[INFO] cloning repository https://github.com/bobvandenberge/dammen-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bobvandenberge/dammen-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobvandenberge%2Fdammen-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobvandenberge%2Fdammen-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9f99688a5cef38ff10e1ba94a0a6181bbec82324 [INFO] checking bobvandenberge/dammen-in-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbobvandenberge%2Fdammen-in-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bobvandenberge/dammen-in-rust 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 git repo https://github.com/bobvandenberge/dammen-in-rust [INFO] finished tweaking git repo https://github.com/bobvandenberge/dammen-in-rust [INFO] tweaked toml for git repo https://github.com/bobvandenberge/dammen-in-rust written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/bobvandenberge/dammen-in-rust 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 libc v0.2.41 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3d0aa415d870a8dc4990de1b7ca19aac7b0dcbb09016def3d7e6d7d8537ab081 [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" "3d0aa415d870a8dc4990de1b7ca19aac7b0dcbb09016def3d7e6d7d8537ab081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d0aa415d870a8dc4990de1b7ca19aac7b0dcbb09016def3d7e6d7d8537ab081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0aa415d870a8dc4990de1b7ca19aac7b0dcbb09016def3d7e6d7d8537ab081", kill_on_drop: false }` [INFO] [stdout] 3d0aa415d870a8dc4990de1b7ca19aac7b0dcbb09016def3d7e6d7d8537ab081 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9fe16bca1dc28f47f1d83a16a2d9c212ddad888b281f0ea68c85a5e5a7cd1c9a [INFO] running `Command { std: "docker" "start" "-a" "9fe16bca1dc28f47f1d83a16a2d9c212ddad888b281f0ea68c85a5e5a7cd1c9a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking dammen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/spel.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | engine: Box, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/spel.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(engine: Box) -> Spel { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/regels.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | pub type VoorVerplaatsenRegel = Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> VoorVerplaatsenRegelUitkomst; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> VoorVerplaatsenRegelUitkomst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/regels.rs:12:31 [INFO] [stdout] | [INFO] [stdout] 12 | pub type NaVerplaatsenRegel = Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> NaVerplaatsenRegelUitkomst; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> NaVerplaatsenRegelUitkomst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:81:25 [INFO] [stdout] | [INFO] [stdout] 81 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:126:25 [INFO] [stdout] | [INFO] [stdout] 126 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:141:25 [INFO] [stdout] | [INFO] [stdout] 141 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:156:25 [INFO] [stdout] | [INFO] [stdout] 156 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:171:25 [INFO] [stdout] | [INFO] [stdout] 171 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:199:25 [INFO] [stdout] | [INFO] [stdout] 199 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/mod.rs:227:25 [INFO] [stdout] | [INFO] [stdout] 227 | let engine: Box = Box::new(StandaardRegels::new()); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/spel.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | engine: Box, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/spel.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(engine: Box) -> Spel { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Engine` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/regels.rs:9:33 [INFO] [stdout] | [INFO] [stdout] 9 | pub type VoorVerplaatsenRegel = Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> VoorVerplaatsenRegelUitkomst; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> VoorVerplaatsenRegelUitkomst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core/engine/regels.rs:12:31 [INFO] [stdout] | [INFO] [stdout] 12 | pub type NaVerplaatsenRegel = Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> NaVerplaatsenRegelUitkomst; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&SchijfKleur, &mut Bord, (usize, usize)) -> NaVerplaatsenRegelUitkomst` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:28:25 [INFO] [stdout] | [INFO] [stdout] 28 | let mut veld = &mut bord.velden[index]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:33:25 [INFO] [stdout] | [INFO] [stdout] 33 | let mut veld = &mut bord.velden[index + 60]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let mut veld = &mut self.velden[bron]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let mut veld = &mut self.velden[index]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dam` [INFO] [stdout] --> src/core/schijf.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Dam(SchijfKleur), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/core/engine/regels.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn new(geslagen_schijf_positie: u32, eind_positie: u32) -> SlagOptie { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `BeurtBlijftGelijk` [INFO] [stdout] --> src/core/engine/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | BeurtBlijftGelijk, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/core/bord.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | if index >= 100 || index < 0 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:28:25 [INFO] [stdout] | [INFO] [stdout] 28 | let mut veld = &mut bord.velden[index]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:33:25 [INFO] [stdout] | [INFO] [stdout] 33 | let mut veld = &mut bord.velden[index + 60]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | let mut veld = &mut self.velden[bron]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/core/bord.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let mut veld = &mut self.velden[index]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dam` [INFO] [stdout] --> src/core/schijf.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Dam(SchijfKleur), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `BeurtBlijftGelijk` [INFO] [stdout] --> src/core/engine/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | BeurtBlijftGelijk, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/core/bord.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | if index >= 100 || index < 0 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core/engine/mod.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core/engine/mod.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core/engine/mod.rs:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core/engine/mod.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core/engine/mod.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | (*engine).voer_zet_uit(&SchijfKleur::Wit, &mut bord, &zet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core/engine/mod.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | (*engine).voer_zet_uit(&SchijfKleur::Zwart, &mut bord, &zet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 26 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.72s [INFO] running `Command { std: "docker" "inspect" "9fe16bca1dc28f47f1d83a16a2d9c212ddad888b281f0ea68c85a5e5a7cd1c9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fe16bca1dc28f47f1d83a16a2d9c212ddad888b281f0ea68c85a5e5a7cd1c9a", kill_on_drop: false }` [INFO] [stdout] 9fe16bca1dc28f47f1d83a16a2d9c212ddad888b281f0ea68c85a5e5a7cd1c9a