U> = OwningRef<Box<Erased>, U>;
[INFO] [stdout]      |                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1157 | pub type ErasedBoxRef<U> = OwningRef<Box<dyn Erased>, U>;
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1159:40
[INFO] [stdout]      |
[INFO] [stdout] 1159 | pub type ErasedRcRef<U> = OwningRef<Rc<Erased>, U>;
[INFO] [stdout]      |                                        ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1159 | pub type ErasedRcRef<U> = OwningRef<Rc<dyn Erased>, U>;
[INFO] [stdout]      |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1161:42
[INFO] [stdout]      |
[INFO] [stdout] 1161 | pub type ErasedArcRef<U> = OwningRef<Arc<Erased>, U>;
[INFO] [stdout]      |                                          ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1161 | pub type ErasedArcRef<U> = OwningRef<Arc<dyn Erased>, U>;
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1164:48
[INFO] [stdout]      |
[INFO] [stdout] 1164 | pub type ErasedBoxRefMut<U> = OwningRefMut<Box<Erased>, U>;
[INFO] [stdout]      |                                                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1164 | pub type ErasedBoxRefMut<U> = OwningRefMut<Box<dyn Erased>, U>;
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1287:27
[INFO] [stdout]      |
[INFO] [stdout] 1287 |             let o: BoxRef<Erased, i32> = o.erase_owner();
[INFO] [stdout]      |                           ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1287 |             let o: BoxRef<dyn Erased, i32> = o.erase_owner();
[INFO] [stdout]      |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:355:30
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn map<F, U: ?Sized>(self, f: F) -> OwningRef<O, U>
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:387:37
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn try_map<F, U: ?Sized, E>(self, f: F) -> Result<OwningRef<O, U>, E>
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:402:35
[INFO] [stdout]     |
[INFO] [stdout] 402 |     pub unsafe fn map_owner<F, P>(self, f: F) -> OwningRef<P, T>
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:418:26
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn map_owner_box(self) -> OwningRef<Box<O>, T> {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:457:28
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn erase_owner<'a>(self) -> OwningRef<O::Erased, T>
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:469:21
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn as_owner(&self) -> &O {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:474:23
[INFO] [stdout]     |
[INFO] [stdout] 474 |     pub fn into_owner(self) -> O {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:537:30
[INFO] [stdout]     |
[INFO] [stdout] 537 |     pub fn map<F, U: ?Sized>(mut self, f: F) -> OwningRef<O, U>
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:567:34
[INFO] [stdout]     |
[INFO] [stdout] 567 |     pub fn map_mut<F, U: ?Sized>(mut self, f: F) -> OwningRefMut<O, U>
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:599:37
[INFO] [stdout]     |
[INFO] [stdout] 599 |     pub fn try_map<F, U: ?Sized, E>(mut self, f: F) -> Result<OwningRef<O, U>, E>
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:631:41
[INFO] [stdout]     |
[INFO] [stdout] 631 |     pub fn try_map_mut<F, U: ?Sized, E>(mut self, f: F) -> Result<OwningRefMut<O, U>, E>
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:646:35
[INFO] [stdout]     |
[INFO] [stdout] 646 |     pub unsafe fn map_owner<F, P>(self, f: F) -> OwningRefMut<P, T>
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:662:26
[INFO] [stdout]     |
[INFO] [stdout] 662 |     pub fn map_owner_box(self) -> OwningRefMut<Box<O>, T> {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:701:28
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn erase_owner<'a>(self) -> OwningRefMut<O::Erased, T>
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:713:21
[INFO] [stdout]     |
[INFO] [stdout] 713 |     pub fn as_owner(&self) -> &O {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:718:25
[INFO] [stdout]     |
[INFO] [stdout] 718 |     pub fn as_owner_mut(&mut self) -> &mut O {
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:723:23
[INFO] [stdout]     |
[INFO] [stdout] 723 |     pub fn into_owner(self) -> O {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1408:33
[INFO] [stdout]      |
[INFO] [stdout] 1408 |             let e: OwningRef<Rc<Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1408 |             let e: OwningRef<Rc<dyn Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1409:33
[INFO] [stdout]      |
[INFO] [stdout] 1409 |             let f: OwningRef<Rc<Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1409 |             let f: OwningRef<Rc<dyn Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl_owning_ref` (lib) due to 17 previous errors; 12 warnings emitted
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1425:35
[INFO] [stdout]      |
[INFO] [stdout] 1425 |             let _e: OwningRef<Box<Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                   ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1425 |             let _e: OwningRef<Box<dyn Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1426:35
