[INFO] cloning repository https://github.com/craigjbass/real-time-strategy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/craigjbass/real-time-strategy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigjbass%2Freal-time-strategy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigjbass%2Freal-time-strategy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd16907bd8d168fd2e7ab2b4a590930d7100a3eb
[INFO] testing craigjbass/real-time-strategy against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigjbass%2Freal-time-strategy" "/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/craigjbass/real-time-strategy on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/craigjbass/real-time-strategy
[INFO] finished tweaking git repo https://github.com/craigjbass/real-time-strategy
[INFO] tweaked toml for git repo https://github.com/craigjbass/real-time-strategy written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/craigjbass/real-time-strategy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bece5aa46e799ac16b54f4293caef597e2b74f06cc7193598702ae58fb42f3f
[INFO] running `Command { std: "docker" "start" "-a" "0bece5aa46e799ac16b54f4293caef597e2b74f06cc7193598702ae58fb42f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bece5aa46e799ac16b54f4293caef597e2b74f06cc7193598702ae58fb42f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bece5aa46e799ac16b54f4293caef597e2b74f06cc7193598702ae58fb42f3f", kill_on_drop: false }`
[INFO] [stdout] 0bece5aa46e799ac16b54f4293caef597e2b74f06cc7193598702ae58fb42f3f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94748946dacafb5adc1f9e7d0d38c42fd673f10f309ba06eeb0950ee8ee7f2ec
[INFO] running `Command { std: "docker" "start" "-a" "94748946dacafb5adc1f9e7d0d38c42fd673f10f309ba06eeb0950ee8ee7f2ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling game_use_cases v0.1.0 (/opt/rustwide/workdir/game/use_cases)
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> game/use_cases/src/use_cases/view_units.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |     unit_gateway: Arc<Mutex<UnitGateway>>
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> game/use_cases/src/use_cases/view_units.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> game/use_cases/src/use_cases/view_units.rs:22:42
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute(self, presenter: &mut ViewUnitsPresenter) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ViewUnitsPresenter`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> game/use_cases/src/use_cases/spawn_unit.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stdout]   |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_gateway`
[INFO] [stdout]  --> game/use_cases/src/use_cases/spawn_unit.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stdout]   |                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_gateway`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling real_time_strategy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "94748946dacafb5adc1f9e7d0d38c42fd673f10f309ba06eeb0950ee8ee7f2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94748946dacafb5adc1f9e7d0d38c42fd673f10f309ba06eeb0950ee8ee7f2ec", kill_on_drop: false }`
[INFO] [stdout] 94748946dacafb5adc1f9e7d0d38c42fd673f10f309ba06eeb0950ee8ee7f2ec
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a11129b6359027128c24dce7af8f1b79f9e483a2d7856debc40f4d114ff7cdf5
[INFO] running `Command { std: "docker" "start" "-a" "a11129b6359027128c24dce7af8f1b79f9e483a2d7856debc40f4d114ff7cdf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling real_time_strategy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> game/use_cases/src/use_cases/view_units.rs:14:29
[INFO] [stdout]    |
[INFO] [stdout] 14 |     unit_gateway: Arc<Mutex<UnitGateway>>
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> game/use_cases/src/use_cases/view_units.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stdout]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> game/use_cases/src/use_cases/view_units.rs:22:42
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute(self, presenter: &mut ViewUnitsPresenter) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ViewUnitsPresenter`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> game/use_cases/src/use_cases/spawn_unit.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stdout]   |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit_gateway`
[INFO] [stdout]  --> game/use_cases/src/use_cases/spawn_unit.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stdout]   |                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_gateway`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/spawning_units.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let unit_gateway: Arc<Mutex<UnitGateway>> = Arc::new(Mutex::new(Placeholder {}));
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a11129b6359027128c24dce7af8f1b79f9e483a2d7856debc40f4d114ff7cdf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11129b6359027128c24dce7af8f1b79f9e483a2d7856debc40f4d114ff7cdf5", kill_on_drop: false }`
[INFO] [stdout] a11129b6359027128c24dce7af8f1b79f9e483a2d7856debc40f4d114ff7cdf5
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2218e82ae08577307445c2d5e903cc6068d64649d77d84ad36e4212ecf919e02
[INFO] running `Command { std: "docker" "start" "-a" "2218e82ae08577307445c2d5e903cc6068d64649d77d84ad36e4212ecf919e02", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> game/use_cases/src/use_cases/view_units.rs:14:29
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 14 |     unit_gateway: Arc<Mutex<UnitGateway>>
[INFO] [stdout] 
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> game/use_cases/src/use_cases/view_units.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stderr]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> game/use_cases/src/use_cases/view_units.rs:22:42
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn execute(self, presenter: &mut ViewUnitsPresenter) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ViewUnitsPresenter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> game/use_cases/src/use_cases/spawn_unit.rs:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stderr]   |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unit_gateway`
[INFO] [stderr]  --> game/use_cases/src/use_cases/spawn_unit.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(unit_gateway: Arc<Mutex<UnitGateway>>) -> Self {
[INFO] [stderr]   |                ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unit_gateway`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `game_use_cases` (lib) generated 5 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/spawning_units.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let unit_gateway: Arc<Mutex<UnitGateway>> = Arc::new(Mutex::new(Placeholder {}));
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: use `dyn`: `dyn UnitGateway`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `real_time_strategy` (test "spawning_units") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/real_time_strategy-2be06a6d9c6bb243)
[INFO] [stderr]      Running tests/spawning_units.rs (/opt/rustwide/target/debug/deps/spawning_units-8f402282e3d24a84)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test spawning_units ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2218e82ae08577307445c2d5e903cc6068d64649d77d84ad36e4212ecf919e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2218e82ae08577307445c2d5e903cc6068d64649d77d84ad36e4212ecf919e02", kill_on_drop: false }`
[INFO] [stdout] 2218e82ae08577307445c2d5e903cc6068d64649d77d84ad36e4212ecf919e02