[INFO] fetching crate exact-covers 0.2.1... [INFO] checking exact-covers-0.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate exact-covers 0.2.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate exact-covers 0.2.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate exact-covers 0.2.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate exact-covers 0.2.1 [INFO] tweaked toml for crates.io crate exact-covers 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate exact-covers 0.2.1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v2.0.0-alpha.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b7af984c4625d34eec5b455695dc85f569c8aadde422bef9af1d1a01037d159 [INFO] running `Command { std: "docker" "start" "-a" "8b7af984c4625d34eec5b455695dc85f569c8aadde422bef9af1d1a01037d159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b7af984c4625d34eec5b455695dc85f569c8aadde422bef9af1d1a01037d159", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7af984c4625d34eec5b455695dc85f569c8aadde422bef9af1d1a01037d159", kill_on_drop: false }` [INFO] [stdout] 8b7af984c4625d34eec5b455695dc85f569c8aadde422bef9af1d1a01037d159 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86468fef72901a1629180618df997de1d4d4473f21221d918696ef670a5ab31f [INFO] running `Command { std: "docker" "start" "-a" "86468fef72901a1629180618df997de1d4d4473f21221d918696ef670a5ab31f", kill_on_drop: false }` [INFO] [stderr] Checking smallvec v2.0.0-alpha.6 [INFO] [stderr] Checking exact-covers v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "86468fef72901a1629180618df997de1d4d4473f21221d918696ef670a5ab31f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86468fef72901a1629180618df997de1d4d4473f21221d918696ef670a5ab31f", kill_on_drop: false }` [INFO] [stdout] 86468fef72901a1629180618df997de1d4d4473f21221d918696ef670a5ab31f [INFO] checking exact-covers-0.2.1 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate exact-covers 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate exact-covers 0.2.1 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate exact-covers 0.2.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate exact-covers 0.2.1 [INFO] tweaked toml for crates.io crate exact-covers 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate exact-covers 0.2.1 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f081be4a250fed217ebbfd0c85a65ef5ac7db3107b77d7c1de954eb55cd55c78 [INFO] running `Command { std: "docker" "start" "-a" "f081be4a250fed217ebbfd0c85a65ef5ac7db3107b77d7c1de954eb55cd55c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f081be4a250fed217ebbfd0c85a65ef5ac7db3107b77d7c1de954eb55cd55c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f081be4a250fed217ebbfd0c85a65ef5ac7db3107b77d7c1de954eb55cd55c78", kill_on_drop: false }` [INFO] [stdout] f081be4a250fed217ebbfd0c85a65ef5ac7db3107b77d7c1de954eb55cd55c78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 730a06cb765e8fe59a13eaeeef37f90d2b4b0798b3b13e2c6621cff035769773 [INFO] running `Command { std: "docker" "start" "-a" "730a06cb765e8fe59a13eaeeef37f90d2b4b0798b3b13e2c6621cff035769773", kill_on_drop: false }` [INFO] [stderr] Checking smallvec v2.0.0-alpha.6 [INFO] [stderr] Checking exact-covers v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/polycube_packing.rs:50:14 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn transform(&self, f: impl FnMut(Position) -> Position) -> Self { [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | Self(self.0.iter().copied().map(f).collect()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exact-covers` (example "polycube_packing") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:14:30 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(primary: &'i [I], secondary: &'i [I]) -> Self { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `primary` [INFO] [stdout] --> src/dc.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_primary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `secondary` [INFO] [stdout] --> src/dc.rs:18:48 [INFO] [stdout] | [INFO] [stdout] 18 | fn add_option(&mut self, primary: P, secondary: S) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secondary` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visit` [INFO] [stdout] --> src/dc.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | fn solve(self, visit: F) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_visit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/dc.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | fn pointer(&self, level: usize) -> Option { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/dc.rs:43:25 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/dc.rs:43:40 [INFO] [stdout] | [INFO] [stdout] 43 | fn option_of(&self, ix: InstIndex, result: &mut Vec<&'i I>) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "730a06cb765e8fe59a13eaeeef37f90d2b4b0798b3b13e2c6621cff035769773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "730a06cb765e8fe59a13eaeeef37f90d2b4b0798b3b13e2c6621cff035769773", kill_on_drop: false }` [INFO] [stdout] 730a06cb765e8fe59a13eaeeef37f90d2b4b0798b3b13e2c6621cff035769773