[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#8384de5d92dd9b1c0b67caa5c1c1b11bf606490f for pr-146300 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgustavocadev%2Frust-example-tree" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gustavocadev/rust-example-tree on toolchain 8384de5d92dd9b1c0b67caa5c1c1b11bf606490f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "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" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hyper-util v0.1.7 [INFO] [stderr] Downloaded serde_derive v1.0.209 [INFO] [stderr] Downloaded serde v1.0.209 [INFO] [stderr] Downloaded reqwest v0.12.7 [INFO] [stderr] Downloaded serde_json v1.0.127 [INFO] [stderr] Downloaded rustls-webpki v0.102.7 [INFO] [stderr] Downloaded syn v2.0.76 [INFO] [stderr] Downloaded rustix v0.38.35 [INFO] [stderr] Downloaded tokio v1.39.3 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8384de5d92dd9b1c0b67caa5c1c1b11bf606490f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92ec87b0711b92af2438fcd302d5880c315a685783ce15690f439a44207c0527 [INFO] running `Command { std: "docker" "start" "-a" "92ec87b0711b92af2438fcd302d5880c315a685783ce15690f439a44207c0527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92ec87b0711b92af2438fcd302d5880c315a685783ce15690f439a44207c0527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92ec87b0711b92af2438fcd302d5880c315a685783ce15690f439a44207c0527", kill_on_drop: false }` [INFO] [stdout] 92ec87b0711b92af2438fcd302d5880c315a685783ce15690f439a44207c0527 [INFO] running `Command { std: "docker" "create" "-v" 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[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) 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: 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: 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: 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 20.19s [INFO] running `Command { std: "docker" "inspect" "7ce9b6fc1cd63e889a58158bb625ca77335e174682c46f08b888496f031025e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ce9b6fc1cd63e889a58158bb625ca77335e174682c46f08b888496f031025e6", kill_on_drop: false }` [INFO] [stdout] 7ce9b6fc1cd63e889a58158bb625ca77335e174682c46f08b888496f031025e6