[INFO] cloning repository https://github.com/Aria-iu/DS_ALGO
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aria-iu/DS_ALGO" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAria-iu%2FDS_ALGO", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAria-iu%2FDS_ALGO'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecece3be589df1500889bad49a0935fe93ff3d21
[INFO] testing Aria-iu/DS_ALGO against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAria-iu%2FDS_ALGO" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aria-iu/DS_ALGO
[INFO] finished tweaking git repo https://github.com/Aria-iu/DS_ALGO
[INFO] tweaked toml for git repo https://github.com/Aria-iu/DS_ALGO written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aria-iu/DS_ALGO on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aria-iu/DS_ALGO already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbd30da7602aea40a493f1ab2d20076d0768dd660e7fe5fc99eb4575c8a17e0
[INFO] running `Command { std: "docker" "start" "-a" "efbd30da7602aea40a493f1ab2d20076d0768dd660e7fe5fc99eb4575c8a17e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbd30da7602aea40a493f1ab2d20076d0768dd660e7fe5fc99eb4575c8a17e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbd30da7602aea40a493f1ab2d20076d0768dd660e7fe5fc99eb4575c8a17e0", kill_on_drop: false }`
[INFO] [stdout] efbd30da7602aea40a493f1ab2d20076d0768dd660e7fe5fc99eb4575c8a17e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67c6e63855bcc81b5d351d73bcab3079a29184167454c367adfeaa298c33173a
[INFO] running `Command { std: "docker" "start" "-a" "67c6e63855bcc81b5d351d73bcab3079a29184167454c367adfeaa298c33173a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `min_camera_cover::TreeNode` is more private than the item `min_camera_cover`
[INFO] [stdout]   --> src/greedy/min_camera_cover.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn min_camera_cover(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `min_camera_cover` is reachable at visibility `pub(in crate::greedy)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `min_camera_cover::TreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/greedy/min_camera_cover.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | struct TreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/deque/deque.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/deque/deque.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list_stack.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |             ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list_stack.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/queue/queue.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/queue/queue.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/basic/vec/lvec.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/basic/vec/lvec.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "67c6e63855bcc81b5d351d73bcab3079a29184167454c367adfeaa298c33173a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c6e63855bcc81b5d351d73bcab3079a29184167454c367adfeaa298c33173a", kill_on_drop: false }`
[INFO] [stdout] 67c6e63855bcc81b5d351d73bcab3079a29184167454c367adfeaa298c33173a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5745e05693956aaa5b4f5d86c2f238a445273bf70935ab0dcb59ea16fc99c055
[INFO] running `Command { std: "docker" "start" "-a" "5745e05693956aaa5b4f5d86c2f238a445273bf70935ab0dcb59ea16fc99c055", kill_on_drop: false }`
[INFO] [stdout] warning: type `min_camera_cover::TreeNode` is more private than the item `min_camera_cover`
[INFO] [stdout]   --> src/greedy/min_camera_cover.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn min_camera_cover(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `min_camera_cover` is reachable at visibility `pub(in crate::greedy)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `min_camera_cover::TreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/greedy/min_camera_cover.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | struct TreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/deque/deque.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/deque/deque.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list_stack.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |             ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list_stack.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/queue/queue.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/queue/queue.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/basic/vec/lvec.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/basic/vec/lvec.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ds_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `min_camera_cover::TreeNode` is more private than the item `min_camera_cover`
[INFO] [stdout]   --> src/greedy/min_camera_cover.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn min_camera_cover(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `min_camera_cover` is reachable at visibility `pub(in crate::greedy)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `min_camera_cover::TreeNode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/greedy/min_camera_cover.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | struct TreeNode {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/deque/deque.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/deque/deque.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list_stack.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |             ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/link_list/list_stack.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/queue/queue.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/basic/queue/queue.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/basic/vec/lvec.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/basic/vec/lvec.rs:146:21
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.11s
[INFO] running `Command { std: "docker" "inspect" "5745e05693956aaa5b4f5d86c2f238a445273bf70935ab0dcb59ea16fc99c055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5745e05693956aaa5b4f5d86c2f238a445273bf70935ab0dcb59ea16fc99c055", kill_on_drop: false }`
[INFO] [stdout] 5745e05693956aaa5b4f5d86c2f238a445273bf70935ab0dcb59ea16fc99c055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9923d81357fb42d93b03d4ee7a78a87bd85dc140ef7f8c549d4cf90e89bb9092
[INFO] running `Command { std: "docker" "start" "-a" "9923d81357fb42d93b03d4ee7a78a87bd85dc140ef7f8c549d4cf90e89bb9092", kill_on_drop: false }`
[INFO] [stderr] warning: type `min_camera_cover::TreeNode` is more private than the item `min_camera_cover`
