[INFO] fetching crate refraction 0.1.2...
[INFO] testing refraction-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate refraction 0.1.2 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate refraction 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refraction 0.1.2
[INFO] finished tweaking crates.io crate refraction 0.1.2
[INFO] tweaked toml for crates.io crate refraction 0.1.2 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52ddf34f214d0082cd0334463504eb8978b084f251edf17567e337ed42d83cc2
[INFO] running `Command { std: "docker" "start" "-a" "52ddf34f214d0082cd0334463504eb8978b084f251edf17567e337ed42d83cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ddf34f214d0082cd0334463504eb8978b084f251edf17567e337ed42d83cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ddf34f214d0082cd0334463504eb8978b084f251edf17567e337ed42d83cc2", kill_on_drop: false }`
[INFO] [stdout] 52ddf34f214d0082cd0334463504eb8978b084f251edf17567e337ed42d83cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520598301de4aef26307792bf6bf32b9565fd392a8a875628bfa8458a807766f
[INFO] running `Command { std: "docker" "start" "-a" "520598301de4aef26307792bf6bf32b9565fd392a8a875628bfa8458a807766f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling refraction v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout] 79 +     phantom_ss: PhantomData<dyn Fn(S) -> S>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 -     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stdout] 80 +     phantom_tt: PhantomData<dyn Fn(T) -> T>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |     phantom_ua: PhantomData<Fn(()) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 -     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stdout] 227 +     phantom_ua: PhantomData<dyn Fn(()) -> A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 228 -     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stdout] 228 +     phantom_bu: PhantomData<dyn Fn(B) -> ()>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:332:29
[INFO] [stdout]     |
[INFO] [stdout] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 332 -     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stdout] 332 +     phantom_su: PhantomData<dyn Fn(S) -> ()>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 333 -     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stdout] 333 +     phantom_us: PhantomData<dyn Fn(()) -> S>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phantom_sa: PhantomData<Fn(S) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stdout] 10 +     phantom_sa: PhantomData<dyn Fn(S) -> A>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stdout] 11 +     phantom_bt: PhantomData<dyn Fn(B) -> T>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 197 -     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stdout] 197 +     phantom_sa: PhantomData<dyn Fn(&'a S) -> &'a A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 -     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stdout] 198 +     phantom_bt: PhantomData<dyn Fn(&'a B) -> &'a T>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 384 -     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout] 384 +     phantom_sa: PhantomData<dyn Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:385:29
[INFO] [stdout]     |
[INFO] [stdout] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 385 -     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout] 385 +     phantom_bt: PhantomData<dyn Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout] 33 +     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout] 40 +     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/partial_lens.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout] 3 + pub type Injector<'l, X, Y> = Box<dyn FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "520598301de4aef26307792bf6bf32b9565fd392a8a875628bfa8458a807766f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520598301de4aef26307792bf6bf32b9565fd392a8a875628bfa8458a807766f", kill_on_drop: false }`
[INFO] [stdout] 520598301de4aef26307792bf6bf32b9565fd392a8a875628bfa8458a807766f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7a3481b6095ee8a805250145093dabf5b4eb12239df02c63bf5d1a3935e69c
[INFO] running `Command { std: "docker" "start" "-a" "fb7a3481b6095ee8a805250145093dabf5b4eb12239df02c63bf5d1a3935e69c", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout] 79 +     phantom_ss: PhantomData<dyn Fn(S) -> S>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 -     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stdout] 80 +     phantom_tt: PhantomData<dyn Fn(T) -> T>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |     phantom_ua: PhantomData<Fn(()) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 -     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stdout] 227 +     phantom_ua: PhantomData<dyn Fn(()) -> A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling refraction v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 228 -     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stdout] 228 +     phantom_bu: PhantomData<dyn Fn(B) -> ()>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:332:29
[INFO] [stdout]     |
[INFO] [stdout] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 332 -     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stdout] 332 +     phantom_su: PhantomData<dyn Fn(S) -> ()>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 333 -     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stdout] 333 +     phantom_us: PhantomData<dyn Fn(()) -> S>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phantom_sa: PhantomData<Fn(S) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stdout] 10 +     phantom_sa: PhantomData<dyn Fn(S) -> A>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stdout] 11 +     phantom_bt: PhantomData<dyn Fn(B) -> T>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 197 -     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stdout] 197 +     phantom_sa: PhantomData<dyn Fn(&'a S) -> &'a A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 -     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stdout] 198 +     phantom_bt: PhantomData<dyn Fn(&'a B) -> &'a T>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 384 -     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout] 384 +     phantom_sa: PhantomData<dyn Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:385:29
[INFO] [stdout]     |
[INFO] [stdout] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 385 -     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout] 385 +     phantom_bt: PhantomData<dyn Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout] 33 +     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout] 40 +     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/partial_lens.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout] 3 + pub type Injector<'l, X, Y> = Box<dyn FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ops.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stdout]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `field_lens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout] 79 +     phantom_ss: PhantomData<dyn Fn(S) -> S>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 -     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stdout] 80 +     phantom_tt: PhantomData<dyn Fn(T) -> T>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |     phantom_ua: PhantomData<Fn(()) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 227 -     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stdout] 227 +     phantom_ua: PhantomData<dyn Fn(()) -> A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 228 -     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stdout] 228 +     phantom_bu: PhantomData<dyn Fn(B) -> ()>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:332:29
