[INFO] cloning repository https://github.com/sakeof-capy/dsaa_labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sakeof-capy/dsaa_labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakeof-capy%2Fdsaa_labs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakeof-capy%2Fdsaa_labs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dea2c784ae52af5085cef475b7c6735aba88d8f8 [INFO] checking sakeof-capy/dsaa_labs against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakeof-capy%2Fdsaa_labs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sakeof-capy/dsaa_labs on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sakeof-capy/dsaa_labs [INFO] finished tweaking git repo https://github.com/sakeof-capy/dsaa_labs [INFO] tweaked toml for git repo https://github.com/sakeof-capy/dsaa_labs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sakeof-capy/dsaa_labs 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f163ed26194e8dea10260408f21fe44f8c8e16ee63a94d7563ccf19cd3680d67 [INFO] running `Command { std: "docker" "start" "-a" "f163ed26194e8dea10260408f21fe44f8c8e16ee63a94d7563ccf19cd3680d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f163ed26194e8dea10260408f21fe44f8c8e16ee63a94d7563ccf19cd3680d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f163ed26194e8dea10260408f21fe44f8c8e16ee63a94d7563ccf19cd3680d67", kill_on_drop: false }` [INFO] [stdout] f163ed26194e8dea10260408f21fe44f8c8e16ee63a94d7563ccf19cd3680d67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acedf7702702deb9ff012a8ea48880f494af392a61625c4bff836ebb0669bec7 [INFO] running `Command { std: "docker" "start" "-a" "acedf7702702deb9ff012a8ea48880f494af392a61625c4bff836ebb0669bec7", kill_on_drop: false }` [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Compiling serde v1.0.214 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking lab4 v0.1.0 (/opt/rustwide/workdir/lab4) [INFO] [stderr] Checking lab1 v0.1.0 (/opt/rustwide/workdir/lab1) [INFO] [stderr] Checking lab2 v0.1.0 (/opt/rustwide/workdir/lab2) [INFO] [stderr] Checking lab6 v0.1.0 (/opt/rustwide/workdir/lab6) [INFO] [stderr] Checking lab3 v0.1.0 (/opt/rustwide/workdir/lab3) [INFO] [stdout] warning: unused import: `ParentifiedTree` [INFO] [stdout] --> lab3/src/array_bst.rs:437:47 [INFO] [stdout] | [INFO] [stdout] 437 | use crate::traits::{NodeIdentifiableTree, ParentifiedTree, RotatableTree, Tree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NodeIdentifiableTree`, `ParentifiedTree`, and `RotatableTree` [INFO] [stdout] --> lab3/src/list_bst.rs:268:25 [INFO] [stdout] | [INFO] [stdout] 268 | use crate::traits::{NodeIdentifiableTree, ParentifiedTree, RotatableTree, Tree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lab2_bin v0.1.0 (/opt/rustwide/workdir/lab2_bin) [INFO] [stderr] Checking lab1_bin v0.1.0 (/opt/rustwide/workdir/lab1_bin) [INFO] [stdout] error[E0609]: no field `bor` on type `RefCell` [INFO] [stdout] --> lab3/src/array_bst.rs:384:18 [INFO] [stdout] | [INFO] [stdout] 384 | node.val.bor [INFO] [stdout] | ^^^ unknown field [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lab6_bin v0.1.0 (/opt/rustwide/workdir/lab6_bin) [INFO] [stdout] error[E0609]: no field `bor` on type `RefCell` [INFO] [stdout] --> lab3/src/array_bst.rs:384:18 [INFO] [stdout] | [INFO] [stdout] 384 | node.val.bor [INFO] [stdout] | ^^^ unknown field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> lab3/src/red_black_tree.rs:130:26 [INFO] [stdout] | [INFO] [stdout] 130 | fn delete(&mut self, key: &Key) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> lab3/src/list_bst.rs:97:26 [INFO] [stdout] | [INFO] [stdout] 97 | fn delete(&mut self, key: &Key) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> lab3/src/list_bst.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | Some(node.borrow().val.borrow()) [INFO] [stdout] | ^^^^^-------------^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | temporary value created here [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing local variable `node` [INFO] [stdout] --> lab3/src/list_bst.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | Some(node.borrow().val.borrow()) [INFO] [stdout] | ^^^^^----^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | `node` is borrowed here [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:169:33 [INFO] [stdout] | [INFO] [stdout] 169 | fn get_by_id_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:177:31 [INFO] [stdout] | [INFO] [stdout] 177 | fn get_left_son_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | fn get_right_son_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:189:36 [INFO] [stdout] | [INFO] [stdout] 189 | fn get_left_son_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:193:37 [INFO] [stdout] | [INFO] [stdout] 193 | fn get_right_son_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:201:29 [INFO] [stdout] | [INFO] [stdout] 201 | fn modify(&mut self, node_id: NodeId, modifier: F) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `modifier` [INFO] [stdout] --> lab3/src/list_bst.rs:201:58 [INFO] [stdout] | [INFO] [stdout] 201 | fn modify(&mut self, node_id: NodeId, modifier: F) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modifier` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:214:29 [INFO] [stdout] | [INFO] [stdout] 