[INFO] cloning repository https://github.com/DarkKitsune/pictofox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarkKitsune/pictofox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkKitsune%2Fpictofox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkKitsune%2Fpictofox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c80a22aecf9487e0a0b518ec6c7d5f90f85d9437
[INFO] testing DarkKitsune/pictofox against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarkKitsune%2Fpictofox" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarkKitsune/pictofox 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 git repo https://github.com/DarkKitsune/pictofox
[INFO] finished tweaking git repo https://github.com/DarkKitsune/pictofox
[INFO] tweaked toml for git repo https://github.com/DarkKitsune/pictofox written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/DarkKitsune/pictofox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0730a4d5e78e9e0c9d506c2f0705f1f393c42fa8061cfa04dd4902ab5644feb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0730a4d5e78e9e0c9d506c2f0705f1f393c42fa8061cfa04dd4902ab5644feb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0730a4d5e78e9e0c9d506c2f0705f1f393c42fa8061cfa04dd4902ab5644feb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0730a4d5e78e9e0c9d506c2f0705f1f393c42fa8061cfa04dd4902ab5644feb5", kill_on_drop: false }`
[INFO] [stdout] 0730a4d5e78e9e0c9d506c2f0705f1f393c42fa8061cfa04dd4902ab5644feb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f19a3346905cbb73e90acf4d2f76e02c83adab8ed4cc799ee94872c12c12815
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f19a3346905cbb73e90acf4d2f76e02c83adab8ed4cc799ee94872c12c12815", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
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[INFO] [stderr]    Compiling cc v1.0.40
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[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling num-derive v0.2.5
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[INFO] [stderr]    Compiling walkdir v2.2.9
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[INFO] [stderr]    Compiling parking_lot_core v0.5.0
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[INFO] [stderr]    Compiling osmesa-sys v0.1.2
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[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling float_duration v0.3.3
[INFO] [stderr]    Compiling game_time v0.2.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling rental-impl v0.5.4
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling rental v0.5.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.2
[INFO] [stderr]    Compiling glutin v0.21.0
[INFO] [stderr]    Compiling pictofox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/effect/mod.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | / rental! {
[INFO] [stdout] 113 | |     mod rentals {
[INFO] [stdout] 114 | |         use super::SimpleFrameBuffer;
[INFO] [stdout] 115 | |         use super::EffectFrameBufferTextures;
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |     }
[INFO] [stdout] 123 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this warning originates in the macro `rental` (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/effect/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[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 2018) 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] 19 -     Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[INFO] [stdout] 19 +     dyn Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/components/transform.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     parent: Option<Managed<Object>>,
[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 <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 -     parent: Option<Managed<Object>>,
[INFO] [stdout] 10 +     parent: Option<Managed<dyn Object>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/objects/canvas.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     parent: Option<Managed<Object>>,
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 -     parent: Option<Managed<Object>>,
[INFO] [stdout] 14 +     parent: Option<Managed<dyn Object>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parent(&self) -> Option<Managed<Object>>;
[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 <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 -     fn parent(&self) -> Option<Managed<Object>>;
[INFO] [stdout] 11 +     fn parent(&self) -> Option<Managed<dyn Object>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_parent(&self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_parent(&self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 26 +     fn using_parent_mut(&mut self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 26 +     fn using_parent_mut(&mut self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/foxerror.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_error<S>(description: S, cause: Box<Error>) -> Self
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn from_error<S>(description: S, cause: Box<Error>) -> Self
[INFO] [stdout] 22 +     pub fn from_error<S>(description: S, cause: Box<dyn Error>) -> Self
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/foxerror.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn source(&self) -> Option<&'static Error> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn source(&self) -> Option<&'static Error> {
[INFO] [stdout] 68 +     fn source(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/object/component/mod.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn object(&self) -> Option<Managed<Object>>;
