[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] testing gvelim/CSX0003RUST against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgvelim%2FCSX0003RUST" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gvelim/CSX0003RUST on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded hashbag v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f791ca8ba07e7e824d65a7f94eecc9bed28600bba5f52b352b48ef583ca76013
[INFO] running `Command { std: "docker" "start" "-a" "f791ca8ba07e7e824d65a7f94eecc9bed28600bba5f52b352b48ef583ca76013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f791ca8ba07e7e824d65a7f94eecc9bed28600bba5f52b352b48ef583ca76013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f791ca8ba07e7e824d65a7f94eecc9bed28600bba5f52b352b48ef583ca76013", kill_on_drop: false }`
[INFO] [stdout] f791ca8ba07e7e824d65a7f94eecc9bed28600bba5f52b352b48ef583ca76013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0620a7d348af1a6c829c59b107f9a27de5a56170bba005b1ea10730b55e4ba44
[INFO] running `Command { std: "docker" "start" "-a" "0620a7d348af1a6c829c59b107f9a27de5a56170bba005b1ea10730b55e4ba44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling hashbag v0.1.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MinimumSpanningTree` is never used
[INFO] [stdout]  --> src/greedy/mst.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MinimumSpanningTree {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/trees/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linkedlists/mod.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/merge/mod.rs:84:62
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<T>);
[INFO] [stdout]    |                        --              --                    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |               |
[INFO] [stdout]    |                        |               the lifetime is named here
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/merge/mod.rs:109:64
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<T>) {
[INFO] [stdout]     |                        --               --                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                |
[INFO] [stdout]     |                        |                the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphs/min_cut.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/wis.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS {
[INFO] [stdout]    |                 ^^^^^^^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/knap.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[INFO] [stdout]    |                  ^^^^^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dp/coin.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter {
[INFO] [stdout]     |                  ^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/path.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "0620a7d348af1a6c829c59b107f9a27de5a56170bba005b1ea10730b55e4ba44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0620a7d348af1a6c829c59b107f9a27de5a56170bba005b1ea10730b55e4ba44", kill_on_drop: false }`
[INFO] [stdout] 0620a7d348af1a6c829c59b107f9a27de5a56170bba005b1ea10730b55e4ba44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a1914597161849776a7ed58ea6f5c36655db09440ccf0916bebcb8de64b506
[INFO] running `Command { std: "docker" "start" "-a" "b4a1914597161849776a7ed58ea6f5c36655db09440ccf0916bebcb8de64b506", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MinimumSpanningTree` is never used
[INFO] [stdout]  --> src/greedy/mst.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait MinimumSpanningTree {
[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] [stderr]    Compiling csx3 v0.1.0 (/opt/rustwide/workdir)
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/trees/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linkedlists/mod.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/merge/mod.rs:84:62
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<T>);
[INFO] [stdout]    |                        --              --                    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |               |
[INFO] [stdout]    |                        |               the lifetime is named here
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/merge/mod.rs:109:64
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<T>) {
[INFO] [stdout]     |                        --               --                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                |
[INFO] [stdout]     |                        |                the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphs/min_cut.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/wis.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS {
[INFO] [stdout]    |                 ^^^^^^^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/knap.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[INFO] [stdout]    |                  ^^^^^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dp/coin.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter {
[INFO] [stdout]     |                  ^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/path.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/trees/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn iter(&self) -> TreeIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linkedlists/mod.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn iter(&self) -> ListIterByRef<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/merge/mod.rs:84:62
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<T>);
[INFO] [stdout]    |                        --              --                    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |               |
