[INFO] cloning repository https://github.com/vlad-onis/cormen_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlad-onis/cormen_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad-onis%2Fcormen_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad-onis%2Fcormen_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 251bb3f00b1f12ca92749b6a3b366b32425769cb [INFO] checking vlad-onis/cormen_rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad-onis%2Fcormen_rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vlad-onis/cormen_rs 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 git repo https://github.com/vlad-onis/cormen_rs [INFO] finished tweaking git repo https://github.com/vlad-onis/cormen_rs [INFO] tweaked toml for git repo https://github.com/vlad-onis/cormen_rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vlad-onis/cormen_rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f60dcb0c19a5229a84e28692222de5a1280cf83c000e521843c33530b917d724 [INFO] running `Command { std: "docker" "start" "-a" "f60dcb0c19a5229a84e28692222de5a1280cf83c000e521843c33530b917d724", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f60dcb0c19a5229a84e28692222de5a1280cf83c000e521843c33530b917d724", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f60dcb0c19a5229a84e28692222de5a1280cf83c000e521843c33530b917d724", kill_on_drop: false }` [INFO] [stdout] f60dcb0c19a5229a84e28692222de5a1280cf83c000e521843c33530b917d724 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 94f5770da131b3e4f63c904be5dc74a11247ef9dd1de89b2400369c31cda8a89 [INFO] running `Command { std: "docker" "start" "-a" "94f5770da131b3e4f63c904be5dc74a11247ef9dd1de89b2400369c31cda8a89", kill_on_drop: false }` [INFO] [stderr] Checking cormen_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias `NodeLink` is never used [INFO] [stdout] --> src/bst.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type NodeLink = Rc>>; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/bst.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinarySearchTree` is never constructed [INFO] [stdout] --> src/bst.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct BinarySearchTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BinarySearchTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `new_with_parent` are never used [INFO] [stdout] --> src/bst.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Node { [INFO] [stdout] | --------------- associated functions in this implementation [INFO] [stdout] 23 | pub fn new(data: T) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn new_with_parent(data: T, parent: &NodeLink) -> Node { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `with_root`, `insert`, `insert_impl`, `find`, and `find_node` are never used [INFO] [stdout] --> src/bst.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl BinarySearchTree { [INFO] [stdout] | ----------------------------------------------------------- associated items in this implementation [INFO] [stdout] 43 | pub fn new() -> BinarySearchTree { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn with_root(root: Rc>>) -> BinarySearchTree { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn insert(&mut self, value: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn insert_impl(&self, current_node: &NodeLink, data: T) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn find(&self, data: T) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn find_node(start_node: &NodeLink, data: T) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/bst.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub parent: Option>>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `with_root` is never used [INFO] [stdout] --> src/bst.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl BinarySearchTree { [INFO] [stdout] | ----------------------------------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn with_root(root: Rc>>) -> BinarySearchTree { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "94f5770da131b3e4f63c904be5dc74a11247ef9dd1de89b2400369c31cda8a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94f5770da131b3e4f63c904be5dc74a11247ef9dd1de89b2400369c31cda8a89", kill_on_drop: false }` [INFO] [stdout] 94f5770da131b3e4f63c904be5dc74a11247ef9dd1de89b2400369c31cda8a89