[INFO] fetching crate lenses 0.1.0... [INFO] testing lenses-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate lenses 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate lenses 0.1.0 [INFO] finished tweaking crates.io crate lenses 0.1.0 [INFO] tweaked toml for crates.io crate lenses 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lenses 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3155adba100895bba5cb4123c251ad9715f4a5158e60d317285d5377e7580b09 [INFO] running `Command { std: "docker" "start" "-a" "3155adba100895bba5cb4123c251ad9715f4a5158e60d317285d5377e7580b09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3155adba100895bba5cb4123c251ad9715f4a5158e60d317285d5377e7580b09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3155adba100895bba5cb4123c251ad9715f4a5158e60d317285d5377e7580b09", kill_on_drop: false }` [INFO] [stdout] 3155adba100895bba5cb4123c251ad9715f4a5158e60d317285d5377e7580b09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c65efaf8c755718cd0431d99bc860939c4475bfd8416a1d74f5a23ae6506d38a [INFO] running `Command { std: "docker" "start" "-a" "c65efaf8c755718cd0431d99bc860939c4475bfd8416a1d74f5a23ae6506d38a", kill_on_drop: false }` [INFO] [stderr] Compiling lenses v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:24:35 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] 24 | pub fn lens<'a, S, A>(getter: &'a dyn Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:24:60 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a dyn Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:79:15 [INFO] [stdout] | [INFO] [stdout] 79 | view: &'a Fn(&S) -> A, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | view: &'a dyn Fn(&S) -> A, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:80:14 [INFO] [stdout] | [INFO] [stdout] 80 | set: &'a Fn (&S, &A) -> S, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 80 | set: &'a dyn Fn (&S, &A) -> S, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | lhs: &'a Lens, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 | lhs: &'a dyn Lens, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | rhs: &'a Lens, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 85 | rhs: &'a dyn Lens, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s Fn(&'a mut S) -> &'a mut A); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s 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/mutable.rs:22:14 [INFO] [stdout] | [INFO] [stdout] 22 | lhs: &'s ModLens<'a, S, A>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | lhs: &'s dyn ModLens<'a, S, A>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | rhs: &'s ModLens<'a, A, B>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | rhs: &'s dyn ModLens<'a, A, B>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a dyn Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:31:59 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a dyn Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:38:46 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s dyn ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:38:74 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s dyn ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:45:43 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s dyn Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "c65efaf8c755718cd0431d99bc860939c4475bfd8416a1d74f5a23ae6506d38a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c65efaf8c755718cd0431d99bc860939c4475bfd8416a1d74f5a23ae6506d38a", kill_on_drop: false }` [INFO] [stdout] c65efaf8c755718cd0431d99bc860939c4475bfd8416a1d74f5a23ae6506d38a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa81917ba858d1c41010a5bd897e9980c6408ce8945338f4cb69e7f5cc751d68 [INFO] running `Command { std: "docker" "start" "-a" "aa81917ba858d1c41010a5bd897e9980c6408ce8945338f4cb69e7f5cc751d68", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:24:35 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] 24 | pub fn lens<'a, S, A>(getter: &'a dyn Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:24:60 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a dyn Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:79:15 [INFO] [stdout] | [INFO] [stdout] 79 | view: &'a Fn(&S) -> A, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | view: &'a dyn Fn(&S) -> A, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:80:14 [INFO] [stdout] | [INFO] [stdout] 80 | set: &'a Fn (&S, &A) -> S, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 80 | set: &'a dyn Fn (&S, &A) -> S, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | lhs: &'a Lens, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 | lhs: &'a dyn Lens, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | rhs: &'a Lens, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 85 | rhs: &'a dyn Lens, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s Fn(&'a mut S) -> &'a mut A); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s 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/mutable.rs:22:14 [INFO] [stdout] | [INFO] [stdout] 22 | lhs: &'s ModLens<'a, S, A>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | lhs: &'s dyn ModLens<'a, S, A>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | rhs: &'s ModLens<'a, A, B>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | rhs: &'s dyn ModLens<'a, A, B>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a dyn Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:31:59 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a dyn Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:38:46 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s dyn ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:38:74 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s dyn ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:45:43 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s dyn Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lenses v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `flag` is never read [INFO] [stdout] --> tests/lens.