[INFO] cloning repository https://github.com/chemonoworld/my_bst_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chemonoworld/my_bst_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemonoworld%2Fmy_bst_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemonoworld%2Fmy_bst_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b4dc44edf9b44847b437146a05d683f3744f07e [INFO] checking chemonoworld/my_bst_rust against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchemonoworld%2Fmy_bst_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chemonoworld/my_bst_rust [INFO] finished tweaking git repo https://github.com/chemonoworld/my_bst_rust [INFO] tweaked toml for git repo https://github.com/chemonoworld/my_bst_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chemonoworld/my_bst_rust on toolchain cccf075eba88363269e8589ebb8d40874cc542d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/chemonoworld/my_bst_rust 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" "+cccf075eba88363269e8589ebb8d40874cc542d8" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3698ff1d9ed83a63cc89e0d1259b63285e26ebd1ad4f66eda177d9a42e4c989f [INFO] running `Command { std: "docker" "start" "-a" "3698ff1d9ed83a63cc89e0d1259b63285e26ebd1ad4f66eda177d9a42e4c989f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3698ff1d9ed83a63cc89e0d1259b63285e26ebd1ad4f66eda177d9a42e4c989f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3698ff1d9ed83a63cc89e0d1259b63285e26ebd1ad4f66eda177d9a42e4c989f", kill_on_drop: false }` [INFO] [stdout] 3698ff1d9ed83a63cc89e0d1259b63285e26ebd1ad4f66eda177d9a42e4c989f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c45d3e85418732ff2f2d79efa7cfacc41185b1a32fc09949634b9293213b8dd1 [INFO] running `Command { std: "docker" "start" "-a" "c45d3e85418732ff2f2d79efa7cfacc41185b1a32fc09949634b9293213b8dd1", kill_on_drop: false }` [INFO] [stderr] Checking bst v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/my_node/node.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/my_node/node.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(value: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn get_value(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn set_value(&mut self, value: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn get_left(&self) -> Option<&Box> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn set_left(&mut self, left: Option>) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn get_right(&self) -> Option<&Box> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn set_right(&mut self, right: Option>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/my_stack/stack.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `peek`, and `is_empty` are never used [INFO] [stdout] --> src/my_stack/stack.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Stack { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 9 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn push(&mut self, node: Node) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn peek(&self) -> Option<&Node> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinarySearchTree` is never constructed [INFO] [stdout] --> src/my_bst/my_bst.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct BinarySearchTree { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, and `search` are never used [INFO] [stdout] --> src/my_bst/my_bst.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl BinarySearchTree { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn insert(&mut self, value: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn search(&self, value: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_value`, `get_left`, `set_left`, `get_right`, and `set_right` are never used [INFO] [stdout] --> src/my_node/node.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Node { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn set_value(&mut self, value: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn get_left(&self) -> Option<&Box> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn set_left(&mut self, left: Option>) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn get_right(&self) -> Option<&Box> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn set_right(&mut self, right: Option>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "c45d3e85418732ff2f2d79efa7cfacc41185b1a32fc09949634b9293213b8dd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c45d3e85418732ff2f2d79efa7cfacc41185b1a32fc09949634b9293213b8dd1", kill_on_drop: false }` [INFO] [stdout] c45d3e85418732ff2f2d79efa7cfacc41185b1a32fc09949634b9293213b8dd1