[INFO] fetching crate bevy_rng 0.3.0... [INFO] checking bevy_rng-0.3.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate bevy_rng 0.3.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate bevy_rng 0.3.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bevy_rng 0.3.0 [INFO] finished tweaking crates.io crate bevy_rng 0.3.0 [INFO] tweaked toml for crates.io crate bevy_rng 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate bevy_rng 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_seeder v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a076426149268252bbf6a9eff378d3e4358bc1441c308ff42299ea1d10776f31 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a076426149268252bbf6a9eff378d3e4358bc1441c308ff42299ea1d10776f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a076426149268252bbf6a9eff378d3e4358bc1441c308ff42299ea1d10776f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a076426149268252bbf6a9eff378d3e4358bc1441c308ff42299ea1d10776f31", kill_on_drop: false }` [INFO] [stdout] a076426149268252bbf6a9eff378d3e4358bc1441c308ff42299ea1d10776f31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac90ffeda1d4f1ec92b86342ee52d1e90b4895b1005237fa193adb26bb01f069 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ac90ffeda1d4f1ec92b86342ee52d1e90b4895b1005237fa193adb26bb01f069", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking ahash v0.6.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking inotify v0.9.2 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand_seeder v0.2.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking bevy_tasks v0.4.0 [INFO] [stderr] Checking notify v5.0.0-pre.5 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling tracing-attributes v0.1.12 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking tracing v0.1.23 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking erased-serde v0.3.13 [INFO] [stderr] Checking glam v0.11.3 [INFO] [stderr] Checking ron v0.6.4 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking bevy_utils v0.4.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking tracing-subscriber v0.2.15 [INFO] [stderr] Compiling find-crate v0.6.3 [INFO] [stderr] Compiling bevy_ecs_macros v0.4.0 [INFO] [stderr] Compiling bevy_derive v0.4.0 [INFO] [stderr] Compiling bevy_reflect_derive v0.4.0 [INFO] [stderr] Checking bevy_ecs v0.4.0 [INFO] [stderr] Checking bevy_app v0.4.0 [INFO] [stderr] Checking bevy_reflect v0.4.0 [INFO] [stderr] Checking bevy_log v0.4.0 [INFO] [stderr] Checking bevy_math v0.4.0 [INFO] [stderr] Checking bevy_asset v0.4.0 [INFO] [stderr] Checking bevy_core v0.4.0 [INFO] [stderr] Checking bevy_transform v0.4.0 [INFO] [stderr] Checking bevy_input v0.4.0 [INFO] [stderr] Checking bevy_window v0.4.0 [INFO] [stderr] Checking bevy_diagnostic v0.4.0 [INFO] [stderr] Checking bevy_scene v0.4.0 [INFO] [stderr] Checking bevy_internal v0.4.0 [INFO] [stderr] Checking bevy v0.4.0 [INFO] [stderr] Checking bevy_rng v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `bevy` [INFO] [stdout] --> examples/rng.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bevy::prelude::*; [INFO] [stdout] | ^^^^ use of undeclared crate or module `bevy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `bevy` [INFO] [stdout] --> examples/rng.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bevy::app::ScheduleRunnerSettings; [INFO] [stdout] | ^^^^ use of undeclared crate or module `bevy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `bevy::app::ScheduleRunnerSettings` [INFO] [stdout] --> examples/rng.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bevy::app::ScheduleRunnerSettings; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `App` [INFO] [stdout] --> examples/rng.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | App::build() [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::App; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ScheduleRunnerSettings` [INFO] [stdout] --> examples/rng.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | .add_resource(ScheduleRunnerSettings::run_once()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::ScheduleRunnerSettings; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `MinimalPlugins` in this scope [INFO] [stdout] --> examples/rng.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | .add_plugins(MinimalPlugins) [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this unit struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::MinimalPlugins; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `App` [INFO] [stdout] --> examples/rng.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | App::build() [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::App; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ScheduleRunnerSettings` [INFO] [stdout] --> examples/rng.rs:17:23 [INFO] [stdout] | [INFO] [stdout] 17 | .add_resource(ScheduleRunnerSettings::run_once()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::ScheduleRunnerSettings; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `MinimalPlugins` in this scope [INFO] [stdout] --> examples/rng.rs:18:22 [INFO] [stdout] | [INFO] [stdout] 18 | .add_plugins(MinimalPlugins) [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this unit struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::MinimalPlugins; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `App` [INFO] [stdout] --> examples/rng.