[INFO] cloning repository https://github.com/serhat359/rust-codes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serhat359/rust-codes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhat359%2Frust-codes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhat359%2Frust-codes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09dcc30a9715df8958ce04038f9e72befafab4ad
[INFO] testing serhat359/rust-codes against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhat359%2Frust-codes" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serhat359/rust-codes on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serhat359/rust-codes
[INFO] finished tweaking git repo https://github.com/serhat359/rust-codes
[INFO] tweaked toml for git repo https://github.com/serhat359/rust-codes written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/serhat359/rust-codes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f0e17e62360fd00eb06488973212d4206ae19c5f6d94eb97b9dfa54a546576
[INFO] running `Command { std: "docker" "start" "-a" "12f0e17e62360fd00eb06488973212d4206ae19c5f6d94eb97b9dfa54a546576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f0e17e62360fd00eb06488973212d4206ae19c5f6d94eb97b9dfa54a546576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f0e17e62360fd00eb06488973212d4206ae19c5f6d94eb97b9dfa54a546576", kill_on_drop: false }`
[INFO] [stdout] 12f0e17e62360fd00eb06488973212d4206ae19c5f6d94eb97b9dfa54a546576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e354e7d51f2ed7e964185447d1ad76fd413a8fed9d5739a21fee762a8d9faae4
[INFO] running `Command { std: "docker" "start" "-a" "e354e7d51f2ed7e964185447d1ad76fd413a8fed9d5739a21fee762a8d9faae4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling main v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Stack {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut st = Stack::new();
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> Stack{
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Stack{
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |             top: Node::Null
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let old_node: Node = self.top.clone();
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         match self.top {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let new_node: Node = match self.top {
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut x: Node = st.top;
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pointer`
[INFO] [stdout]  --> src/myobject.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pointer: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/codes.rs:102:37
[INFO] [stdout]     |
[INFO] [stdout] 102 |     println!("2 in array2: {}", array1.into_iter().any(|&x| x == 2));
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 102 |     println!("2 in array2: {}", array1.iter().any(|&x| x == 2));
[INFO] [stdout]     |                                        ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 102 |     println!("2 in array2: {}", IntoIterator::into_iter(array1).any(|&x| x == 2));
[INFO] [stdout]     |                                 ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.81s
[INFO] running `Command { std: "docker" "inspect" "e354e7d51f2ed7e964185447d1ad76fd413a8fed9d5739a21fee762a8d9faae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e354e7d51f2ed7e964185447d1ad76fd413a8fed9d5739a21fee762a8d9faae4", kill_on_drop: false }`
[INFO] [stdout] e354e7d51f2ed7e964185447d1ad76fd413a8fed9d5739a21fee762a8d9faae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8157c07b677fafbd6058aa7605f8ec7a0b55953f6b5ed670dd0d4f1eefaa49
[INFO] running `Command { std: "docker" "start" "-a" "6b8157c07b677fafbd6058aa7605f8ec7a0b55953f6b5ed670dd0d4f1eefaa49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling main v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Stack {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut st = Stack::new();
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new() -> Stack{
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 |         Stack{
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |             top: Node::Null
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let old_node: Node = self.top.clone();
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         match self.top {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let new_node: Node = match self.top {
[INFO] [stdout]    |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |         *self = Stack{ top: new_node };
[INFO] [stdout]    |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stdout]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stdout]   --> src/stack.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut x: Node = st.top;
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pointer`
[INFO] [stdout]  --> src/myobject.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pointer: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/codes.rs:102:37
[INFO] [stdout]     |
[INFO] [stdout] 102 |     println!("2 in array2: {}", array1.into_iter().any(|&x| x == 2));
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 102 |     println!("2 in array2: {}", array1.iter().any(|&x| x == 2));
[INFO] [stdout]     |                                        ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 102 |     println!("2 in array2: {}", IntoIterator::into_iter(array1).any(|&x| x == 2));
[INFO] [stdout]     |                                 ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "6b8157c07b677fafbd6058aa7605f8ec7a0b55953f6b5ed670dd0d4f1eefaa49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8157c07b677fafbd6058aa7605f8ec7a0b55953f6b5ed670dd0d4f1eefaa49", kill_on_drop: false }`
[INFO] [stdout] 6b8157c07b677fafbd6058aa7605f8ec7a0b55953f6b5ed670dd0d4f1eefaa49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfd049f446e4a4d34bf5e13971e5aecc8cd708aac16638f34c9fda35b5359bc1
[INFO] running `Command { std: "docker" "start" "-a" "dfd049f446e4a4d34bf5e13971e5aecc8cd708aac16638f34c9fda35b5359bc1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Stack {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:53:15
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut st = Stack::new();
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new() -> Stack{
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |         Stack{
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         *self = Stack{ top: new_node };
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `stack::Stack`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |         *self = Stack{ top: new_node };
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |             top: Node::Null
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:24:27
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let old_node: Node = self.top.clone();
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |         *self = Stack{ top: new_node };
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         match self.top {
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let new_node: Node = match self.top {
[INFO] [stderr]    |                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         *self = Stack{ top: new_node };
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated field `stack::Stack::top`: The stack implemented here uses self defined enum Node, which is not optimized by the compiler.
[INFO] [stderr]          The code implemented in rawstack.rs is a lot more faster than this code, please use that. The use of Enum complicates stuff, do not use Enums for data holding
[INFO] [stderr]   --> src/stack.rs:66:23
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut x: Node = st.top;
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pointer`
[INFO] [stderr]  --> src/myobject.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pointer: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]    --> src/codes.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     println!("2 in array2: {}", array1.into_iter().any(|&x| x == 2));
[INFO] [stderr]     |                                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 102 |     println!("2 in array2: {}", array1.iter().any(|&x| x == 2));
[INFO] [stderr]     |                                        ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 102 |     println!("2 in array2: {}", IntoIterator::into_iter(array1).any(|&x| x == 2));
[INFO] [stderr]     |                                 ++++++++++++++++++++++++      ~
[INFO] [stderr] 
[INFO] [stderr] warning: `main` (bin "main" test) generated 15 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-153b76e80257969f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfd049f446e4a4d34bf5e13971e5aecc8cd708aac16638f34c9fda35b5359bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd049f446e4a4d34bf5e13971e5aecc8cd708aac16638f34c9fda35b5359bc1", kill_on_drop: false }`
[INFO] [stdout] dfd049f446e4a4d34bf5e13971e5aecc8cd708aac16638f34c9fda35b5359bc1