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     fn object(&self) -> Option<Managed<Object>>;
[INFO] [stdout] 9 +     fn object(&self) -> Option<Managed<dyn Object>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError>;
[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 <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 -     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError>;
[INFO] [stdout] 11 +     fn set_object(&mut self, obj: Managed<dyn Object>) -> Result<(), FoxError>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_object(&self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_object(&self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 -     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 23 +     fn using_object_mut(&mut self, f: Box<dyn FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:23:55
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 -     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 23 +     fn using_object_mut(&mut self, f: Box<FnOnce(&mut dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/objects/canvas.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |         parent: Option<Managed<Object>>,
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         parent: Option<Managed<Object>>,
[INFO] [stdout] 23 +         parent: Option<Managed<dyn Object>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/objects/canvas.rs:72:40
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn parent(&self) -> Option<Managed<Object>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 -     fn parent(&self) -> Option<Managed<Object>> {
[INFO] [stdout] 72 +     fn parent(&self) -> Option<Managed<dyn Object>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/components/transform.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn object(&self) -> Option<Managed<Object>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn object(&self) -> Option<Managed<Object>> {
[INFO] [stdout] 59 +     fn object(&self) -> Option<Managed<dyn Object>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/components/transform.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError> {
[INFO] [stdout] 63 +     fn set_object(&mut self, obj: Managed<dyn Object>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let cause_desc = self.description();
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         self.description(),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:51:67
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     write!(f, "Error {{ description: {} }}", self.description())?;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:55:63
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 write!(f, "Error {{ description: {} }}", self.description())?;
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `primitive_type`
[INFO] [stdout]   --> src/mesh/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     primitive_type: PrimitiveType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pictofox v0.1.0 (/opt/rustwide/workdir), rental v0.5.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "3f19a3346905cbb73e90acf4d2f76e02c83adab8ed4cc799ee94872c12c12815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f19a3346905cbb73e90acf4d2f76e02c83adab8ed4cc799ee94872c12c12815", kill_on_drop: false }`
[INFO] [stdout] 3f19a3346905cbb73e90acf4d2f76e02c83adab8ed4cc799ee94872c12c12815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edfeba501004c0ea5c993ee15b554fd291894cc3f91746c75865f50d8aeb1ddf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edfeba501004c0ea5c993ee15b554fd291894cc3f91746c75865f50d8aeb1ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling pictofox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `procedural-masquerade` crate
[INFO] [stdout]    --> src/effect/mod.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | / rental! {
[INFO] [stdout] 113 | |     mod rentals {
[INFO] [stdout] 114 | |         use super::SimpleFrameBuffer;
[INFO] [stdout] 115 | |         use super::EffectFrameBufferTextures;
[INFO] [stdout] ...   |
[INFO] [stdout] 122 | |     }
[INFO] [stdout] 123 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stdout]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stdout]     = note: this warning originates in the macro `rental` (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/effect/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[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 2018) 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] 19 -     Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[INFO] [stdout] 19 +     dyn Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/components/transform.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     parent: Option<Managed<Object>>,
[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 <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 -     parent: Option<Managed<Object>>,
[INFO] [stdout] 10 +     parent: Option<Managed<dyn Object>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/objects/canvas.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 |     parent: Option<Managed<Object>>,
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 -     parent: Option<Managed<Object>>,
[INFO] [stdout] 14 +     parent: Option<Managed<dyn Object>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parent(&self) -> Option<Managed<Object>>;
[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 <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 -     fn parent(&self) -> Option<Managed<Object>>;
[INFO] [stdout] 11 +     fn parent(&self) -> Option<Managed<dyn Object>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_parent(&self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_parent(&self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:26:43
