[INFO] fetching crate amethyst_engine 0.3.1...
[INFO] testing amethyst_engine-0.3.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate amethyst_engine 0.3.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate amethyst_engine 0.3.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_engine 0.3.1
[INFO] finished tweaking crates.io crate amethyst_engine 0.3.1
[INFO] tweaked toml for crates.io crate amethyst_engine 0.3.1 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86f8ba4dd3cb07a8fde9d0e68b822267fd918d6ab4f261f8896a831baa44870a
[INFO] running `Command { std: "docker" "start" "-a" "86f8ba4dd3cb07a8fde9d0e68b822267fd918d6ab4f261f8896a831baa44870a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f8ba4dd3cb07a8fde9d0e68b822267fd918d6ab4f261f8896a831baa44870a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f8ba4dd3cb07a8fde9d0e68b822267fd918d6ab4f261f8896a831baa44870a", kill_on_drop: false }`
[INFO] [stdout] 86f8ba4dd3cb07a8fde9d0e68b822267fd918d6ab4f261f8896a831baa44870a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39388df7e35d2a9f0848b5f4e03d49af4f519a5012dc702346106600f2d72ec
[INFO] running `Command { std: "docker" "start" "-a" "c39388df7e35d2a9f0848b5f4e03d49af4f519a5012dc702346106600f2d72ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling amethyst_engine v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Push(Box<State>),
[INFO] [stdout]    |              ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Switch(Box<State>),
[INFO] [stdout]    |                ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     state_stack: Vec<Box<State>>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn switch(&mut self, state: Box<State>) {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:135:35
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn push(&mut self, state: Box<State>) {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "c39388df7e35d2a9f0848b5f4e03d49af4f519a5012dc702346106600f2d72ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39388df7e35d2a9f0848b5f4e03d49af4f519a5012dc702346106600f2d72ec", kill_on_drop: false }`
[INFO] [stdout] c39388df7e35d2a9f0848b5f4e03d49af4f519a5012dc702346106600f2d72ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1fda50d1b3ef3f1d0ef1333f1a4a7f9a212755fe20726b8b4a73ecaf3df6395
[INFO] running `Command { std: "docker" "start" "-a" "c1fda50d1b3ef3f1d0ef1333f1a4a7f9a212755fe20726b8b4a73ecaf3df6395", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Push(Box<State>),
[INFO] [stdout]    |              ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Switch(Box<State>),
[INFO] [stdout]    |                ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     state_stack: Vec<Box<State>>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn switch(&mut self, state: Box<State>) {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:135:35
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn push(&mut self, state: Box<State>) {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling amethyst_engine v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Push(Box<State>),
[INFO] [stdout]    |              ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Switch(Box<State>),
[INFO] [stdout]    |                ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     state_stack: Vec<Box<State>>,
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn switch(&mut self, state: Box<State>) {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/state.rs:135:35
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn push(&mut self, state: Box<State>) {
[INFO] [stdout]     |                                   ^^^^^ help: use `dyn`: `dyn State`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "c1fda50d1b3ef3f1d0ef1333f1a4a7f9a212755fe20726b8b4a73ecaf3df6395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fda50d1b3ef3f1d0ef1333f1a4a7f9a212755fe20726b8b4a73ecaf3df6395", kill_on_drop: false }`
[INFO] [stdout] c1fda50d1b3ef3f1d0ef1333f1a4a7f9a212755fe20726b8b4a73ecaf3df6395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35283af0289033ab3fe1a6fd6e7523c6498ab2f9598798eb8fc8241b542409c2
[INFO] running `Command { std: "docker" "start" "-a" "35283af0289033ab3fe1a6fd6e7523c6498ab2f9598798eb8fc8241b542409c2", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Push(Box<State>),
[INFO] [stderr]    |              ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Switch(Box<State>),
[INFO] [stderr]    |                ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |     state_stack: Vec<Box<State>>,
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/state.rs:123:37
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn switch(&mut self, state: Box<State>) {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/state.rs:135:35
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn push(&mut self, state: Box<State>) {
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn State`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `amethyst_engine` (lib) generated 5 warnings
[INFO] [stderr] warning: `amethyst_engine` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/amethyst_engine-a27aa5d251abcda2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test state::tests::switch_pop ... ok
[INFO] [stdout] test timing::tests::elapsed ... ok
[INFO] [stdout] test timing::tests::reset ... ok
[INFO] [stderr]    Doc-tests amethyst_engine
[INFO] [stdout] test timing::tests::restart ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.01s
[INFO] [stdout] 
[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" "35283af0289033ab3fe1a6fd6e7523c6498ab2f9598798eb8fc8241b542409c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35283af0289033ab3fe1a6fd6e7523c6498ab2f9598798eb8fc8241b542409c2", kill_on_drop: false }`
[INFO] [stdout] 35283af0289033ab3fe1a6fd6e7523c6498ab2f9598798eb8fc8241b542409c2