[INFO] cloning repository https://github.com/jeremy-blackburn/safe-binary-search-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremy-blackburn/safe-binary-search-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremy-blackburn%2Fsafe-binary-search-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremy-blackburn%2Fsafe-binary-search-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] deb54b6c39a7070cf16bea2745bbe547ffe3bad5 [INFO] checking jeremy-blackburn/safe-binary-search-tree against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremy-blackburn%2Fsafe-binary-search-tree" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jeremy-blackburn/safe-binary-search-tree [INFO] finished tweaking git repo https://github.com/jeremy-blackburn/safe-binary-search-tree [INFO] tweaked toml for git repo https://github.com/jeremy-blackburn/safe-binary-search-tree written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jeremy-blackburn/safe-binary-search-tree on toolchain 32cd9114712a24010b0583624dc52ac302194128 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jeremy-blackburn/safe-binary-search-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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2559a33276c161fda2fc799d6489a087d71327aed30b50f42e77ce073fc70d7 [INFO] running `Command { std: "docker" "start" "-a" "f2559a33276c161fda2fc799d6489a087d71327aed30b50f42e77ce073fc70d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2559a33276c161fda2fc799d6489a087d71327aed30b50f42e77ce073fc70d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2559a33276c161fda2fc799d6489a087d71327aed30b50f42e77ce073fc70d7", kill_on_drop: false }` [INFO] [stdout] f2559a33276c161fda2fc799d6489a087d71327aed30b50f42e77ce073fc70d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4218a45eee159e5cb28ed19740ca54a38f8340150e9d26b85f4771d9de575ec7 [INFO] running `Command { std: "docker" "start" "-a" "4218a45eee159e5cb28ed19740ca54a38f8340150e9d26b85f4771d9de575ec7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking safe-binary-search-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> src/alternate.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::Borrow, fmt::Display}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> src/alternate.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::Borrow, fmt::Display}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_node` [INFO] [stdout] --> src/lib.rs:165:36 [INFO] [stdout] | [INFO] [stdout] 165 | (Some(_), Some(right_node)) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_node` [INFO] [stdout] --> src/lib.rs:226:36 [INFO] [stdout] | [INFO] [stdout] 226 | (Some(_), Some(right_node)) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_internal` is never used [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn delete_internal(root: &mut Node, val: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `BoxedNode` is never used [INFO] [stdout] --> src/alternate.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | type BoxedNode = Box>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/alternate.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinarySearchTree` is never constructed [INFO] [stdout] --> src/alternate.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct BinarySearchTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `exists`, `insert`, `delete`, `pretty_print`, and `height` are never used [INFO] [stdout] --> src/alternate.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl BinarySearchTree { [INFO] [stdout] | ---------------------------------------------------- methods in this implementation [INFO] [stdout] 82 | pub fn exists(&self, val: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub fn insert(&mut self, val: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub fn delete(&mut self, val: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn pretty_print(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 152 | pub fn height(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `height_internal` is never used [INFO] [stdout] --> src/alternate.rs:161:4 [INFO] [stdout] | [INFO] [stdout] 161 | fn height_internal(root: Option<&Node>) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `insert_internal` is never used [INFO] [stdout] --> src/alternate.rs:184:4 [INFO] [stdout] | [INFO] [stdout] 184 | fn insert_internal(root: &mut Node, val: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge` is never used [INFO] [stdout] --> src/alternate.rs:216:4 [INFO] [stdout] | [INFO] [stdout] 216 | fn merge(root: &mut Node, to_merge: BoxedNode) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_internal` is never used [INFO] [stdout] --> src/alternate.rs:239:4 [INFO] [stdout] | [INFO] [stdout] 239 | fn delete_internal(root: &mut Node, val: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `exists_internal` is never used [INFO] [stdout] --> src/alternate.rs:320:4 [INFO] [stdout] | [INFO] [stdout] 320 | fn exists_internal(root: &Node, val: T) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_node` [INFO] [stdout] --> src/lib.rs:165:36 [INFO] [stdout] | [INFO] [stdout] 165 | (Some(_), Some(right_node)) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_node` [INFO] [stdout] --> src/lib.rs:226:36 [INFO] [stdout] | [INFO] [stdout] 226 | (Some(_), Some(right_node)) => { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_internal` is never used [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn delete_internal(root: &mut Node, val: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `exists` is never used [INFO] [stdout] --> src/alternate.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl BinarySearchTree { [INFO] [stdout] | ---------------------------------------------------- method in this implementation [INFO] [stdout] 82 | pub fn exists(&self, val: T) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `exists_internal` is never used [INFO] [stdout] --> src/alternate.rs:320:4 [INFO] [stdout] | [INFO] [stdout] 320 | fn exists_internal(root: &Node, val: T) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.42s [INFO] running `Command { std: "docker" "inspect" "4218a45eee159e5cb28ed19740ca54a38f8340150e9d26b85f4771d9de575ec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4218a45eee159e5cb28ed19740ca54a38f8340150e9d26b85f4771d9de575ec7", kill_on_drop: false }` [INFO] [stdout] 4218a45eee159e5cb28ed19740ca54a38f8340150e9d26b85f4771d9de575ec7