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[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/ic_quickstart_actor_model/src/lib.rs:475:1
[INFO] [stdout]     |
[INFO] [stdout] 475 | / async fn call_canister_install(
[INFO] [stdout] 476 | |     canister_id: &Principal,
[INFO] [stdout] 477 | |     canister_install_args: Vec<u8>,
[INFO] [stdout] 478 | |     canister_wasm: Vec<u8>,
[INFO] [stdout] 479 | | ) -> bool {
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `for<'a> !: ArgumentDecoder<'a>` will fail
[INFO] [stdout]    --> src/ic_quickstart_actor_model/src/lib.rs:507:11
[INFO] [stdout]     |
[INFO] [stdout] 507 |       match ic_cdk::api::call::call(
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 508 | |         Principal::management_canister(),
[INFO] [stdout] 509 | |         "install_code",
[INFO] [stdout] 510 | |         (install_config,),
[INFO] [stdout] 511 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 507 |     match ic_cdk::api::call::call::<_, ()>(
[INFO] [stdout]     |                                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/ic_quickstart_actor_model/src/lib.rs:475:1
[INFO] [stdout]     |
[INFO] [stdout] 475 | / async fn call_canister_install(
[INFO] [stdout] 476 | |     canister_id: &Principal,
[INFO] [stdout] 477 | |     canister_install_args: Vec<u8>,
[INFO] [stdout] 478 | |     canister_wasm: Vec<u8>,
[INFO] [stdout] 479 | | ) -> bool {
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `for<'a> !: ArgumentDecoder<'a>` will fail
[INFO] [stdout]    --> src/ic_quickstart_actor_model/src/lib.rs:507:11
[INFO] [stdout]     |
[INFO] [stdout] 507 |       match ic_cdk::api::call::call(
[INFO] [stdout]     |  ___________^
[INFO] [stdout] 508 | |         Principal::management_canister(),
[INFO] [stdout] 509 | |         "install_code",
[INFO] [stdout] 510 | |         (install_config,),
[INFO] [stdout] 511 | |     )
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]     |
[INFO] [stdout] 507 |     match ic_cdk::api::call::call::<_, ()>(
[INFO] [stdout]     |                                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ic_quickstart_actor_model/src/business_logic.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let mut p = self
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ic_quickstart_actor_model/src/business_logic.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let mut p = self
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Cycles` is never used
[INFO] [stdout]  --> src/ic_quickstart_actor_model/src/env.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Cycles = u128;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `random_u32`, `cycles_balance`, and `memory_used` are never used
[INFO] [stdout]   --> src/ic_quickstart_actor_model/src/env.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Environment {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn random_u32(&mut self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 14 |     fn cycles_balance(&self) -> Cycles;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     fn memory_used(&self) -> u64;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/ic_quickstart_actor_model/src/env.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CanisterEnv {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 19 |     rng: StdRng,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestEnv` is never constructed
[INFO] [stdout]   --> src/ic_quickstart_actor_model/src/env.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct TestEnv {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Cycles` is never used
[INFO] [stdout]  --> src/ic_quickstart_actor_model/src/env.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Cycles = u128;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `random_u32`, `cycles_balance`, and `memory_used` are never used
[INFO] [stdout]   --> src/ic_quickstart_actor_model/src/env.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Environment {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn random_u32(&mut self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 14 |     fn cycles_balance(&self) -> Cycles;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     fn memory_used(&self) -> u64;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/ic_quickstart_actor_model/src/env.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CanisterEnv {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 19 |     rng: StdRng,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestEnv` is never constructed
[INFO] [stdout]   --> src/ic_quickstart_actor_model/src/env.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct TestEnv {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: ic_quickstart_actor_model v0.1.0 (/opt/rustwide/workdir/src/ic_quickstart_actor_model), lalrpop v0.19.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5b9c1d40828f6cb6c7d22b3bccc5fbb05a299e0484a9c995c0b6c35b82a60571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9c1d40828f6cb6c7d22b3bccc5fbb05a299e0484a9c995c0b6c35b82a60571", kill_on_drop: false }`
[INFO] [stdout] 5b9c1d40828f6cb6c7d22b3bccc5fbb05a299e0484a9c995c0b6c35b82a60571