[INFO] [stdout]    |                        |               the lifetime is named here
[INFO] [stdout]    |                        the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/merge/mod.rs:109:64
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<T>) {
[INFO] [stdout]     |                        --               --                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                |
[INFO] [stdout]     |                        |                the lifetime is named here
[INFO] [stdout]     |                        the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/graphs/min_cut.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn iter(&self) -> SuperNodeIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/wis.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS {
[INFO] [stdout]    |                 ^^^^^^^^     ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(set: &[usize]) -> WIS<'_> {
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/knap.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[INFO] [stdout]    |                  ^^^^^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/dp/coin.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter {
[INFO] [stdout]     |                  ^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn new(coins:&Coins) -> CoinsIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/dp/path.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "b4a1914597161849776a7ed58ea6f5c36655db09440ccf0916bebcb8de64b506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a1914597161849776a7ed58ea6f5c36655db09440ccf0916bebcb8de64b506", kill_on_drop: false }`
[INFO] [stdout] b4a1914597161849776a7ed58ea6f5c36655db09440ccf0916bebcb8de64b506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f76d3438bdab329583556c0a3436f8358922c82dcffc4630a7b72ec591cbf671
[INFO] running `Command { std: "docker" "start" "-a" "f76d3438bdab329583556c0a3436f8358922c82dcffc4630a7b72ec591cbf671", kill_on_drop: false }`
[INFO] [stderr] warning: method `load_file_mst` is never used
[INFO] [stderr]   --> src/greedy/mod.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl Graph {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn load_file_mst(&mut self, filename: &str) -> &mut Graph {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MinimumSpanningTree` is never used
[INFO] [stderr]  --> src/greedy/mst.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait MinimumSpanningTree {
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ClusterSet` is never constructed
[INFO] [stderr]  --> src/greedy/cluster.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct ClusterSet {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `spacing` and `crossing_edges` are never used
[INFO] [stderr]   --> src/greedy/cluster.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl ClusterSet {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn spacing(&self) -> Edge {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn crossing_edges(&self) -> BinaryHeap<Edge>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Clustering` is never used
[INFO] [stderr]   --> src/greedy/cluster.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | trait Clustering {
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WIS` is never constructed
[INFO] [stderr]  --> src/dp/wis.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct WIS<'a> {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/dp/wis.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl WIS<'_> {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 10 |     fn recursive(set: &[usize]) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn new(set: &[usize]) -> WIS {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |     fn weight(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn elements(&self) -> impl Iterator<Item=usize> + '_ {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn positions_in_set(&self) -> Vec<bool> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     fn to_binary_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     fn parse_graph(filename: &str) -> Vec<usize> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WISElemIter` is never constructed
[INFO] [stderr]   --> src/dp/wis.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 87 | struct WISElemIter<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Object` is never constructed
[INFO] [stderr]  --> src/dp/knap.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Object {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `KnapSack` is never constructed
[INFO] [stderr]   --> src/dp/knap.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct KnapSack<'a> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `positions`, `elements`, `max_value`, and `parse` are never used
[INFO] [stderr]   --> src/dp/knap.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl KnapSack<'_> {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn positions(&self) -> impl Iterator<Item=bool> + '_ {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     fn elements(&self) -> impl Iterator<Item=&'_ Object> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     fn max_value(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn parse(input: &str) -> Result<(usize,Vec<Object>),ParseIntError> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Coins` is never constructed
[INFO] [stderr]   --> src/dp/coin.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | struct Coins {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `combinations`, `iterative`, `get_coins_num`, `coins`, and `recursive` are never used
