[INFO] cloning repository https://github.com/gvelim/CSX0003RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gvelim/CSX0003RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgvelim%2FCSX0003RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgvelim%2FCSX0003RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71e39cb5eeab7153d5c25340fd2cf404b5b7e5ed
[INFO] checking gvelim/CSX0003RUST against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgvelim%2FCSX0003RUST" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gvelim/CSX0003RUST
[INFO] finished tweaking git repo https://github.com/gvelim/CSX0003RUST
[INFO] tweaked toml for git repo https://github.com/gvelim/CSX0003RUST written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gvelim/CSX0003RUST on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gvelim/CSX0003RUST 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking gvelim/CSX0003RUST against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgvelim%2FCSX0003RUST" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gvelim/CSX0003RUST
[INFO] finished tweaking git repo https://github.com/gvelim/CSX0003RUST
[INFO] tweaked toml for git repo https://github.com/gvelim/CSX0003RUST written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gvelim/CSX0003RUST on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gvelim/CSX0003RUST 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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbag v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49433ec7e9c46058eb3038848b62cb00a3d80b11a35f9179a381a749908edb6
[INFO] running `Command { std: "docker" "start" "-a" "f49433ec7e9c46058eb3038848b62cb00a3d80b11a35f9179a381a749908edb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49433ec7e9c46058eb3038848b62cb00a3d80b11a35f9179a381a749908edb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49433ec7e9c46058eb3038848b62cb00a3d80b11a35f9179a381a749908edb6", kill_on_drop: false }`
[INFO] [stdout] f49433ec7e9c46058eb3038848b62cb00a3d80b11a35f9179a381a749908edb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a475104d56d7746d1552fe48d9a7c23b4cd60e1de4faf4c6f83436625385e4f4
[INFO] running `Command { std: "docker" "start" "-a" "a475104d56d7746d1552fe48d9a7c23b4cd60e1de4faf4c6f83436625385e4f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking hashbag v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking csx3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `load_file_mst` is never used
[INFO] [stdout]   --> src/greedy/mod.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Graph {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn load_file_mst(&mut self, filename: &str) -> &mut Graph {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min_spanning_tree` is never used
[INFO] [stdout]  --> src/greedy/mst.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MinimumSpanningTree {
[INFO] [stdout]   |           ------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn min_spanning_tree(&self, _:Self::Algo) -> Self::Output;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClusterSet` is never constructed
[INFO] [stdout]  --> src/greedy/cluster.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ClusterSet {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `spacing` and `crossing_edges` are never used
[INFO] [stdout]   --> src/greedy/cluster.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ClusterSet {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn spacing(&self) -> Edge {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn crossing_edges(&self) -> BinaryHeap<Edge>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Clustering` is never used
[INFO] [stdout]   --> src/greedy/cluster.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait Clustering {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WIS` is never constructed
[INFO] [stdout]  --> src/dp/wis.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct WIS<'a> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/dp/wis.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl WIS<'_> {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     fn recursive(set: &[usize]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn weight(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn elements(&self) -> impl Iterator<Item=usize> + '_ {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn positions_in_set(&self) -> Vec<bool> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn to_binary_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn parse_graph(filename: &str) -> Vec<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WISElemIter` is never constructed
[INFO] [stdout]   --> src/dp/wis.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct WISElemIter<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Object` is never constructed
[INFO] [stdout]  --> src/dp/knap.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Object {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KnapSack` is never constructed
[INFO] [stdout]   --> src/dp/knap.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct KnapSack<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `positions`, `elements`, `max_value`, and `parse` are never used
[INFO] [stdout]   --> src/dp/knap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl KnapSack<'_> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn positions(&self) -> impl Iterator<Item=bool> + '_ {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn elements(&self) -> impl Iterator<Item=&'_ Object> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn max_value(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn parse(input: &str) -> Result<(usize,Vec<Object>),ParseIntError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coins` is never constructed
[INFO] [stdout]   --> src/dp/coin.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Coins {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `combinations`, `iterative`, `get_coins_num`, `coins`, and `recursive` are never used
[INFO] [stdout]    --> src/dp/coin.rs:68:8
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl Coins {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 68  |     fn combinations(&mut self, sum: usize, coins:&[usize]) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     fn iterative(sum: usize, coins:&[usize]) -> Coins {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn get_coins_num(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn coins(&self) -> impl Iterator<Item=usize> + '_ {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn recursive(&mut self, sum: usize, coins:&[usize]) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CoinsIter` is never constructed
[INFO] [stdout]    --> src/dp/coin.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | struct CoinsIter<'a > {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/dp/coin.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl CoinsIter<'_> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SquareSum` is never constructed