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 26 +     fn using_parent_mut(&mut self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/mod.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 26 +     fn using_parent_mut(&mut self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/foxerror.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_error<S>(description: S, cause: Box<Error>) -> Self
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub fn from_error<S>(description: S, cause: Box<Error>) -> Self
[INFO] [stdout] 22 +     pub fn from_error<S>(description: S, cause: Box<dyn Error>) -> Self
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/foxerror.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn source(&self) -> Option<&'static Error> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 -     fn source(&self) -> Option<&'static Error> {
[INFO] [stdout] 68 +     fn source(&self) -> Option<&'static dyn Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/object/component/mod.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn object(&self) -> Option<Managed<Object>>;
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     fn object(&self) -> Option<Managed<Object>>;
[INFO] [stdout] 9 +     fn object(&self) -> Option<Managed<dyn Object>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError>;
[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 <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 -     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError>;
[INFO] [stdout] 11 +     fn set_object(&mut self, obj: Managed<dyn Object>) -> Result<(), FoxError>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_object(&self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 -     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 13 +     fn using_object(&self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 -     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 23 +     fn using_object_mut(&mut self, f: Box<dyn FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/mod.rs:23:55
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 -     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stdout] 23 +     fn using_object_mut(&mut self, f: Box<FnOnce(&mut dyn Object)>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/objects/canvas.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |         parent: Option<Managed<Object>>,
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         parent: Option<Managed<Object>>,
[INFO] [stdout] 23 +         parent: Option<Managed<dyn Object>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/objects/canvas.rs:72:40
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn parent(&self) -> Option<Managed<Object>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 -     fn parent(&self) -> Option<Managed<Object>> {
[INFO] [stdout] 72 +     fn parent(&self) -> Option<Managed<dyn Object>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/components/transform.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn object(&self) -> Option<Managed<Object>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn object(&self) -> Option<Managed<Object>> {
[INFO] [stdout] 59 +     fn object(&self) -> Option<Managed<dyn Object>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object/component/components/transform.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError> {
[INFO] [stdout] 63 +     fn set_object(&mut self, obj: Managed<dyn Object>) -> Result<(), FoxError> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let cause_desc = self.description();
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         self.description(),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:51:67
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     write!(f, "Error {{ description: {} }}", self.description())?;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/foxerror.rs:55:63
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 write!(f, "Error {{ description: {} }}", self.description())?;
[INFO] [stdout]    |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `primitive_type`
[INFO] [stdout]   --> src/mesh/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     primitive_type: PrimitiveType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pictofox v0.1.0 (/opt/rustwide/workdir), rental v0.5.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/pictofox-525f4d3d89727c29)
[INFO] running `Command { std: "docker" "inspect" "edfeba501004c0ea5c993ee15b554fd291894cc3f91746c75865f50d8aeb1ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfeba501004c0ea5c993ee15b554fd291894cc3f91746c75865f50d8aeb1ddf", kill_on_drop: false }`
[INFO] [stdout] edfeba501004c0ea5c993ee15b554fd291894cc3f91746c75865f50d8aeb1ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01db8b81b8d0ee43e4c36f2b704d1fc7c15954fe40bc120cf255cda7b82e735f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01db8b81b8d0ee43e4c36f2b704d1fc7c15954fe40bc120cf255cda7b82e735f", kill_on_drop: false }`
[INFO] [stderr] warning: using `procedural-masquerade` crate
[INFO] [stderr]    --> src/effect/mod.rs:112:1
[INFO] [stderr]     |
[INFO] [stderr] 112 | / rental! {
[INFO] [stderr] 113 | |     mod rentals {
[INFO] [stderr] 114 | |         use super::SimpleFrameBuffer;
[INFO] [stderr] 115 | |         use super::EffectFrameBufferTextures;
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |     }
[INFO] [stderr] 123 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(proc_macro_back_compat)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
[INFO] [stderr]     = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling.
