[INFO] cloning repository https://github.com/gustavocadev/rust-example-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gustavocadev/rust-example-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavocadev%2Frust-example-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavocadev%2Frust-example-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 192e9f04c4205848962ff67244e2727636947ab7 [INFO] checking gustavocadev/rust-example-tree against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavocadev%2Frust-example-tree" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gustavocadev/rust-example-tree [INFO] finished tweaking git repo https://github.com/gustavocadev/rust-example-tree [INFO] tweaked toml for git repo https://github.com/gustavocadev/rust-example-tree written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gustavocadev/rust-example-tree on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gustavocadev/rust-example-tree 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" 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kill_on_drop: false }` [INFO] [stdout] fdabfc44d330b933aae154ebb336af59f7fc1ccc291e6cead24a08897eba31a8 [INFO] running `Command { std: "docker" "start" "-a" "fdabfc44d330b933aae154ebb336af59f7fc1ccc291e6cead24a08897eba31a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdabfc44d330b933aae154ebb336af59f7fc1ccc291e6cead24a08897eba31a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdabfc44d330b933aae154ebb336af59f7fc1ccc291e6cead24a08897eba31a8", kill_on_drop: false }` [INFO] [stdout] fdabfc44d330b933aae154ebb336af59f7fc1ccc291e6cead24a08897eba31a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33c94c4ae14ead8a123eac848e5a3b000b9e0564e31b39a52a920bcba4ffa923 [INFO] running `Command { std: "docker" "start" "-a" "33c94c4ae14ead8a123eac848e5a3b000b9e0564e31b39a52a920bcba4ffa923", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling httparse v1.9.4 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking indexmap v2.4.0 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking tower-service v0.3.3 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking rustls-pki-types v1.8.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Checking sync_wrapper v1.0.1 [INFO] [stderr] Checking encoding_rs v0.8.34 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking rustls-pemfile v2.1.3 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking url v2.5.2 [INFO] [stderr] Checking tokio v1.39.3 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking tokio-util v0.7.11 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.4.6 [INFO] [stderr] Checking hyper v1.4.1 [INFO] [stderr] Checking hyper-util v0.1.7 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.7 [INFO] [stderr] Checking rust-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | fn set_left(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:17:27 [INFO] [stdout] | [INFO] [stdout] 17 | fn set_right(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:16:26 [INFO] [stdout] | [INFO] [stdout] 16 | fn set_left(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:17:27 [INFO] [stdout] | [INFO] [stdout] 17 | fn set_right(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | let mut root = Node::new(6); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node1` [INFO] [stdout] --> src/main.rs:53:11 [INFO] [stdout] | [INFO] [stdout] 53 | let mut node1 = Node::new(4); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node2` [INFO] [stdout] --> src/main.rs:54:11 [INFO] [stdout] | [INFO] [stdout] 54 | let mut node2 = Node::new(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node3` [INFO] [stdout] --> src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut node3 = Node::new(5); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node4` [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut node4 = Node::new(8); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node5` [INFO] [stdout] --> src/main.rs:57:11 [INFO] [stdout] | [INFO] [stdout] 57 | let mut node5 = Node::new(9); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | let mut root = Node::new(6); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node1` [INFO] [stdout] --> src/main.rs:53:11 [INFO] [stdout] | [INFO] [stdout] 53 | let mut node1 = Node::new(4); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node2` [INFO] [stdout] --> src/main.rs:54:11 [INFO] [stdout] | [INFO] [stdout] 54 | let mut node2 = Node::new(1); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node3` [INFO] [stdout] --> src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut node3 = Node::new(5); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node4` [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut node4 = Node::new(8); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node5` [INFO] [stdout] --> src/main.rs:57:11 [INFO] [stdout] | [INFO] [stdout] 57 | let mut node5 = Node::new(9); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_node5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | let mut root = Node::new(6); [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/main.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | let mut node1 = Node::new(4); [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/main.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut node2 = Node::new(1); [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/main.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | let mut node3 = Node::new(5); [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/main.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | let mut node4 = Node::new(8); [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/main.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | let mut node5 = Node::new(9); [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/main.rs:52:7 [INFO] [stdout] | [INFO] [stdout] 52 | let mut root = Node::new(6); [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/main.rs:53:7 [INFO] [stdout] | [INFO] [stdout] 53 | let mut node1 = Node::new(4); [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/main.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut node2 = Node::new(1); [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/main.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | let mut node3 = Node::new(5); [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/main.rs:56:7 [INFO] [stdout] | [INFO] [stdout] 56 | let mut node4 = Node::new(8); [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/main.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | let mut node5 = Node::new(9); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `dato`, `left`, and `right` are never read [INFO] [stdout] --> src/main.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 1 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 2 | dato: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 3 | left: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | right: Option>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_left` and `set_right` are never used [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 7 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | fn set_left(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 17 | fn set_right(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inorder` is never used [INFO] [stdout] --> src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn inorder(node: &Option>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `preorder` is never used [INFO] [stdout] --> src/main.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn preorder(node: &Option>) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `postorder` is never used [INFO] [stdout] --> src/main.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn postorder(node: &Option>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `factorial` is never used [INFO] [stdout] --> src/main.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn factorial(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `dato`, `left`, and `right` are never read [INFO] [stdout] --> src/main.rs:2:3 [INFO] [stdout] | [INFO] [stdout] 1 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 2 | dato: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 3 | left: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | right: Option>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_left` and `set_right` are never used [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 7 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | fn set_left(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 17 | fn set_right(&mut self, node: &mut Node) -> () {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inorder` is never used [INFO] [stdout] --> src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn inorder(node: &Option>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `preorder` is never used [INFO] [stdout] --> src/main.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn preorder(node: &Option>) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `postorder` is never used [INFO] [stdout] --> src/main.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn postorder(node: &Option>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `factorial` is never used [INFO] [stdout] --> src/main.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn factorial(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.05s [INFO] running `Command { std: "docker" "inspect" "33c94c4ae14ead8a123eac848e5a3b000b9e0564e31b39a52a920bcba4ffa923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c94c4ae14ead8a123eac848e5a3b000b9e0564e31b39a52a920bcba4ffa923", kill_on_drop: false }` [INFO] [stdout] 33c94c4ae14ead8a123eac848e5a3b000b9e0564e31b39a52a920bcba4ffa923