[INFO] [stderr]    --> src/dp/coin.rs:68:8
[INFO] [stderr]     |
[INFO] [stderr]  67 | impl Coins {
[INFO] [stderr]     | ---------- associated items in this implementation
[INFO] [stderr]  68 |     fn combinations(&mut self, sum: usize, coins:&[usize]) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  86 |     fn iterative(sum: usize, coins:&[usize]) -> Coins {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     fn get_coins_num(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn coins(&self) -> impl Iterator<Item=usize> + '_ {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 113 |     fn recursive(&mut self, sum: usize, coins:&[usize]) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CoinsIter` is never constructed
[INFO] [stderr]    --> src/dp/coin.rs:135:8
[INFO] [stderr]     |
[INFO] [stderr] 135 | struct CoinsIter<'a > {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/dp/coin.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 140 | impl CoinsIter<'_> {
[INFO] [stderr]     | ------------------ associated function in this implementation
[INFO] [stderr] 141 |     fn new(coins:&Coins) -> CoinsIter {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SquareSum` is never constructed
[INFO] [stderr]   --> src/dp/path.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct SquareSum<'a> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `path`, and `sum` are never used
[INFO] [stderr]   --> src/dp/path.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl SquareSum<'_> {
[INFO] [stderr]    | ------------------ associated items in this implementation
[INFO] [stderr] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     fn path(&self) -> impl Iterator<Item=usize> + '_ {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn sum(&self) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SquareSumIter` is never constructed
[INFO] [stderr]   --> src/dp/path.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct SquareSumIter<'a> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/dp/path.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl<'a> SquareSumIter<'a> {
[INFO] [stderr]    | -------------------------- associated function in this implementation
[INFO] [stderr] 55 |     fn new(ss:&'a SquareSum<'a>) -> SquareSumIter<'a> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/trees/mod.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> TreeIter<T> {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> TreeIter<'_, T> {
[INFO] [stderr]    |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linkedlists/mod.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn iter(&self) -> ListIterByRef<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn iter(&self) -> ListIterByRef<'_, T> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/merge/mod.rs:84:62
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<T>);
[INFO] [stderr]    |                        --              --                    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |               |
[INFO] [stderr]    |                        |               the lifetime is named here
[INFO] [stderr]    |                        the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn merge_lazy<'a>(&'a mut self, s:&'a mut[T]) -> (usize, VirtualSlice<'a, T>);
[INFO] [stderr]    |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/merge/mod.rs:109:64
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<T>) {
[INFO] [stderr]     |                        --               --                     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |                |
[INFO] [stderr]     |                        |                the lifetime is named here
[INFO] [stderr]     |                        the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn merge_lazy<'a>(&'a mut self, s: &'a mut [T]) -> (usize, VirtualSlice<'a, T>) {
[INFO] [stderr]     |                                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/graphs/min_cut.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn iter(&self) -> SuperNodeIter {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn iter(&self) -> SuperNodeIter<'_> {
[INFO] [stderr]     |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/dp/wis.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(set: &[usize]) -> WIS {
[INFO] [stderr]    |                 ^^^^^^^^     ^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(set: &[usize]) -> WIS<'_> {
[INFO] [stderr]    |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/dp/knap.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack {
[INFO] [stderr]    |                  ^^^^^^^^^                       ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn new(list: &[Object], capacity: usize ) -> KnapSack<'_> {
[INFO] [stderr]    |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/dp/coin.rs:141:18
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn new(coins:&Coins) -> CoinsIter {
[INFO] [stderr]     |                  ^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn new(coins:&Coins) -> CoinsIter<'_> {
[INFO] [stderr]     |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/dp/path.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn new(path: &[Vec<usize>]) -> SquareSum<'_> {
[INFO] [stderr]    |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `csx3` (lib) generated 28 warnings (run `cargo fix --lib -p csx3` to apply 9 suggestions)
[INFO] [stderr] warning: `csx3` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/csx3-5879fc15936f2859)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test dp::knap::test::test_parse ... ok
[INFO] [stdout] test dp::coin::test::test_combinations ... ok
