[INFO] cloning repository https://github.com/MuhammadGalimov/football_manager [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MuhammadGalimov/football_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb8a09a803964c8f320a0817f6c0ef1fc8cff0fa [INFO] checking MuhammadGalimov/football_manager against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MuhammadGalimov/football_manager on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MuhammadGalimov/football_manager [INFO] finished tweaking git repo https://github.com/MuhammadGalimov/football_manager [INFO] tweaked toml for git repo https://github.com/MuhammadGalimov/football_manager written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MuhammadGalimov/football_manager already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1715220fc2be7e1b7367da2cc1929c55efd542ad1f4f2137088da02228c0aa8 [INFO] running `Command { std: "docker" "start" "-a" "f1715220fc2be7e1b7367da2cc1929c55efd542ad1f4f2137088da02228c0aa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1715220fc2be7e1b7367da2cc1929c55efd542ad1f4f2137088da02228c0aa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1715220fc2be7e1b7367da2cc1929c55efd542ad1f4f2137088da02228c0aa8", kill_on_drop: false }` [INFO] [stdout] f1715220fc2be7e1b7367da2cc1929c55efd542ad1f4f2137088da02228c0aa8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 231645720d58faf49479cbae612cbf8367dca216167e9fea25ad63e82377218a [INFO] running `Command { std: "docker" "start" "-a" "231645720d58faf49479cbae612cbf8367dca216167e9fea25ad63e82377218a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking fm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `EnterAlternateScreen` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | EnterAlternateScreen [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EnterAlternateScreen` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | EnterAlternateScreen [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tag` is never used [INFO] [stdout] --> src/engine.rs:259:12 [INFO] [stdout] | [INFO] [stdout] 244 | impl ButtonBuilder { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 259 | pub fn tag(mut self, tag: (&str, &str)) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_button` is never used [INFO] [stdout] --> src/engine.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 279 | pub trait ToButton { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 280 | fn to_button(&self, jump: fn(&mut Env) -> Option) -> Button; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_str`, and `to_str` are never used [INFO] [stdout] --> src/player.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Player { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 25 | fn new(name: String, position: Position, hand: Hand, cost: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn from_str(str: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn to_str(&self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameEnv` is never constructed [INFO] [stdout] --> src/env.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct GameEnv { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tag` is never used [INFO] [stdout] --> src/engine.rs:259:12 [INFO] [stdout] | [INFO] [stdout] 244 | impl ButtonBuilder { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 259 | pub fn tag(mut self, tag: (&str, &str)) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_button` is never used [INFO] [stdout] --> src/engine.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 279 | pub trait ToButton { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 280 | fn to_button(&self, jump: fn(&mut Env) -> Option) -> Button; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_str`, and `to_str` are never used [INFO] [stdout] --> src/player.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Player { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 25 | fn new(name: String, position: Position, hand: Hand, cost: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn from_str(str: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn to_str(&self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameEnv` is never constructed [INFO] [stdout] --> src/env.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct GameEnv { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/engine.rs:300:23 [INFO] [stdout] | [INFO] [stdout] 300 | for (k, v) in h.iter().find(|item| item.0 == 5) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 300 | while let Some((k, v)) = h.iter().find(|item| item.0 == 5) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 300 | if let Some((k, v)) = h.iter().find(|item| item.0 == 5) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s [INFO] running `Command { std: "docker" "inspect" "231645720d58faf49479cbae612cbf8367dca216167e9fea25ad63e82377218a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "231645720d58faf49479cbae612cbf8367dca216167e9fea25ad63e82377218a", kill_on_drop: false }` [INFO] [stdout] 231645720d58faf49479cbae612cbf8367dca216167e9fea25ad63e82377218a [INFO] checking MuhammadGalimov/football_manager against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MuhammadGalimov/football_manager on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MuhammadGalimov/football_manager [INFO] finished tweaking git repo https://github.com/MuhammadGalimov/football_manager [INFO] tweaked toml for git repo https://github.com/MuhammadGalimov/football_manager written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MuhammadGalimov/football_manager already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5255802d95d609636660b968acc410a4aff4bbc1390a5e2b930b57efed1a0abe [INFO] running `Command { std: "docker" "start" "-a" "5255802d95d609636660b968acc410a4aff4bbc1390a5e2b930b57efed1a0abe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5255802d95d609636660b968acc410a4aff4bbc1390a5e2b930b57efed1a0abe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5255802d95d609636660b968acc410a4aff4bbc1390a5e2b930b57efed1a0abe", kill_on_drop: false }` [INFO] [stdout] 5255802d95d609636660b968acc410a4aff4bbc1390a5e2b930b57efed1a0abe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec69ab5c8b31fc3fb752819fc8967289e9fed92f29d322a2dc2c05ac54dd7db4 [INFO] running `Command { std: "docker" "start" "-a" "ec69ab5c8b31fc3fb752819fc8967289e9fed92f29d322a2dc2c05ac54dd7db4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.22.1 [INFO] [stderr] Checking fm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `EnterAlternateScreen` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | EnterAlternateScreen [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EnterAlternateScreen` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | EnterAlternateScreen [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tag` is never used [INFO] [stdout] --> src/engine.rs:259:12 [INFO] [stdout] | [INFO] [stdout] 244 | impl ButtonBuilder { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 259 | pub fn tag(mut self, tag: (&str, &str)) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tag` is never used [INFO] [stdout] --> src/engine.rs:259:12 [INFO] [stdout] | [INFO] [stdout] 244 | impl ButtonBuilder { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 259 | pub fn tag(mut self, tag: (&str, &str)) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_button` is never used [INFO] [stdout] --> src/engine.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 279 | pub trait ToButton { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 280 | fn to_button(&self, jump: fn(&mut Env) -> Option) -> Button; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_button` is never used [INFO] [stdout] --> src/engine.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 279 | pub trait ToButton { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 280 | fn to_button(&self, jump: fn(&mut Env) -> Option) -> Button; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_str`, and `to_str` are never used [INFO] [stdout] --> src/player.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Player { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 25 | fn new(name: String, position: Position, hand: Hand, cost: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn from_str(str: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn to_str(&self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameEnv` is never constructed [INFO] [stdout] --> src/env.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct GameEnv { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_str`, and `to_str` are never used [INFO] [stdout] --> src/player.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Player { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 25 | fn new(name: String, position: Position, hand: Hand, cost: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn from_str(str: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn to_str(&self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GameEnv` is never constructed [INFO] [stdout] --> src/env.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct GameEnv { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/engine.rs:300:23 [INFO] [stdout] | [INFO] [stdout] 300 | for (k, v) in h.iter().find(|item| item.0 == 5) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 300 | while let Some((k, v)) = h.iter().find(|item| item.0 == 5) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 300 | if let Some((k, v)) = h.iter().find(|item| item.0 == 5) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s [INFO] running `Command { std: "docker" "inspect" "ec69ab5c8b31fc3fb752819fc8967289e9fed92f29d322a2dc2c05ac54dd7db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec69ab5c8b31fc3fb752819fc8967289e9fed92f29d322a2dc2c05ac54dd7db4", kill_on_drop: false }` [INFO] [stdout] ec69ab5c8b31fc3fb752819fc8967289e9fed92f29d322a2dc2c05ac54dd7db4