214 | fn get_parent_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:218:30 [INFO] [stdout] | [INFO] [stdout] 218 | fn get_parent(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:222:34 [INFO] [stdout] | [INFO] [stdout] 222 | fn get_parent_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:226:33 [INFO] [stdout] | [INFO] [stdout] 226 | fn get_left_uncle_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:230:34 [INFO] [stdout] | [INFO] [stdout] 230 | fn get_right_uncle_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:234:38 [INFO] [stdout] | [INFO] [stdout] 234 | fn get_left_uncle_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:238:39 [INFO] [stdout] | [INFO] [stdout] 238 | fn get_right_uncle_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:242:27 [INFO] [stdout] | [INFO] [stdout] 242 | fn is_left_son(&self, node_id: NodeId) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:246:28 [INFO] [stdout] | [INFO] [stdout] 246 | fn is_right_son(&self, node_id: NodeId) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | fn right_rotate(&mut self, node_id: NodeId) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:260:31 [INFO] [stdout] | [INFO] [stdout] 260 | fn left_rotate(&mut self, node_id: NodeId) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0515, E0609. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lab3` (bin "lab3") due to 3 previous errors; 20 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> lab3/src/red_black_tree.rs:130:26 [INFO] [stdout] | [INFO] [stdout] 130 | fn delete(&mut self, key: &Key) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> lab3/src/list_bst.rs:97:26 [INFO] [stdout] | [INFO] [stdout] 97 | fn delete(&mut self, key: &Key) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> lab3/src/list_bst.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | Some(node.borrow().val.borrow()) [INFO] [stdout] | ^^^^^-------------^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | temporary value created here [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing local variable `node` [INFO] [stdout] --> lab3/src/list_bst.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | Some(node.borrow().val.borrow()) [INFO] [stdout] | ^^^^^----^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | `node` is borrowed here [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:169:33 [INFO] [stdout] | [INFO] [stdout] 169 | fn get_by_id_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:177:31 [INFO] [stdout] | [INFO] [stdout] 177 | fn get_left_son_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:181:32 [INFO] [stdout] | [INFO] [stdout] 181 | fn get_right_son_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:189:36 [INFO] [stdout] | [INFO] [stdout] 189 | fn get_left_son_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:193:37 [INFO] [stdout] | [INFO] [stdout] 193 | fn get_right_son_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:201:29 [INFO] [stdout] | [INFO] [stdout] 201 | fn modify(&mut self, node_id: NodeId, modifier: F) [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `modifier` [INFO] [stdout] --> lab3/src/list_bst.rs:201:58 [INFO] [stdout] | [INFO] [stdout] 201 | fn modify(&mut self, node_id: NodeId, modifier: F) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modifier` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:214:29 [INFO] [stdout] | [INFO] [stdout] 214 | fn get_parent_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:218:30 [INFO] [stdout] | [INFO] [stdout] 218 | fn get_parent(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:222:34 [INFO] [stdout] | [INFO] [stdout] 222 | fn get_parent_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:226:33 [INFO] [stdout] | [INFO] [stdout] 226 | fn get_left_uncle_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:230:34 [INFO] [stdout] | [INFO] [stdout] 230 | fn get_right_uncle_id(&self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:234:38 [INFO] [stdout] | [INFO] [stdout] 234 | fn get_left_uncle_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:238:39 [INFO] [stdout] | [INFO] [stdout] 238 | fn get_right_uncle_mut(&mut self, node_id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:242:27 [INFO] [stdout] | [INFO] [stdout] 242 | fn is_left_son(&self, node_id: NodeId) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:246:28 [INFO] [stdout] | [INFO] [stdout] 246 | fn is_right_son(&self, node_id: NodeId) -> bool { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:256:32 [INFO] [stdout] | [INFO] [stdout] 256 | fn right_rotate(&mut self, node_id: NodeId) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> lab3/src/list_bst.rs:260:31 [INFO] [stdout] | [INFO] [stdout] 260 | fn left_rotate(&mut self, node_id: NodeId) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0515, E0609. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lab3` (bin "lab3" test) due to 3 previous errors; 22 warnings emitted [INFO] running `Command { std: "docker" "inspect" "acedf7702702deb9ff012a8ea48880f494af392a61625c4bff836ebb0669bec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acedf7702702deb9ff012a8ea48880f494af392a61625c4bff836ebb0669bec7", kill_on_drop: false }` [INFO] [stdout] acedf7702702deb9ff012a8ea48880f494af392a61625c4bff836ebb0669bec7