[INFO] [stdout] test dp::path::test::test_max_sum_of_squares ... ok
[INFO] [stdout] test dp::wis::test::test_parse ... ok
[INFO] [stdout] test dp::wis::test::test_wis ... ok
[INFO] [stdout] test dp::coin::test::test_coins ... ok
[INFO] [stdout] test graphs::path_search::test::test_path_search_small_graph ... ok
[INFO] [stdout] test dp::wis::test::test_recursive ... ok
[INFO] [stdout] test hash_heap::test::test_2_sum ... ok
[INFO] [stdout] test hash_heap::test::test_2_sum_all ... ok
[INFO] [stdout] test greedy::test::test_file_load_edge_by_cost ... ok
[INFO] [stdout] test linkedlists::tests::test_iter ... ok
[INFO] [stdout] test graphs::scc::test::test_topological_sort ... ok
[INFO] [stdout] test linkedlists::tests::test_into_iter ... ok
[INFO] [stdout] test linkedlists::tests::test_from_iter ... ok
[INFO] [stdout] test linkedlists::tests::test_pop_first ... ok
[INFO] [stdout] test linkedlists::tests::test_push_first ... ok
[INFO] [stdout] test linkedlists::tests::test_push_last ... ok
[INFO] [stdout] test greedy::mst::test::test_mst_kruska ... ok
[INFO] [stdout] test merge::test::test_merge ... ok
[INFO] [stdout] test linkedlists::tests::test_pop_push_mixed ... ok
[INFO] [stdout] test merge::test::test_merge_mut_adjacent_fast ... ok
[INFO] [stdout] test merge::test::test_merge_shallow ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_index_adjacent ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_iter_mut_adjacent ... ok
[INFO] [stdout] test merge::test::test_merge_mut_adjacent ... ok
[INFO] [stdout] test graphs::path_search::test::test_path_shortest_small_graph ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_new_iter_swap ... ok
[INFO] [stdout] test dp::knap::test::test_knapsack ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_swap_shallow ... ok
[INFO] [stdout] test merge::test::test_merge_mut ... ok
[INFO] [stdout] test select::test::test_find_median ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_merge_multiple ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_merge ... ok
[INFO] [stdout] test sort::count::test::test_count_sort ... ok
[INFO] [stdout] test sort::merge::test::test_merge_sort_mut_adjacent ... ok
[INFO] [stdout] test greedy::mst::test::test_mst_prim ... ok
[INFO] [stdout] test sort::quick::test::test_partition_at_index ... ok
[INFO] [stdout] test select::test::test_deterministic_selection ... ok
[INFO] [stdout] test sort::merge::test::test_merge_sort_mut ... ok
[INFO] [stdout] test sort::quick::test::test_quick_sort ... ok
[INFO] [stdout] test trees::test::test_add_iter ... ok
[INFO] [stdout] test sort::test::test_partition_at_index ... ok
[INFO] [stdout] test select::test::test_random_selection ... ok
[INFO] [stdout] test graphs::min_cut::test::test_min_cut ... ok
[INFO] [stdout] test merge::test::test_merge_mut_panic - should panic ... ok
[INFO] [stdout] test merge::vs::test::test_virtual_slice_adjacent_panic - should panic ... ok
[INFO] [stdout] test graphs::path_search::test::test_path_search_large_graph ... ok
[INFO] [stdout] test graphs::path_search::test::test_path_shortest_large_graph ... ok
[INFO] [stdout] test sort::count::test::test_countsort_head_to_head ... ok
[INFO] [stdout] test sort::merge::test::test_mergesort_head_to_head ... ok
[INFO] [stdout] test graphs::scc::test::test_scc_small ... ok
[INFO] [stdout] test hash_heap::test::test_2_sum_file ... ok
[INFO] [stdout] test greedy::cluster::test::test_clustering ... ok
[INFO] [stdout] test graphs::min_cut::test::test_min_cut_txt_graph ... ok
[INFO] [stdout] test hash_heap::test::test_3_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 15.93s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/leet.rs (/opt/rustwide/target/debug/deps/leet-384240f743c6f90b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_is_subsequence ... ok
[INFO] [stdout] test test::test_num_matching_subseq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-17bcadad88ce0497)
[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] [stderr]    Doc-tests csx3
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/sort/count.rs - sort::count::CountSort (line 6) ... ok
[INFO] [stdout] test src/merge/mod.rs - merge::[T]::merge_mut (line 146) ... ok
[INFO] [stdout] test src/sort/merge.rs - sort::merge::[T]::mergesort_mut (line 21) ... ok
[INFO] [stdout] test src/merge/mod.rs - merge::[T]::merge_mut_adjacent (line 115) ... ok
[INFO] [stdout] test src/sort/quick.rs - sort::quick::[T]::quick_sort (line 13) ... ok
[INFO] [stdout] test src/select/mod.rs - select::[T]::r_selection (line 22) ... ok
[INFO] [stdout] test src/merge/mod.rs - merge::merge_mut_fast (line 166) ... ok
[INFO] [stdout] test src/merge/vs.rs - merge::vs::VirtualSlice (line 7) ... ok
[INFO] [stdout] test src/merge/vs.rs - merge::vs::VirtualSlice<'a,T>::_merge (line 132) ... ok
[INFO] [stdout] test src/lib.rs - random_sequence (line 25) ... ok
[INFO] [stdout] test src/merge/vs.rs - merge::vs::VirtualSlice<'a,T>::eq (line 406) ... ok
[INFO] [stdout] test src/sort/mod.rs - sort::[T]::partition_at_idx (line 15) ... ok
[INFO] [stdout] test src/merge/vs.rs - merge::vs::VirtualSlice<'a,T>::partial_cmp (line 389) ... ok
[INFO] [stdout] test src/merge/mod.rs - merge::MergeIterator (line 11) ... ok
[INFO] [stdout] test src/sort/merge.rs - sort::merge::[T]::mergesort (line 69) ... ok
[INFO] [stdout] test src/merge/mod.rs - merge::[T]::merge_lazy (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f76d3438bdab329583556c0a3436f8358922c82dcffc4630a7b72ec591cbf671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76d3438bdab329583556c0a3436f8358922c82dcffc4630a7b72ec591cbf671", kill_on_drop: false }`
[INFO] [stdout] f76d3438bdab329583556c0a3436f8358922c82dcffc4630a7b72ec591cbf671