[INFO] [stdout]      |
[INFO] [stdout] 1426 |             let _f: OwningRef<Box<Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                   ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1426 |             let _f: OwningRef<Box<dyn Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1434:24
[INFO] [stdout]      |
[INFO] [stdout] 1434 |             let y: Box<Any> = x;
[INFO] [stdout]      |                        ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1434 |             let y: Box<dyn Any> = x;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1444:24
[INFO] [stdout]      |
[INFO] [stdout] 1444 |             let y: Box<Any> = x;
[INFO] [stdout]      |                        ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1444 |             let y: Box<dyn Any> = x;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1725:30
[INFO] [stdout]      |
[INFO] [stdout] 1725 |             let o: BoxRefMut<Erased, i32> = o.erase_owner();
[INFO] [stdout]      |                              ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1725 |             let o: BoxRefMut<dyn Erased, i32> = o.erase_owner();
[INFO] [stdout]      |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1827:38
[INFO] [stdout]      |
[INFO] [stdout] 1827 |             let _e: OwningRefMut<Box<Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                      ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1827 |             let _e: OwningRefMut<Box<dyn Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1828:38
[INFO] [stdout]      |
[INFO] [stdout] 1828 |             let _f: OwningRefMut<Box<Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                      ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1828 |             let _f: OwningRefMut<Box<dyn Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1841:38
[INFO] [stdout]      |
[INFO] [stdout] 1841 |             let _e: OwningRefMut<Box<Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                      ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1841 |             let _e: OwningRefMut<Box<dyn Erased>, [u8]> = c.erase_owner();
[INFO] [stdout]      |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1842:38
[INFO] [stdout]      |
[INFO] [stdout] 1842 |             let _f: OwningRefMut<Box<Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                      ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1842 |             let _f: OwningRefMut<Box<dyn Erased>, [u8]> = d.erase_owner();
[INFO] [stdout]      |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1850:24
[INFO] [stdout]      |
[INFO] [stdout] 1850 |             let y: Box<Any> = x;
[INFO] [stdout]      |                        ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1850 |             let y: Box<dyn Any> = x;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1860:24
[INFO] [stdout]      |
[INFO] [stdout] 1860 |             let y: Box<Any> = x;
[INFO] [stdout]      |                        ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1860 |             let y: Box<dyn Any> = x;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1870:24
[INFO] [stdout]      |
[INFO] [stdout] 1870 |             let y: Box<Any> = x;
[INFO] [stdout]      |                        ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1870 |             let y: Box<dyn Any> = x;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1880:24
[INFO] [stdout]      |
[INFO] [stdout] 1880 |             let y: Box<Any> = x;
[INFO] [stdout]      |                        ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1880 |             let y: Box<dyn Any> = x;
[INFO] [stdout]      |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:355:30
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn map<F, U: ?Sized>(self, f: F) -> OwningRef<O, U>
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:387:37
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn try_map<F, U: ?Sized, E>(self, f: F) -> Result<OwningRef<O, U>, E>
[INFO] [stdout]     |                                     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:402:35
[INFO] [stdout]     |
[INFO] [stdout] 402 |     pub unsafe fn map_owner<F, P>(self, f: F) -> OwningRef<P, T>
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:418:26
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub fn map_owner_box(self) -> OwningRef<Box<O>, T> {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:457:28
[INFO] [stdout]     |
[INFO] [stdout] 457 |     pub fn erase_owner<'a>(self) -> OwningRef<O::Erased, T>
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:469:21
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn as_owner(&self) -> &O {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:474:23
[INFO] [stdout]     |
[INFO] [stdout] 474 |     pub fn into_owner(self) -> O {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 882 | impl<O, T: ?Sized> Deref for OwningRef<O, T> {
[INFO] [stdout]     | -------------------------------------------- trait implemented here
[INFO] [stdout] 883 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:537:30
[INFO] [stdout]     |
