[INFO] cloning repository https://github.com/YuyaKobayashi/rust_re_wheel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YuyaKobayashi/rust_re_wheel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuyaKobayashi%2Frust_re_wheel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuyaKobayashi%2Frust_re_wheel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b3e3583c375477949a58572b6e15ed7451eac32 [INFO] checking YuyaKobayashi/rust_re_wheel/7b3e3583c375477949a58572b6e15ed7451eac32 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuyaKobayashi%2Frust_re_wheel" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/YuyaKobayashi/rust_re_wheel on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/YuyaKobayashi/rust_re_wheel [INFO] finished tweaking git repo https://github.com/YuyaKobayashi/rust_re_wheel [INFO] tweaked toml for git repo https://github.com/YuyaKobayashi/rust_re_wheel written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/YuyaKobayashi/rust_re_wheel 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1fe09441e22db161074b761ad1d748807dfd828c18efca70f0896788705569ad [INFO] running `Command { std: "docker" "start" "-a" "1fe09441e22db161074b761ad1d748807dfd828c18efca70f0896788705569ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fe09441e22db161074b761ad1d748807dfd828c18efca70f0896788705569ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe09441e22db161074b761ad1d748807dfd828c18efca70f0896788705569ad", kill_on_drop: false }` [INFO] [stdout] 1fe09441e22db161074b761ad1d748807dfd828c18efca70f0896788705569ad [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9351e61a410b9bf2a4a043133a403f18ee26861db15fa1ef7afd5c6ca148f67b [INFO] running `Command { std: "docker" "start" "-a" "9351e61a410b9bf2a4a043133a403f18ee26861db15fa1ef7afd5c6ca148f67b", kill_on_drop: false }` [INFO] [stderr] Checking rust_re_wheel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `bin_tree::Error` is more private than the item `Node::::assign_left` [INFO] [stdout] --> src/tree/bin_tree.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn assign_left(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::::assign_left` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `bin_tree::Error` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/tree/bin_tree.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `bin_tree::Error` is more private than the item `Node::::assign_right` [INFO] [stdout] --> src/tree/bin_tree.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn assign_right(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::::assign_right` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `bin_tree::Error` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/tree/bin_tree.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Error` is never used [INFO] [stdout] --> src/tree/bin_tree.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/tree/bin_tree.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/tree/bin_tree.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Tree { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 20 | root: NodeRef, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/tree/bin_tree.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct DFSIter<'a, T> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 25 | tree: &'a Tree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DFSIter` 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 items `new`, `get_val`, `set_val`, `assign_left`, and `assign_right` are never used [INFO] [stdout] --> src/tree/bin_tree.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl Node where T: Copy { [INFO] [stdout] | ----------------------------- associated items in this implementation [INFO] [stdout] 30 | pub fn new(val: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn get_val(&self) -> T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn set_val(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn assign_left(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn assign_right(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `iter` are never used [INFO] [stdout] --> src/tree/bin_tree.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl Tree { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 64 | pub fn new(root: Node) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn iter(&self) -> DFSIter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `bin_tree::Error` is more private than the item `Node::::assign_left` [INFO] [stdout] --> src/tree/bin_tree.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn assign_left(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::::assign_left` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `bin_tree::Error` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/tree/bin_tree.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `bin_tree::Error` is more private than the item `Node::::assign_right` [INFO] [stdout] --> src/tree/bin_tree.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn assign_right(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::::assign_right` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `bin_tree::Error` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/tree/bin_tree.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Error` is never used [INFO] [stdout] --> src/tree/bin_tree.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/tree/bin_tree.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> src/tree/bin_tree.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Tree { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 20 | root: NodeRef, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/tree/bin_tree.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct DFSIter<'a, T> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 25 | tree: &'a Tree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DFSIter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_val`, `set_val`, `assign_left`, and `assign_right` are never used [INFO] [stdout] --> src/tree/bin_tree.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl Node where T: Copy { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn get_val(&self) -> T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn set_val(&mut self, val: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn assign_left(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn assign_right(&mut self, node: Self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/tree/bin_tree.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl Tree { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn iter(&self) -> DFSIter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "9351e61a410b9bf2a4a043133a403f18ee26861db15fa1ef7afd5c6ca148f67b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9351e61a410b9bf2a4a043133a403f18ee26861db15fa1ef7afd5c6ca148f67b", kill_on_drop: false }` [INFO] [stdout] 9351e61a410b9bf2a4a043133a403f18ee26861db15fa1ef7afd5c6ca148f67b