[INFO] [stderr]   --> src/greedy/min_camera_cover.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn min_camera_cover(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `min_camera_cover` is reachable at visibility `pub(in crate::greedy)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `min_camera_cover::TreeNode` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/greedy/min_camera_cover.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | struct TreeNode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/deque/deque.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/deque/deque.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/link_list/list.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/link_list/list.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/link_list/list_stack.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn iter(&self) -> Iter<T> {
[INFO] [stderr]    |             ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |             |
[INFO] [stderr]    |             this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/link_list/list_stack.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]    |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/queue/queue.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]    |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/basic/queue/queue.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]    |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/basic/vec/lvec.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/basic/vec/lvec.rs:146:21
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ds_algo` (lib) generated 11 warnings
[INFO] [stderr] warning: `ds_algo` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ds_algo-39de2865ea11b197)
[INFO] [stdout] 
[INFO] [stdout] running 71 tests
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_generate_4_3 ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_generate_k_greater_than_n ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_generate_n_eq_k ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_zero_range_with_nonzero_k ... ok
[INFO] [stdout] test backtrace::combination_sum2::tests::test_7 ... ok
[INFO] [stdout] test backtrace::combination_sum3::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_generate_5_3 ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_generate_5_1 ... ok
[INFO] [stdout] test backtrace::all_combination_of_size_k::tests::test_empty ... ok
[INFO] [stdout] test backtrace::combination_sum::tests::test_7 ... ok
[INFO] [stdout] test backtrace::find_itinerary::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::letter_combinations::tests::test_23 ... ok
[INFO] [stdout] test backtrace::permute_unique::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::solve_n_queens::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::subsets::tests::test_generate_4_2 ... ok
[INFO] [stdout] test basic::graph::graph_adjlist::ga_test ... ok
[INFO] [stdout] test basic::graph::graph_matrix::gm_test ... ok
[INFO] [stdout] test backtrace::permute::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::subsets_with_dup::tests::test_generate_4_2 ... ok
[INFO] [stdout] test backtrace::find_subsequences::tests::test_generate_4_2 ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::directed_wrong_edge ... ok
[INFO] [stdout] test graph::bellman_ford::tests::single_edge ... ok
[INFO] [stdout] test graph::bellman_ford::tests::single_vertex ... ok
[INFO] [stdout] test basic::tree::binary_tree::test_bt ... ok
[INFO] [stdout] test dynamic_programming::zero_one_bag::test ... ok
[INFO] [stdout] test graph::bellman_ford::tests::graph_1 ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::no_edge ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::path ... ok
[INFO] [stdout] test graph::depth_first_search::tests::directed_right_edge ... ok
[INFO] [stdout] test graph::bellman_ford::tests::graph_2 ... ok
[INFO] [stdout] test graph::depth_first_search::tests::directed_wrong_edge ... ok
[INFO] [stdout] test graph::bellman_ford::tests::graph_with_negative_loop ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::divided ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::finds_in_kn ... ok
[INFO] [stdout] test basic::tree::binary_heap::test_bh ... ok
[INFO] [stdout] test backtrace::partition_palindrome::tests::test_generate_4_2 ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::island ... ok
[INFO] [stdout] test graph::bellman_ford::tests::tree_1 ... ok
[INFO] [stdout] test basic::tree::bst::bst_test ... ok
[INFO] [stdout] test dynamic_programming::full_bag::tests::test ... ok
[INFO] [stdout] test graph::breadth_first_search::tests::directed_right_edge ... ok
[INFO] [stdout] test graph::depth_first_search::tests::divided ... ok
[INFO] [stdout] test graph::depth_first_search::tests::finds_in_kn ... ok
[INFO] [stdout] test graph::depth_first_search::tests::no_edge ... ok
[INFO] [stdout] test graph::depth_first_search::tests::island ... ok
[INFO] [stdout] test graph::depth_first_search::tests::path ... ok
[INFO] [stdout] test graph::dijkstra::tests::graph_1 ... ok
[INFO] [stdout] test graph::dijkstra::tests::single_edge ... ok
[INFO] [stdout] test graph::dijkstra::tests::single_vertex ... ok
[INFO] [stdout] test graph::disjoint_set_union::tests::create_acyclic_graph ... ok
[INFO] [stdout] test graph::minimum_spanning_tree_kruskal::tests::test_seven_vertices_eleven_edges ... ok
[INFO] [stdout] test greedy::can_complete_circuit::test ... ok
[INFO] [stdout] test graph::minimum_spanning_tree_kruskal::tests::test_ten_vertices_twenty_edges ... ok
[INFO] [stdout] test greedy::least_jump::test ... ok
[INFO] [stderr]    Doc-tests ds_algo
[INFO] [stdout] test graph::dijkstra::tests::tree_1 ... ok
[INFO] [stdout] test backtrace::solve_sudoku::tests::test ... ok
[INFO] [stdout] test graph::lowest_common_ancestor::tests::small_binary_tree ... ok
[INFO] [stdout] test greedy::largest_sum_after_k_negations::test ... ok
[INFO] [stdout] test greedy::max_sub_array::test ... ok
[INFO] [stdout] test greedy::merge::test ... ok
[INFO] [stdout] test greedy::partition_labels::test ... ok
[INFO] [stdout] test greedy::reconstruct_queue::test ... ok
[INFO] [stdout] test greedy::wiggle_max_length::test ... ok
[INFO] [stdout] test tests::deque_test ... ok
[INFO] [stdout] test tests::hanoi_test ... ok
[INFO] [stdout] test tests::link_list_test ... ok
[INFO] [stdout] test tests::num2str_test ... ok
[INFO] [stdout] test tests::vec_test ... ok
[INFO] [stdout] test tests::queue_test ... ok
[INFO] [stdout] test greedy::monotone_increasing_digits::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 71 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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" "9923d81357fb42d93b03d4ee7a78a87bd85dc140ef7f8c549d4cf90e89bb9092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9923d81357fb42d93b03d4ee7a78a87bd85dc140ef7f8c549d4cf90e89bb9092", kill_on_drop: false }`
[INFO] [stdout] 9923d81357fb42d93b03d4ee7a78a87bd85dc140ef7f8c549d4cf90e89bb9092