[INFO] [stdout] 537 |     pub fn map<F, U: ?Sized>(mut self, f: F) -> OwningRef<O, U>
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:567:34
[INFO] [stdout]     |
[INFO] [stdout] 567 |     pub fn map_mut<F, U: ?Sized>(mut self, f: F) -> OwningRefMut<O, U>
[INFO] [stdout]     |                                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:599:37
[INFO] [stdout]     |
[INFO] [stdout] 599 |     pub fn try_map<F, U: ?Sized, E>(mut self, f: F) -> Result<OwningRef<O, U>, E>
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:631:41
[INFO] [stdout]     |
[INFO] [stdout] 631 |     pub fn try_map_mut<F, U: ?Sized, E>(mut self, f: F) -> Result<OwningRefMut<O, U>, E>
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:646:35
[INFO] [stdout]     |
[INFO] [stdout] 646 |     pub unsafe fn map_owner<F, P>(self, f: F) -> OwningRefMut<P, T>
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:662:26
[INFO] [stdout]     |
[INFO] [stdout] 662 |     pub fn map_owner_box(self) -> OwningRefMut<Box<O>, T> {
[INFO] [stdout]     |                          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:701:28
[INFO] [stdout]     |
[INFO] [stdout] 701 |     pub fn erase_owner<'a>(self) -> OwningRefMut<O::Erased, T>
[INFO] [stdout]     |                            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:713:21
[INFO] [stdout]     |
[INFO] [stdout] 713 |     pub fn as_owner(&self) -> &O {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:718:25
[INFO] [stdout]     |
[INFO] [stdout] 718 |     pub fn as_owner_mut(&mut self) -> &mut O {
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/lib.rs:723:23
[INFO] [stdout]     |
[INFO] [stdout] 723 |     pub fn into_owner(self) -> O {
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 892 | impl<O, T: ?Sized> Deref for OwningRefMut<O, T> {
[INFO] [stdout]     | ----------------------------------------------- trait implemented here
[INFO] [stdout] 893 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]     --> src/lib.rs:1436:13
[INFO] [stdout]      |
[INFO] [stdout] 1436 |             OwningRef::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_ok();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1436 |             let _ = OwningRef::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_ok();
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_err` that must be used
[INFO] [stdout]     --> src/lib.rs:1446:13
[INFO] [stdout]      |
[INFO] [stdout] 1446 |             OwningRef::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_err();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1446 |             let _ = OwningRef::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_err();
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]     --> src/lib.rs:1639:53
[INFO] [stdout]      |
[INFO] [stdout] 1639 |             let mut_s: &'static mut [u8] = unsafe { &mut MUT_S };
[INFO] [stdout]      |                                                     ^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]      |
[INFO] [stdout] 1639 |             let mut_s: &'static mut [u8] = unsafe { &raw mut MUT_S };
[INFO] [stdout]      |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]     --> src/lib.rs:1852:13
[INFO] [stdout]      |
[INFO] [stdout] 1852 |             OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::<i32>().ok_or(())).is_ok();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1852 |             let _ = OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::<i32>().ok_or(())).is_ok();
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_err` that must be used
[INFO] [stdout]     --> src/lib.rs:1862:13
[INFO] [stdout]      |
[INFO] [stdout] 1862 |             OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::<i32>().ok_or(())).is_err();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1862 |             let _ = OwningRefMut::new(y).try_map_mut(|x| x.downcast_mut::<i32>().ok_or(())).is_err();
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]     --> src/lib.rs:1872:13
[INFO] [stdout]      |
[INFO] [stdout] 1872 |             OwningRefMut::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_ok();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1872 |             let _ = OwningRefMut::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_ok();
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_err` that must be used
[INFO] [stdout]     --> src/lib.rs:1882:13
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             OwningRefMut::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_err();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this is err, consider `.unwrap_err()` instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1882 |             let _ = OwningRefMut::new(y).try_map(|x| x.downcast_ref::<i32>().ok_or(())).is_err();
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl_owning_ref` (lib test) due to 17 previous errors; 35 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "97080ec88f86e64dcd3d65471726fafda1f5c4b1954d4df8796fa425ae0d3fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97080ec88f86e64dcd3d65471726fafda1f5c4b1954d4df8796fa425ae0d3fa1", kill_on_drop: false }`
[INFO] [stdout] 97080ec88f86e64dcd3d65471726fafda1f5c4b1954d4df8796fa425ae0d3fa1