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | App::build() [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::App; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ScheduleRunnerSettings` [INFO] [stdout] --> examples/rng.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | .add_resource(ScheduleRunnerSettings::run_once()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::ScheduleRunnerSettings; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `MinimalPlugins` in this scope [INFO] [stdout] --> examples/rng.rs:27:22 [INFO] [stdout] | [INFO] [stdout] 27 | .add_plugins(MinimalPlugins) [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this unit struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::MinimalPlugins; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `App` [INFO] [stdout] --> examples/rng.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | App::build() [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::App; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ScheduleRunnerSettings` [INFO] [stdout] --> examples/rng.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | .add_resource(ScheduleRunnerSettings::run_loop(Duration::from_millis(100))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::app::ScheduleRunnerSettings; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `MinimalPlugins` in this scope [INFO] [stdout] --> examples/rng.rs:36:22 [INFO] [stdout] | [INFO] [stdout] 36 | .add_plugins(MinimalPlugins) [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this unit struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::MinimalPlugins; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Local` in this scope [INFO] [stdout] --> examples/rng.rs:43:29 [INFO] [stdout] | [INFO] [stdout] 43 | fn random_number_1(mut rng: Local) { [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::ecs::Local; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Local` in this scope [INFO] [stdout] --> examples/rng.rs:47:29 [INFO] [stdout] | [INFO] [stdout] 47 | fn random_number_2(mut rng: Local) { [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_stable::ecs::Local; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_1}` in the current scope [INFO] [stdout] --> examples/rng.rs:11:37 [INFO] [stdout] | [INFO] [stdout] 11 | .add_system(random_number_1.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_1}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_1` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_2}` in the current scope [INFO] [stdout] --> examples/rng.rs:12:37 [INFO] [stdout] | [INFO] [stdout] 12 | .add_system(random_number_2.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_2}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_2` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_1}` in the current scope [INFO] [stdout] --> examples/rng.rs:20:37 [INFO] [stdout] | [INFO] [stdout] 20 | .add_system(random_number_1.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_1}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_1` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_2}` in the current scope [INFO] [stdout] --> examples/rng.rs:21:37 [INFO] [stdout] | [INFO] [stdout] 21 | .add_system(random_number_2.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_2}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_2` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_1}` in the current scope [INFO] [stdout] --> examples/rng.rs:29:37 [INFO] [stdout] | [INFO] [stdout] 29 | .add_system(random_number_1.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_1}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_1` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_2}` in the current scope [INFO] [stdout] --> examples/rng.rs:30:37 [INFO] [stdout] | [INFO] [stdout] 30 | .add_system(random_number_2.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_2}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_2` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_1}` in the current scope [INFO] [stdout] --> examples/rng.rs:38:37 [INFO] [stdout] | [INFO] [stdout] 38 | .add_system(random_number_1.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_1}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_1` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `system` found for fn item `fn([type error]) {random_number_2}` in the current scope [INFO] [stdout] --> examples/rng.rs:39:37 [INFO] [stdout] | [INFO] [stdout] 39 | .add_system(random_number_2.system()) [INFO] [stdout] | ^^^^^^ method not found in `fn([type error]) {random_number_2}` [INFO] [stdout] | [INFO] [stdout] = note: `random_number_2` is a function, perhaps you wish to call it [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 1 | use bevy_ecs::system::into_system::IntoSystem; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 25 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bevy_rng` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "ac90ffeda1d4f1ec92b86342ee52d1e90b4895b1005237fa193adb26bb01f069", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac90ffeda1d4f1ec92b86342ee52d1e90b4895b1005237fa193adb26bb01f069", kill_on_drop: false }` [INFO] [stdout] ac90ffeda1d4f1ec92b86342ee52d1e90b4895b1005237fa193adb26bb01f069