[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhat359%2Frust-codes" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serhat359/rust-codes on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-14/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb0f2708e959ef73693f30d14d1019859bd4acb6fb7232a33e29b95d7239489
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5eb0f2708e959ef73693f30d14d1019859bd4acb6fb7232a33e29b95d7239489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb0f2708e959ef73693f30d14d1019859bd4acb6fb7232a33e29b95d7239489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb0f2708e959ef73693f30d14d1019859bd4acb6fb7232a33e29b95d7239489", kill_on_drop: false }`
[INFO] [stdout] 5eb0f2708e959ef73693f30d14d1019859bd4acb6fb7232a33e29b95d7239489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a1ab7c5ae92a1fb75f3ce8e7f555b531da498d3d7972fe0e8c2c80554daf1a3
[INFO] running `Command { std: "docker" "start" "-a" "9a1ab7c5ae92a1fb75f3ce8e7f555b531da498d3d7972fe0e8c2c80554daf1a3", kill_on_drop: false }`
[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 1.33s
[INFO] running `Command { std: "docker" "inspect" "9a1ab7c5ae92a1fb75f3ce8e7f555b531da498d3d7972fe0e8c2c80554daf1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1ab7c5ae92a1fb75f3ce8e7f555b531da498d3d7972fe0e8c2c80554daf1a3", kill_on_drop: false }`
[INFO] [stdout] 9a1ab7c5ae92a1fb75f3ce8e7f555b531da498d3d7972fe0e8c2c80554daf1a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d72674775b41cbf3f564a6cc5bd4ff76cf1105ee2c52d1e370194122b5b92ec3
[INFO] running `Command { std: "docker" "start" "-a" "d72674775b41cbf3f564a6cc5bd4ff76cf1105ee2c52d1e370194122b5b92ec3", kill_on_drop: false }`
[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 1.21s
[INFO] running `Command { std: "docker" "inspect" "d72674775b41cbf3f564a6cc5bd4ff76cf1105ee2c52d1e370194122b5b92ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72674775b41cbf3f564a6cc5bd4ff76cf1105ee2c52d1e370194122b5b92ec3", kill_on_drop: false }`
[INFO] [stdout] d72674775b41cbf3f564a6cc5bd4ff76cf1105ee2c52d1e370194122b5b92ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 287b18374bd890eea7a37998fbba8b276f9be9cbc9b62e07d29cccec7334cf20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "287b18374bd890eea7a37998fbba8b276f9be9cbc9b62e07d29cccec7334cf20", kill_on_drop: false }`
[INFO] [stdout] 
[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] [stdout] running 0 tests
[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] [stdout] 
[INFO] [stderr]   --> src/stack.rs:16:6
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-ab917148a0738add)
[INFO] running `Command { std: "docker" "inspect" "287b18374bd890eea7a37998fbba8b276f9be9cbc9b62e07d29cccec7334cf20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287b18374bd890eea7a37998fbba8b276f9be9cbc9b62e07d29cccec7334cf20", kill_on_drop: false }`
[INFO] [stdout] 287b18374bd890eea7a37998fbba8b276f9be9cbc9b62e07d29cccec7334cf20