[INFO] fetching crate entity-gym-rs 0.8.0...
[INFO] testing entity-gym-rs-0.8.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate entity-gym-rs 0.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate entity-gym-rs 0.8.0
[INFO] finished tweaking crates.io crate entity-gym-rs 0.8.0
[INFO] tweaked toml for crates.io crate entity-gym-rs 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate entity-gym-rs 0.8.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2
[INFO] running `Command { std: "docker" "start" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling entity-gym-rs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/agent/mod.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[must_use]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/agent/mod.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |     #[must_use]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/agent/action.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |     enum Direction {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Thrust` is never used
[INFO] [stdout]   --> src/agent/action.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     enum Thrust {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/agent/action.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct Move {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiSnake` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MultiSnake {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Food` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Food {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snake` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Snake {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `observe` and `random_empty_tile` are never used
[INFO] [stdout]    --> src/examples/multisnake.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  41 | impl MultiSnake {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn observe(&self) -> Box<Observation> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn random_empty_tile(&mut self) -> (i32, i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/agent/mod.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[must_use]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/agent/mod.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |     #[must_use]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/agent/action.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |     enum Direction {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Thrust` is never used
[INFO] [stdout]   --> src/agent/action.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     enum Thrust {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/agent/action.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct Move {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiSnake` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MultiSnake {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Food` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Food {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snake` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Snake {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `observe` and `random_empty_tile` are never used
[INFO] [stdout]    --> src/examples/multisnake.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  41 | impl MultiSnake {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn observe(&self) -> Box<Observation> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn random_empty_tile(&mut self) -> (i32, i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling entity-gym-rs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/agent/mod.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[must_use]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/agent/mod.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 |     #[must_use]
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/agent/action.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |     enum Direction {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Thrust` is never used
[INFO] [stdout]   --> src/agent/action.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |     enum Thrust {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/agent/action.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     struct Move {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiSnake` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MultiSnake {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Food` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Food {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snake` is never constructed
[INFO] [stdout]   --> src/examples/multisnake.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Snake {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `observe` and `random_empty_tile` are never used
[INFO] [stdout]    --> src/examples/multisnake.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  41 | impl MultiSnake {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  66 |     fn observe(&self) -> Box<Observation> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn random_empty_tile(&mut self) -> (i32, i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/agent/mod.rs:65:7
[INFO] [stderr]    |
[INFO] [stderr] 65 |     #[must_use]
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `must_use` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/agent/mod.rs:78:7
[INFO] [stderr]    |
[INFO] [stderr] 78 |     #[must_use]
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the `must_use` attribute can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[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] 
[INFO] [stderr] warning: enum `Direction` is never used
[INFO] [stderr]   --> src/agent/action.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 |     enum Direction {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Thrust` is never used
[INFO] [stderr]   --> src/agent/action.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     enum Thrust {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Move` is never constructed
[INFO] [stderr]   --> src/agent/action.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     struct Move {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MultiSnake` is never constructed
[INFO] [stderr]   --> src/examples/multisnake.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct MultiSnake {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Food` is never constructed
[INFO] [stderr]   --> src/examples/multisnake.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Food {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Snake` is never constructed
[INFO] [stderr]   --> src/examples/multisnake.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct Snake {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `observe` and `random_empty_tile` are never used
[INFO] [stderr]    --> src/examples/multisnake.rs:66:8
[INFO] [stderr]     |
[INFO] [stderr]  41 | impl MultiSnake {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  66 |     fn observe(&self) -> Box<Observation> {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 115 |     fn random_empty_tile(&mut self) -> (i32, i32) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `entity-gym-rs` (lib) generated 9 warnings (run `cargo fix --lib -p entity-gym-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `entity-gym-rs` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.27.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/entity_gym_rs-af4e61d821e5ab4a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test agent::action::test::test_action_from_u64 ... ok
[INFO] [stdout] test agent::action::test::test_action_to_u64 ... ok
[INFO] [stdout] test agent::action::test::test_round_trip ... ok
[INFO] [stdout] test agent::featurizable::test::test_feature_names ... ok
[INFO] [stdout] test agent::featurizable::test::test_name ... ok
[INFO] [stdout] test agent::featurizable::test::test_num_feats ... ok
[INFO] [stdout] test agent::action::test::test_action_num_actions ... ok
[INFO] [stdout] test agent::action::test::test_action_labels ... ok
[INFO] [stderr]    Doc-tests entity_gym_rs
[INFO] [stdout] test agent::featurizable::test::test_featurize ... ok
[INFO] [stdout] test agent::action::test::test_action_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/agent/obs.rs - agent::obs::Obs (line 12) ... ok
[INFO] [stdout] test src/agent/action.rs - agent::action::Action (line 4) ... ok
[INFO] [stdout] test src/agent/obs.rs - agent::obs::Obs::metric (line 109) ... ok
[INFO] [stdout] test src/agent/featurizable.rs - agent::featurizable::Featurizable (line 6) ... ok
[INFO] [stdout] test src/agent/obs.rs - agent::obs::Obs (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2", kill_on_drop: false }`
[INFO] [stdout] 52f152e840c745fe04c8b845cc3a9f7e45aafa09fc57e48e80629f1dd7334fc2
