[INFO] fetching crate topaz 0.4.0...
[INFO] testing topaz-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate topaz 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate topaz 0.4.0
[INFO] finished tweaking crates.io crate topaz 0.4.0
[INFO] tweaked toml for crates.io crate topaz 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate topaz 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding specs v0.10.0 (available: v0.20.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48e0591d505fdfb2013da86567e10c51507f1af38c810d96a9c435d277639c9e
[INFO] running `Command { std: "docker" "start" "-a" "48e0591d505fdfb2013da86567e10c51507f1af38c810d96a9c435d277639c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e0591d505fdfb2013da86567e10c51507f1af38c810d96a9c435d277639c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e0591d505fdfb2013da86567e10c51507f1af38c810d96a9c435d277639c9e", kill_on_drop: false }`
[INFO] [stdout] 48e0591d505fdfb2013da86567e10c51507f1af38c810d96a9c435d277639c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3fda8873396ace08644e384afcda40cc7a0ee42dc906e783023c20d282f40e
[INFO] running `Command { std: "docker" "start" "-a" "ca3fda8873396ace08644e384afcda40cc7a0ee42dc906e783023c20d282f40e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling hibitset v0.3.2
[INFO] [stderr]    Compiling shred v0.5.2
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling specs v0.10.0
[INFO] [stderr]    Compiling topaz v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Switch(Rc<RefCell<State>>),
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Switch(Rc<RefCell<dyn State>>),
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Push(Rc<RefCell<State>>),
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Push(Rc<RefCell<dyn State>>),
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     states: Vec<Rc<RefCell<State>>>,
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     states: Vec<Rc<RefCell<dyn State>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:52
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push_state(&mut self, state: Rc<RefCell<State>>) {
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push_state(&mut self, state: Rc<RefCell<dyn State>>) {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "ca3fda8873396ace08644e384afcda40cc7a0ee42dc906e783023c20d282f40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3fda8873396ace08644e384afcda40cc7a0ee42dc906e783023c20d282f40e", kill_on_drop: false }`
[INFO] [stdout] ca3fda8873396ace08644e384afcda40cc7a0ee42dc906e783023c20d282f40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1c678aec66ad768775aedd8278fcdd108c32db1ce208a854d4876618861b56
[INFO] running `Command { std: "docker" "start" "-a" "6c1c678aec66ad768775aedd8278fcdd108c32db1ce208a854d4876618861b56", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Switch(Rc<RefCell<State>>),
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Switch(Rc<RefCell<dyn State>>),
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Push(Rc<RefCell<State>>),
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Push(Rc<RefCell<dyn State>>),
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     states: Vec<Rc<RefCell<State>>>,
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     states: Vec<Rc<RefCell<dyn State>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:52
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push_state(&mut self, state: Rc<RefCell<State>>) {
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push_state(&mut self, state: Rc<RefCell<dyn State>>) {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling topaz v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Universe` in `topaz`
[INFO] [stdout]   --> examples/hello-world.rs:14:88
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut universe:topaz::Universe<topaz::NullEntity,(),topaz::SimpleEvent> = topaz::Universe::new(());
[INFO] [stdout]    |                                                                                        ^^^^^^^^ could not find `Universe` in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `System` in crate `topaz`
[INFO] [stdout]  --> examples/hello-world.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<T: topaz::HasComponents,S,E: topaz::Event> topaz::System<T,S,E> for HelloWorldSystem {
[INFO] [stdout]   |                                                        ^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `HasComponents` in crate `topaz`
[INFO] [stdout]  --> examples/hello-world.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<T: topaz::HasComponents,S,E: topaz::Event> topaz::System<T,S,E> for HelloWorldSystem {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Event` in crate `topaz`
[INFO] [stdout]  --> examples/hello-world.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl<T: topaz::HasComponents,S,E: topaz::Event> topaz::System<T,S,E> for HelloWorldSystem {
[INFO] [stdout]   |                                          ^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Universe` in crate `topaz`
[INFO] [stdout]  --> examples/hello-world.rs:7:45
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn operate(&self, universe: &mut topaz::Universe<T,S,E>, _: Rc<E>) {
[INFO] [stdout]   |                                             ^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `EVENT_QUIT` in crate `topaz`
[INFO] [stdout]  --> examples/hello-world.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 |         universe.do_event(E::with_id(topaz::EVENT_QUIT));
[INFO] [stdout]   |                                             ^^^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Universe` in crate `topaz`
[INFO] [stdout]   --> examples/hello-world.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut universe:topaz::Universe<topaz::NullEntity,(),topaz::SimpleEvent> = topaz::Universe::new(());
[INFO] [stdout]    |                             ^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NullEntity` in crate `topaz`
[INFO] [stdout]   --> examples/hello-world.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut universe:topaz::Universe<topaz::NullEntity,(),topaz::SimpleEvent> = topaz::Universe::new(());
[INFO] [stdout]    |                                             ^^^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SimpleEvent` in crate `topaz`
[INFO] [stdout]   --> examples/hello-world.rs:14:66
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut universe:topaz::Universe<topaz::NullEntity,(),topaz::SimpleEvent> = topaz::Universe::new(());
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `EVENT_INIT` in crate `topaz`
[INFO] [stdout]   --> examples/hello-world.rs:16:72
[INFO] [stdout]    |
[INFO] [stdout] 16 |     universe.add_and_subscribe(Rc::new(HelloWorldSystem{}),vec![topaz::EVENT_INIT]);
[INFO] [stdout]    |                                                                        ^^^^^^^^^^ not found in `topaz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `topaz` (example "hello-world") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Switch(Rc<RefCell<State>>),
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Switch(Rc<RefCell<dyn State>>),
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Push(Rc<RefCell<State>>),
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Push(Rc<RefCell<dyn State>>),
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     states: Vec<Rc<RefCell<State>>>,
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 40 |     states: Vec<Rc<RefCell<dyn State>>>,
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:52
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push_state(&mut self, state: Rc<RefCell<State>>) {
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn push_state(&mut self, state: Rc<RefCell<dyn State>>) {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c1c678aec66ad768775aedd8278fcdd108c32db1ce208a854d4876618861b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1c678aec66ad768775aedd8278fcdd108c32db1ce208a854d4876618861b56", kill_on_drop: false }`
[INFO] [stdout] 6c1c678aec66ad768775aedd8278fcdd108c32db1ce208a854d4876618861b56