[INFO] [stderr]     = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/effect/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[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 2018) 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] 19 -     Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[INFO] [stderr] 19 +     dyn Fn(&Effect<S>, &Window, &mut S, &Content, &Vec<EffectDrawCommand>) -> Result<(), FoxError>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/components/transform.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 |     parent: Option<Managed<Object>>,
[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 <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 -     parent: Option<Managed<Object>>,
[INFO] [stderr] 10 +     parent: Option<Managed<dyn Object>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/objects/canvas.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 |     parent: Option<Managed<Object>>,
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 -     parent: Option<Managed<Object>>,
[INFO] [stderr] 14 +     parent: Option<Managed<dyn Object>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/mod.rs:11:40
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn parent(&self) -> Option<Managed<Object>>;
[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 <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 -     fn parent(&self) -> Option<Managed<Object>>;
[INFO] [stderr] 11 +     fn parent(&self) -> Option<Managed<dyn Object>>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/mod.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 13 +     fn using_parent(&self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/mod.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn using_parent(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 13 +     fn using_parent(&self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/mod.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 -     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 26 +     fn using_parent_mut(&mut self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/mod.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 -     fn using_parent_mut(&mut self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 26 +     fn using_parent_mut(&mut self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/foxerror.rs:22:53
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn from_error<S>(description: S, cause: Box<Error>) -> Self
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 -     pub fn from_error<S>(description: S, cause: Box<Error>) -> Self
[INFO] [stderr] 22 +     pub fn from_error<S>(description: S, cause: Box<dyn Error>) -> Self
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/foxerror.rs:68:41
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn source(&self) -> Option<&'static Error> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 -     fn source(&self) -> Option<&'static Error> {
[INFO] [stderr] 68 +     fn source(&self) -> Option<&'static dyn Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/object/component/mod.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn object(&self) -> Option<Managed<Object>>;
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -     fn object(&self) -> Option<Managed<Object>>;
[INFO] [stderr] 9 +     fn object(&self) -> Option<Managed<dyn Object>>;
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/mod.rs:11:43
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError>;
[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 <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 -     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError>;
[INFO] [stderr] 11 +     fn set_object(&mut self, obj: Managed<dyn Object>) -> Result<(), FoxError>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/mod.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 13 +     fn using_object(&self, f: Box<dyn FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/mod.rs:13:43
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 -     fn using_object(&self, f: Box<FnOnce(&Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 13 +     fn using_object(&self, f: Box<FnOnce(&dyn Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/mod.rs:23:43
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 -     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 23 +     fn using_object_mut(&mut self, f: Box<dyn FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/mod.rs:23:55
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 -     fn using_object_mut(&mut self, f: Box<FnOnce(&mut Object)>) -> Result<(), FoxError> {
[INFO] [stderr] 23 +     fn using_object_mut(&mut self, f: Box<FnOnce(&mut dyn Object)>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/objects/canvas.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |         parent: Option<Managed<Object>>,
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 23 -         parent: Option<Managed<Object>>,
[INFO] [stderr] 23 +         parent: Option<Managed<dyn Object>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/objects/canvas.rs:72:40
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn parent(&self) -> Option<Managed<Object>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 72 -     fn parent(&self) -> Option<Managed<Object>> {
[INFO] [stderr] 72 +     fn parent(&self) -> Option<Managed<dyn Object>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/components/transform.rs:59:40
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn object(&self) -> Option<Managed<Object>> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 59 -     fn object(&self) -> Option<Managed<Object>> {
[INFO] [stderr] 59 +     fn object(&self) -> Option<Managed<dyn Object>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object/component/components/transform.rs:63:43
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError> {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 63 -     fn set_object(&mut self, obj: Managed<Object>) -> Result<(), FoxError> {
[INFO] [stderr] 63 +     fn set_object(&mut self, obj: Managed<dyn Object>) -> Result<(), FoxError> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error/foxerror.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let cause_desc = self.description();
[INFO] [stderr]    |                                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error/foxerror.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |                         self.description(),
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error/foxerror.rs:51:67
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     write!(f, "Error {{ description: {} }}", self.description())?;
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error/foxerror.rs:55:63
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 write!(f, "Error {{ description: {} }}", self.description())?;
[INFO] [stderr]    |                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primitive_type`
[INFO] [stderr]   --> src/mesh/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     primitive_type: PrimitiveType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pictofox` (bin "pictofox" test) generated 26 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pictofox v0.1.0 (/opt/rustwide/workdir), rental v0.5.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pictofox-525f4d3d89727c29)
[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" "01db8b81b8d0ee43e4c36f2b704d1fc7c15954fe40bc120cf255cda7b82e735f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01db8b81b8d0ee43e4c36f2b704d1fc7c15954fe40bc120cf255cda7b82e735f", kill_on_drop: false }`
[INFO] [stdout] 01db8b81b8d0ee43e4c36f2b704d1fc7c15954fe40bc120cf255cda7b82e735f