[INFO] updating cached repository https://github.com/serhat359/rust-codes
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09dcc30a9715df8958ce04038f9e72befafab4ad
[INFO] testing serhat359/rust-codes against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserhat359%2Frust-codes" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serhat359/rust-codes on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/serhat359/rust-codes already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] f2994894d2a9b419edff63ed8412aa9869d6bd3b17c3132b08ea90d04d473f4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f2994894d2a9b419edff63ed8412aa9869d6bd3b17c3132b08ea90d04d473f4d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling main v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "f2994894d2a9b419edff63ed8412aa9869d6bd3b17c3132b08ea90d04d473f4d"`
[INFO] running `"docker" "rm" "-f" "f2994894d2a9b419edff63ed8412aa9869d6bd3b17c3132b08ea90d04d473f4d"`
[INFO] [stdout] f2994894d2a9b419edff63ed8412aa9869d6bd3b17c3132b08ea90d04d473f4d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ecab85cc77cd6f47ac153443259b0fc07ec83d331e9f0cf62f5ba635cfdb9f5
[INFO] running `"docker" "start" "-a" "8ecab85cc77cd6f47ac153443259b0fc07ec83d331e9f0cf62f5ba635cfdb9f5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling main v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "8ecab85cc77cd6f47ac153443259b0fc07ec83d331e9f0cf62f5ba635cfdb9f5"`
[INFO] running `"docker" "rm" "-f" "8ecab85cc77cd6f47ac153443259b0fc07ec83d331e9f0cf62f5ba635cfdb9f5"`
[INFO] [stdout] 8ecab85cc77cd6f47ac153443259b0fc07ec83d331e9f0cf62f5ba635cfdb9f5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3ad725ba4aa313b79324dda5c3409507d90367f47f30d5a53cd273a7ea75bfb
[INFO] running `"docker" "start" "-a" "b3ad725ba4aa313b79324dda5c3409507d90367f47f30d5a53cd273a7ea75bfb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]     |                                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-e620f212eb0a25e6
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b3ad725ba4aa313b79324dda5c3409507d90367f47f30d5a53cd273a7ea75bfb"`
[INFO] running `"docker" "rm" "-f" "b3ad725ba4aa313b79324dda5c3409507d90367f47f30d5a53cd273a7ea75bfb"`
[INFO] [stdout] b3ad725ba4aa313b79324dda5c3409507d90367f47f30d5a53cd273a7ea75bfb