[INFO] cloning repository https://github.com/bch29/traitcast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bch29/traitcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbch29%2Ftraitcast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbch29%2Ftraitcast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f8cb2293d1e7b5e5f2b87141a68c2d7a9a7ceeb
[INFO] testing bch29/traitcast 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%2Fbch29%2Ftraitcast" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bch29/traitcast 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/bch29/traitcast
[INFO] finished tweaking git repo https://github.com/bch29/traitcast
[INFO] tweaked toml for git repo https://github.com/bch29/traitcast written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3cca56bde97b5b9f4cf1fbe40455a320073551540aa43256b26fe666e628fcf
[INFO] running `Command { std: "docker" "start" "-a" "d3cca56bde97b5b9f4cf1fbe40455a320073551540aa43256b26fe666e628fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cca56bde97b5b9f4cf1fbe40455a320073551540aa43256b26fe666e628fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cca56bde97b5b9f4cf1fbe40455a320073551540aa43256b26fe666e628fcf", kill_on_drop: false }`
[INFO] [stdout] d3cca56bde97b5b9f4cf1fbe40455a320073551540aa43256b26fe666e628fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9eb6efe78fe940e6fe4bcfeec2682a700bc19861b90ccc0c4c0cd009139e54c
[INFO] running `Command { std: "docker" "start" "-a" "d9eb6efe78fe940e6fe4bcfeec2682a700bc19861b90ccc0c4c0cd009139e54c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling traitcast_core v0.2.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/inventory.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub insert: Box<Fn(&mut Registry)>,
[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] 20 -     pub insert: Box<Fn(&mut Registry)>,
[INFO] [stdout] 20 +     pub insert: Box<dyn Fn(&mut Registry)>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/lib.rs:140:61
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout] 140 +     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<dyn Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/lib.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout] 140 +     pub cast_box: fn(Box<dyn Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traitcast v0.5.0 (/opt/rustwide/workdir/traitcast)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "d9eb6efe78fe940e6fe4bcfeec2682a700bc19861b90ccc0c4c0cd009139e54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9eb6efe78fe940e6fe4bcfeec2682a700bc19861b90ccc0c4c0cd009139e54c", kill_on_drop: false }`
[INFO] [stdout] d9eb6efe78fe940e6fe4bcfeec2682a700bc19861b90ccc0c4c0cd009139e54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96436eb8a7264b5e036b7f0b573b593ed2e32d3109e1b5b85d795c702a9f13ad
[INFO] running `Command { std: "docker" "start" "-a" "96436eb8a7264b5e036b7f0b573b593ed2e32d3109e1b5b85d795c702a9f13ad", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/inventory.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub insert: Box<Fn(&mut Registry)>,
[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] 20 -     pub insert: Box<Fn(&mut Registry)>,
[INFO] [stdout] 20 +     pub insert: Box<dyn Fn(&mut Registry)>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/lib.rs:140:61
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout] 140 +     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<dyn Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traitcast_core v0.2.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/lib.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout] 140 +     pub cast_box: fn(Box<dyn Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traitcast v0.5.0 (/opt/rustwide/workdir/traitcast)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> core/src/inventory.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub insert: Box<Fn(&mut Registry)>,
[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] 20 -     pub insert: Box<Fn(&mut Registry)>,
[INFO] [stdout] 20 +     pub insert: Box<dyn Fn(&mut Registry)>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/lib.rs:140:61
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout] 140 +     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<dyn Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> core/src/lib.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout] 140 +     pub cast_box: fn(Box<dyn Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> traitcast/src/tests.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut x: Box<Any> = Box::new(A { x: 0 });
[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] 68 -     let mut x: Box<Any> = Box::new(A { x: 0 });
[INFO] [stdout] 68 +     let mut x: Box<dyn Any> = Box::new(A { x: 0 });
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> traitcast/src/tests.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut y: Box<Any> = Box::new(B { y: 1 });
[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] 69 -     let mut y: Box<Any> = Box::new(B { y: 1 });
[INFO] [stdout] 69 +     let mut y: Box<dyn Any> = Box::new(B { y: 1 });
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/traitcast-83e47a13b76513fd)
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/traitcast_core-4cc9e9549de0a2df)
[INFO] running `Command { std: "docker" "inspect" "96436eb8a7264b5e036b7f0b573b593ed2e32d3109e1b5b85d795c702a9f13ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96436eb8a7264b5e036b7f0b573b593ed2e32d3109e1b5b85d795c702a9f13ad", kill_on_drop: false }`
[INFO] [stdout] 96436eb8a7264b5e036b7f0b573b593ed2e32d3109e1b5b85d795c702a9f13ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ae102f9b31bd8d2ce408afb2192a3276f83039fda16f87412bff2ef646605ad
[INFO] running `Command { std: "docker" "start" "-a" "8ae102f9b31bd8d2ce408afb2192a3276f83039fda16f87412bff2ef646605ad", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> core/src/inventory.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub insert: Box<Fn(&mut Registry)>,
[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] 20 -     pub insert: Box<Fn(&mut Registry)>,
[INFO] [stderr] 20 +     pub insert: Box<dyn Fn(&mut Registry)>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/src/lib.rs:140:61
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stderr] 140 +     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<dyn Any>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> core/src/lib.rs:140:26
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[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] 140 -     pub cast_box: fn(Box<Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stderr] 140 +     pub cast_box: fn(Box<dyn Any>) -> Result<Box<DynTrait>, Box<Any>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `traitcast_core` (lib) generated 3 warnings
[INFO] [stderr] warning: `traitcast_core` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> traitcast/src/tests.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let mut x: Box<Any> = Box::new(A { x: 0 });
[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] 68 -     let mut x: Box<Any> = Box::new(A { x: 0 });
[INFO] [stderr] 68 +     let mut x: Box<dyn Any> = Box::new(A { x: 0 });
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> traitcast/src/tests.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut y: Box<Any> = Box::new(B { y: 1 });
[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] 69 -     let mut y: Box<Any> = Box::new(B { y: 1 });
[INFO] [stderr] 69 +     let mut y: Box<dyn Any> = Box::new(B { y: 1 });
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `traitcast` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/traitcast-83e47a13b76513fd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_traitcast ... 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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/traitcast_core-4cc9e9549de0a2df)
[INFO] [stderr]    Doc-tests traitcast
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 19) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests traitcast_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - impl_entry (line 218) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ae102f9b31bd8d2ce408afb2192a3276f83039fda16f87412bff2ef646605ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae102f9b31bd8d2ce408afb2192a3276f83039fda16f87412bff2ef646605ad", kill_on_drop: false }`
[INFO] [stdout] 8ae102f9b31bd8d2ce408afb2192a3276f83039fda16f87412bff2ef646605ad