[INFO] [stdout]     |
[INFO] [stdout] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 332 -     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stdout] 332 +     phantom_su: PhantomData<dyn Fn(S) -> ()>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 333 -     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stdout] 333 +     phantom_us: PhantomData<dyn Fn(()) -> S>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phantom_sa: PhantomData<Fn(S) -> 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stdout] 10 +     phantom_sa: PhantomData<dyn Fn(S) -> A>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stdout] 11 +     phantom_bt: PhantomData<dyn Fn(B) -> T>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 197 -     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stdout] 197 +     phantom_sa: PhantomData<dyn Fn(&'a S) -> &'a A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 198 -     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stdout] 198 +     phantom_bt: PhantomData<dyn Fn(&'a B) -> &'a T>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 384 -     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout] 384 +     phantom_sa: PhantomData<dyn Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:385:29
[INFO] [stdout]     |
[INFO] [stdout] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 385 -     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout] 385 +     phantom_bt: PhantomData<dyn Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout] 33 +     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 -     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout] 40 +     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/partial_lens.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout] 3 + pub type Injector<'l, X, Y> = Box<dyn FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `String` does not permit being left uninitialized
[INFO] [stdout]    --> src/ops.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this code causes undefined behavior when executed
[INFO] [stdout]     |                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stdout]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stdout]     = note: this warning originates in the macro `field_lens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/refraction-f984ada0bc596a26)
[INFO] running `Command { std: "docker" "inspect" "fb7a3481b6095ee8a805250145093dabf5b4eb12239df02c63bf5d1a3935e69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7a3481b6095ee8a805250145093dabf5b4eb12239df02c63bf5d1a3935e69c", kill_on_drop: false }`
[INFO] [stdout] fb7a3481b6095ee8a805250145093dabf5b4eb12239df02c63bf5d1a3935e69c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a947ce6cd46c6c4110af9661dbf3231580eb091e74d3dfe72a2e4f47ff9df133
[INFO] running `Command { std: "docker" "start" "-a" "a947ce6cd46c6c4110af9661dbf3231580eb091e74d3dfe72a2e4f47ff9df133", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 79 -     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stderr] 79 +     phantom_ss: PhantomData<dyn Fn(S) -> S>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 80 -     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stderr] 80 +     phantom_tt: PhantomData<dyn Fn(T) -> T>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:227:29
[INFO] [stderr]     |
[INFO] [stderr] 227 |     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 227 -     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stderr] 227 +     phantom_ua: PhantomData<dyn Fn(()) -> A>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:228:29
[INFO] [stderr]     |
[INFO] [stderr] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 228 -     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stderr] 228 +     phantom_bu: PhantomData<dyn Fn(B) -> ()>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:332:29
[INFO] [stderr]     |
[INFO] [stderr] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 332 -     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stderr] 332 +     phantom_su: PhantomData<dyn Fn(S) -> ()>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:333:29
[INFO] [stderr]     |
[INFO] [stderr] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 333 -     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stderr] 333 +     phantom_us: PhantomData<dyn Fn(()) -> S>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conv.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stderr] 10 +     phantom_sa: PhantomData<dyn Fn(S) -> A>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conv.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stderr] 11 +     phantom_bt: PhantomData<dyn Fn(B) -> T>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:197:29
[INFO] [stderr]     |
[INFO] [stderr] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 197 -     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stderr] 197 +     phantom_sa: PhantomData<dyn Fn(&'a S) -> &'a A>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:198:29
[INFO] [stderr]     |
[INFO] [stderr] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 198 -     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stderr] 198 +     phantom_bt: PhantomData<dyn Fn(&'a B) -> &'a T>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:384:29
[INFO] [stderr]     |
[INFO] [stderr] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 384 -     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stderr] 384 +     phantom_sa: PhantomData<dyn Fn(&'a mut S) -> &'a mut A>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:385:29
[INFO] [stderr]     |
[INFO] [stderr] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 385 -     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stderr] 385 +     phantom_bt: PhantomData<dyn Fn(&'a mut B) -> &'a mut T>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:55
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 -     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr] 33 +     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 40 -     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr] 40 +     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<dyn FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/partial_lens.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 3 - pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stderr] 3 + pub type Injector<'l, X, Y> = Box<dyn FnMut(X) -> Option<Y> + 'l>;
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: `refraction` (lib) generated 15 warnings
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/ops.rs:119:43
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stderr]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `field_lens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the type `String` does not permit being left uninitialized
[INFO] [stderr]    --> src/ops.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this code causes undefined behavior when executed
[INFO] [stderr]     |                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr] ...
[INFO] [stderr] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stderr]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stderr]     = note: this warning originates in the macro `field_lens` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `refraction` (lib test) generated 17 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/refraction-f984ada0bc596a26)
[INFO] [stderr]    Doc-tests refraction
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ops::test::test_field_lens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a947ce6cd46c6c4110af9661dbf3231580eb091e74d3dfe72a2e4f47ff9df133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a947ce6cd46c6c4110af9661dbf3231580eb091e74d3dfe72a2e4f47ff9df133", kill_on_drop: false }`
[INFO] [stdout] a947ce6cd46c6c4110af9661dbf3231580eb091e74d3dfe72a2e4f47ff9df133