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Country<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 5 | name: &'a str, [INFO] [stdout] 6 | flag: i64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Country` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `address` and `zip` are never read [INFO] [stdout] --> tests/lens.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ExternalAddress<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 11 | address: &'a str, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | zip: i64, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExternalAddress` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `first_name`, `last_name`, and `office_address` are never read [INFO] [stdout] --> tests/lens.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct PersonInfo<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 18 | first_name: &'a str, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 19 | last_name: &'a str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 20 | personal_address: ExternalAddress<'a>, [INFO] [stdout] 21 | office_address: ExternalAddress<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PersonInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:24:35 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] 24 | pub fn lens<'a, S, A>(getter: &'a dyn Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:24:60 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a dyn Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:79:15 [INFO] [stdout] | [INFO] [stdout] 79 | view: &'a Fn(&S) -> A, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | view: &'a dyn Fn(&S) -> A, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:80:14 [INFO] [stdout] | [INFO] [stdout] 80 | set: &'a Fn (&S, &A) -> S, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 80 | set: &'a dyn Fn (&S, &A) -> S, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:84:14 [INFO] [stdout] | [INFO] [stdout] 84 | lhs: &'a Lens, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 | lhs: &'a dyn Lens, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | rhs: &'a Lens, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 85 | rhs: &'a dyn Lens, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:20:42 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s Fn(&'a mut S) -> &'a mut A); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s 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/mutable.rs:22:14 [INFO] [stdout] | [INFO] [stdout] 22 | lhs: &'s ModLens<'a, S, A>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | lhs: &'s dyn ModLens<'a, S, A>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | rhs: &'s ModLens<'a, A, B>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | rhs: &'s dyn ModLens<'a, A, B>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:31:38 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a dyn Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lens.rs:31:59 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a dyn Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:38:46 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s dyn ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:38:74 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s dyn ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mutable.rs:45:43 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s dyn Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `flag` is never read [INFO] [stdout] --> tests/mutable.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Country<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 6 | name: &'a str, [INFO] [stdout] 7 | flag: i64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Country` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `address` and `zip` are never read [INFO] [stdout] --> tests/mutable.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct ExternalAddress<'a> { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 12 | address: &'a str, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 13 | zip: i64, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExternalAddress` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "aa81917ba858d1c41010a5bd897e9980c6408ce8945338f4cb69e7f5cc751d68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa81917ba858d1c41010a5bd897e9980c6408ce8945338f4cb69e7f5cc751d68", kill_on_drop: false }` [INFO] [stdout] aa81917ba858d1c41010a5bd897e9980c6408ce8945338f4cb69e7f5cc751d68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 278c9c19acbe17925eed2e3aa65624eb5d7af07b48ec9dd94162005e6c5ab569 [INFO] running `Command { std: "docker" "start" "-a" "278c9c19acbe17925eed2e3aa65624eb5d7af07b48ec9dd94162005e6c5ab569", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:24:35 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 24 | pub fn lens<'a, S, A>(getter: &'a dyn Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:24:60 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 24 | pub fn lens<'a, S, A>(getter: &'a Fn(&S) -> A, setter: &'a dyn Fn(&S, &A) -> S) -> LensImpl<'a, S, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:79:15 [INFO] [stderr] | [INFO] [stderr] 79 | view: &'a Fn(&S) -> A, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 79 | view: &'a dyn Fn(&S) -> A, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:80:14 [INFO] [stderr] | [INFO] [stderr] 80 | set: &'a Fn (&S, &A) -> S, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 80 | set: &'a dyn Fn (&S, &A) -> S, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:84:14 [INFO] [stderr] | [INFO] [stderr] 84 | lhs: &'a Lens, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 84 | lhs: &'a dyn Lens, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:85:14 [INFO] [stderr] | [INFO] [stderr] 85 | rhs: &'a Lens, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 85 | rhs: &'a dyn Lens, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mutable.rs:20:42 [INFO] [stderr] | [INFO] [stderr] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s Fn(&'a mut S) -> &'a mut A); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 20 | pub struct ModLensImpl<'a, 's, S, A>(&'s 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/mutable.rs:22:14 [INFO] [stderr] | [INFO] [stderr] 22 | lhs: &'s ModLens<'a, S, A>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 22 | lhs: &'s dyn ModLens<'a, S, A>, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mutable.rs:23:14 [INFO] [stderr] | [INFO] [stderr] 23 | rhs: &'s ModLens<'a, A, B>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 23 | rhs: &'s dyn ModLens<'a, A, B>, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:31:38 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 31 | pub fn compose<'a, S, A, B>(lhs: &'a dyn Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lens.rs:31:59 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 31 | pub fn compose<'a, S, A, B>(lhs: &'a Lens, rhs: &'a dyn Lens) -> CompoundLensImpl<'a, S, A, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mutable.rs:38:46 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s dyn ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mutable.rs:38:74 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 38 | pub fn mod_compose<'a, 's, S, A, B>(lhs: &'s ModLens<'a, S, A>, rhs: &'s dyn ModLens<'a, A, B>) -> ModLensCompoundImpl<'a, 's, S, A, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mutable.rs:45:43 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 45 | pub fn mod_lens<'a, 's, S, A>(getter: &'s dyn Fn(&'a mut S) -> &'a mut A) -> ModLensImpl<'a, 's, S, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `lenses` (lib) generated 14 warnings (run `cargo fix --lib -p lenses` to apply 14 suggestions) [INFO] [stderr] warning: field `flag` is never read [INFO] [stderr] --> tests/lens.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 4 | struct Country<'a> { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 5 | name: &'a str, [INFO] [stderr] 6 | flag: i64, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Country` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `address` and `zip` are never read [INFO] [stderr] --> tests/lens.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 10 | struct ExternalAddress<'a> { [INFO] [stderr] | --------------- fields in this struct [INFO] [stderr] 11 | address: &'a str, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 12 | zip: i64, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ExternalAddress` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `first_name`, `last_name`, and `office_address` are never read [INFO] [stderr] --> tests/lens.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 17 | struct PersonInfo<'a> { [INFO] [stderr] | ---------- fields in this struct [INFO] [stderr] 18 | first_name: &'a str, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 19 | last_name: &'a str, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 20 | personal_address: ExternalAddress<'a>, [INFO] [stderr] 21 | office_address: ExternalAddress<'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `PersonInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `flag` is never read [INFO] [stderr] --> tests/mutable.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 5 | struct Country<'a> { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 6 | name: &'a str, [INFO] [stderr] 7 | flag: i64, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Country` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `address` and `zip` are never read [INFO] [stderr] --> tests/mutable.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 11 | struct ExternalAddress<'a> { [INFO] [stderr] | --------------- fields in this struct [INFO] [stderr] 12 | address: &'a str, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 13 | zip: i64, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ExternalAddress` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `lenses` (test "lens") generated 3 warnings [INFO] [stderr] warning: `lenses` (test "mutable") generated 2 warnings [INFO] [stderr] warning: `lenses` (lib test) generated 14 warnings (14 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lenses-27ef04cc2a3c2d58) [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] [stderr] Running tests/lens.rs (/opt/rustwide/target/debug/deps/lens-18b8793d8c08fea5) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test main ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/mutable.rs (/opt/rustwide/target/debug/deps/mutable-23783b4b4374c5df) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test1 ... 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] [stderr] Doc-tests lenses [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" "278c9c19acbe17925eed2e3aa65624eb5d7af07b48ec9dd94162005e6c5ab569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "278c9c19acbe17925eed2e3aa65624eb5d7af07b48ec9dd94162005e6c5ab569", kill_on_drop: false }` [INFO] [stdout] 278c9c19acbe17925eed2e3aa65624eb5d7af07b48ec9dd94162005e6c5ab569