[INFO] [stdout]   --> src/dp/path.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SquareSum<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `path`, and `sum` are never used
[INFO] [stdout]   --> src/dp/path.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl SquareSum<'_> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn path(&self) -> impl Iterator<Item=usize> + '_ {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn sum(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SquareSumIter` is never constructed
[INFO] [stdout]   --> src/dp/path.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct SquareSumIter<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dp/path.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<'a> SquareSumIter<'a> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 55 |     fn new(ss:&'a SquareSum<'a>) -> SquareSumIter<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trees/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<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] 45 |     pub fn iter(&self) -> TreeIter<'_, 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/linkedlists/mod.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<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] 100 |     pub fn iter(&self) -> ListIterByRef<'_, 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/merge/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<T>);
[INFO] [stdout]    |                        ^^              ^^                    --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                        |               |
[INFO] [stdout]    |                        |               these lifetimes flow to the output
[INFO] [stdout]    |                        these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<'a, 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/merge/mod.rs:109:24
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<T>) {
[INFO] [stdout]     |                        ^^               ^^                     --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                        |                |
[INFO] [stdout]     |                        |                these lifetimes flow to the output
[INFO] [stdout]     |                        these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<'a, 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/graphs/min_cut.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter {
[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] 131 |     pub fn iter(&self) -> SuperNodeIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dp/wis.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS {
[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] 24 |     fn new(set: &[usize]) -> WIS<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dp/knap.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[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] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/dp/coin.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter {
[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] 141 |     fn new(coins:&Coins) -> CoinsIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dp/path.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[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] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_subsequence_v1` is never used
[INFO] [stdout]  --> src/bin/leet.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn is_subsequence_v1(s: &str, t: &str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_subsequence_v2` is never used
[INFO] [stdout]   --> src/bin/leet.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn is_subsequence_v2(s: &str, t: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_matching_subseq` is never used
[INFO] [stdout]   --> src/bin/leet.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn num_matching_subseq(s: &str, words: &[&str]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/trees/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<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] 45 |     pub fn iter(&self) -> TreeIter<'_, 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/linkedlists/mod.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<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] 100 |     pub fn iter(&self) -> ListIterByRef<'_, 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/merge/mod.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<T>);
[INFO] [stdout]    |                        ^^              ^^                    --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]    |                        |               |
[INFO] [stdout]    |                        |               these lifetimes flow to the output
[INFO] [stdout]    |                        these lifetimes flow to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<'a, 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/merge/mod.rs:109:24
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<T>) {
[INFO] [stdout]     |                        ^^               ^^                     --------------- the lifetime gets resolved as `'a`
[INFO] [stdout]     |                        |                |
[INFO] [stdout]     |                        |                these lifetimes flow to the output
[INFO] [stdout]     |                        these lifetimes flow to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<'a, 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/graphs/min_cut.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter {
[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] 131 |     pub fn iter(&self) -> SuperNodeIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dp/wis.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS {
[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] 24 |     fn new(set: &[usize]) -> WIS<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dp/knap.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[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] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/dp/coin.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter {
[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] 141 |     fn new(coins:&Coins) -> CoinsIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/dp/path.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[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] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "a475104d56d7746d1552fe48d9a7c23b4cd60e1de4faf4c6f83436625385e4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a475104d56d7746d1552fe48d9a7c23b4cd60e1de4faf4c6f83436625385e4f4", kill_on_drop: false }`
[INFO] [stdout] a475104d56d7746d1552fe48d9a7c23b4cd60e1de4faf4c6f83436625385e4f4
