[INFO] updating cached repository CharlieChai/baby_code_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CharlieChai/baby_code_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CharlieChai/baby_code_rust" "work/ex/clippy-test-run/sources/stable/gh/CharlieChai/baby_code_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/CharlieChai/baby_code_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CharlieChai/baby_code_rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CharlieChai/baby_code_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CharlieChai/baby_code_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67563cf46c7ec7b8c4eccd42965037a732bb93fc
[INFO] sha for GitHub repo CharlieChai/baby_code_rust: 67563cf46c7ec7b8c4eccd42965037a732bb93fc
[INFO] validating manifest of CharlieChai/baby_code_rust on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CharlieChai/baby_code_rust on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CharlieChai/baby_code_rust
[INFO] finished frobbing CharlieChai/baby_code_rust
[INFO] frobbed toml for CharlieChai/baby_code_rust written to work/ex/clippy-test-run/sources/stable/gh/CharlieChai/baby_code_rust/Cargo.toml
[INFO] started frobbing CharlieChai/baby_code_rust
[INFO] finished frobbing CharlieChai/baby_code_rust
[INFO] frobbed toml for CharlieChai/baby_code_rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CharlieChai/baby_code_rust/Cargo.toml
[INFO] crate CharlieChai/baby_code_rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting CharlieChai/baby_code_rust against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CharlieChai/baby_code_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 37d3afa2db189e52ebfcb681859155ca66920f3712ac5717e287e5adab96bf25
[INFO] running `"docker" "start" "-a" "37d3afa2db189e52ebfcb681859155ca66920f3712ac5717e287e5adab96bf25"`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/grep.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         print!("{}\n", line);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pool.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/tree.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             key: key,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/tree.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             value: value,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/grep.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         print!("{}\n", line);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pool.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/tree.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             key: key,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/tree.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             value: value,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::IpAddr`
[INFO] [stderr]  --> src/demo.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use std::net::IpAddr;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`, `SocketAddrV4`, `SocketAddrV6`
[INFO] [stderr]  --> src/demo.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
[INFO] [stderr]   |                    ^^^^^^^^  ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/demo.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         result
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/demo.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let result = *counter.lock().unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/tree.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 44 | |             if let Some(ref mut left) = self.left_node {
[INFO] [stderr] 45 | |                 left.insert(key, value);
[INFO] [stderr] 46 | |             } else {
[INFO] [stderr] 47 | |                 self.left_node = Some(Box::new(Node::new(key, value)));
[INFO] [stderr] 48 | |             }
[INFO] [stderr] 49 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 43 |         } else if let Some(ref mut left) = self.left_node {
[INFO] [stderr] 44 |     left.insert(key, value);
[INFO] [stderr] 45 | } else {
[INFO] [stderr] 46 |     self.left_node = Some(Box::new(Node::new(key, value)));
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::IpAddr`
[INFO] [stderr]  --> src/demo.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use std::net::IpAddr;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ipv4Addr`, `Ipv6Addr`, `SocketAddrV4`, `SocketAddrV6`
[INFO] [stderr]  --> src/demo.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 |     use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
[INFO] [stderr]   |                    ^^^^^^^^  ^^^^^^^^              ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/demo.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         result
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/demo.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let result = *counter.lock().unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/tree.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 44 | |             if let Some(ref mut left) = self.left_node {
[INFO] [stderr] 45 | |                 left.insert(key, value);
[INFO] [stderr] 46 | |             } else {
[INFO] [stderr] 47 | |                 self.left_node = Some(Box::new(Node::new(key, value)));
[INFO] [stderr] 48 | |             }
[INFO] [stderr] 49 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 43 |         } else if let Some(ref mut left) = self.left_node {
[INFO] [stderr] 44 |     left.insert(key, value);
[INFO] [stderr] 45 | } else {
[INFO] [stderr] 46 |     self.left_node = Some(Box::new(Node::new(key, value)));
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/demo.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let mut counter = Arc::new(Mutex::new(a));
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ServerAddr`
[INFO] [stderr]  --> src/demo.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     enum ServerAddr {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `listen_addr`
[INFO] [stderr]   --> src/demo.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         fn listen_addr(self) -> SocketAddr {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Context`
[INFO] [stderr]   --> src/demo.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     struct Context<'s>(&'s str);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/demo.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     struct Parser<'c, 's: 'c> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/demo.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         fn parse(&self) -> Result<(), &'s str> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_content`
[INFO] [stderr]   --> src/demo.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn parse_content(context: Context) -> Result<(), &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fa`
[INFO] [stderr]   --> src/demo.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn fa(s: &mut String) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `case_sensitive`
[INFO] [stderr]  --> src/grep.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     case_sensitive: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/demo.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let mut counter = Arc::new(Mutex::new(a));
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/http.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     stream.read(&mut buffer).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/http.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     stream.write(response.as_bytes()).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ServerAddr`
[INFO] [stderr]  --> src/demo.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     enum ServerAddr {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `listen_addr`
[INFO] [stderr]   --> src/demo.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         fn listen_addr(self) -> SocketAddr {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Context`
[INFO] [stderr]   --> src/demo.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     struct Context<'s>(&'s str);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/demo.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     struct Parser<'c, 's: 'c> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/demo.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         fn parse(&self) -> Result<(), &'s str> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_content`
[INFO] [stderr]   --> src/demo.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn parse_content(context: Context) -> Result<(), &str> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fa`
[INFO] [stderr]   --> src/demo.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn fa(s: &mut String) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `case_sensitive`
[INFO] [stderr]  --> src/grep.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     case_sensitive: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/stack.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new() -> Stack<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/stack.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]   --> src/stack.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn push(&mut self, val: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/stack.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/stack.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn new(v: T) -> StackNode<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `BST`
[INFO] [stderr]   --> src/tree.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | type BST<K, V> = Node<K, V>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `minigrep`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]   --> src/http.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     stream.read(&mut buffer).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/http.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     stream.write(response.as_bytes()).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "37d3afa2db189e52ebfcb681859155ca66920f3712ac5717e287e5adab96bf25"`
[INFO] running `"docker" "rm" "-f" "37d3afa2db189e52ebfcb681859155ca66920f3712ac5717e287e5adab96bf25"`
[INFO] [stdout] 37d3afa2db189e52ebfcb681859155ca66920f3712ac5717e287e5adab96bf25